// Centralized timing configuration for all animations and pauses
// Edit these values to tune the feel of card animations and CPU gameplay

const TIMING = {
    // Card animations (milliseconds)
    card: {
        flip: 320,              // Card flip duration — readable but snappy
        move: 300,              // General card movement
        lift: 100,              // Perceptible lift before travel
        settle: 80,             // Gentle landing cushion
    },

    // Pauses - minimal, let animations flow
    pause: {
        afterFlip: 0,           // No pause - flow into next action
        afterDiscard: 100,      // Brief settle
        beforeNewCard: 0,       // No pause
        afterSwapComplete: 100, // Brief settle
        betweenAnimations: 0,   // No gaps - continuous flow
        beforeFlip: 0,          // No pause
    },

    // Beat timing for animation phases (~1.2 sec with variance)
    beat: {
        base: 1200,             // Base beat duration (longer to see results)
        variance: 200,          // +/- variance for natural feel
        fadeOut: 300,           // Fade out duration
        fadeIn: 300,            // Fade in duration
    },

    // UI feedback durations (milliseconds)
    feedback: {
        drawPulse: 375,         // Draw pile highlight duration (25% slower for clear sequencing)
        discardLand: 375,       // Discard land effect duration (25% slower)
        cardFlipIn: 300,        // Card flip-in effect duration
        statusMessage: 2000,    // Toast/status message duration
        copyConfirm: 2000,      // Copy button confirmation duration
        discardPickup: 250,     // Discard pickup animation duration
    },

    // CSS animation timing (for reference - actual values in style.css)
    css: {
        cpuConsidering: 1500,   // CPU considering pulse cycle
    },

    // Anime.js animation configuration
    anime: {
        easing: {
            flip: 'cubicBezier(0.34, 1.2, 0.64, 1)',      // Slight overshoot snap
            move: 'cubicBezier(0.22, 0.68, 0.35, 1.0)',    // Smooth deceleration
            lift: 'cubicBezier(0.0, 0.0, 0.2, 1)',         // Quick out, soft stop
            settle: 'cubicBezier(0.34, 1.05, 0.64, 1)',    // Tiny overshoot on landing
            arc: 'cubicBezier(0.45, 0, 0.15, 1)',          // Smooth S-curve for arcs
            pulse: 'easeInOutSine',                          // Keep for loops
        },
        loop: {
            turnPulse: { duration: 2000 },
            cpuThinking: { duration: 1500 },
            initialFlipGlow: { duration: 1500 },
        }
    },

    // Card manager specific
    cardManager: {
        flipDuration: 320,      // Card flip animation
        moveDuration: 300,      // Card move animation
    },

    // V3_02: Dealing animation
    dealing: {
        shufflePause: 400,        // Pause after shuffle sound
        cardFlyTime: 150,         // Time for card to fly to destination
        cardStagger: 80,          // Delay between cards
        roundPause: 50,           // Pause between deal rounds
        discardFlipDelay: 200,    // Pause before flipping discard
    },

    // V3_03: Round end reveal timing
    reveal: {
        lastPlayPause: 2000,      // Pause after last play animation before reveals
        voluntaryWindow: 2000,    // Time for players to flip their own cards
        initialPause: 250,        // Pause before auto-reveals start
        cardStagger: 50,          // Between cards in same hand
        playerPause: 200,         // Pause after each player's reveal
        highlightDuration: 100,   // Player area highlight fade-in
    },

    // V3_04: Pair celebration
    celebration: {
        pairDuration: 200,        // Celebration animation length
        pairDelay: 25,            // Slight delay before celebration
    },

    // V3_07: Score tallying animation
    tally: {
        initialPause: 100,        // After reveal, before tally
        cardHighlight: 70,        // Duration to show each card value
        columnPause: 30,          // Between columns
        pairCelebration: 200,     // Pair cancel effect
        playerPause: 50,          // Between players
        finalScoreReveal: 400,    // Final score animation
    },

    // Opponent initial flip stagger (after dealing)
    // All players flip concurrently within this window (not taking turns)
    initialFlips: {
        windowStart: 500,         // Minimum delay before any opponent starts flipping
        windowEnd: 2500,          // Maximum delay before opponent starts (random in range)
        cardStagger: 400,         // Delay between an opponent's two card flips
    },

    // V3_11: Physical swap animation
    swap: {
        lift: 100,            // Time to lift cards — visible pickup
        arc: 320,             // Time for arc travel
        settle: 100,          // Time to settle into place — with overshoot easing
    },

    // Draw animation durations (replaces hardcoded values in card-animations.js)
    draw: {
        deckLift: 120,          // Lift off deck before travel
        deckMove: 250,          // Travel to holding position
        deckRevealPause: 80,    // Brief pause before flip (easing does the rest)
        deckFlip: 320,          // Flip to reveal drawn card
        deckViewPause: 120,     // Time to see revealed card
        discardLift: 80,        // Quick grab from discard
        discardMove: 200,       // Travel to holding position
        discardViewPause: 60,   // Brief settle after arrival
        pulseDelay: 200,        // Delay before card appears (pulse visible first)
    },

    // Turn pulse (deck shake)
    turnPulse: {
        initialDelay: 5000,       // Delay before first shake
        interval: 5400,           // Time between shakes
        duration: 300,            // Shake animation duration
    },

    // V3_17: Knock notification
    knock: {
        statusDuration: 2500,       // How long the knock status message persists
    },

    // V3_17: Scoresheet modal
    scoresheet: {
        playerStagger: 150,         // Delay between player row animations
        columnStagger: 80,          // Delay between column animations within a row
        pairGlowDelay: 200,        // Delay before paired columns glow
    },

    // Player swap animation steps - smooth continuous motion
    playerSwap: {
        flipToReveal: 400,      // Initial flip to show card
        pauseAfterReveal: 50,   // Tiny beat to register the card
        moveToDiscard: 400,     // Move old card to discard
        pulseBeforeSwap: 0,     // No pulse - just flow
        completePause: 50,      // Tiny settle
    },
};

// Helper to get beat duration with variance
function getBeatDuration() {
    const base = TIMING.beat.base;
    const variance = TIMING.beat.variance;
    return base + (Math.random() * variance * 2 - variance);
}

// Export for module systems, also attach to window for direct use
if (typeof module !== 'undefined' && module.exports) {
    module.exports = TIMING;
}
if (typeof window !== 'undefined') {
    window.TIMING = TIMING;
    window.getBeatDuration = getBeatDuration;
}