"""LocalDispatchModel config model: parsing, validation, meterable-set property.

Tests the LocalDispatchModel class, the eligible_categories validator on
RouterConfig, and the local_energy_dispatch_models cached property.
"""

from __future__ import annotations

import copy
import sqlite3
from datetime import datetime, timezone
from pathlib import Path

import pytest
import yaml

from config import LocalDispatchModel, RouterConfig

ROOT = Path(__file__).resolve().parent.parent


@pytest.fixture
def raw() -> dict:
    with open(ROOT / "config" / "config.yaml") as fh:
        return yaml.safe_load(fh)


# --- valid entry parses -----------------------------------------------------


def test_valid_entry_parses():
    entry = LocalDispatchModel(
        model_id="test-model",
        base_url="http://localhost:11434/v1",
        context_window=16384,
        tier=1,
        eligible_categories=["coding_general"],
    )
    assert entry.model_id == "test-model"
    assert entry.base_url == "http://localhost:11434/v1"
    assert entry.timeout_seconds == 120.0
    assert entry.context_window == 16384
    assert entry.max_output_tokens == 2048
    assert entry.tier == 1
    assert entry.api_key_env is None


def test_valid_entry_with_all_fields():
    entry = LocalDispatchModel(
        model_id="test-model",
        base_url="http://localhost:11434/v1",
        api_key_env="OLLAMA_API_KEY",
        timeout_seconds=60.0,
        context_window=32768,
        max_output_tokens=4096,
        tier=2,
        eligible_categories=["coding_general", "debugging", "summarization"],
    )
    assert entry.api_key_env == "OLLAMA_API_KEY"
    assert entry.timeout_seconds == 60.0
    assert entry.context_window == 32768
    assert entry.max_output_tokens == 4096
    assert entry.tier == 2
    assert entry.eligible_categories == [
        "coding_general",
        "debugging",
        "summarization",
    ]


# --- valid entry parses in RouterConfig via full config load -----------------


def test_valid_local_dispatch_entry_loads_in_full_config(raw):
    cfg = copy.deepcopy(raw)
    cfg["local_dispatch_models"] = [
        {
            "model_id": "qwen2.5-coder-router:14b",
            "base_url": "http://localhost:11434/v1",
            "context_window": 16384,
            "tier": 1,
            "eligible_categories": ["coding_general"],
        }
    ]
    loaded = RouterConfig(**cfg)
    assert len(loaded.local_dispatch_models) == 1
    assert loaded.local_dispatch_models[0].model_id == "qwen2.5-coder-router:14b"


# --- unknown category raises ValueError -------------------------------------


def test_unknown_category_in_eligible_categories_raises(raw):
    cfg = copy.deepcopy(raw)
    cfg["local_dispatch_models"] = [
        {
            "model_id": "test-model",
            "base_url": "http://localhost:11434/v1",
            "context_window": 16384,
            "tier": 1,
            "eligible_categories": ["not_a_real_category"],
        }
    ]
    with pytest.raises(ValueError, match="not_a_real_category"):
        RouterConfig(**cfg)


def test_unknown_category_message_mentions_proficiency_categories(raw):
    cfg = copy.deepcopy(raw)
    cfg["local_dispatch_models"] = [
        {
            "model_id": "test-model",
            "context_window": 16384,
            "tier": 1,
            "eligible_categories": ["fake_category"],
        }
    ]
    with pytest.raises(ValueError, match="proficiency.categories"):
        RouterConfig(**cfg)


# --- duplicate model_id raises ----------------------------------------------


def test_duplicate_model_id_raises(raw):
    cfg = copy.deepcopy(raw)
    cfg["local_dispatch_models"] = [
        {
            "model_id": "dup-model",
            "context_window": 16384,
            "tier": 1,
            "eligible_categories": ["coding_general"],
        },
        {
            "model_id": "dup-model",
            "context_window": 32768,
            "tier": 2,
            "eligible_categories": ["debugging"],
        },
    ]
    with pytest.raises(ValueError, match="duplicate model_id"):
        RouterConfig(**cfg)


# --- empty eligible_categories raises ---------------------------------------


def test_empty_eligible_categories_raises():
    with pytest.raises(ValueError, match="must contain at least one"):
        LocalDispatchModel(
            model_id="test-model",
            context_window=16384,
            tier=1,
            eligible_categories=[],
        )


# --- duplicate eligible_categories raises -----------------------------------


def test_duplicate_eligible_categories_raises():
    with pytest.raises(ValueError, match="duplicate"):
        LocalDispatchModel(
            model_id="test-model",
            context_window=16384,
            tier=1,
            eligible_categories=["coding_general", "coding_general"],
        )


# --- local_energy_dispatch_models when disabled -----------------------------


def test_local_energy_dispatch_models_empty_when_disabled(raw):
    cfg = copy.deepcopy(raw)
    cfg["local_energy"]["enabled"] = False
    loaded = RouterConfig(**cfg)
    assert loaded.local_energy_dispatch_models == frozenset()


def test_local_energy_dispatch_models_empty_when_disabled_with_entries(raw):
    cfg = copy.deepcopy(raw)
    cfg["local_energy"]["enabled"] = False
    cfg["local_dispatch_models"] = [
        {
            "model_id": "test-model",
            "base_url": "http://localhost:11434/v1",
            "context_window": 16384,
            "tier": 1,
            "eligible_categories": ["coding_general"],
        }
    ]
    loaded = RouterConfig(**cfg)
    assert loaded.local_energy_dispatch_models == frozenset()


# --- local_energy_dispatch_models when enabled with loopback ----------------


def test_local_energy_dispatch_models_contains_loopback_entry_when_enabled(raw):
    cfg = copy.deepcopy(raw)
    cfg["local_energy"]["enabled"] = True
    cfg["local_energy"]["tariff_usd_per_kwh"] = 8.0
    cfg["local_dispatch_models"] = [
        {
            "model_id": "local-model",
            "base_url": "http://localhost:11434/v1",
            "context_window": 16384,
            "tier": 1,
            "eligible_categories": ["coding_general"],
        }
    ]
    loaded = RouterConfig(**cfg)
    assert loaded.local_energy_dispatch_models == frozenset({"local-model"})


# --- local_energy_dispatch_models excludes non-loopback ---------------------


def test_local_energy_dispatch_models_excludes_non_loopback(raw):
    cfg = copy.deepcopy(raw)
    cfg["local_energy"]["enabled"] = True
    cfg["local_energy"]["tariff_usd_per_kwh"] = 8.0
    cfg["local_dispatch_models"] = [
        {
            "model_id": "vpn-model",
            "base_url": "http://192.168.1.100:11434/v1",
            "context_window": 16384,
            "tier": 1,
            "eligible_categories": ["coding_general"],
        }
    ]
    loaded = RouterConfig(**cfg)
    assert loaded.local_energy_dispatch_models == frozenset()


def test_local_energy_dispatch_models_mixed_includes_loopback_only(raw):
    cfg = copy.deepcopy(raw)
    cfg["local_energy"]["enabled"] = True
    cfg["local_energy"]["tariff_usd_per_kwh"] = 8.0
    cfg["local_dispatch_models"] = [
        {
            "model_id": "locals",
            "base_url": "http://localhost:11434/v1",
            "context_window": 16384,
            "tier": 1,
            "eligible_categories": ["coding_general"],
        },
        {
            "model_id": "vpn",
            "base_url": "http://10.0.0.5:8080/v1",
            "context_window": 32768,
            "tier": 2,
            "eligible_categories": ["debugging"],
        },
    ]
    loaded = RouterConfig(**cfg)
    assert loaded.local_energy_dispatch_models == frozenset({"locals"})


# --- timeout_seconds validation --------------------------------------------


def test_nonpositive_timeout_raises():
    with pytest.raises(ValueError, match="timeout_seconds"):
        LocalDispatchModel(
            model_id="test-model",
            context_window=16384,
            tier=1,
            timeout_seconds=0,
            eligible_categories=["coding_general"],
        )


def test_negative_timeout_raises():
    with pytest.raises(ValueError, match="timeout_seconds"):
        LocalDispatchModel(
            model_id="test-model",
            context_window=16384,
            tier=1,
            timeout_seconds=-5.0,
            eligible_categories=["coding_general"],
        )


# --- tier validation --------------------------------------------------------


def test_tier_below_one_raises():
    with pytest.raises(ValueError, match="greater_than_equal"):
        LocalDispatchModel(
            model_id="test-model",
            context_window=16384,
            tier=0,
            eligible_categories=["coding_general"],
        )


def test_tier_above_three_raises():
    with pytest.raises(ValueError, match="less_than_equal"):
        LocalDispatchModel(
            model_id="test-model",
            context_window=16384,
            tier=4,
            eligible_categories=["coding_general"],
        )


def test_tier_one_loads(raw):
    cfg = copy.deepcopy(raw)
    cfg["local_dispatch_models"] = [
        {
            "model_id": "model",
            "context_window": 16384,
            "tier": 1,
            "eligible_categories": ["coding_general"],
        }
    ]
    loaded = RouterConfig(**cfg)
    assert loaded.local_dispatch_models[0].tier == 1


def test_tier_three_loads(raw):
    cfg = copy.deepcopy(raw)
    cfg["local_dispatch_models"] = [
        {
            "model_id": "model",
            "context_window": 16384,
            "tier": 3,
            "eligible_categories": ["coding_general"],
        }
    ]
    loaded = RouterConfig(**cfg)
    assert loaded.local_dispatch_models[0].tier == 3


# --- default values --------------------------------------------------------


def test_base_url_defaults_to_localhost(raw):
    cfg = copy.deepcopy(raw)
    cfg["local_dispatch_models"] = [
        {
            "model_id": "model",
            "context_window": 16384,
            "tier": 1,
            "eligible_categories": ["coding_general"],
        }
    ]
    loaded = RouterConfig(**cfg)
    assert loaded.local_dispatch_models[0].base_url == "http://localhost:11434/v1"


# --- the shipped config still loads -----------------------------------------


def test_the_shipped_config_has_one_dispatch_model(raw):
    """Shipped config carries one local dispatch entry for the chosen local model.

    Pins the model id deliberately: swapping the local dispatch model is a
    decision that should require updating this test, not something that
    happens silently. See docs/local-models.md for the swap procedure.
    """
    loaded = RouterConfig(**raw)
    assert len(loaded.local_dispatch_models) == 1
    m = loaded.local_dispatch_models[0]
    assert m.model_id == "qwen2.5-coder-router:14b"
    assert m.base_url == "http://localhost:11434/v1"
    assert m.tier == 1
    assert m.eligible_categories == ["file_summarization", "diff_checking"]


@pytest.fixture
def db_no_column(tmp_path):
    """Temp DB created from a schema that lacks eligible_categories."""
    conn = sqlite3.connect(tmp_path / "test.db")
    conn.row_factory = sqlite3.Row
    schema = (ROOT / "config" / "schema.sql").read_text()
    lines = [l for l in schema.splitlines() if "eligible_categories" not in l]
    conn.executescript("\n".join(lines))
    yield conn
    conn.close()


@pytest.fixture
def db_with_column(tmp_path):
    """Temp DB from the full schema.sql (has eligible_categories)."""
    conn = sqlite3.connect(tmp_path / "test.db")
    conn.row_factory = sqlite3.Row
    conn.executescript((ROOT / "config" / "schema.sql").read_text())
    yield conn
    conn.close()


def test_ensure_models_eligible_categories_noop_on_existing_column(db_with_column):
    """Calling _ensure on an up-to-date DB is a silent no-op."""
    from poller import _ensure_models_eligible_categories

    _ensure_models_eligible_categories(db_with_column)
    cols = {r[1] for r in db_with_column.execute("PRAGMA table_info(models)")}
    assert "eligible_categories" in cols


def test_ensure_models_eligible_categories_migrates_old_schema(db_no_column):
    """Adding the column on an old DB works without error."""
    from poller import _ensure_models_eligible_categories

    assert "eligible_categories" not in {
        r[1]
        for r in db_no_column.execute("PRAGMA table_info(models)")
    }
    _ensure_models_eligible_categories(db_no_column)
    assert "eligible_categories" in {
        r[1]
        for r in db_no_column.execute("PRAGMA table_info(models)")
    }


@pytest.fixture
def db_and_cfg(tmp_path):
    """DB with column + a RouterConfig carrying one local dispatch entry."""
    conn = sqlite3.connect(tmp_path / "test.db")
    conn.row_factory = sqlite3.Row
    conn.executescript((ROOT / "config" / "schema.sql").read_text())

    raw = yaml.safe_load((ROOT / "config" / "config.yaml").read_text())
    raw["dispatch_providers"] = {}
    raw["dispatch_settings"] = {"default_provider": "ollama-local"}
    raw["dispatch_providers"]["ollama-local"] = {
        "base_url": "http://localhost:11434/v1",
        "api_key_env": "OLLAMA_API_KEY",
    }
    raw["local_dispatch_models"] = [
        {
            "model_id": "test-model",
            "context_window": 12288,
            "tier": 1,
            "eligible_categories": ["file_summarization", "diff_checking"],
        }
    ]
    cfg = RouterConfig(**raw)
    yield conn, cfg


def test_upsert_creates_row(db_and_cfg):
    """First upsert inserts a row with correct provider, tier, availability."""
    from poller import upsert_local_dispatch_models

    conn, cfg = db_and_cfg
    upsert_local_dispatch_models(conn, cfg)

    row = conn.execute(
        "SELECT * FROM models WHERE model_id='test-model' AND provider='ollama-local'"
    ).fetchone()
    assert row is not None
    assert row["provider"] == "ollama-local"
    assert row["tier"] == 1
    assert row["availability"] == "active"
    assert row["supports_tools"] == 0
    assert row["supports_json_mode"] == 0
    assert row["supports_vision"] == 0
    assert row["supports_reasoning"] == 0
    assert row["reasoning_default_enabled"] == 0


def test_upsert_eligible_categories_comma_joined(db_and_cfg):
    """eligible_categories becomes a comma-joined string."""
    from poller import upsert_local_dispatch_models

    conn, cfg = db_and_cfg
    upsert_local_dispatch_models(conn, cfg)

    row = conn.execute(
        "SELECT eligible_categories FROM models WHERE model_id='test-model'"
    ).fetchone()
    assert row[0] == "file_summarization,diff_checking"


def test_upsert_effective_context_window_math(db_and_cfg):
    """effective_context_window == int(12288 * 0.75) - 2048."""
    from poller import upsert_local_dispatch_models

    conn, cfg = db_and_cfg
    upsert_local_dispatch_models(conn, cfg)

    row = conn.execute(
        "SELECT effective_context_window FROM models WHERE model_id='test-model'"
    ).fetchone()
    assert row[0] == 7168


def test_upsert_cost_columns_null(db_and_cfg):
    """Fresh rows have NULL cost columns."""
    from poller import upsert_local_dispatch_models

    conn, cfg = db_and_cfg
    upsert_local_dispatch_models(conn, cfg)

    row = conn.execute(
        "SELECT cost_per_1m_prompt, cost_per_1m_completion, cost_per_1m_prompt_cached "
        "FROM models WHERE model_id='test-model'"
    ).fetchone()
    assert row[0] is None
    assert row[1] is None
    assert row[2] is None


def test_upsert_idempotent_twice(db_and_cfg):
    """Running upsert twice doesn't error and row still exists."""
    from poller import upsert_local_dispatch_models

    conn, cfg = db_and_cfg
    upsert_local_dispatch_models(conn, cfg)
    upsert_local_dispatch_models(conn, cfg)

    count = conn.execute(
        "SELECT COUNT(*) FROM models WHERE model_id='test-model' AND provider='ollama-local'"
    ).fetchone()[0]
    assert count == 1


def test_upsert_cost_column_survives_re_run(db_and_cfg):
    """Pre-set cost column survives a re-run (must NOT be in DO UPDATE SET)."""
    from poller import upsert_local_dispatch_models

    conn, cfg = db_and_cfg
    upsert_local_dispatch_models(conn, cfg)
    sentinel = 0.0123
    conn.execute(
        "UPDATE models SET cost_per_1m_prompt=? WHERE model_id='test-model'",
        (sentinel,),
    )
    conn.commit()

    upsert_local_dispatch_models(conn, cfg)

    row = conn.execute(
        "SELECT cost_per_1m_prompt FROM models WHERE model_id='test-model'"
    ).fetchone()
    assert row[0] == sentinel


def test_upsert_updates_changed_config_value(db_and_cfg):
    """Second upsert with a changed config value updates the row."""
    from poller import upsert_local_dispatch_models

    conn, cfg = db_and_cfg
    upsert_local_dispatch_models(conn, cfg)

    raw = yaml.safe_load((ROOT / "config" / "config.yaml").read_text())
    raw["dispatch_providers"] = {
        "ollama-local": {
            "base_url": "http://localhost:11434/v1",
            "api_key_env": "OLLAMA_API_KEY",
        }
    }
    raw["dispatch_settings"] = {"default_provider": "ollama-local"}
    raw["local_dispatch_models"] = [
        {
            "model_id": "test-model",
            "context_window": 12288,
            "tier": 2,
            "eligible_categories": [
                "file_summarization",
                "diff_checking",
                "coding_general",
            ],
        }
    ]
    cfg2 = RouterConfig(**raw)
    upsert_local_dispatch_models(conn, cfg2)

    row = conn.execute(
        "SELECT tier, eligible_categories FROM models WHERE model_id='test-model'"
    ).fetchone()
    assert row["tier"] == 2
    assert row["eligible_categories"] == "file_summarization,diff_checking,coding_general"


def test_cloud_row_untouched(db_and_cfg):
    """A cloud row (provider='neuralwatt', eligible_categories NULL) is not affected."""
    from poller import upsert_local_dispatch_models

    conn, cfg = db_and_cfg
    conn.execute(
        """
        INSERT INTO models (
            model_id, provider, context_window, effective_context_window,
            last_updated, access_level, eligible_categories
        ) VALUES (?, 'neuralwatt', 32768, 24576, ?, 'public', NULL)
        """,
        ("gpt-5.1", datetime.now(timezone.utc).isoformat()),
    )
    conn.commit()

    upsert_local_dispatch_models(conn, cfg)

    cloud = conn.execute(
        "SELECT eligible_categories FROM models WHERE provider='neuralwatt'"
    ).fetchone()
    assert cloud[0] is None


# --- _local_dispatch_config_for -------------------------------------------


def test_local_dispatch_config_for_found():
    """Linear scan finds an entry by model_id."""
    entry = LocalDispatchModel(
        model_id="qwen2.5-coder-router:14b",
        base_url="http://localhost:11434/v1",
        context_window=16384,
        tier=1,
        eligible_categories=["file_summarization", "diff_checking"],
    )
    result = LocalDispatchModel(
        model_id="other-model",
        base_url="http://localhost:8080/v1",
        context_window=8192,
        tier=2,
        eligible_categories=["debugging"],
    )
    entries = [entry, result]
    found = None
    for e in entries:
        if e.model_id == "qwen2.5-coder-router:14b":
            found = e
    assert found is entry


def test_local_dispatch_config_for_missing():
    """Linear scan returns None when model_id is not present."""
    entries = [
        LocalDispatchModel(
            model_id="model-a",
            context_window=8192,
            tier=1,
            eligible_categories=["coding_general"],
        ),
    ]
    found = None
    for e in entries:
        if e.model_id == "absent":
            found = e
    assert found is None


# --- _run_local_dispatch + _local_dispatch_response -------------------------

import json
from unittest import mock

import pytest

import dispatcher
from dispatcher import _local_dispatch_response, _run_local_dispatch

ROOT = Path(__file__).resolve().parent.parent


@pytest.fixture
def entry():
    return LocalDispatchModel(
        model_id="qwen2.5-coder-router:14b",
        base_url="http://localhost:11434/v1",
        context_window=16384,
        max_output_tokens=2048,
        tier=1,
        eligible_categories=["file_summarization"],
    )


@pytest.fixture
def messages():
    return [
        {"role": "user", "content": "Summarize this file"},
    ]


def _good_ollama_payload():
    return {
        "id": "cmpl-ollama-99",
        "object": "chat.completion",
        "created": 1700000000,
        "model": "qwen2.5-coder-router:14b",
        "choices": [
            {
                "index": 0,
                "message": {
                    "role": "assistant",
                    "content": "The file refactors the auth module.",
                },
                "finish_reason": "stop",
            }
        ],
        "usage": {"prompt_tokens": 30, "completion_tokens": 12},
    }


def _make_cfg(dispatch_models=None, local_energy_enabled=False):
    raw = yaml.safe_load((ROOT / "config" / "config.yaml").read_text())
    raw["dispatch_providers"] = {}
    raw["dispatch_settings"] = {"default_provider": "ollama-local"}
    if dispatch_models:
        raw["local_dispatch_models"] = dispatch_models
    raw["local_energy"]["enabled"] = bool(local_energy_enabled)
    if local_energy_enabled:
        raw["local_energy"]["tariff_usd_per_kwh"] = 8.0
    raw["dispatch_providers"]["ollama-local"] = {
        "base_url": "http://localhost:11434/v1",
        "api_key_env": "OLLAMA_API_KEY",
    }
    return RouterConfig(**raw)


# --- happy path: non-streaming 200 JSONResponse ----------------------------

def test_run_local_dispatch_happy_non_streaming(entry, messages, monkeypatch):
    """POST to Ollama returns 200, payload passthrough, request_id generated."""
    payload = _good_ollama_payload()
    call_capture = []

    def fake_post(url, headers=None, json=None, timeout=None):
        call_capture.append({"url": url, "headers": headers, "json": json})
        class R:
            status_code = 200
            def json(self):
                return payload
        return R()

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)

    # Patch metering off so we don't need local_energy context
    cfg = _make_cfg(
        dispatch_models=[
            {
                "model_id": entry.model_id,
                "base_url": entry.base_url,
                "context_window": entry.context_window,
                "max_output_tokens": entry.max_output_tokens,
                "tier": entry.tier,
                "eligible_categories": entry.eligible_categories,
            }
        ],
        local_energy_enabled=False,
    )
    monkeypatch.setattr(dispatcher, "cfg", cfg)

    # Seed the effective_context_window so PIN case guard passes
    result = _run_local_dispatch(
        entry, messages, category="file_summarization", body={}
    )

    assert "payload" in result
    assert result["payload"] is payload
    assert result["request_id"].startswith("local-dispatch-")
    assert len(call_capture) == 1
    assert call_capture[0]["json"]["stream"] is False
    assert call_capture[0]["json"]["model"] == entry.model_id
    assert "temperature" not in call_capture[0]["json"]
    assert "tools" not in call_capture[0]["json"]
    assert "tool_choice" not in call_capture[0]["json"]


def test_local_dispatch_response_non_streaming(entry):
    """Response shape: id=request_id, X-Router-Model, X-Router-Verification, right model id."""
    payload = _good_ollama_payload()
    rid = "local-dispatch-aabbcc"
    resp = _local_dispatch_response(payload, entry, streaming=False, request_id=rid)

    assert resp.status_code == 200
    body = resp.body.decode()
    data = json.loads(body)
    assert data["id"] == rid
    assert data["model"] == entry.model_id
    assert data["choices"][0]["message"]["content"] == "The file refactors the auth module."
    assert data["choices"][0]["finish_reason"] == "stop"
    assert data["usage"]["prompt_tokens"] == 30
    assert data["usage"]["completion_tokens"] == 12
    assert resp.headers["X-Router-Model"] == entry.model_id
    assert "X-Router-Verification" in resp.headers


@pytest.mark.anyio
async def test_local_dispatch_response_streaming(entry):
    """SSE emits content chunk, stop+usage chunk, [DONE]."""
    payload = _good_ollama_payload()
    rid = "local-dispatch-ff00ff"
    resp = _local_dispatch_response(payload, entry, streaming=True, request_id=rid)

    lines = []
    async for chunk in resp.body_iterator:
        lines.append(chunk)
    # content chunk
    chunk0 = json.loads(lines[0].decode().removeprefix("data: "))
    assert chunk0["id"] == rid
    assert chunk0["choices"][0]["delta"]["content"] == "The file refactors the auth module."
    assert chunk0["choices"][0]["finish_reason"] is None
    # stop+usage chunk
    chunk1 = json.loads(lines[1].decode().removeprefix("data: "))
    assert chunk1["model"] == entry.model_id
    assert chunk1["choices"][0]["finish_reason"] == "stop"
    assert chunk1["usage"]["prompt_tokens"] == 30
    assert chunk1["usage"]["completion_tokens"] == 12
    # [DONE]
    assert lines[2] == b"data: [DONE]\n\n"


def test_temperature_forwarded_when_sent(entry, messages, monkeypatch):
    """Temperature in body → forwarded to Ollama."""
    captured = {}

    def fake_post(url, headers=None, json=None, timeout=None):
        captured["json"] = json
        class R:
            status_code = 200
            def json(self):
                return _good_ollama_payload()
        return R()

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    cfg = _make_cfg(
        dispatch_models=[
            {
                "model_id": entry.model_id,
                "base_url": entry.base_url,
                "context_window": entry.context_window,
                "max_output_tokens": entry.max_output_tokens,
                "tier": entry.tier,
                "eligible_categories": ["coding_general"],
            }
        ],
        local_energy_enabled=False,
    )
    monkeypatch.setattr(dispatcher, "cfg", cfg)

    _run_local_dispatch(entry, messages, category=None, body={"temperature": 0.7})
    assert captured["json"]["temperature"] == 0.7


def test_temperature_not_sent_when_absent(entry, messages, monkeypatch):
    """No temperature in body → NOT forwarded."""
    captured = {}

    def fake_post(url, headers=None, json=None, timeout=None):
        captured["json"] = json
        class R:
            status_code = 200
            def json(self):
                return _good_ollama_payload()
        return R()

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    cfg = _make_cfg(
        dispatch_models=[
            {
                "model_id": entry.model_id,
                "base_url": entry.base_url,
                "context_window": entry.context_window,
                "max_output_tokens": entry.max_output_tokens,
                "tier": entry.tier,
                "eligible_categories": ["coding_general"],
            }
        ],
        local_energy_enabled=False,
    )
    monkeypatch.setattr(dispatcher, "cfg", cfg)

    _run_local_dispatch(entry, messages, category=None, body={})
    assert "temperature" not in captured.get("json", {})


# --- request body: max_tokens clamp ----------------------------------------

def test_max_tokens_clamped_to_entry_max(entry, messages, monkeypatch):
    """Client max_tokens > entry.max_output_tokens → clamped."""
    captured = {}

    def fake_post(url, headers=None, json=None, timeout=None):
        captured["json"] = json
        class R:
            status_code = 200
            def json(self):
                return _good_ollama_payload()
        return R()

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    cfg = _make_cfg(
        dispatch_models=[
            {
                "model_id": entry.model_id,
                "base_url": entry.base_url,
                "context_window": entry.context_window,
                "max_output_tokens": 1024,  # lower than client max
                "tier": entry.tier,
                "eligible_categories": ["coding_general"],
            }
        ],
        local_energy_enabled=False,
    )
    monkeypatch.setattr(dispatcher, "cfg", cfg)

    entry_with_small_max = LocalDispatchModel(
        model_id=entry.model_id,
        base_url=entry.base_url,
        context_window=entry.context_window,
        max_output_tokens=1024,
        tier=entry.tier,
        eligible_categories=entry.eligible_categories,
    )
    _run_local_dispatch(
        entry_with_small_max, messages, category=None, body={"max_tokens": 4096}
    )
    assert captured["json"]["max_tokens"] == 1024


def test_max_tokens_uses_entry_max_when_client_absent(entry, messages, monkeypatch):
    """No client max_tokens → uses entry.max_output_tokens."""
    captured = {}

    def fake_post(url, headers=None, json=None, timeout=None):
        captured["json"] = json
        class R:
            status_code = 200
            def json(self):
                return _good_ollama_payload()
        return R()

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    cfg = _make_cfg(
        dispatch_models=[
            {
                "model_id": entry.model_id,
                "base_url": entry.base_url,
                "context_window": entry.context_window,
                "max_output_tokens": 2048,
                "tier": entry.tier,
                "eligible_categories": ["coding_general"],
            }
        ],
        local_energy_enabled=False,
    )
    monkeypatch.setattr(dispatcher, "cfg", cfg)

    _run_local_dispatch(entry, messages, category=None, body={})
    assert captured["json"]["max_tokens"] == entry.max_output_tokens


# --- tools/tool_choice stripping ------------------------------------------

def test_tools_stripped_from_body(entry, messages, monkeypatch):
    """tools/tool_choice removed from request body."""
    captured = {}

    def fake_post(url, headers=None, json=None, timeout=None):
        captured["json"] = json
        class R:
            status_code = 200
            def json(self):
                return _good_ollama_payload()
        return R()

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    cfg = _make_cfg(
        dispatch_models=[
            {
                "model_id": entry.model_id,
                "base_url": entry.base_url,
                "context_window": entry.context_window,
                "max_output_tokens": entry.max_output_tokens,
                "tier": entry.tier,
                "eligible_categories": ["coding_general"],
            }
        ],
        local_energy_enabled=False,
    )
    monkeypatch.setattr(dispatcher, "cfg", cfg)

    body_with_tools = {
        "tools": [{"type": "function", "function": {"name": "echo"}}],
        "tool_choice": "auto",
    }
    _run_local_dispatch(entry, messages, category=None, body=body_with_tools)
    assert "tools" not in captured["json"]
    assert "tool_choice" not in captured["json"]


def test_tools_stripped_debug_log(entry, messages, monkeypatch):
    """logs.debug('local_dispatch_tools_stripped') called once per call."""
    logs_debug_calls = []

    def fake_post(url, headers=None, json=None, timeout=None):
        class R:
            status_code = 200
            def json(self):
                return _good_ollama_payload()
        return R()

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)

    with mock.patch.object(
        dispatcher.logs, "debug",
        side_effect=lambda name, **kw: logs_debug_calls.append((name, kw)),
    ):
        cfg = _make_cfg(
            dispatch_models=[
                {
                    "model_id": entry.model_id,
                    "base_url": entry.base_url,
                    "context_window": entry.context_window,
                    "max_output_tokens": entry.max_output_tokens,
                    "tier": entry.tier,
                    "eligible_categories": ["coding_general"],
                }
            ],
            local_energy_enabled=False,
        )
        monkeypatch.setattr(dispatcher, "cfg", cfg)
        _run_local_dispatch(entry, messages, category=None, body={})

    assert "local_dispatch_tools_stripped" in {name for name, _ in logs_debug_calls}


# --- failure paths: RequestException → HTTPException 502 -------------------

def test_request_exception_raises_502(entry, messages, monkeypatch):
    """requests.RequestException → HTTPException(502)."""
    def fake_post(url, headers=None, json=None, timeout=None):
        raise dispatcher.requests.RequestException("connection refused")

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    cfg = _make_cfg(
        dispatch_models=[
            {
                "model_id": entry.model_id,
                "base_url": entry.base_url,
                "context_window": entry.context_window,
                "max_output_tokens": entry.max_output_tokens,
                "tier": entry.tier,
                "eligible_categories": ["coding_general"],
            }
        ],
        local_energy_enabled=False,
    )
    monkeypatch.setattr(dispatcher, "cfg", cfg)

    from fastapi import HTTPException
    with pytest.raises(HTTPException) as exc:
        _run_local_dispatch(entry, messages, category=None, body={})
    assert exc.value.status_code == 502
    assert entry.model_id in str(exc.value.detail)


# --- failure paths: non-200 status → HTTPException 502 ---------------------

def test_non_200_status_raises_502(entry, messages, monkeypatch):
    """Ollama returns 500 → HTTPException(502)."""
    def fake_post(url, headers=None, json=None, timeout=None):
        class R:
            status_code = 500
        return R()

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    cfg = _make_cfg(
        dispatch_models=[
            {
                "model_id": entry.model_id,
                "base_url": entry.base_url,
                "context_window": entry.context_window,
                "max_output_tokens": entry.max_output_tokens,
                "tier": entry.tier,
                "eligible_categories": ["coding_general"],
            }
        ],
        local_energy_enabled=False,
    )
    monkeypatch.setattr(dispatcher, "cfg", cfg)

    from fastapi import HTTPException
    with pytest.raises(HTTPException) as exc:
        _run_local_dispatch(entry, messages, category=None, body={})
    assert exc.value.status_code == 502


# --- failure paths: unparseable JSON → HTTPException 502 -------------------

def test_unparseable_json_raises_502(entry, messages, monkeypatch):
    """Ollama returns non-JSON body → HTTPException(502)."""
    def fake_post(url, headers=None, json=None, timeout=None):
        class R:
            status_code = 200
            def json(self):
                raise ValueError("no JSON")
        return R()

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    cfg = _make_cfg(
        dispatch_models=[
            {
                "model_id": entry.model_id,
                "base_url": entry.base_url,
                "context_window": entry.context_window,
                "max_output_tokens": entry.max_output_tokens,
                "tier": entry.tier,
                "eligible_categories": ["coding_general"],
            }
        ],
        local_energy_enabled=False,
    )
    monkeypatch.setattr(dispatcher, "cfg", cfg)

    from fastapi import HTTPException
    with pytest.raises(HTTPException) as exc:
        _run_local_dispatch(entry, messages, category=None, body={})
    assert exc.value.status_code == 502


# --- failure paths: empty content → HTTPException 502 ----------------------

def test_empty_content_raises_502(entry, messages, monkeypatch):
    """Ollama returns choices with empty content → HTTPException(502)."""
    empty_payload = {
        "id": "cmpl-0",
        "choices": [{"message": {"role": "assistant", "content": ""}, "finish_reason": "stop"}],
    }

    def fake_post(url, headers=None, json=None, timeout=None):
        class R:
            status_code = 200
            def json(self):
                return empty_payload
        return R()

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    cfg = _make_cfg(
        dispatch_models=[
            {
                "model_id": entry.model_id,
                "base_url": entry.base_url,
                "context_window": entry.context_window,
                "max_output_tokens": entry.max_output_tokens,
                "tier": entry.tier,
                "eligible_categories": ["coding_general"],
            }
        ],
        local_energy_enabled=False,
    )
    monkeypatch.setattr(dispatcher, "cfg", cfg)

    from fastapi import HTTPException
    with pytest.raises(HTTPException) as exc:
        _run_local_dispatch(entry, messages, category=None, body={})
    assert exc.value.status_code == 502


# --- metering: local_energy.measure called and _log_local_energy captured ---

def test_metering_calls_measure_and_log_local_energy(entry, messages, monkeypatch):
    """When metered: measure context manager enters/exits, _log_local_energy called."""
    captured_log = []

    def fake_measure(**kw):
        class MCtx:
            def __enter__(s):
                return s
            def __exit__(s, *a):
                pass
            avg_power_watts = 500.0
            duration_seconds = 1.5
        return MCtx()

    def fake_log(model_id=None, call_type=None, measurement=None, **kw):
        captured_log.append({"model_id": model_id, "call_type": call_type})

    def fake_post(url, headers=None, json=None, timeout=None):
        class R:
            status_code = 200
            def json(self):
                return _good_ollama_payload()
        return R()

    monkeypatch.setattr(dispatcher.local_energy, "measure", fake_measure)
    monkeypatch.setattr(dispatcher, "_log_local_energy", fake_log)
    monkeypatch.setattr(dispatcher.requests, "post", fake_post)

    cfg = _make_cfg(
        dispatch_models=[
            {
                "model_id": entry.model_id,
                "base_url": "http://localhost:11434/v1",
                "context_window": entry.context_window,
                "max_output_tokens": entry.max_output_tokens,
                "tier": entry.tier,
                "eligible_categories": ["coding_general"],
            }
        ],
        local_energy_enabled=True,
    )
    monkeypatch.setattr(dispatcher, "cfg", cfg)
    assert entry.model_id in cfg.local_energy_dispatch_models

    _run_local_dispatch(entry, messages, category="file_summarization", body={})
    assert len(captured_log) == 1
    assert captured_log[0]["model_id"] == entry.model_id
    assert captured_log[0]["call_type"] == "file_summarization"


def test_metering_not_when_disabled(entry, messages, monkeypatch):
    """When local_energy.enabled is False: measure not called, _log_local_energy not called."""
    measured = []
    logged = []

    def fake_measure(**kw):
        measured.append(True)
        class MCtx:
            def __enter__(s): return s
            def __exit__(s, *a): pass
            avg_power_watts = None
            duration_seconds = 0.0
        return MCtx()

    def fake_log(**kw):
        logged.append(True)

    def fake_post(url, headers=None, json=None, timeout=None):
        class R:
            status_code = 200
            def json(self):
                return _good_ollama_payload()
        return R()

    monkeypatch.setattr(dispatcher.local_energy, "measure", fake_measure)
    monkeypatch.setattr(dispatcher, "_log_local_energy", fake_log)
    monkeypatch.setattr(dispatcher.requests, "post", fake_post)

    cfg = _make_cfg(
        dispatch_models=[
            {
                "model_id": entry.model_id,
                "base_url": entry.base_url,
                "context_window": entry.context_window,
                "max_output_tokens": entry.max_output_tokens,
                "tier": entry.tier,
                "eligible_categories": ["coding_general"],
            }
        ],
        local_energy_enabled=False,
    )
    monkeypatch.setattr(dispatcher, "cfg", cfg)

    _run_local_dispatch(entry, messages, category=None, body={})
    assert measured == []
    assert logged == []


# --- circuit breaker: record_success on happy path --------------------------

def test_circuit_breaker_record_success_on_happy(entry, messages, monkeypatch):
    """Success path calls record_success with (model_id, 'ollama-local')."""
    calls = []

    def fake_post(url, headers=None, json=None, timeout=None):
        class R:
            status_code = 200
            def json(self):
                return _good_ollama_payload()
        return R()

    def fake_record_failure(model_id, provider, *a, **kw):
        calls.append(("failure", model_id, provider))
    def fake_record_success(model_id, provider):
        calls.append(("success", model_id, provider))

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    monkeypatch.setattr(dispatcher.circuit_breaker, "record_failure", fake_record_failure)
    monkeypatch.setattr(dispatcher.circuit_breaker, "record_success", fake_record_success)

    cfg = _make_cfg(
        dispatch_models=[
            {
                "model_id": entry.model_id,
                "base_url": entry.base_url,
                "context_window": entry.context_window,
                "max_output_tokens": entry.max_output_tokens,
                "tier": entry.tier,
                "eligible_categories": ["coding_general"],
            }
        ],
        local_energy_enabled=False,
    )
    monkeypatch.setattr(dispatcher, "cfg", cfg)
    monkeypatch.setattr(cfg.circuit_breaker, "enabled", True)

    _run_local_dispatch(entry, messages, category="diff_checking", body={})
    assert calls == [("success", entry.model_id, "ollama-local")]


# --- circuit breaker: record_failure before each 502 path -------------------

def test_circuit_breaker_record_failure_on_request_exception(entry, messages, monkeypatch):
    """Connection error records circuit_breaker record_failure before raising 502."""
    calls = []

    def fake_post(url, headers=None, json=None, timeout=None):
        raise dispatcher.requests.RequestException("connection")

    def fake_record_failure(model_id, provider, *a, **kw):
        calls.append(("failure", model_id, provider))
    def fake_record_success(model_id, provider):
        calls.append(("success", model_id, provider))

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    monkeypatch.setattr(dispatcher.circuit_breaker, "record_failure", fake_record_failure)
    monkeypatch.setattr(dispatcher.circuit_breaker, "record_success", fake_record_success)

    cfg = _make_cfg(
        dispatch_models=[
            {
                "model_id": entry.model_id,
                "base_url": entry.base_url,
                "context_window": entry.context_window,
                "max_output_tokens": entry.max_output_tokens,
                "tier": entry.tier,
                "eligible_categories": ["coding_general"],
            }
        ],
        local_energy_enabled=False,
    )
    monkeypatch.setattr(dispatcher, "cfg", cfg)
    monkeypatch.setattr(cfg.circuit_breaker, "enabled", True)

    from fastapi import HTTPException
    with pytest.raises(HTTPException) as exc:
        _run_local_dispatch(entry, messages, category="diff_checking", body={})
    assert exc.value.status_code == 502
    assert calls == [("failure", entry.model_id, "ollama-local")]


def test_circuit_breaker_record_failure_on_500_status(entry, messages, monkeypatch):
    """Non-200 status records circuit_breaker record_failure before raising 502."""
    calls = []

    def fake_post(url, headers=None, json=None, timeout=None):
        class R:
            status_code = 500
        return R()

    def fake_record_failure(model_id, provider, *a, **kw):
        calls.append(("failure", model_id, provider))

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    monkeypatch.setattr(dispatcher.circuit_breaker, "record_failure", fake_record_failure)

    cfg = _make_cfg(
        dispatch_models=[
            {
                "model_id": entry.model_id,
                "base_url": entry.base_url,
                "context_window": entry.context_window,
                "max_output_tokens": entry.max_output_tokens,
                "tier": entry.tier,
                "eligible_categories": ["coding_general"],
            }
        ],
        local_energy_enabled=False,
    )
    monkeypatch.setattr(dispatcher, "cfg", cfg)
    monkeypatch.setattr(cfg.circuit_breaker, "enabled", True)

    from fastapi import HTTPException
    with pytest.raises(HTTPException) as exc:
        _run_local_dispatch(entry, messages, category=None, body={})
    assert exc.value.status_code == 502
    assert calls == [("failure", entry.model_id, "ollama-local")]


def test_circuit_breaker_record_failure_on_unparseable_json(entry, messages, monkeypatch):
    """Unparseable JSON records circuit_breaker record_failure before raising 502."""
    calls = []

    def fake_post(url, headers=None, json=None, timeout=None):
        class R:
            status_code = 200
            def json(self):
                raise ValueError("no json")
        return R()

    def fake_record_failure(model_id, provider, *a, **kw):
        calls.append(("failure", model_id, provider))

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    monkeypatch.setattr(dispatcher.circuit_breaker, "record_failure", fake_record_failure)

    cfg = _make_cfg(
        dispatch_models=[
            {
                "model_id": entry.model_id,
                "base_url": entry.base_url,
                "context_window": entry.context_window,
                "max_output_tokens": entry.max_output_tokens,
                "tier": entry.tier,
                "eligible_categories": ["coding_general"],
            }
        ],
        local_energy_enabled=False,
    )
    monkeypatch.setattr(dispatcher, "cfg", cfg)
    monkeypatch.setattr(cfg.circuit_breaker, "enabled", True)

    from fastapi import HTTPException
    with pytest.raises(HTTPException) as exc:
        _run_local_dispatch(entry, messages, category=None, body={})
    assert exc.value.status_code == 502
    assert calls == [("failure", entry.model_id, "ollama-local")]


def test_circuit_breaker_record_failure_on_empty_content(entry, messages, monkeypatch):
    """Empty content records circuit_breaker record_failure before raising 502."""
    calls = []

    def fake_post(url, headers=None, json=None, timeout=None):
        class R:
            status_code = 200
            def json(self):
                return {
                    "choices": [{"message": {"content": ""}, "finish_reason": "stop"}]
                }
        return R()

    def fake_record_failure(model_id, provider, *a, **kw):
        calls.append(("failure", model_id, provider))

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    monkeypatch.setattr(dispatcher.circuit_breaker, "record_failure", fake_record_failure)

    cfg = _make_cfg(
        dispatch_models=[
            {
                "model_id": entry.model_id,
                "base_url": entry.base_url,
                "context_window": entry.context_window,
                "max_output_tokens": entry.max_output_tokens,
                "tier": entry.tier,
                "eligible_categories": ["coding_general"],
            }
        ],
        local_energy_enabled=False,
    )
    monkeypatch.setattr(dispatcher, "cfg", cfg)
    monkeypatch.setattr(cfg.circuit_breaker, "enabled", True)

    from fastapi import HTTPException
    with pytest.raises(HTTPException) as exc:
        _run_local_dispatch(entry, messages, category=None, body={})
    assert exc.value.status_code == 502
    assert calls == [("failure", entry.model_id, "ollama-local")]


import sqlite3
from unittest import mock

import yaml
from starlette.testclient import TestClient

from dispatcher import Classification, app

SCHEMA = (ROOT / "config" / "schema.sql").read_text()

CLOUD_MODEL = "cloud-gpt"
LOCAL_MODEL = "qwen2.5-coder-router:14b"


@pytest.fixture
def router_local(tmp_path, monkeypatch):
    """TestClient fixture with a throwaway catalog and one local dispatch entry."""
    db_path = tmp_path / "test.db"
    conn = sqlite3.connect(db_path)
    conn.executescript(SCHEMA)
    conn.commit()
    conn.close()

    raw = yaml.safe_load((ROOT / "config" / "config.yaml").read_text())
    raw["dispatch_providers"] = {
        "neuralwatt": {"base_url": "https://api.neuralwatt.com/v1", "api_key_env": "NEURALWATT_API_KEY"},
    }
    raw["local_dispatch_models"] = [
        {
            "model_id": LOCAL_MODEL,
            "base_url": "http://localhost:11434/v1",
            "context_window": 16384,
            "max_output_tokens": 2048,
            "tier": 1,
            "eligible_categories": ["file_summarization", "diff_checking"],
        }
    ]
    cfg = RouterConfig(**raw)
    monkeypatch.setattr(dispatcher, "cfg", cfg)
    monkeypatch.setattr(dispatcher.cfg.database, "path", str(db_path))
    monkeypatch.setattr(dispatcher.cfg.verification, "local_llm_enabled", False)
    monkeypatch.setattr(dispatcher.cfg.local_vision, "enabled", False)
    monkeypatch.setattr(dispatcher.cfg.session_cache, "enabled", False)
    monkeypatch.setattr(dispatcher.cfg.exploration, "epsilon", 0.0)

    yield db_path


def _seed_local_row(db_path):
    conn = sqlite3.connect(db_path)
    conn.row_factory = sqlite3.Row
    conn.execute(
        """
        INSERT INTO models (
            model_id, provider, base_model_id, tier, context_window,
            effective_context_window, max_output_tokens,
            cost_per_1m_prompt, cost_per_1m_completion,
            supports_vision, supports_json_mode,
            latency_class, reasoning_mode, context_variant,
            access_level, availability, last_updated, eligible_categories
        ) VALUES (?, 'ollama-local', ?, 1, 16384, 7168, 2048, NULL, NULL,
                  0, 0, 'standard', 'default', 'full', 'public', 'active',
                  '2026-08-22T00:00:00+00:00', 'file_summarization,diff_checking')
        """,
        (LOCAL_MODEL, LOCAL_MODEL),
    )
    conn.commit()
    conn.close()


def _seed_cloud_row(db_path, model_id=CLOUD_MODEL, tier=2, cost_prompt=0.10, cost_completion=0.30):
    conn = sqlite3.connect(db_path)
    conn.execute(
        """
        INSERT INTO models (
            model_id, provider, base_model_id, tier, context_window,
            effective_context_window, max_output_tokens,
            cost_per_1m_prompt, cost_per_1m_completion,
            supports_vision, supports_json_mode,
            latency_class, reasoning_mode, context_variant,
            access_level, availability, last_updated
        ) VALUES (?, 'neuralwatt', ?, ?, 262128, 192500, 16384, ?, ?,
                  1, 1, 'standard', 'default', 'full', 'public', 'active',
                  '2026-08-22T00:00:00+00:00')
        """,
        (model_id, model_id, tier, cost_prompt, cost_completion),
    )
    conn.commit()
    conn.close()


def test_chat_auto_routes_to_local(router_local, monkeypatch):
    """model:auto selecting local row -> 200, X-Router-Model, decision row."""
    _seed_local_row(router_local)

    monkeypatch.setattr(
        dispatcher, "classify",
        lambda task, context: Classification(
            task_category="file_summarization", task_tier=1,
            required_context_tokens=100, confidence=0.9,
        ),
    )

    calls = []

    def fake_post(url, headers=None, json=None, timeout=None):
        calls.append({"url": url, "json": json, "stream": False})

        class R:
            status_code = 200

            def json(self):
                return {
                    "id": "local-1",
                    "choices": [
                        {
                            "message": {"content": "summary"},
                            "finish_reason": "stop",
                        }
                    ],
                    "usage": {"prompt_tokens": 5, "completion_tokens": 2},
                }

        return R()

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    monkeypatch.setenv("NEURALWATT_API_KEY", "x")

    with TestClient(app) as client:
        resp = client.post(
            "/v1/chat/completions",
            json={"model": "auto", "messages": [{"role": "user", "content": "Summarize"}]},
        )

    assert resp.status_code == 200
    data = resp.json()
    assert data["model"] == LOCAL_MODEL
    assert resp.headers["X-Router-Model"] == LOCAL_MODEL
    assert calls
    assert "localhost:11434" in calls[0]["url"]

    conn = sqlite3.connect(router_local)
    conn.row_factory = sqlite3.Row
    row = conn.execute(
        "SELECT selected_provider FROM route_decisions ORDER BY id DESC LIMIT 1"
    ).fetchone()
    conn.close()
    assert row["selected_provider"] == "ollama-local"


def test_chat_auto_does_not_select_local_for_unsupported_category(
    router_local, monkeypatch
):
    """Category outside local row's eligible list -> cloud row chosen."""
    _seed_local_row(router_local)
    _seed_cloud_row(router_local)

    monkeypatch.setattr(
        dispatcher, "classify",
        lambda task, context: Classification(
            task_category="coding_general", task_tier=1,
            required_context_tokens=100, confidence=0.9,
        ),
    )

    calls = []

    def fake_post(url, headers=None, json=None, timeout=None):
        calls.append({"url": url, "json": json})

        class R:
            status_code = 200

            def json(self):
                return {
                    "id": "cloud-1",
                    "model": CLOUD_MODEL,
                    "choices": [
                        {
                            "message": {"content": "hello"},
                            "finish_reason": "stop",
                        }
                    ],
                    "usage": {"prompt_tokens": 3, "completion_tokens": 1},
                }

        return R()

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    monkeypatch.setenv("NEURALWATT_API_KEY", "x")

    with TestClient(app) as client:
        resp = client.post(
            "/v1/chat/completions",
            json={"model": "auto", "messages": [{"role": "user", "content": "Hi"}]},
        )

    assert resp.status_code == 200
    assert resp.headers["X-Router-Model"] == CLOUD_MODEL
    assert calls[0]["json"]["model"] == CLOUD_MODEL


def test_chat_pinned_local_dispatches_locally(router_local, monkeypatch):
    """Pinned local model id -> POST to local URL, not NeuralWatt."""
    _seed_local_row(router_local)

    calls = []

    def fake_post(url, headers=None, json=None, timeout=None):
        calls.append({"url": url, "json": json})

        class R:
            status_code = 200

            def json(self):
                return {
                    "id": "local-2",
                    "choices": [
                        {
                            "message": {"content": "pinned answer"},
                            "finish_reason": "stop",
                        }
                    ],
                    "usage": {"prompt_tokens": 4, "completion_tokens": 3},
                }

        return R()

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    monkeypatch.setenv("NEURALWATT_API_KEY", "x")

    with TestClient(app) as client:
        resp = client.post(
            "/v1/chat/completions",
            json={
                "model": LOCAL_MODEL,
                "messages": [{"role": "user", "content": "Hi"}],
            },
        )

    assert resp.status_code == 200
    assert resp.json()["model"] == LOCAL_MODEL
    assert "localhost:11434" in calls[0]["url"]


def test_list_models_includes_local_row(router_local, monkeypatch):
    """GET /v1/models lists the local row with owned_by 'ollama-local'."""
    _seed_local_row(router_local)

    monkeypatch.setenv("NEURALWATT_API_KEY", "x")

    with TestClient(app) as client:
        resp = client.get("/v1/models")

    assert resp.status_code == 200
    data = resp.json()["data"]
    local_entries = [m for m in data if m["id"] == LOCAL_MODEL]
    assert len(local_entries) == 1
    assert local_entries[0]["owned_by"] == "ollama-local"


def test_dispatch_endpoint_local_with_telemetry(router_local, monkeypatch):
    _seed_local_row(router_local)

    def fake_post(url, headers=None, json=None, timeout=None):
        class R:
            status_code = 200

            def json(self):
                return {
                    "id": "local-3",
                    "choices": [
                        {
                            "message": {"content": "dispatched"},
                            "finish_reason": "stop",
                        }
                    ],
                    "usage": {"prompt_tokens": 7, "completion_tokens": 4},
                }

        return R()

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)

    calls = {"measure": 0, "log": []}

    class FakeMeasurement:
        def __enter__(s):
            return s

        def __exit__(s, *a):
            return None

        avg_power_watts = 250.0
        duration_seconds = 2.0

    def fake_measure(**kw):
        calls["measure"] += 1
        return FakeMeasurement()

    def fake_log(**kw):
        calls["log"].append(kw)

    monkeypatch.setattr(dispatcher.local_energy, "measure", fake_measure)
    monkeypatch.setattr(dispatcher, "_log_local_energy", fake_log)

    raw = yaml.safe_load((ROOT / "config" / "config.yaml").read_text())
    raw["dispatch_providers"] = {
        "ollama-local": {
            "base_url": "http://localhost:11434/v1",
            "api_key_env": "OLLAMA_API_KEY",
        }
    }
    raw["dispatch_settings"] = {"default_provider": "ollama-local"}
    raw["local_dispatch_models"] = [
        {
            "model_id": LOCAL_MODEL,
            "base_url": "http://localhost:11434/v1",
            "context_window": 16384,
            "max_output_tokens": 2048,
            "tier": 1,
            "eligible_categories": ["file_summarization"],
        }
    ]
    raw["local_energy"]["enabled"] = True
    raw["local_energy"]["tariff_usd_per_kwh"] = 8.0
    cfg = RouterConfig(**raw)
    monkeypatch.setattr(dispatcher, "cfg", cfg)
    monkeypatch.setattr(dispatcher.cfg.database, "path", str(router_local))

    with TestClient(app) as client:
        resp = client.post(
            "/dispatch",
            json={
                "task": "Summarize this",
                "task_category": "file_summarization",
                "task_tier": 1,
                "required_context_tokens": 50,
            },
        )

    assert resp.status_code == 200
    body = resp.json()
    assert body["content"] == "dispatched"
    assert body["prompt_tokens"] == 7
    assert body["completion_tokens"] == 4
    assert body["telemetry"]["avg_power_watts"] == 250.0
    assert body["telemetry"]["duration_seconds"] == 2.0
    assert body["telemetry"]["energy_kwh"] > 0
    assert calls["measure"] == 1, "local_energy.measure must be called once per dispatch"
    assert len(calls["log"]) == 1, "exactly one local_energy_observations row per dispatch"
    assert calls["log"][0]["model_id"] == LOCAL_MODEL
    assert calls["log"][0]["call_type"] == "file_summarization"


def test_chat_auto_tools_stripped_for_file_summarization(router_local, monkeypatch):
    """Tools-carrying auto request classified file_summarization -> no 'tools' key forwarded."""
    _seed_local_row(router_local)

    monkeypatch.setattr(
        dispatcher, "classify",
        lambda task, context: Classification(
            task_category="file_summarization", task_tier=1,
            required_context_tokens=100, confidence=0.9,
        ),
    )

    calls = []

    def fake_post(url, headers=None, json=None, timeout=None):
        calls.append({"url": url, "json": json})

        class R:
            status_code = 200

            def json(self):
                return {
                    "id": "local-tool-1",
                    "choices": [
                        {"message": {"content": "ok"}, "finish_reason": "stop"}
                    ],
                    "usage": {"prompt_tokens": 1, "completion_tokens": 1},
                }

        return R()

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    monkeypatch.setenv("NEURALWATT_API_KEY", "x")

    with TestClient(app) as client:
        resp = client.post(
            "/v1/chat/completions",
            json={
                "model": "auto",
                "messages": [{"role": "user", "content": "Summarize"}],
                "tools": [{"type": "function", "function": {"name": "x"}}],
            },
        )

    assert resp.status_code == 200
    assert "tools" not in calls[0]["json"]


def test_pinned_unknown_model_still_passthroughs_to_neuralwatt(
    router_local, monkeypatch
):
    """Pinning an unknown model keeps llm-router/ alias strip and hits cloud."""
    conn = sqlite3.connect(router_local)
    conn.execute(
        """
        INSERT INTO models (
            model_id, provider, base_model_id, tier, context_window,
            effective_context_window, max_output_tokens,
            cost_per_1m_prompt, cost_per_1m_completion,
            supports_vision, supports_json_mode,
            latency_class, reasoning_mode, context_variant,
            access_level, availability, last_updated
        ) VALUES ('known-cloud', 'neuralwatt', 'known-cloud', 2, 262128, 192500, 16384,
                  0.10, 0.30, 1, 1, 'standard', 'default', 'full', 'public', 'active',
                  '2026-08-22T00:00:00+00:00')
        """
    )
    conn.commit()
    conn.close()

    calls = []

    def fake_post(url, headers=None, json=None, timeout=None):
        calls.append({"url": url, "json": json})

        class R:
            status_code = 200

            def json(self):
                return {
                    "id": "cloud-2",
                    "model": "known-cloud",
                    "choices": [
                        {"message": {"content": "cloud"}, "finish_reason": "stop"}
                    ],
                    "usage": {"prompt_tokens": 2, "completion_tokens": 1},
                }

        return R()

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    monkeypatch.setenv("NEURALWATT_API_KEY", "x")

    with TestClient(app) as client:
        resp = client.post(
            "/v1/chat/completions",
            json={
                "model": "llm-router/known-cloud",
                "messages": [{"role": "user", "content": "Hi"}],
            },
        )

    assert resp.status_code == 200
    assert calls[0]["json"]["model"] == "known-cloud"


from eval_proficiency import _endpoint_for, add_self_eval


def _make_eval_cfg():
    raw = yaml.safe_load((ROOT / "config" / "config.yaml").read_text())
    raw["dispatch_providers"] = {
        "neuralwatt": {
            "base_url": "https://api.neuralwatt.com/v1",
            "api_key_env": "NEURALWATT_API_KEY",
        }
    }
    raw["local_dispatch_models"] = [
        {
            "model_id": LOCAL_MODEL,
            "base_url": "http://localhost:11434/v1",
            "context_window": 16384,
            "max_output_tokens": 2048,
            "tier": 1,
            "eligible_categories": ["file_summarization", "diff_checking"],
        }
    ]
    return RouterConfig(**raw)


def test_endpoint_for_ollama_local():
    """Local identity resolves to local base_url, no auth header, custom timeout."""
    identity = {
        "model_id": LOCAL_MODEL,
        "provider": "ollama-local",
    }
    cfg = _make_eval_cfg()
    base_url, api_key, kwargs = _endpoint_for(identity, cfg)
    assert base_url == "http://localhost:11434/v1"
    assert api_key is None
    assert kwargs == {"timeout": 120.0}


def test_endpoint_for_ollama_local_with_api_key_env(monkeypatch):
    """Local entry with api_key_env forwards the env value when set."""
    monkeypatch.setenv("OLLAMA_API_KEY", "local-secret")
    raw = yaml.safe_load((ROOT / "config" / "config.yaml").read_text())
    raw["dispatch_providers"] = {
        "ollama-local": {
            "base_url": "http://localhost:11434/v1",
            "api_key_env": "OLLAMA_API_KEY",
        }
    }
    raw["dispatch_settings"] = {"default_provider": "ollama-local"}
    raw["local_dispatch_models"] = [
        {
            "model_id": LOCAL_MODEL,
            "base_url": "http://localhost:11434/v1",
            "api_key_env": "OLLAMA_API_KEY",
            "timeout_seconds": 60.0,
            "context_window": 16384,
            "tier": 1,
            "eligible_categories": ["file_summarization"],
        }
    ]
    cfg = RouterConfig(**raw)
    base_url, api_key, kwargs = _endpoint_for(
        {"model_id": LOCAL_MODEL, "provider": "ollama-local"}, cfg
    )
    assert base_url == "http://localhost:11434/v1"
    assert api_key == "local-secret"
    assert kwargs == {"timeout": 60.0}


def test_endpoint_for_neuralwatt():
    """Cloud identity resolves to neuralwatt provider settings."""
    cfg = _make_eval_cfg()
    identity = {"model_id": "kimi-k3", "provider": "neuralwatt"}
    base_url, _api_key, kwargs = _endpoint_for(identity, cfg)
    assert base_url == cfg.dispatch_providers["neuralwatt"].base_url
    assert kwargs == {"timeout": 300.0}


def test_add_self_eval_ollama_local_writes_proficiency_row(tmp_path):
    """Writing self-eval for provider='ollama-local' keys by that provider."""
    db_path = tmp_path / "test.db"
    conn = sqlite3.connect(str(db_path))
    conn.executescript((ROOT / "config" / "schema.sql").read_text())
    conn.row_factory = sqlite3.Row
    conn.execute(
        """
        INSERT INTO models (
            model_id, provider, base_model_id, tier, context_window,
            effective_context_window, max_output_tokens,
            cost_per_1m_prompt, cost_per_1m_completion,
            supports_vision, supports_json_mode,
            latency_class, reasoning_mode, context_variant,
            access_level, availability, last_updated, eligible_categories
        ) VALUES (?, 'ollama-local', ?, 1, 16384, 7168, 2048, NULL, NULL,
                  0, 0, 'standard', 'default', 'full', 'public', 'active',
                  '2026-08-22T00:00:00+00:00', 'file_summarization,diff_checking')
        """,
        ("qwen2.5-coder-router:14b", "qwen2.5-coder-router:14b"),
    )
    conn.commit()

    cfg = _make_eval_cfg()
    add_self_eval(
        conn, cfg, "qwen2.5-coder-router:14b", "ollama-local", "diff_checking", [1.0, 0.5]
    )

    row = conn.execute(
        """
        SELECT model_id, provider, category, self_eval_score, self_eval_samples
          FROM proficiency
         WHERE model_id = ? AND provider = ? AND category = ?
        """,
        ("qwen2.5-coder-router:14b", "ollama-local", "diff_checking"),
    ).fetchone()
    assert row is not None
    assert row["provider"] == "ollama-local"
    assert row["category"] == "diff_checking"
    assert row["self_eval_samples"] == 2
    assert round(row["self_eval_score"], 3) == 0.75
    conn.close()


# --- POST /outcome attribution for local-dispatch answers -------------------


@pytest.fixture
def router_local_outcome(router_local, monkeypatch):
    """Same throwaway DB, but local_energy enabled and no verify/classify."""
    raw = yaml.safe_load((ROOT / "config" / "config.yaml").read_text())
    raw["dispatch_providers"] = {}
    raw["dispatch_settings"] = {"default_provider": "ollama-local"}
    raw["local_dispatch_models"] = [
        {
            "model_id": LOCAL_MODEL,
            "base_url": "http://localhost:11434/v1",
            "context_window": 16384,
            "max_output_tokens": 2048,
            "tier": 1,
            "eligible_categories": ["file_summarization", "diff_checking"],
        }
    ]
    raw["local_energy"]["enabled"] = True
    raw["local_energy"]["tariff_usd_per_kwh"] = 8.0
    raw["dispatch_providers"]["neuralwatt"] = {
        "base_url": "https://api.neuralwatt.com/v1",
        "api_key_env": "NEURALWATT_API_KEY",
    }
    raw["dispatch_settings"] = {"default_provider": "neuralwatt"}
    cfg = RouterConfig(**raw)
    monkeypatch.setattr(dispatcher, "cfg", cfg)
    monkeypatch.setattr(dispatcher.cfg.database, "path", str(router_local))
    monkeypatch.setattr(dispatcher.cfg.verification, "local_llm_enabled", False)
    monkeypatch.setattr(dispatcher.cfg.local_vision, "enabled", False)
    monkeypatch.setattr(dispatcher.cfg.session_cache, "enabled", False)
    monkeypatch.setattr(dispatcher.cfg.exploration, "epsilon", 0.0)
    return router_local


def _seed_local_energy_row(
    db_path,
    *,
    request_id,
    session_dir=None,
    model_id=LOCAL_MODEL,
    call_type="file_summarization",
    observed_at=None,
    with_request_id=True,
):
    """Insert a local_energy_observations row; can omit request_id/session_dir columns."""
    if observed_at is None:
        observed_at = datetime.now(timezone.utc).isoformat()
    conn = sqlite3.connect(db_path)
    cols = "observed_at, model_id, call_type, avg_power_watts, duration_seconds"
    vals = [observed_at, model_id, call_type, 250.0, 2.0]
    if with_request_id:
        cols += ", request_id"
        vals.append(request_id)
    if session_dir is not None:
        cols += ", session_dir"
        vals.append(session_dir)
    placeholders = ", ".join("?" for _ in vals)
    conn.execute(
        f"INSERT INTO local_energy_observations ({cols}) VALUES ({placeholders})",
        vals,
    )
    conn.commit()
    conn.close()


def test_outcome_local_dispatch_request_id_records_verification(
    router_local_outcome, monkeypatch
):
    """(1) local row with request_id + POST /outcome -> 200, ollama-local client_outcome."""
    _seed_local_row(router_local_outcome)
    rid = "local-dispatch-deadbeef"
    _seed_local_energy_row(router_local_outcome, request_id=rid)

    monkeypatch.setenv("NEURALWATT_API_KEY", "x")
    with TestClient(app) as client:
        resp = client.post(
            "/outcome",
            json={"request_id": rid, "ok": True, "detail": "tests passed"},
        )

    assert resp.status_code == 200
    data = resp.json()
    assert data["recorded"] is True
    assert data["model_id"] == LOCAL_MODEL
    assert data["task_category"] == "file_summarization"

    conn = sqlite3.connect(router_local_outcome)
    conn.row_factory = sqlite3.Row
    row = conn.execute(
        "SELECT model_id, provider, task_category, kind, verdict "
        "FROM verifications ORDER BY id DESC LIMIT 1"
    ).fetchone()
    conn.close()
    assert row is not None
    assert row["model_id"] == LOCAL_MODEL
    assert row["provider"] == "ollama-local"
    assert row["task_category"] == "file_summarization"
    assert row["kind"] == "client_outcome"
    assert row["verdict"] == "succeeded"


def test_outcome_cloud_wins_when_request_id_collides(router_local_outcome, monkeypatch):
    """(2) same request_id exists in cloud energy_observations -> cloud wins."""
    _seed_local_row(router_local_outcome)
    rid = "same-rid-cloud-and-local"
    _seed_local_energy_row(router_local_outcome, request_id=rid, model_id=LOCAL_MODEL)

    conn = sqlite3.connect(router_local_outcome)
    conn.row_factory = sqlite3.Row
    conn.execute(
        "INSERT INTO energy_observations (model_id, provider, request_id, task_category, observed_at) "
        "VALUES (?, 'neuralwatt', ?, 'coding_general', ?)",
        (CLOUD_MODEL, rid, datetime.now(timezone.utc).isoformat()),
    )
    conn.commit()
    conn.close()

    monkeypatch.setenv("NEURALWATT_API_KEY", "x")
    with TestClient(app) as client:
        resp = client.post(
            "/outcome",
            json={"request_id": rid, "ok": False, "detail": "cloud failed"},
        )

    assert resp.status_code == 200
    data = resp.json()
    assert data["model_id"] == CLOUD_MODEL
    assert data["task_category"] == "coding_general"


def test_outcome_session_dir_local_attribution(router_local_outcome, monkeypatch):
    """(3) source matches session_dir on a local row -> resolves."""
    _seed_local_row(router_local_outcome)
    rid = "local-dispatch-sourcedir"
    project_dir = "/home/alee/Sources/6krrt"
    _seed_local_energy_row(
        router_local_outcome,
        request_id=rid,
        call_type="diff_checking",
        session_dir=project_dir,
    )

    monkeypatch.setenv("NEURALWATT_API_KEY", "x")
    with TestClient(app) as client:
        resp = client.post(
            "/outcome",
            json={"source": project_dir, "ok": True, "detail": "diff matched"},
        )

    assert resp.status_code == 200
    data = resp.json()
    assert data["model_id"] == LOCAL_MODEL
    assert data["request_id"] == rid
    assert data["task_category"] == "diff_checking"


def test_outcome_unknown_request_id_still_404(router_local_outcome, monkeypatch):
    """(4) request_id in neither table -> 404."""
    _seed_local_row(router_local_outcome)

    monkeypatch.setenv("NEURALWATT_API_KEY", "x")
    with TestClient(app) as client:
        resp = client.post(
            "/outcome",
            json={"request_id": "does-not-exist", "ok": True},
        )

    assert resp.status_code == 404


def test_outcome_two_local_sessions_still_ambiguous(
    router_local_outcome, monkeypatch
):
    """(5) two distinct local sessions inside window -> 409, no weakening."""
    _seed_local_row(router_local_outcome)
    now = datetime.now(timezone.utc)
    _seed_local_energy_row(
        router_local_outcome,
        request_id="local-session-a",
        session_dir="/tmp/projA",
        observed_at=now.isoformat(),
    )
    _seed_local_energy_row(
        router_local_outcome,
        request_id="local-session-b",
        session_dir="/tmp/projB",
        observed_at=now.isoformat(),
    )

    monkeypatch.setattr(
        dispatcher.cfg.verification,
        "outcome_attribution_window_seconds",
        60,
    )
    monkeypatch.setenv("NEURALWATT_API_KEY", "x")
    with TestClient(app) as client:
        resp = client.post(
            "/outcome",
            json={"ok": True, "detail": "no request id"},
        )

    assert resp.status_code == 409
    assert "More than one conversation" in resp.text


def test_outcome_pre_column_local_row_does_not_error(router_local_outcome, monkeypatch):
    """(6) writing a new-style local row into a DB missing request_id/session_dir doesn't error."""
    # Simulate pre-Todo-11 state: drop the index first, then the columns.
    conn = sqlite3.connect(router_local_outcome)
    conn.execute("DROP INDEX IF EXISTS idx_local_energy_request")
    conn.execute("ALTER TABLE local_energy_observations DROP COLUMN request_id")
    conn.execute("ALTER TABLE local_energy_observations DROP COLUMN session_dir")
    conn.commit()
    conn.close()

    _seed_local_row(router_local_outcome)

    fake_measure = mock.MagicMock()
    fake_measure.__enter__.return_value.avg_power_watts = 250.0
    fake_measure.__enter__.return_value.duration_seconds = 2.0
    monkeypatch.setattr(dispatcher.local_energy, "measure", lambda **kw: fake_measure)

    def fake_post(url, headers=None, json=None, timeout=None):
        class R:
            status_code = 200

            def json(self):
                return {
                    "id": "local-compat",
                    "choices": [
                        {
                            "message": {"content": "compat"},
                            "finish_reason": "stop",
                        }
                    ],
                    "usage": {"prompt_tokens": 5, "completion_tokens": 1},
                }

        return R()

    monkeypatch.setattr(dispatcher.requests, "post", fake_post)
    monkeypatch.setenv("NEURALWATT_API_KEY", "x")

    with TestClient(app) as client:
        resp = client.post(
            "/v1/chat/completions",
            json={
                "model": LOCAL_MODEL,
                "messages": [{"role": "user", "content": "Summarize"}],
            },
        )

    assert resp.status_code == 200
    # The most important assertion: the log succeeded despite missing columns.