document.addEventListener('DOMContentLoaded', async function() {
    const player = document.getElementById('player');
    const playerOverlay = document.getElementById('player-overlay');
    const channelList = document.getElementById('channel-list');
    const currentChannel = document.getElementById('current-channel');
    const currentProgram = document.getElementById('current-program');
    
    // Default M3U URL
    const m3uUrl = 'https://iptv-org.github.io/iptv/languages/mal.m3u';
    
    playerOverlay.classList.remove('hidden');
    
    // Load channels from M3U file
    async function loadChannels() {
        try {
            const response = await fetch(m3uUrl);
            const text = await response.text();
            const channels = parseM3U(text);
            
            channelList.innerHTML = '';
            
            channels.forEach(channel => {
                const channelItem = document.createElement('div');
                channelItem.className = 'channel-item bg-gray-700 hover:bg-gray-600 rounded-lg p-3 cursor-pointer flex items-center transition-all';
                channelItem.innerHTML = `
                    <div class="w-10 h-10 rounded-full bg-purple-500 flex items-center justify-center mr-3">
                        <i data-feather="tv" class="w-4 h-4"></i>
                    </div>
                    <div class="flex-1">
                        <h3 class="font-medium truncate">${channel.name}</h3>
                        <p class="text-gray-400 text-xs truncate">${channel.group || 'General'}</p>
                    </div>
                `;
                
                channelItem.addEventListener('click', () => {
                    playChannel(channel);
                });
                
                channelList.appendChild(channelItem);
            });
            
            feather.replace();
} catch (error) {
            console.error('Error loading channels:', error);
            channelList.innerHTML = `
                <div class="text-center py-8 text-gray-400">
                    <i data-feather="alert-circle" class="w-12 h-12 mx-auto mb-2"></i>
                    <p>Failed to load channels. Please try again later.</p>
                </div>
            `;
            feather.replace();
        }
    }
    
    // Parse M3U file content
    function parseM3U(content) {
        const lines = content.split('\n');
        const channels = [];
        
        for (let i = 0; i < lines.length; i++) {
            if (lines[i].startsWith('#EXTINF:')) {
                const infoLine = lines[i];
                const urlLine = lines[i + 1];
                
                if (urlLine && !urlLine.startsWith('#')) {
                    const channel = {
                        name: extractName(infoLine),
                        group: extractGroup(infoLine),
                        url: urlLine.trim()
                    };
                    channels.push(channel);
                    i++;
                }
            }
        }
        
        return channels;
    }
    
    // Extract channel name from EXTINF line
    function extractName(extinfLine) {
        const match = extinfLine.match(/tvg-name="([^"]*)"/i);
        if (match && match[1]) {
            return match[1];
        }
        
        // Fallback to last part after comma
        const parts = extinfLine.split(',');
        return parts[parts.length - 1].trim();
    }
    
    // Extract channel group from EXTINF line
    function extractGroup(extinfLine) {
        const match = extinfLine.match(/group-title="([^"]*)"/i);
        return match && match[1] ? match[1] : null;
    }
    // Play selected channel
    function playChannel(channel) {
        playerOverlay.classList.add('hidden');
        currentChannel.textContent = channel.name;
        currentProgram.textContent = channel.group ? `Category: ${channel.group}` : 'Live Stream';
        player.pause();
// Check if HLS.js is needed
        if (channel.url.endsWith('.m3u8')) {
            if (typeof Hls === 'undefined') {
                loadHlsJs().then(() => {
                    setupHlsPlayer(channel.url);
                });
            } else {
                setupHlsPlayer(channel.url);
            }
        } else {
            // Direct video source
            player.src = channel.url;
            player.play();
        }
        
        // Highlight selected channel
        const channelItems = document.querySelectorAll('.channel-item');
        channelItems.forEach(item => {
            item.classList.remove('bg-rose-500', 'text-white');
            item.classList.add('bg-gray-700', 'hover:bg-gray-600');
        });
        
        // Find and highlight the clicked channel
        const selectedChannel = [...channelItems].find(item => 
            item.querySelector('h3').textContent === channel.name
        );
        
        if (selectedChannel) {
            selectedChannel.classList.remove('bg-gray-700', 'hover:bg-gray-600');
            selectedChannel.classList.add('bg-rose-500', 'text-white');
        }
    }
    
    // Load HLS.js dynamically
    function loadHlsJs() {
        return new Promise((resolve, reject) => {
            if (typeof Hls !== 'undefined') {
                resolve();
                return;
            }
            
            const script = document.createElement('script');
            script.src = 'https://cdn.jsdelivr.net/npm/hls.js@latest';
            script.onload = resolve;
            script.onerror = reject;
            document.head.appendChild(script);
        });
    }
    
    // Setup HLS player
    function setupHlsPlayer(url) {
        if (Hls.isSupported()) {
            const hls = new Hls();
            hls.loadSource(url);
            hls.attachMedia(player);
            hls.on(Hls.Events.MANIFEST_PARSED, function() {
                player.play();
            });
        } else if (player.canPlayType('application/vnd.apple.mpegurl')) {
            // For Safari
            player.src = url;
            player.play();
        } else {
            alert('Error: Your browser does not support HLS streaming.');
        }
    }
    
    // Initialize the app
    loadChannels();
    
    // Handle volume change from player controls
    document.addEventListener('volumechange', (e) => {
        player.volume = e.detail.volume;
    });
    
    // Handle play/pause from player controls
    document.addEventListener('playpause', () => {
        if (player.paused) {
            player.play();
        } else {
            player.pause();
        }
    });
    // Handle fullscreen from player controls
    document.addEventListener('fullscreen', () => {
        if (player.requestFullscreen) {
            player.requestFullscreen();
        } else if (player.webkitRequestFullscreen) {
            player.webkitRequestFullscreen();
        } else if (player.msRequestFullscreen) {
            player.msRequestFullscreen();
        }
    });

    // Channel navigation
    let currentChannelIndex = -1;
    let channels = [];

    document.addEventListener('prevchannel', () => {
        if (channels.length === 0) return;
        
        currentChannelIndex = (currentChannelIndex - 1 + channels.length) % channels.length;
        playChannel(channels[currentChannelIndex]);
    });

    document.addEventListener('nextchannel', () => {
        if (channels.length === 0) return;
        
        currentChannelIndex = (currentChannelIndex + 1) % channels.length;
        playChannel(channels[currentChannelIndex]);
    });

    // Modified loadChannels to store channels globally
    async function loadChannels() {
        try {
            const response = await fetch(m3uUrl);
            const text = await response.text();
            channels = parseM3U(text);
            
            channelList.innerHTML = '';
            
            channels.forEach((channel, index) => {
                const channelItem = document.createElement('div');
                channelItem.className = 'channel-item bg-gray-700 hover:bg-gray-600 rounded-lg p-3 cursor-pointer flex items-center transition-all';
                channelItem.innerHTML = `
                    <div class="w-10 h-10 rounded-full bg-purple-500 flex items-center justify-center mr-3">
                        <i data-feather="tv" class="w-4 h-4"></i>
                    </div>
                    <div class="flex-1">
                        <h3 class="font-medium truncate">${channel.name}</h3>
                        <p class="text-gray-400 text-xs truncate">${channel.group || 'General'}</p>
                    </div>
                `;
                
                channelItem.addEventListener('click', () => {
                    currentChannelIndex = index;
                    playChannel(channel);
                });
                
                channelList.appendChild(channelItem);
            });
});