{% load static %}
{% load video_filters %}

<div class="container mt-4">
    <!-- Hero Section -->
    <div class="jumbotron bg-dark text-white p-5 rounded mb-5">
        <h1 class="display-4">Welcome to YouTube Clone</h1>
        <p class="lead">Upload, share, and watch videos from creators around the world.</p>
        {% if user.is_authenticated %}
            <a href="/upload/" class="btn btn-danger btn-lg">
                <i class="fas fa-upload"></i> Upload Video
            </a>
        {% else %}
            <a href="/accounts/register/" class="btn btn-danger btn-lg">
                <i class="fas fa-user-plus"></i> Join Now
            </a>
        {% endif %}
    </div>

    <!-- Categories -->
    <section class="mb-5">
        <h2 class="mb-4">Browse by Category</h2>
        <div class="row">
            {% for category_id, category_name in categories %}
                <div class="col-md-3 mb-3">
                    <a href="/category/{{ category_id }}/" class="text-decoration-none">
                        <div class="card h-100 category-card">
                            <div class="card-body text-center">
                                <i class="fas fa-video fa-2x mb-2 text-primary"></i>
                                <h6 class="card-title">{{ category_name }}</h6>
                            </div>
                        </div>
                    </a>
                </div>
            {% endfor %}
        </div>
    </section>

    <!-- Latest Videos -->
    <section class="mb-5">
        <h2 class="mb-4">Latest Videos</h2>
        <div class="row">
            {% for video in videos %}
                <div class="col-md-4 col-lg-3 mb-4">
                    <div class="card video-card">
                        <a href="/video/{{ video.id }}/">
                            {% if video.thumbnail %}
                                <img src="{{ video.thumbnail.url }}" class="card-img-top" alt="{{ video.title }}">
                            {% else %}
                                <div class="card-img-top bg-secondary d-flex align-items-center justify-content-center" style="height: 180px;">
                                    <i class="fas fa-play-circle fa-3x text-white"></i>
                                </div>
                            {% endif %}
                        </a>
                        <div class="card-body">
                            <h6 class="card-title">
                                <a href="/video/{{ video.id }}/" class="text-decoration-none text-dark">
                                    {{ video.title|truncatechars:50 }}
                                </a>
                            </h6>
                            <p class="card-text text-muted small">
                                <a href="/accounts/channel/{{ video.uploader.username }}/" class="text-decoration-none text-muted">
                                    {{ video.uploader.username }}
                                </a>
                            </p>
                            <p class="card-text text-muted small">
                                {{ video.views }} views • {{ video.upload_date|timesince }} ago
                            </p>
                        </div>
                    </div>
                </div>
            {% empty %}
                <div class="col-12">
                    <div class="alert alert-info">
                        <h4>No videos yet!</h4>
                        <p>Be the first to upload a video and start sharing your content.</p>
                        {% if user.is_authenticated %}
                            <a href="/upload/" class="btn btn-primary">Upload Your First Video</a>
                        {% else %}
                            <a href="/accounts/register/" class="btn btn-primary">Sign Up to Upload</a>
                        {% endif %}
                    </div>
                </div>
            {% endfor %}
        </div>
    </section>

    <!-- Category Videos -->
    {% for category_id, videos_list in category_videos.items %}
        {% if videos_list %}
            <section class="mb-5">
                <h3 class="mb-4">{{ categories|lookup:category_id }}</h3>
                <div class="row">
                    {% for video in videos_list %}
                        <div class="col-md-4 col-lg-2 mb-3">
                            <div class="card video-card small-video">
                                <a href="/video/{{ video.id }}/">
                                    {% if video.thumbnail %}
                                        <img src="{{ video.thumbnail.url }}" class="card-img-top" alt="{{ video.title }}">
                                    {% else %}
                                        <div class="card-img-top bg-secondary d-flex align-items-center justify-content-center" style="height: 100px;">
                                            <i class="fas fa-play-circle fa-2x text-white"></i>
                                        </div>
                                    {% endif %}
                                </a>
                                <div class="card-body p-2">
                                    <h6 class="card-title small">
                                        <a href="/video/{{ video.id }}/" class="text-decoration-none text-dark">
                                            {{ video.title|truncatechars:30 }}
                                        </a>
                                    </h6>
                                    <p class="card-text text-muted small mb-0">
                                        {{ video.views }} views
                                    </p>
                                </div>
                            </div>
                        </div>
                    {% endfor %}
                </div>
                <div class="text-center mt-3">
                    <a href="/category/{{ category_id }}/" class="btn btn-outline-primary">
                        View More {{ categories|lookup:category_id }} Videos
                    </a>
                </div>
            </section>
        {% endif %}
    {% endfor %}
</div>