{% extends "base.html" %}

{% block title %}Dashboard - Telegram to YouTube Uploader{% endblock %}

{% block content %}
<h2>Dashboard</h2>

<!-- Configuration Section -->
<div class="card mb-4">
  <div class="card-header">
    <h5>Configuration</h5>
  </div>
  <div class="card-body">
    <form id="configForm">
      <div class="row">
        <div class="col-md-6 mb-3">
          <label for="telegram_channel_username" class="form-label">Telegram Channel Username *</label>
          <input type="text" class="form-control" id="telegram_channel_username" name="telegram_channel_username" value="{{ config.TELEGRAM_CHANNEL_USERNAME or '' }}" placeholder="@your_channel">
          <div class="form-text">The username of the Telegram channel to monitor (e.g., @mychannel).</div>
        </div>
        <div class="col-md-6 mb-3">
          <label for="youtube_title_prefix" class="form-label">YouTube Title Prefix</label>
          <input type="text" class="form-control" id="youtube_title_prefix" name="youtube_title_prefix" value="{{ config.YOUTUBE_TITLE_PREFIX or '[TG2YT] ' }}">
          <div class="form-text">Text to prepend to the Telegram video caption for the YouTube title.</div>
        </div>
      </div>
      <div class="mb-3">
        <label for="youtube_description_template" class="form-label">YouTube Description Template</label>
        <textarea class="form-control" id="youtube_description_template" name="youtube_description_template" rows="2">{{ config.YOUTUBE_DESCRIPTION_TEMPLATE or 'Video automatically uploaded from Telegram.' }}</textarea>
        <div class="form-text">Base description for uploaded videos. Original Telegram post link and caption will be appended.</div>
      </div>
      <div class="row">
        <div class="col-md-6 mb-3">
          <label for="youtube_tags" class="form-label">YouTube Tags</label>
          <input type="text" class="form-control" id="youtube_tags" name="youtube_tags" value="{{ config.YOUTUBE_TAGS or 'telegram,upload,automation' }}">
          <div class="form-text">Comma-separated list of tags for YouTube videos.</div>
        </div>
        <div class="col-md-3 mb-3">
          <label for="youtube_category_id" class="form-label">YouTube Category ID</label>
          <input type="text" class="form-control" id="youtube_category_id" name="youtube_category_id" value="{{ config.YOUTUBE_CATEGORY_ID or '22' }}">
          <div class="form-text">Numeric ID for the YouTube video category (22 = People & Blogs).</div>
        </div>
        <div class="col-md-3 mb-3">
          <label for="youtube_privacy_status" class="form-label">YouTube Privacy Status</label>
          <select class="form-select" id="youtube_privacy_status" name="youtube_privacy_status">
            <option value="private" {% if (config.YOUTUBE_PRIVACY_STATUS or 'private') == 'private' %}selected{% endif %}>Private</option>
            <option value="public" {% if (config.YOUTUBE_PRIVACY_STATUS or 'private') == 'public' %}selected{% endif %}>Public</option>
            <option value="unlisted" {% if (config.YOUTUBE_PRIVACY_STATUS or 'private') == 'unlisted' %}selected{% endif %}>Unlisted</option>
          </select>
          <div class="form-text">Initial privacy setting for uploaded videos.</div>
        </div>
      </div>
      <button type="submit" class="btn btn-primary" id="saveConfigBtn">Save Configuration</button>
      <div id="configSaveStatus" class="mt-2"></div>
    </form>
  </div>
</div>

<!-- Existing Status and Control Sections -->
<div class="row">
    <div class="col-md-6">
        <div class="card status-card">
            <div class="card-header">
                <h5>Authentication Status</h5>
            </div>
            <div class="card-body">
                <p><strong>YouTube:</strong>
                    {% if status.youtube_authenticated %}
                        <span class="badge bg-success">Authenticated</span>
                         <a href="{{ url_for('youtube_auth') }}" class="btn btn-sm btn-outline-primary">Re-authenticate</a>
                    {% else %}
                        <span class="badge bg-warning text-dark">Not Authenticated</span>
                         <a href="{{ url_for('youtube_auth') }}" class="btn btn-sm btn-primary">Authenticate</a>
                    {% endif %}
                </p>
                <p><strong>Telegram:</strong>
                    {% if status.telegram_authenticated %}
                        <span class="badge bg-success">Connected</span>
                        <a href="{{ url_for('telegram_auth') }}" class="btn btn-sm btn-outline-primary">Re-authenticate</a>
                    {% else %}
                        <span class="badge bg-warning text-dark">Not Connected</span>
                        <a href="{{ url_for('telegram_auth') }}" class="btn btn-sm btn-primary">Connect</a>
                    {% endif %}
                </p>
            </div>
        </div>

        <div class="card status-card">
            <div class="card-header">
                <h5>Processing Control</h5>
            </div>
            <div class="card-body">
                <form id="startForm">
                    <div class="mb-3">
                        <label for="limit" class="form-label">Batch Size (Videos per batch)</label>
                        <input type="number" class="form-control" id="limit" name="limit" value="5" min="1" max="50">
                    </div>
                    <button type="submit" class="btn btn-success" id="startBtn" {% if status.is_running %}disabled{% endif %}>Start Processing</button>
                    <button type="button" class="btn btn-danger" id="stopBtn" {% if not status.is_running %}disabled{% endif %}>Stop Processing</button>
                </form>
            </div>
        </div>
    </div>

    <div class="col-md-6">
        <div class="card status-card">
            <div class="card-header">
                <h5>Current Status</h5>
            </div>
            <div class="card-body">
                <p><strong>Running:</strong>
                    {% if status.is_running %}
                        <span class="badge bg-success">Yes</span>
                    {% else %}
                        <span class="badge bg-secondary">No</span>
                    {% endif %}
                </p>
                <p><strong>Current Batch:</strong> {{ status.current_batch }}</p>
                <p><strong>Processed in Session:</strong> {{ status.processed_count }}</p>
                <p><strong>Failed in Session:</strong> {{ status.failed_count }}</p>
                <p><strong>Total Processed (Ever):</strong> {{ status.total_processed }}</p>
                 <div id="confirmationArea">
                    <!-- Confirmation prompt will be inserted here by JavaScript -->
                 </div>
            </div>
        </div>
    </div>
</div>

<div class="row mt-4">
    <div class="col-12">
        <div class="card">
            <div class="card-header d-flex justify-content-between align-items-center">
                <h5>Processing Logs</h5>
                <button class="btn btn-sm btn-outline-secondary" id="clearLogsBtn">Clear Logs</button>
            </div>
            <div class="card-body">
                <div class="log-container" id="logContainer">
                     <!-- Logs will be populated here by JavaScript -->
                </div>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block scripts %}
<script>
    // --- Configuration Saving Logic ---
    document.getElementById('configForm').addEventListener('submit', function(e) {
        e.preventDefault();
        const saveBtn = document.getElementById('saveConfigBtn');
        const statusDiv = document.getElementById('configSaveStatus');
        const originalBtnText = saveBtn.textContent;

        saveBtn.disabled = true;
        saveBtn.textContent = 'Saving...';
        statusDiv.innerHTML = '<div class="spinner-border spinner-border-sm" role="status"><span class="visually-hidden">Saving...</span></div>';

        const formData = new FormData(this);

        fetch('/save_config', {
            method: 'POST',
            body: formData
        })
        .then(response => {
            if (!response.ok) {
                return response.json().then(err => { throw new Error(err.message || 'Network response was not ok'); });
            }
            return response.json();
        })
        .then(data => {
            if (data.success) {
                statusDiv.innerHTML = '<div class="alert alert-success alert-dismissible fade show" role="alert">Configuration saved successfully!<button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button></div>';
                 // Optionally, re-fetch status to update any dependent UI elements if needed
                 // updateStatus(); // If you add config status checks to the main status endpoint
            } else {
                statusDiv.innerHTML = `<div class="alert alert-danger alert-dismissible fade show" role="alert">Error saving configuration: ${data.message}<button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button></div>`;
            }
        })
        .catch(error => {
            console.error('Error:', error);
            statusDiv.innerHTML = `<div class="alert alert-danger alert-dismissible fade show" role="alert">Error saving configuration: ${error.message}<button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button></div>`;
        })
        .finally(() => {
            saveBtn.disabled = false;
            saveBtn.textContent = originalBtnText;
            // Auto-hide success message after a few seconds
            const successAlert = statusDiv.querySelector('.alert-success');
            if (successAlert) {
                setTimeout(() => {
                    if (successAlert.parentNode === statusDiv) { // Check if still present
                         successAlert.remove();
                    }
                }, 3000);
            }
        });
    });

    // --- Existing Status and Control Logic ---
    let isWaitingForConfirmation = false;

    function updateStatus() {
        fetch('/status')
            .then(response => response.json())
            .then(data => {
                // Update status indicators
                document.getElementById('startBtn').disabled = data.is_running;
                document.getElementById('stopBtn').disabled = !data.is_running;

                // Update log container
                const logContainer = document.getElementById('logContainer');
                logContainer.innerHTML = '';
                data.logs.forEach(log => {
                    const logEntry = document.createElement('div');
                    logEntry.textContent = `[${log.timestamp}] ${log.level}: ${log.message}`;
                    logEntry.classList.add('mb-1');
                    if (log.level === 'ERROR') logEntry.classList.add('text-danger');
                    else if (log.level === 'WARNING') logEntry.classList.add('text-warning');
                    logContainer.appendChild(logEntry);
                });
                logContainer.scrollTop = logContainer.scrollHeight; // Auto-scroll to bottom

                // Handle confirmation prompt
                const confirmationArea = document.getElementById('confirmationArea');
                if (data.waiting_for_confirmation && !isWaitingForConfirmation) {
                    isWaitingForConfirmation = true;
                    confirmationArea.innerHTML = `
                        <div class="alert alert-info confirmation-prompt" role="alert">
                            <strong>Confirmation Needed:</strong> ${data.confirmation_message}
                            <div class="mt-2">
                                <button class="btn btn-sm btn-success confirm-btn" data-action="continue">Continue</button>
                                <button class="btn btn-sm btn-secondary confirm-btn" data-action="stop">Stop</button>
                            </div>
                        </div>
                    `;
                } else if (!data.waiting_for_confirmation && isWaitingForConfirmation) {
                    isWaitingForConfirmation = false;
                    confirmationArea.innerHTML = ''; // Clear prompt
                }

            })
            .catch(error => console.error('Error fetching status:', error));
    }

    // Initial update
    updateStatus();
    // Update status every 2 seconds
    const statusInterval = setInterval(updateStatus, 2000);

    // Event Listeners for Processing Control
    document.getElementById('startForm').addEventListener('submit', function(e) {
        e.preventDefault();
        const formData = new FormData(this);
        fetch('/start_processing', {
            method: 'POST',
            body: formData
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                // updateStatus(); // Will be updated by interval
                // Provide immediate feedback
                const startBtn = document.getElementById('startBtn');
                startBtn.disabled = true;
            } else {
                alert(data.message);
            }
        })
        .catch(error => console.error('Error starting processing:', error));
    });

    document.getElementById('stopBtn').addEventListener('click', function() {
        fetch('/stop_processing', {
            method: 'POST'
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                // updateStatus(); // Will be updated by interval
                 // Provide immediate feedback
                const stopBtn = document.getElementById('stopBtn');
                stopBtn.disabled = true;
            } else {
                alert(data.message);
            }
        })
        .catch(error => console.error('Error stopping processing:', error));
    });

    document.getElementById('clearLogsBtn').addEventListener('click', function() {
        fetch('/clear_logs', {
            method: 'POST'
        })
        .then(response => response.json())
        .then(data => {
             if (data.success) {
                 const logContainer = document.getElementById('logContainer');
                 logContainer.innerHTML = '';
             }
        })
        .catch(error => console.error('Error clearing logs:', error));
    });

    // Confirmation buttons (using event delegation)
    document.addEventListener('click', function(e) {
        if (e.target.classList.contains('confirm-btn')) {
            const action = e.target.getAttribute('data-action');
            fetch('/batch_confirmation', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/x-www-form-urlencoded',
                },
                body: `action=${action}`
            })
            .then(response => response.json())
            .then(data => {
                if (data.success) {
                    // updateStatus(); // Will be updated by interval
                    // Optionally, clear the prompt immediately
                    document.getElementById('confirmationArea').innerHTML = '';
                    isWaitingForConfirmation = false;
                } else {
                    alert(data.message);
                }
            })
            .catch(error => console.error('Error sending confirmation:', error));
        }
    });

    // Clear interval on page unload (optional, good practice)
    window.addEventListener('beforeunload', () => {
         clearInterval(statusInterval);
    });

</script>
{% endblock %}