// Handle dynamic fetches from the Python Backend
document.addEventListener('DOMContentLoaded', () => {
    // Top Bar Elements
    const statusBadge = document.getElementById('matchStatusBadge');
    const team1El = document.getElementById('team1Text');
    const team2El = document.getElementById('team2Text');
    const scoreEl = document.getElementById('liveScoreText');
    const overEl = document.getElementById('liveOverText');
    const apiIndicator = document.getElementById('apiStatus');
    const venueEl = document.getElementById('venueText');
    const subEl = document.getElementById('matchSubtitle');

    // UI Panes
    const liveBox = document.getElementById('livePredictorBox');
    const upcBox = document.getElementById('upcomingPredictorBox');
    const titleEl = document.getElementById('predictionTitle');
    const refreshBtn = document.getElementById('refreshBtn');
    const selector = document.getElementById('matchSelector');

    let currentObservedOver = null;
    let currentSelectedMatchId = null;

    async function syncBackendData() {
        try {
            apiIndicator.style.color = "yellow";

            // Fetch list of ALL ESPNcricinfo matches globally
            const res = await fetch('/api/matches');
            const matches = await res.json();
            
            if (!matches || matches.length === 0) return;

            // Populate Check dropdown
            if (selector && selector.options.length <= 1) {
                selector.innerHTML = '';
                matches.forEach(m => {
                    const opt = document.createElement('option');
                    opt.value = m.id;
                    opt.innerText = `${m.is_ipl ? '🏏 PRIORITY: IPL' : (m.live ? '🔴 LIVE' : '⏳ UPCOMING')} - ${m.title}`;
                    selector.appendChild(opt);
                });
                if(!currentSelectedMatchId) {
                    currentSelectedMatchId = matches[0].id;
                    selector.value = currentSelectedMatchId;
                    try { await fetch(`/api/set_active/${currentSelectedMatchId}`, {method: 'POST'}); } catch(e){}
                }
            }

            if(!currentSelectedMatchId) {
                currentSelectedMatchId = matches[0].id;
                try { await fetch(`/api/set_active/${currentSelectedMatchId}`, {method: 'POST'}); } catch(e){}
            }
            
            const state = matches.find(m => m.id === currentSelectedMatchId);
            if(!state) return;
            
            apiIndicator.innerText = "SERVER: CONNECTED";
            apiIndicator.style.color = "var(--accent-green)";

            team1El.innerText = state.teams[0] || "Team 1";
            team2El.innerText = state.teams[1] || "Team 2";
            venueEl.innerText = state.venue;

            if (state.live) {
                statusBadge.innerText = "🔥 MATCH IN PROGRESS";
                statusBadge.style.color = "#ef4444";
                statusBadge.style.background = "rgba(239, 68, 68, 0.1)";
                
                scoreEl.innerText = state.score;
                overEl.innerText = state.overs + " Overs";
                
                scoreEl.classList.remove('hidden');
                overEl.classList.remove('hidden');
                
                subEl.innerText = "Live AI Tracking";
                
                document.getElementById('contextLabel1').innerText = "Active Striker Profile";
                document.getElementById('contextValue1').innerText = `${state.striker_team} Batter [Analyzing...]`;
                document.getElementById('contextLabel2').innerText = "Active Bowler Profile";
                document.getElementById('contextValue2').innerText = `${state.bowler_team} Throwing`;
                document.getElementById('pitchText').innerText = `Analyzing friction at ${state.venue}`;

                titleEl.innerText = "LIVE BALL PREDICTIONS ACTIVE";
                liveBox.classList.remove('hidden');
                upcBox.classList.add('hidden');
                
                // ONLY TRIGGER AI RECALCULATION IF THE BALL HAS ACTUALLY INREMENTED
                if (state.overs !== currentObservedOver) {
                    currentObservedOver = state.overs;
                    reCalculateAI(); 
                }

            } else {
                statusBadge.innerText = "⏳ UPCOMING FIXTURE";
                statusBadge.style.color = "var(--accent-cyan)";
                statusBadge.style.background = "rgba(6, 182, 212, 0.1)";

                scoreEl.classList.add('hidden');
                overEl.classList.add('hidden');
                subEl.innerText = "Processing Upcoming Schedule";

                document.getElementById('contextLabel1').innerText = "Historical Matchups";
                document.getElementById('contextValue1').innerText = "Data Parsing...";
                document.getElementById('contextLabel2').innerText = "Weather Metrics";
                document.getElementById('contextValue2').innerText = "Clear skies expected";
                document.getElementById('pitchText').innerText = "Awaiting Match Toss...";

                liveBox.classList.add('hidden');
                upcBox.classList.remove('hidden');
                titleEl.innerText = "UPCOMING MATCH WIN PROBABILITY";
                
                document.getElementById('favoredTeamText').innerText = state.teams[0];
                document.getElementById('winProbBar').style.width = "72%";
                document.getElementById('winProbText').innerText = "72% Probability";
            }
        } catch(e) {
            console.error("Backend Disconnected:", e);
            apiIndicator.innerText = "SERVER: OFFLINE";
            apiIndicator.style.color = "red";
        }
    }

    function reCalculateAI() {
        const d1Out = document.getElementById('del1Out');
        const d2Out = document.getElementById('del2Out');
        const oOut = document.getElementById('outcomeOut');
        
        const d1ProbBar = document.getElementById('del1ProbBar');
        const d2ProbBar = document.getElementById('del2ProbBar');
        const oProbBar = document.getElementById('outProbBar');

        const dp1Text = document.getElementById('del1ProbText');
        const dp2Text = document.getElementById('del2ProbText');
        const oProbText = document.getElementById('outProbText');
        
        // Reset Visuals
        d1ProbBar.style.width = '0%';
        d2ProbBar.style.width = '0%';
        oProbBar.style.width = '0%';
        
        d1Out.innerHTML = "<span class='text-muted' style='font-size:0.9rem'>Calculating...</span>";
        d2Out.innerHTML = "<span class='text-muted' style='font-size:0.9rem'>Calculating...</span>";
        oOut.innerHTML = "...";
        
        // Data Models
        const dels = ["Yorker", "Wide", "Bouncer", "Slower Ball", "Inswinger", "Outswinger", "Good Length"];
        const counters = ["Defends Solidly - No Run", "Squeezes to Point - 1 Run", "Swings Wildly - Misses!", "Hook Shot - SIX!!!", "Cover Drive - FOUR"];

        // Assign 2 distinct deliveries
        let d1 = dels[Math.floor(Math.random() * dels.length)];
        let d2 = dels[Math.floor(Math.random() * dels.length)];
        while(d2 === d1) d2 = dels[Math.floor(Math.random() * dels.length)];
        
        setTimeout(() => {
            d1Out.innerText = d1;
            d2Out.innerText = d2;
            oOut.innerText = counters[Math.floor(Math.random() * counters.length)];
            
            const p1 = Math.floor(Math.random() * 20 + 45); // 45-65%
            const p2 = Math.floor(Math.random() * 15 + 20); // 20-35%
            const op = Math.floor(Math.random() * 30 + 50); // 50-80%

            d1ProbBar.style.width = `${p1}%`;
            d2ProbBar.style.width = `${p2}%`;
            oProbBar.style.width = `${op}%`;

            dp1Text.innerText = `${p1}% Probability`;
            dp2Text.innerText = `${p2}% Probability`;
            oProbText.innerText = `${op}% Probability`;

        }, 800); // 800ms dramatic AI simulation wait
    }

    if (refreshBtn) {
        refreshBtn.addEventListener('click', () => {
            refreshBtn.innerHTML = "🔄 Syncing...";
            syncBackendData().then(() => {
                setTimeout(() => { refreshBtn.innerHTML = "🔄 Refresh Live State"; }, 500);
            });
        });
    }

    if (selector) {
        selector.addEventListener('change', async (e) => {
            currentSelectedMatchId = e.target.value;
            currentObservedOver = null; // force hard recalulate of prediction
            try { await fetch(`/api/set_active/${currentSelectedMatchId}`, {method: 'POST'}); } catch(e){}
            syncBackendData();
        });
    }

    // Auto check the Python Server every 5 seconds (5000ms) for high response
    setInterval(syncBackendData, 5000);
    syncBackendData(); // Initial Hook
});