#!/usr/bin/env tsx
/**
 * Seed N soak-harness accounts via the register endpoint.
 *
 * Usage:
 *   TEST_URL=http://localhost:8000 \
 *   SOAK_INVITE_CODE=SOAKTEST \
 *     bun run seed -- --count=16
 *
 * The invite code must already exist and be flagged marks_as_test=TRUE
 * in the target environment. See docs/soak-harness-bringup.md.
 */

import * as path from 'path';
import { SessionPool } from '../core/session-pool';
import { createLogger } from '../core/logger';

function parseArgs(argv: string[]): { count: number } {
  const result = { count: 16 };
  for (const arg of argv.slice(2)) {
    const m = arg.match(/^--count=(\d+)$/);
    if (m) result.count = parseInt(m[1], 10);
  }
  return result;
}

async function main(): Promise<void> {
  const { count } = parseArgs(process.argv);
  const targetUrl = process.env.TEST_URL ?? 'http://localhost:8000';
  const inviteCode = process.env.SOAK_INVITE_CODE;
  if (!inviteCode) {
    console.error('SOAK_INVITE_CODE env var is required');
    console.error('  Local dev: SOAK_INVITE_CODE=SOAKTEST');
    console.error('  Staging:   SOAK_INVITE_CODE=5VC2MCCN');
    process.exit(2);
  }

  const credFile = path.resolve(__dirname, '..', '.env.stresstest');
  const logger = createLogger({ runId: `seed-${Date.now()}` });

  logger.info('seed_start', { count, targetUrl, credFile });
  try {
    const accounts = await SessionPool.seed({
      targetUrl,
      inviteCode,
      count,
      credFile,
      logger,
    });
    logger.info('seed_complete', { created: accounts.length });
    console.error(`Seeded ${accounts.length} accounts → ${credFile}`);
  } catch (err) {
    logger.error('seed_failed', {
      error: err instanceof Error ? err.message : String(err),
    });
    process.exit(1);
  }
}

main();