{% extends "base.html" %}

{% block title %}Channels{% endblock %}

{% block content %}
<div class="page-header">
    <h2>Channel Management</h2>
</div>

<div class="card">
    <h3>Add New Channel</h3>
    <form method="POST" action="{{ url_for('add_channel') }}" class="form">
        <div class="form-group">
            <label for="channel_id">Channel URL or ID <span class="required">*</span></label>
            <input type="text" id="channel_id" name="channel_id" required
                   placeholder="https://www.youtube.com/@AltonBrown or UCfDNi1aEljAQ17mUrfUjkvg" class="form-control">
            <small class="form-help">
                Paste any YouTube channel URL or enter the channel ID directly<br>
                <strong>Supported formats:</strong> youtube.com/@handle, youtube.com/channel/ID, youtube.com/c/name, youtube.com/user/name
            </small>
        </div>

        <div class="form-group">
            <label for="channel_name">Channel Name</label>
            <input type="text" id="channel_name" name="channel_name"
                   placeholder="Alton Brown (optional - auto-detected from URL)" class="form-control">
            <small class="form-help">Display name for the channel folder. Leave blank to auto-detect from URL.</small>
        </div>

        <button type="submit" class="btn btn-primary">Add Channel</button>
    </form>
</div>

<div class="card">
    <h3>Configured Channels</h3>
    {% if channels %}
        <div class="table-responsive">
            <table class="table">
                <thead>
                    <tr>
                        <th>Channel Name</th>
                        <th>Channel ID</th>
                        <th>Actions</th>
                    </tr>
                </thead>
                <tbody>
                    {% for channel in channels %}
                    <tr>
                        <td><strong>{{ channel.name }}</strong></td>
                        <td><code>{{ channel.id }}</code></td>
                        <td>
                            <a href="https://www.youtube.com/channel/{{ channel.id }}"
                               target="_blank" class="btn btn-sm btn-secondary">View on YouTube</a>
                            <a href="{{ url_for('delete_channel', index=loop.index0) }}"
                               class="btn btn-sm btn-danger"
                               onclick="return confirm('Delete {{ channel.name }}? Downloaded videos will not be deleted.')">Delete</a>
                        </td>
                    </tr>
                    {% endfor %}
                </tbody>
            </table>
        </div>
    {% else %}
        <div class="empty-state">
            <p>No channels configured yet. Add your first channel above to get started!</p>
        </div>
    {% endif %}
</div>

<div class="card info-card">
    <h3>How to Add Channels</h3>

    <h4>Option 1: Paste the Channel URL (Easiest)</h4>
    <ol>
        <li>Go to the YouTube channel you want to sync</li>
        <li>Copy the URL from your browser address bar</li>
        <li>Paste it into the "Channel URL or ID" field above</li>
        <li>Click "Add Channel" - the name will be detected automatically!</li>
    </ol>

    <h4>Option 2: Enter Channel ID Directly</h4>
    <p>If you have the channel ID (starts with "UC" and is 24 characters long), just paste it directly.</p>
    <p><strong>Example:</strong> <code>UCfDNi1aEljAQ17mUrfUjkvg</code></p>

    <h4>Supported URL Formats</h4>
    <ul>
        <li><code>https://www.youtube.com/@AltonBrown</code> - Modern @ handle format</li>
        <li><code>https://www.youtube.com/channel/UCfDNi1aEljAQ17mUrfUjkvg</code> - Channel ID format</li>
        <li><code>https://www.youtube.com/c/AltonBrown</code> - Custom URL format</li>
        <li><code>https://www.youtube.com/user/altonbrown</code> - Legacy user format</li>
    </ul>
</div>
{% endblock %}