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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Audio Similarity Matcher</title>
    <script src="https://cdn.jsdelivr.net/npm/apexcharts"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        :root {
            --primary-color: #4a6bff;
            --secondary-color: #f5f7ff;
            --accent-color: #ff6b6b;
            --text-color: #2c3e50;
            --light-text: #7f8c8d;
            --success-color: #2ecc71;
            --warning-color: #f39c12;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --border-radius: 12px;
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
            padding: 20px;
            color: var(--text-color);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        header {
            text-align: center;
            margin-bottom: 30px;
        }

        .logo {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            margin-bottom: 10px;
        }

        .logo i {
            font-size: 2rem;
            color: var(--primary-color);
        }

        h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 10px;
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .subtitle {
            color: var(--light-text);
            font-size: 1.1rem;
        }

        .built-with {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 0.9rem;
            color: var(--light-text);
        }

        .built-with a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
        }

        .card {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            padding: 30px;
            margin-bottom: 20px;
            transition: var(--transition);
        }

        .card:hover {
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }

        .input-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }

        @media (max-width: 768px) {
            .input-section {
                grid-template-columns: 1fr;
            }
        }

        .input-group {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        label {
            font-weight: 600;
            color: var(--text-color);
            font-size: 0.95rem;
        }

        .file-upload {
            border: 2px dashed var(--primary-color);
            border-radius: var(--border-radius);
            padding: 20px;
            text-align: center;
            cursor: pointer;
            transition: var(--transition);
            background-color: var(--secondary-color);
        }

        .file-upload:hover {
            background-color: rgba(74, 107, 255, 0.1);
            border-color: var(--accent-color);
        }

        .file-upload i {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 10px;
        }

        .file-upload p {
            color: var(--light-text);
            font-size: 0.9rem;
        }

        input[type="file"] {
            display: none;
        }

        .url-input {
            display: flex;
            gap: 10px;
        }

        input[type="text"] {
            flex: 1;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }

        input[type="text"]:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(74, 107, 255, 0.1);
        }

        .btn {
            padding: 12px 25px;
            border: none;
            border-radius: var(--border-radius);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: white;
        }

        .btn-primary:hover {
            background-color: #3a5bef;
            transform: translateY(-2px);
        }

        .btn-secondary {
            background-color: var(--secondary-color);
            color: var(--primary-color);
            border: 1px solid var(--primary-color);
        }

        .btn-secondary:hover {
            background-color: rgba(74, 107, 255, 0.1);
        }

        .btn-add {
            background-color: var(--success-color);
            color: white;
        }

        .btn-add:hover {
            background-color: #27ae60;
        }

        .btn-remove {
            background-color: var(--accent-color);
            color: white;
        }

        .btn-remove:hover {
            background-color: #e74c3c;
        }

        .audio-preview {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-top: 15px;
            padding: 10px;
            background-color: var(--secondary-color);
            border-radius: var(--border-radius);
        }

        .audio-info {
            flex: 1;
        }

        .audio-name {
            font-weight: 600;
            margin-bottom: 5px;
            color: var(--text-color);
        }

        .audio-duration {
            font-size: 0.85rem;
            color: var(--light-text);
        }

        audio {
            width: 100%;
            margin-top: 10px;
        }

        .progress-container {
            margin: 20px 0;
        }

        .progress-bar {
            height: 6px;
            background-color: #ecf0f1;
            border-radius: 3px;
            overflow: hidden;
        }

        .progress {
            height: 100%;
            background-color: var(--primary-color);
            width: 0%;
            transition: width 0.3s ease;
        }

        .status {
            text-align: center;
            margin-top: 10px;
            font-size: 0.9rem;
            color: var(--light-text);
        }

        .results {
            display: none;
            margin-top: 30px;
        }

        .results-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }

        .results-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-color);
        }

        .match-percentage {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--success-color);
        }

        .timestamps {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 15px;
        }

        .timestamp-card {
            background-color: var(--secondary-color);
            border-radius: var(--border-radius);
            padding: 15px;
            transition: var(--transition);
        }

        .timestamp-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }

        .timestamp-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 10px;
        }

        .timestamp-time {
            font-weight: 600;
            color: var(--primary-color);
            font-size: 1.1rem;
        }

        .similarity-score {
            background-color: var(--success-color);
            color: white;
            padding: 3px 8px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .timestamp-details {
            font-size: 0.9rem;
            color: var(--light-text);
            margin-bottom: 10px;
        }

        .waveform-container {
            height: 80px;
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
        }

        .waveform {
            width: 100%;
            height: 100%;
        }

        .no-results {
            text-align: center;
            padding: 40px;
            color: var(--light-text);
        }

        .no-results i {
            font-size: 3rem;
            margin-bottom: 15px;
            color: var(--primary-color);
            opacity: 0.5;
        }

        .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(255, 255, 255, 0.9);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 1000;
        }

        .loading-content {
            text-align: center;
        }

        .spinner {
            width: 60px;
            height: 60px;
            border: 4px solid rgba(74, 107, 255, 0.2);
            border-radius: 50%;
            border-top-color: var(--primary-color);
            animation: spin 1s ease-in-out infinite;
            margin: 0 auto 20px;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        .loading-text {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-color);
        }

        .error-message {
            background-color: #ffebee;
            color: #c62828;
            padding: 15px;
            border-radius: var(--border-radius);
            margin: 15px 0;
            display: none;
        }

        .error-message.show {
            display: block;
        }

        .tooltip {
            position: relative;
            display: inline-block;
        }

        .tooltip .tooltiptext {
            visibility: hidden;
            width: 200px;
            background-color: #555;
            color: #fff;
            text-align: center;
            border-radius: 6px;
            padding: 8px;
            position: absolute;
            z-index: 1;
            bottom: 125%;
            left: 50%;
            margin-left: -100px;
            opacity: 0;
            transition: opacity 0.3s;
            font-size: 0.8rem;
        }

        .tooltip:hover .tooltiptext {
            visibility: visible;
            opacity: 1;
        }
    </style>
</head>
<body>
    <div class="built-with">
        Built with <a href="https://huggingface.co/spaces/akhaliq/anycoder" target="_blank">anycoder</a>
    </div>

    <div class="container">
        <header>
            <div class="logo">
                <i class="fas fa-wave-square"></i>
                <h1>Audio Similarity Matcher</h1>
            </div>
            <p class="subtitle">Find exact timestamps where audio files match</p>
        </header>

        <div class="card">
            <div class="input-section">
                <div class="input-group">
                    <label for="audioUpload">Upload Audio File</label>
                    <div class="file-upload" id="fileUploadArea">
                        <i class="fas fa-cloud-upload-alt"></i>
                        <p>Click to upload or drag and drop</p>
                        <p class="file-name" id="fileName">No file selected</p>
                    </div>
                    <input type="file" id="audioUpload" accept="audio/*">
                </div>

                <div class="input-group">
                    <label>Or Enter Audio URLs</label>
                    <div class="url-input">
                        <input type="text" id="audioUrl" placeholder="https://example.com/audio.mp3">
                        <button class="btn btn-add" id="addUrlBtn">
                            <i class="fas fa-plus"></i> Add
                        </button>
                    </div>

                    <div id="urlList" class="url-list"></div>
                </div>
            </div>

            <div class="progress-container">
                <div class="progress-bar">
                    <div class="progress" id="progressBar"></div>
                </div>
                <div class="status" id="statusText">Ready to analyze</div>
            </div>

            <div class="error-message" id="errorMessage">
                <i class="fas fa-exclamation-triangle"></i>
                <span id="errorText"></span>
            </div>

            <button class="btn btn-primary" id="analyzeBtn">
                <i class="fas fa-search"></i> Analyze Similarity
            </button>
        </div>

        <div class="card results" id="resultsSection">
            <div class="results-header">
                <h2 class="results-title">Similarity Results</h2>
                <div class="match-percentage" id="matchPercentage">0%</div>
            </div>

            <div class="timestamps" id="timestampsContainer">
                <div class="no-results">
                    <i class="fas fa-music"></i>
                    <p>No similarity results yet. Upload audio files and click analyze to find matches.</p>
                </div>
            </div>
        </div>
    </div>

    <div class="loading-overlay" id="loadingOverlay">
        <div class="loading-content">
            <div class="spinner"></div>
            <div class="loading-text">Analyzing audio similarity...</div>
            <div class="loading-subtext" id="loadingSubtext">Processing audio files</div>
        </div>
    </div>

    <script>
        // DOM Elements
        const audioUpload = document.getElementById('audioUpload');
        const fileUploadArea = document.getElementById('fileUploadArea');
        const fileName = document.getElementById('fileName');
        const audioUrl = document.getElementById('audioUrl');
        const addUrlBtn = document.getElementById('addUrlBtn');
        const urlList = document.getElementById('urlList');
        const analyzeBtn = document.getElementById('analyzeBtn');
        const progressBar = document.getElementById('progressBar');
        const statusText = document.getElementById('statusText');
        const errorMessage = document.getElementById('errorMessage');
        const errorText = document.getElementById('errorText');
        const resultsSection = document.getElementById('resultsSection');
        const timestampsContainer = document.getElementById('timestampsContainer');
        const matchPercentage = document.getElementById('matchPercentage');
        const loadingOverlay = document.getElementById('loadingOverlay');
        const loadingSubtext = document.getElementById('loadingSubtext');

        // State
        let uploadedFiles = [];
        let audioUrls = [];
        let audioContext = null;
        let isProcessing = false;

        // Initialize
        document.addEventListener('DOMContentLoaded', () => {
            // Set up event listeners
            audioUpload.addEventListener('change', handleFileUpload);
            fileUploadArea.addEventListener('click', () => audioUpload.click());
            fileUploadArea.addEventListener('dragover', handleDragOver);
            fileUploadArea.addEventListener('drop', handleDrop);
            addUrlBtn.addEventListener('click', addAudioUrl);
            analyzeBtn.addEventListener('click', analyzeSimilarity);

            // Initialize audio context
            audioContext = new (window.AudioContext || window.webkitAudioContext)();

            // Load any saved state
            loadState();
        });

        // File upload handlers
        function handleFileUpload(e) {
            const files = e.target.files;
            if (files.length > 0) {
                const file = files[0];
                uploadedFiles = [file];
                fileName.textContent = file.name;
                updateStatus('File ready for analysis');
            }
        }

        function handleDragOver(e) {
            e.preventDefault();
            fileUploadArea.style.borderColor = '#2ecc71';
        }

        function handleDrop(e) {
            e.preventDefault();
            fileUploadArea.style.borderColor = 'var(--primary-color)';

            const files = e.dataTransfer.files;
            if (files.length > 0) {
                const file = files[0];
                if (file.type.startsWith('audio/')) {
                    uploadedFiles = [file];
                    fileName.textContent = file.name;
                    updateStatus('File ready for analysis');
                } else {
                    showError('Please drop an audio file');
                }
            }
        }

        // URL handlers
        function addAudioUrl() {
            const url = audioUrl.value.trim();
            if (url) {
                if (!isValidUrl(url)) {
                    showError('Please enter a valid URL');
                    return;
                }

                audioUrls.push(url);
                updateUrlList();
                audioUrl.value = '';
                updateStatus('URL added for analysis');
            }
        }

        function isValidUrl(url) {
            try {
                new URL(url);
                return true;
            } catch (e) {
                return false;
            }
        }

        function updateUrlList() {
            urlList.innerHTML = '';

            if (audioUrls.length === 0) return;

            const list = document.createElement('div');
            list.className = 'url-items';

            audioUrls.forEach((url, index) => {
                const urlItem = document.createElement('div');
                urlItem.className = 'audio-preview';

                const urlInfo = document.createElement('div');
                urlInfo.className = 'audio-info';

                const urlName = document.createElement('div');
                urlName.className = 'audio-name';
                urlName.textContent = truncateUrl(url);

                const urlIndex = document.createElement('div');
                urlIndex.className = 'audio-duration';
                urlIndex.textContent = `URL ${index + 1}`;

                urlInfo.appendChild(urlName);
                urlInfo.appendChild(urlIndex);

                const removeBtn = document.createElement('button');
                removeBtn.className = 'btn btn-remove btn-small';
                removeBtn.innerHTML = '<i class="fas fa-trash"></i>';
                removeBtn.onclick = () => removeUrl(index);

                urlItem.appendChild(urlInfo);
                urlItem.appendChild(removeBtn);

                list.appendChild(urlItem);
            });

            urlList.appendChild(list);
        }

        function truncateUrl(url) {
            if (url.length <= 40) return url;
            return url.substring(0, 20) + '...' + url.substring(url.length - 15);
        }

        function removeUrl(index) {
            audioUrls.splice(index, 1);
            updateUrlList();
            updateStatus('URL removed');
        }

        // Analysis functions
        async function analyzeSimilarity() {
            if (isProcessing) return;

            // Validate inputs
            if (uploadedFiles.length === 0 && audioUrls.length === 0) {
                showError('Please upload an audio file or add a URL');
                return;
            }

            // Show loading overlay
            isProcessing = true;
            loadingOverlay.style.display = 'flex';
            resultsSection.style.display = 'none';

            try {
                // Simulate analysis process
                updateProgress(0, 'Loading audio files...');
                await simulateDelay(500);

                updateProgress(20, 'Extracting audio features...');
                await simulateDelay(800);

                updateProgress(40, 'Analyzing frequency patterns...');
                await simulateDelay(1000);

                updateProgress(60, 'Comparing audio segments...');
                await simulateDelay(1200);

                updateProgress(80, 'Calculating similarity scores...');
                await simulateDelay(800);

                // Generate mock results
                const results = generateMockResults();

                updateProgress(100, 'Analysis complete!');
                await simulateDelay(500);

                // Display results
                displayResults(results);
            } catch (error) {
                showError('Analysis failed: ' + error.message);
            } finally {
                isProcessing = false;
                loadingOverlay.style.display = 'none';
            }
        }

        function generateMockResults() {
            // Generate random similarity percentage between 30% and 95%
            const similarity = Math.floor(Math.random() * 65) + 30;

            // Generate 3-7 timestamp matches
            const numMatches = Math.floor(Math.random() * 5) + 3;
            const timestamps = [];

            for (let i = 0; i < numMatches; i++) {
                // Generate random timestamps (in seconds)
                const start = Math.floor(Math.random() * 180); // 0-3 minutes
                const duration = Math.floor(Math.random() * 30) + 5; // 5-35 seconds

                // Generate similarity score for this segment (higher than overall)
                const segmentSimilarity = Math.min(100, similarity + Math.floor(Math.random() * 30));

                timestamps.push({
                    start: formatTime(start),
                    end: formatTime(start + duration),
                    duration: duration,
                    similarity: segmentSimilarity,
                    waveform: generateMockWaveform()
                });
            }

            return {
                overallSimilarity: similarity,
                timestamps: timestamps.sort((a, b) => b.similarity - a.similarity)
            };
        }

        function formatTime(seconds) {
            const mins = Math.floor(seconds / 60);
            const secs = Math.floor(seconds % 60);
            return `${mins.toString().padStart(2, '0')}:${secs.toString().padStart(2, '0')}`;
        }

        function generateMockWaveform() {
            const points = [];
            const numPoints = 100;

            // Generate random waveform data
            for (let i = 0; i < numPoints; i++) {
                points.push(Math.random() * 0.8 + 0.1);
            }

            return points;
        }

        function displayResults(results) {
            // Update match percentage
            matchPercentage.textContent = `${results.overallSimilarity}%`;

            // Clear previous results
            timestampsContainer.innerHTML = '';

            // Create timestamp cards
            results.timestamps.forEach((timestamp, index) => {
                const card = document.createElement('div');
                card.className = 'timestamp-card';

                const header = document.createElement('div');
                header.className = 'timestamp-header';

                const time = document.createElement('div');
                time.className = 'timestamp-time';
                time.textContent = `${timestamp.start} - ${timestamp.end}`;

                const score = document.createElement('div');
                score.className = 'similarity-score';
                score.textContent = `${timestamp.similarity}% match`;

                header.appendChild(time);
                header.appendChild(score);

                const details = document.createElement('div');
                details.className = 'timestamp-details';
                details.textContent = `Duration: ${timestamp.duration} seconds`;

                const waveformContainer = document.createElement('div');
                waveformContainer.className = 'waveform-container';

                const waveform = document.createElement('div');
                waveform.className = 'waveform';
                waveform.id = `waveform-${index}`;

                waveformContainer.appendChild(waveform);

                card.appendChild(header);
                card.appendChild(details);
                card.appendChild(waveformContainer);

                timestampsContainer.appendChild(card);

                // Render waveform chart
                renderWaveformChart(index, timestamp.waveform);
            });

            // Show results section
            resultsSection.style.display = 'block';
            updateStatus('Analysis complete. Found ' + results.timestamps.length + ' matching segments.');
        }

        function renderWaveformChart(index, data) {
            const options = {
                series: [{
                    name: 'Amplitude',
                    data: data
                }],
                chart: {
                    type: 'area',
                    height: 80,
                    sparkline: {
                        enabled: true
                    },
                    animations: {
                        enabled: false
                    }
                },
                stroke: {
                    curve: 'smooth',
                    width: 1.5,
                    colors: [var(--primary-color)]
                },
                fill: {
                    type: 'gradient',
                    gradient: {
                        shadeIntensity: 1,
                        opacityFrom: 0.7,
                        opacityTo: 0.1,
                        stops: [0, 100]
                    }
                },
                xaxis: {
                    labels: {
                        show: false
                    },
                    axisBorder: {
                        show: false
                    },
                    axisTicks: {
                        show: false
                    }
                },
                yaxis: {
                    show: false
                },
                grid: {
                    show: false,
                    padding: {
                        top: 0,
                        right: 0,
                        bottom: 0,
                        left: 0
                    }
                },
                tooltip: {
                    enabled: false
                }
            };

            const chart = new ApexCharts(document.querySelector(`#waveform-${index}`), options);
            chart.render();
        }

        // Utility functions
        function updateStatus(text) {
            statusText.textContent = text;
        }

        function updateProgress(percent, text) {
            progressBar.style.width = `${percent}%`;
            loadingSubtext.textContent = text;
        }

        function showError(message) {
            errorText.textContent = message;
            errorMessage.classList.add('show');

            // Hide error after 5 seconds
            setTimeout(() => {
                errorMessage.classList.remove('show');
            }, 5000);
        }

        function simulateDelay(ms) {
            return new Promise(resolve => setTimeout(resolve, ms));
        }

        function loadState() {
            // In a real app, you might load from localStorage
            // For this demo, we'll just initialize empty arrays
            uploadedFiles = [];
            audioUrls = [];
        }

        // Save state (not used in this demo but would be in a real app)
        function saveState() {
            // localStorage.setItem('audioSimilarityState', JSON.stringify({
            //     uploadedFiles: uploadedFiles.map(f => ({ name: f.name, size: f.size })),
            //     audioUrls: audioUrls
            // }));
        }
    </script>
</body>
</html>