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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Validate Recordings - COILD Dhravani</title>
    <link rel="icon" type="image/x-icon" href="{{ url_for('static', filename='favicon.ico') }}">
    <link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">
    <link href="https://fonts.googleapis.com/css2?family=Google+Sans:wght@400;500;700&display=swap" rel="stylesheet">
    <link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css" rel="stylesheet">
    <link rel="stylesheet" href="{{ url_for('static', filename='validate.css') }}">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <script src="{{ url_for('static', filename='country-states.js') }}"></script>
</head>
<body>
    <div class="container-fluid px-3">
        <!-- Navigation bar -->
        <div class="d-flex justify-content-between align-items-center pt-3 pb-3">
            <h4 class="mb-0" style="color: #1a73e8;">COILD Dhravani</h4>
            <div class="d-flex align-items-center gap-3">
                <a href="{{ url_for('index') }}" class="btn btn-outline-primary">Back</a>
                {% if enable_auth and session.get('user') %}
                <a href="{{ url_for('logout') }}" class="btn btn-outline-secondary">Logout</a>
                {% endif %}
            </div>
        </div>

        <!-- Filters Panel - Moved to top -->
        <div class="card mb-4 border-0">
            <div class="card-body p-3">
                <div class="row align-items-center">
                    <div class="col-auto d-none d-md-block">
                        <h5 class="filter-title mb-0">
                            <i class="fas fa-sliders me-2"></i>Filters
                        </h5>
                    </div>
                    <!-- Mobile filter toggle button -->
                    <div class="col-12 d-md-none mb-2">
                        <button class="btn btn-outline-primary w-100 d-flex justify-content-between align-items-center" 

                                type="button" 

                                data-bs-toggle="collapse" 

                                data-bs-target="#filterCollapse" 

                                aria-expanded="false" 

                                aria-controls="filterCollapse">
                            <span><i class="fas fa-sliders me-2"></i>Filters</span>
                            <i class="fas fa-chevron-down filter-chevron"></i>
                        </button>
                    </div>
                    <div class="col-12 col-md-auto flex-grow-1">
                        <!-- Collapsible container for mobile -->
                        <div class="collapse d-md-block" id="filterCollapse">
                            <form id="filterForm" class="row g-3 align-items-center flex-nowrap mobile-filter-form">
                                <!-- Language Filter -->
                                <div class="col filter-item">
                                    <label class="filter-mobile-label d-md-none">Language</label>
                                    <div class="filter-select">
                                        <select class="form-control" id="language" name="language" required>
                                            <option value="">Select Language *</option>
                                            {% for lang in languages %}
                                            <option value="{{ lang.code }}">{{ lang.name }}</option>
                                            {% endfor %}
                                        </select>
                                        <i class="fas fa-chevron-down select-arrow"></i>
                                    </div>
                                </div>

                                <!-- Add Domain Filter -->
                                <div class="col filter-item">
                                    <label class="filter-mobile-label d-md-none">Domain</label>
                                    <div class="filter-select">
                                        <select class="form-control" id="domain" name="domain">
                                            <!-- Will be populated by JavaScript -->
                                        </select>
                                        <i class="fas fa-chevron-down select-arrow"></i>
                                    </div>
                                </div>

                                <!-- Add Subdomain Filter -->
                                <div class="col filter-item">
                                    <label class="filter-mobile-label d-md-none">Subdomain</label>
                                    <div class="filter-select">
                                        <select class="form-control" id="subdomain" name="subdomain" disabled>
                                            <option value="">Select Domain First</option>
                                        </select>
                                        <i class="fas fa-chevron-down select-arrow"></i>
                                    </div>
                                </div>

                                <div class="col-12 col-md-auto mt-3 mt-md-0">
                                    <button type="submit" class="btn btn-primary w-100">
                                        <i class="fas fa-filter me-2"></i>Apply
                                    </button>
                                </div>
                            </form>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Main Content -->
        <div class="card border-0">
            <div id="validateRecordings">
                <!-- Single Recording View -->
                <div id="singleRecordingView" class="single-recording-view">
                    <div id="noRecordingMessage" class="no-recordings" style="display: none;">
                        <i class="fas fa-check-circle"></i>
                        <h5>No recordings to validate</h5>
                        <p>All recordings have been reviewed for the selected language.</p>
                    </div>

                    <div id="recordingContent" style="display: none;">
                        <div class="d-flex justify-content-between align-items-center mb-4">
                            <div class="speaker-info-container">
                                <span class="badge bg-primary" id="speakerInfo"></span>
                                <span class="badge bg-info" id="genderInfo"></span>
                                <span class="badge bg-secondary" id="ageInfo"></span>
                                <span class="badge bg-light text-dark" id="stateInfo"></span>
                                <span class="badge bg-accent" id="accentInfo"></span>
                                <span class="badge bg-success" id="domainInfo"></span>
                                <span class="badge bg-warning text-dark" id="subdomainInfo"></span>
                            </div>
                        </div>

                        <!-- Add tooltip to audio player -->
                        <div class="audio-player mb-4">
                            <audio controls class="w-100" preload="auto" 

                                   data-bs-toggle="tooltip" data-bs-placement="top" 

                                   title="Press 'Space' to Play/Pause"></audio>
                        </div>

                        <div class="transcript-box mb-4">
                            <div class="p-2 bg-light rounded" id="transcriptionText"></div>
                        </div>

                        <div class="validation-actions">
                            <button class="btn btn-success" onclick="verifyRecording(true)" 

                                    title="Accept Recording (A)">
                                <i class="fas fa-check me-2"></i>Accept
                            </button>
                            <button class="btn btn-danger" onclick="verifyRecording(false)"

                                    title="Reject Recording (R)">
                                <i class="fas fa-times me-2"></i>Reject
                            </button>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Add keyboard shortcuts help modal -->
        <div class="modal fade" id="shortcutsModal" tabindex="-1">
            <div class="modal-dialog modal-dialog-centered">
                <div class="modal-content">
                    <div class="modal-header">
                        <h5 class="modal-title">Keyboard Shortcuts</h5>
                        <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                    </div>
                    <div class="modal-body">
                        <div class="shortcuts-list">
                            <div class="shortcut-item">
                                <kbd>Space</kbd>
                                <span>Play/Pause audio</span>
                            </div>
                            <div class="shortcut-item">
                                <kbd>A</kbd>
                                <span>Accept recording</span>
                            </div>
                            <div class="shortcut-item">
                                <kbd>R</kbd>
                                <span>Reject recording</span>
                            </div>
                            <div class="shortcut-item">
                                <kbd>?</kbd>
                                <span>Show/hide keyboard shortcuts</span>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Include Bootstrap JS for modal -->
        <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"></script>
        
        <script>

            let currentRecording = null;

            

            // Initialize tooltips

            document.addEventListener('DOMContentLoaded', function() {

                var tooltipTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="tooltip"]'))

                var tooltipList = tooltipTriggerList.map(function (tooltipTriggerEl) {

                    return new bootstrap.Tooltip(tooltipTriggerEl, {

                        trigger: 'hover'  // Show tooltip on hover

                    })

                })

            });



            // Update keyboard event listener

            document.addEventListener('keydown', function(event) {

                if (!currentRecording) return;

                

                // Ignore keyboard shortcuts if user is typing in an input or textarea

                if (event.target.tagName === 'INPUT' || event.target.tagName === 'TEXTAREA') return;

                

                // Ignore if focus is on a button

                if (event.target.tagName === 'BUTTON') return;

                

                const audio = document.querySelector('#recordingContent audio');

                

                switch(event.key.toLowerCase()) {

                    case ' ': // Space key

                        event.preventDefault(); // Prevent space from triggering buttons

                        if (audio.paused) {

                            audio.play();

                        } else {

                            audio.pause();

                        }

                        break;

                    case 'a': // Accept

                        event.preventDefault();

                        verifyRecording(true);

                        break;

                    case 'r': // Reject

                        event.preventDefault();

                        verifyRecording(false);

                        break;

                }

            });



            // Add diagnostic logging function

            function logFilterSelection(language, domain, subdomain) {

                console.log(`Applied filters - Language: ${language || 'All'}, Domain: ${domain || 'All'}, Subdomain: ${subdomain || 'All'}`);

            }



            // Update the filter form submission handler with logging

            document.getElementById('filterForm').addEventListener('submit', (e) => {

                e.preventDefault();

                const language = document.getElementById('language').value;

                const domain = document.getElementById('domain').value;

                const subdomain = document.getElementById('subdomain').value;

                

                logFilterSelection(language, domain, subdomain);

                

                if (language) {

                    loadNextRecording();

                }

            });



            async function loadDomains() {

                try {

                    const response = await fetch('/domains');

                    const data = await response.json();

                    

                    const domainSelect = document.getElementById('domain');

                    domainSelect.innerHTML = '<option value="">All Domains</option>'; // Option to not filter by domain

                    

                    if (data.status === 'success' && data.domains) {

                        // Add domain options

                        Object.entries(data.domains).forEach(([code, name]) => {

                            const option = document.createElement('option');

                            option.value = code;

                            option.textContent = `${name} (${code})`;

                            domainSelect.appendChild(option);

                        });

                    }

                } catch (error) {

                    console.error('Error loading domains:', error);

                }

            }



            async function loadSubdomains(domainCode) {

                try {

                    const subdomainSelect = document.getElementById('subdomain');

                    

                    if (!domainCode) {

                        subdomainSelect.innerHTML = '<option value="">All Subdomains</option>';

                        subdomainSelect.disabled = true;

                        return;

                    }

                    

                    subdomainSelect.innerHTML = '<option value="">Loading...</option>';

                    subdomainSelect.disabled = true;

                    

                    const response = await fetch(`/domains/${domainCode}/subdomains`);

                    const data = await response.json();

                    

                    subdomainSelect.innerHTML = '<option value="">All Subdomains</option>'; // Option to not filter by subdomain

                    

                    if (data.status === 'success' && data.subdomains) {

                        data.subdomains.forEach(subdomain => {

                            const option = document.createElement('option');

                            option.value = subdomain.mnemonic;

                            option.textContent = `${subdomain.name} (${subdomain.mnemonic})`;

                            subdomainSelect.appendChild(option);

                        });

                        

                        subdomainSelect.disabled = false;

                    }

                } catch (error) {

                    console.error('Error loading subdomains:', error);

                    const subdomainSelect = document.getElementById('subdomain');

                    subdomainSelect.innerHTML = '<option value="">Error loading</option>';

                }

            }



            async function loadNextRecording() {

                try {

                    const language = document.getElementById('language').value;

                    const domain = document.getElementById('domain').value;

                    const subdomain = document.getElementById('subdomain').value;

                    

                    // Skip the API call if no language is selected yet

                    if (!language) return;

                    

                    logFilterSelection(language, domain, subdomain);



                    // Build the URL with query parameters for domain and subdomain

                    let url = `/validation/api/next_recording?language=${language}`;

                    if (domain) url += `&domain=${domain}`;

                    if (subdomain) url += `&subdomain=${subdomain}`;



                    console.log(`Requesting recordings with URL: ${url}`);



                    // Show loading state

                    document.getElementById('recordingContent').innerHTML = `

                        <div class="text-center p-5">

                            <div class="spinner-border text-primary" role="status">

                                <span class="visually-hidden">Loading...</span>

                            </div>

                            <p class="mt-3">Loading recording...</p>

                        </div>

                    `;



                    const response = await fetch(url);

                    const data = await response.json();

                    

                    if (!response.ok) {

                        throw new Error(data.error || 'Failed to load recording');

                    }

                    

                    if (data.status === 'no_recordings') {

                        let message = 'No recordings available for validation';

                        if (domain) message += ` in domain "${domain}"`;

                        if (subdomain) message += ` and subdomain "${subdomain}"`;

                        

                        document.getElementById('noRecordingMessage').innerHTML = `

                            <i class="fas fa-check-circle"></i>

                            <h5>No recordings to validate</h5>

                            <p>${message}</p>

                        `;

                        document.getElementById('noRecordingMessage').style.display = 'block';

                        document.getElementById('recordingContent').style.display = 'none';

                        currentRecording = null;

                        return;

                    }

                    

                    currentRecording = data.recording;

                    if (!currentRecording || !currentRecording.audio_path) {

                        throw new Error('Invalid recording data received');

                    }



                    document.getElementById('noRecordingMessage').style.display = 'none';

                    document.getElementById('recordingContent').style.display = 'block';

                    

                    // Reset the content

                    document.getElementById('recordingContent').innerHTML = `

                        <div class="d-flex justify-content-between align-items-center mb-4">

                            <div class="speaker-info-container">

                                <span class="badge bg-primary" id="speakerInfo"></span>

                                <span class="badge bg-info" id="genderInfo"></span>

                                <span class="badge bg-secondary" id="ageInfo"></span>

                                <span class="badge bg-light text-dark" id="stateInfo"></span>

                                <span class="badge bg-accent" id="accentInfo"></span>

                                <span class="badge bg-success" id="domainInfo"></span>

                                <span class="badge bg-warning text-dark" id="subdomainInfo"></span>

                            </div>

                        </div>



                        <div class="audio-player mb-4">

                            <audio controls class="w-100" preload="auto" 

                                   data-bs-toggle="tooltip" data-bs-placement="top" 

                                   title="Press 'Space' to Play/Pause"></audio>

                        </div>



                        <div class="transcript-box mb-4">

                            <div class="p-2 bg-light rounded" id="transcriptionText"></div>

                        </div>



                        <div class="validation-actions">

                            <button class="btn btn-success" onclick="verifyRecording(true)" 

                                    title="Accept Recording (A)">

                                <i class="fas fa-check me-2"></i>Accept

                            </button>

                            <button class="btn btn-danger" onclick="verifyRecording(false)"

                                    title="Reject Recording (R)">

                                <i class="fas fa-times me-2"></i>Reject

                            </button>

                        </div>

                    `;

                    

                    // Update UI with recording details

                    const audio = document.querySelector('#recordingContent audio');

                    audio.src = `/validation/api/audio/${currentRecording.audio_path}`;

                    

                    document.getElementById('transcriptionText').textContent = 

                        currentRecording.transcription_text || 'No transcription available';

                    document.getElementById('speakerInfo').textContent = 

                        `${currentRecording.speaker_name || 'Unknown'}`;

                    document.getElementById('genderInfo').textContent = 

                        currentRecording.gender || 'Gender: Unknown';

                    document.getElementById('ageInfo').textContent = 

                        currentRecording.age_group || 'Age: Unknown';

                    document.getElementById('stateInfo').textContent = 

                        currentRecording.state || 'State: Unknown';

                    document.getElementById('accentInfo').textContent = 

                        currentRecording.accent || 'Accent: Unknown';

                    

                    // Add domain and subdomain information

                    if (currentRecording.domain) {

                        document.getElementById('domainInfo').textContent = `Domain: ${currentRecording.domain}`;

                        document.getElementById('domainInfo').style.display = 'inline-block';

                    } else {

                        document.getElementById('domainInfo').style.display = 'none';

                    }

                    

                    if (currentRecording.subdomain) {

                        document.getElementById('subdomainInfo').textContent = `Subdomain: ${currentRecording.subdomain}`;

                        document.getElementById('subdomainInfo').style.display = 'inline-block';

                    } else {

                        document.getElementById('subdomainInfo').style.display = 'none';

                    }

                    

                    // Re-initialize tooltips

                    var tooltipTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="tooltip"]'))

                    tooltipTriggerList.map(function (tooltipTriggerEl) {

                        return new bootstrap.Tooltip(tooltipTriggerEl, {

                            trigger: 'hover'

                        })

                    })

                } catch (error) {

                    console.error('Error loading next recording:', error);

                    document.getElementById('noRecordingMessage').style.display = 'block';

                    document.getElementById('noRecordingMessage').innerHTML = `

                        <i class="fas fa-exclamation-triangle text-warning"></i>

                        <h5>Error Loading Recording</h5>

                        <p>${error.message}</p>

                    `;

                    document.getElementById('recordingContent').style.display = 'none';

                    currentRecording = null;

                }

            }



            async function verifyRecording(isAccepted) {

                if (!currentRecording) return;

                

                // Store references to all needed elements at the start

                const actionButton = document.querySelector(isAccepted ? '.btn-success' : '.btn-danger');

                const allButtons = document.querySelectorAll('.validation-actions button');

                const originalText = actionButton.innerHTML;

                

                try {

                    // Disable all buttons while processing

                    allButtons.forEach(btn => btn.disabled = true);

                    

                    // Show loading state

                    const actionText = isAccepted ? 'Accepting' : 'Rejecting';

                    actionButton.innerHTML = `<i class="fas fa-spinner fa-spin me-2"></i>${actionText}...`;

                    

                    const response = await fetch(`/validation/api/verify/${currentRecording.audio_path}`, {

                        method: 'POST',

                        headers: { 'Content-Type': 'application/json' },

                        body: JSON.stringify({ verify: isAccepted })

                    });

                    

                    if (!response.ok) throw new Error('Verification failed');

                    

                    // Load next recording

                    await loadNextRecording();

                } catch (error) {

                    console.error('Error verifying recording:', error);

                    alert('Error verifying recording. Please try again.');

                } finally {

                    // Re-enable all buttons and restore original text

                    allButtons.forEach(btn => btn.disabled = false);

                    actionButton.innerHTML = originalText;

                }

            }



            // Add domain change handler

            document.getElementById('domain').addEventListener('change', function() {

                loadSubdomains(this.value);

            });



            // Initial load

            document.addEventListener('DOMContentLoaded', function() {

                const languageSelect = document.getElementById('language');

                

                // Get user's default language

                const userDataElem = document.getElementById('validatorUserData');

                let userLanguage = '';

                if (userDataElem) {

                    try {

                        const userData = JSON.parse(userDataElem.textContent);

                        userLanguage = userData.language;

                    } catch (e) {

                        console.error('Error parsing user data:', e);

                    }

                }

                

                // Set default language if available and trigger load

                if (userLanguage && languageSelect) {

                    languageSelect.value = userLanguage;

                    // Only trigger if a language is selected

                    if (languageSelect.value) {

                        loadNextRecording();

                    }

                }



                // Load domains

                loadDomains();

            });

        </script>

        {% if session.get('user') %}
        <script type="application/json" id="validatorUserData">

            {

                "language": "{{ session.user.language|default('') }}"

            }

        </script>
        {% endif %}
    </div>
</body>
</html>