{% extends "base.html" %}

{% block title %}Home{% endblock %}

{% block content %}
<div class="container">
    <h1 class="mb-4">TechTalks</h1>
    
    <!-- Sorting options -->
    <div class="mb-3">
        <label for="sort-select" class="form-label">Sort by:</label>
        <select id="sort-select" class="form-select">
            <option value="newest">Newest</option>
            <option value="oldest">Oldest</option>
            <option value="most_liked">Most Liked</option>
            <option value="most_commented">Most Commented</option>
        </select>
    </div>

    <!-- Posts container -->
    <div id="posts-container">
        {% for post in posts %}
        <div class="card mb-3" id="post-{{ post.id }}">
            <div class="card-body">
                <div class="d-flex align-items-center mb-2">
                    {% if post.author %}
                        {% if post.author.profile_picture %}
                            <img src="{{ url_for('static', filename='uploads/' + post.author.profile_picture) }}" class="rounded-circle me-2" alt="Profile Picture" style="width: 30px; height: 30px; object-fit: cover;">
                        {% else %}
                            <div class="rounded-circle me-2 d-flex justify-content-center align-items-center bg-primary" style="width: 30px; height: 30px;">
                                <span class="text-white" style="font-size: 0.8rem;">{{ post.author.username[0].upper() }}</span>
                            </div>
                        {% endif %}
                        <small class="text-muted">
                            <a href="{{ url_for('profile', username=post.author.username) }}" class="text-decoration-none">{{ post.author.username }}</a>
                        </small>
                    {% else %}
                        <small class="text-muted">{{ post.anonymous_username }}</small>
                    {% endif %}
                    <span class="ms-auto text-muted">{{ post.timestamp.strftime('%Y-%m-%d %H:%M:%S') }}</span>
                </div>
                <p class="card-text">{{ post.content|safe }}</p>
                {% if post.image_url %}
                <img src="{{ url_for('static', filename='uploads/' + post.image_url) }}" class="img-fluid mb-2 post-image" alt="Post image" data-bs-toggle="modal" data-bs-target="#imageModal{{ post.id }}">
                {% endif %}
                <div class="d-flex flex-wrap justify-content-between align-items-center">
                    <div class="btn-group mb-2">
                        <button class="btn btn-outline-primary btn-sm like-btn" data-post-id="{{ post.id }}">
                            <i class="bi bi-heart-fill"></i> Like (<span class="like-count">{{ post.likes|length }}</span>)
                        </button>
                        <button class="btn btn-outline-secondary btn-sm comment-btn" data-post-id="{{ post.id }}">
                            <i class="bi bi-chat-fill"></i> Comment ({{ post.comments|length }})
                        </button>
                    </div>
                    <div class="btn-group mb-2">
                        <a href="{{ url_for('post_detail', post_id=post.id) }}" class="btn btn-outline-info btn-sm" target="_blank">
                            <i class="bi bi-box-arrow-up-right"></i> Open in new tab
                        </a>
                        <button class="btn btn-outline-info btn-sm copy-link-btn" data-post-url="{{ url_for('post_detail', post_id=post.id, _external=True, _scheme='https') }}">
                            <i class="bi bi-link-45deg"></i> Copy Link
                        </button>
                        {% if current_user.is_authenticated and current_user.id == post.author.id %}
                        <a href="{{ url_for('edit_post', post_id=post.id) }}" class="btn btn-outline-warning btn-sm">
                            <i class="bi bi-pencil-fill"></i> Edit
                        </a>
                        {% endif %}
                    </div>
                </div>
            </div>
            <div class="comment-section" id="comment-section-{{ post.id }}" style="display: none;">
                <div class="card-body pt-0">
                    <h6 class="mb-3">Comments:</h6>
                    <ul class="list-unstyled mb-3">
                        {% for comment in post.comments %}
                            {% include 'comment.html' %}
                        {% endfor %}
                    </ul>
                    <form class="comment-form" data-post-id="{{ post.id }}">
                        <div class="input-group">
                            <input type="text" class="form-control" placeholder="Add a comment" name="content" required>
                            <button class="btn btn-outline-secondary" type="submit">Send</button>
                        </div>
                    </form>
                </div>
            </div>
        </div>
        {% endfor %}
    </div>
</div>
{% endblock %}

{% block scripts %}
{{ super() }}
<script>
document.addEventListener('DOMContentLoaded', function() {
    // Sorting functionality
    const sortSelect = document.getElementById('sort-select');
    const postsContainer = document.getElementById('posts-container');

    sortSelect.addEventListener('change', function() {
        const sortOption = this.value;

        fetch(`/sort_posts?sort=${sortOption}`)
            .then(response => response.text())
            .then(html => {
                postsContainer.innerHTML = html;
                // Reinitialize any event listeners for the new content
                initializePostInteractions();
            })
            .catch(error => console.error('Error:', error));
    });

    function initializePostInteractions() {
        // Re-initialize like buttons
        document.querySelectorAll('.like-btn').forEach(button => {
            button.addEventListener('click', handleLike);
        });

        // Re-initialize comment buttons
        document.querySelectorAll('.comment-btn').forEach(button => {
            button.addEventListener('click', handleComment);
        });

        // Re-initialize copy link buttons
        document.querySelectorAll('.copy-link-btn').forEach(button => {
            button.addEventListener('click', handleCopyLink);
        });

        // Re-initialize comment forms
        document.querySelectorAll('.comment-form').forEach(form => {
            form.addEventListener('submit', handleCommentSubmit);
        });

        // Initialize comment like buttons
        document.querySelectorAll('.like-comment-btn').forEach(button => {
            button.addEventListener('click', handleCommentLike);
        });
    }

    function handleLike(event) {
        // Implement like functionality
        var postId = this.dataset.postId;
        fetch('/like/' + postId, { method: 'POST' })
            .then(response => response.json())
            .then(data => {
                this.querySelector('.like-count').textContent = data.likes;
            });
    }

    function handleComment(event) {
        var postId = this.dataset.postId;
        var commentSection = document.getElementById('comment-section-' + postId);
        if (commentSection.style.display === 'none' || commentSection.style.display === '') {
            commentSection.style.display = 'block';
        } else {
            commentSection.style.display = 'none';
        }
    }

    function handleCommentLike(event) {
        event.preventDefault();
        var commentId = this.dataset.commentId;
        fetch('/like_comment/' + commentId, { method: 'POST' })
            .then(response => response.json())
            .then(data => {
                this.querySelector('.comment-like-count').textContent = data.likes;
            });
    }

    function handleCommentSubmit(event) {
        event.preventDefault();
        var postId = this.dataset.postId;
        var content = this.querySelector('input[name="content"]').value;
        fetch('/comment/' + postId, {
            method: 'POST',
            headers: {
                'Content-Type': 'application/x-www-form-urlencoded',
            },
            body: 'content=' + encodeURIComponent(content)
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                var commentList = document.querySelector('#comment-section-' + postId + ' ul');
                var newComment = document.createElement('li');
                newComment.innerHTML = '<strong>' + (data.username !== 'Anonymous' ? '<a href="/profile/' + data.username + '">' + data.username + '</a>' : '<span class="text-white">Anonymous</span>') + ':</strong> ' + data.content + 
                    '<button class="btn btn-sm btn-outline-primary like-comment-btn" data-comment-id="' + data.comment_id + '">' +
                    '<i class="bi bi-heart-fill"></i> (<span class="comment-like-count">0</span>)</button>';
                commentList.appendChild(newComment);
                this.querySelector('input[name="content"]').value = '';
                newComment.querySelector('.like-comment-btn').addEventListener('click', handleCommentLike);
            }
        });
    }

    function handleCopyLink(event) {
        var postUrl = this.dataset.postUrl;
        navigator.clipboard.writeText(postUrl).then(function() {
            alert('Link copied to clipboard!');
        }, function(err) {
            console.error('Could not copy text: ', err);
        });
    }

    // Initialize interactions for the initial page load
    initializePostInteractions();
});
</script>
{% endblock %}

{% block styles %}
{{ super() }}
<style>
    .comment-section {
        border-top: 1px solid rgba(0,0,0,.125);
    }
    .comment-section .card-body {
        padding-top: 1rem;
    }
</style>
{% endblock %}