// --- 6. engine.js ---
ajaxHooker.protect();
ajaxHooker.filter([{ url: '.m3u8', method: 'GET' }]);
ajaxHooker.hook(async request => {
    if (request.url.includes('.m3u8') && (request.url.includes('?') || request.url.includes('.cloudfront.net'))) {
        const videoKey = request.url.split('?')[0];
        const isTrialFormat = request.url.includes('_0001.m3u8') || request.url.includes('preview');

        if (isTrialFormat) {
            if (currentVideoKey === videoKey) {
                if (window.real_m3u8_url) request.url = window.real_m3u8_url;
                return;
            }
            const { data: { session } } = await supabaseClient.auth.getSession();
            const token = session ? session.access_token : null;
            const deviceId = getDeviceId();
            try {
                const response = await fetch(`${CONFIG.SB_URL}/functions/v1/get-vip-video`, {
                    method: 'POST',
                    headers: { 'Content-Type': 'application/json', 'Authorization': token ? `Bearer ${token}` : 'Bearer null' },
                    body: JSON.stringify({ trialUrl: request.url, deviceId: deviceId })
                });
                const data = await response.json();
                if (response.ok && data.fullUrl) {
                    currentVideoKey = videoKey; request.url = data.fullUrl; window.real_m3u8_url = data.fullUrl;
                    if (data.isFreeTrial) showToast(`🎁 Đã dùng ${data.viewsTaken}/5 lượt xem miễn phí thiết bị`);
                } else {
                    showToast("❌ Hết 5 lượt xem thử trên thiết bị này! Vui lòng nâng cấp VIP.");
                    document.getElementById('auth-panel').style.display = 'block'; document.getElementById('vip-floating-btn').style.display = 'none';
                }
            } catch (e) { console.error("Lỗi kết nối máy chủ VIP", e); }
        } else {
            if (currentVideoKey !== videoKey) {
                currentVideoKey = videoKey; window.real_m3u8_url = request.url;
            }
        }
    }
});

function mainLoop() {
    document.querySelectorAll("div.homeAdPop, div.vue-nice-modal-root, .exo-native-widget, div.preview-ui").forEach(s => s.remove());
    if (window.real_m3u8_url && window.real_m3u8_url !== (window.his_m3u8_url || '')) { 
        window.his_m3u8_url = window.real_m3u8_url; 
        startHls(window.real_m3u8_url); 
    }
}

function startHls(url) {
    const container = document.getElementById('mini-player-container'), videoElement = document.getElementById('mini-video'); container.style.display = 'block';
    if (Hls.isSupported()) { 
        const hls = new Hls({ maxBufferLength: 30 }); 
        hls.loadSource(url); hls.attachMedia(videoElement); hls.on(Hls.Events.MANIFEST_PARSED, () => videoElement.play().catch(() => {})); 
    } else if (videoElement.canPlayType('application/vnd.apple.mpegurl')) { 
        videoElement.src = url; videoElement.play(); 
    }
}