{% extends 'admin/base.html' %}
{% load static %}

{% block title %}Analytics Blog - {{ post.judul }}{% endblock %}
{% block page_title %}Analytics Blog{% endblock %}

{% block extra_css %}
<style>
    .stat-card {
        background: white;
        border-radius: 8px;
        padding: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
        font-weight: bold;
        color: #1f2937;
    }
    
    .stat-label {
        font-size: 0.875rem;
        color: #6b7280;
        margin-top: 0.25rem;
    }
    
    .chart-container {
        height: 300px;
        background: white;
        border-radius: 8px;
        padding: 1.5rem;
    }
    
    .analytics-table {
        background: white;
        border-radius: 8px;
        overflow: hidden;
    }
    
    .analytics-table th {
        background: #f8fafc;
        padding: 0.75rem 1rem;
        text-align: left;
        font-weight: 600;
        color: #374151;
        border-bottom: 1px solid #e5e7eb;
    }
    
    .analytics-table td {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid #f3f4f6;
    }
    
    .analytics-table tr:hover {
        background: #f9fafb;
    }
    
    .rating-stars {
        display: flex;
        space-x: 0.125rem;
    }
    
    .rating-star {
        color: #fbbf24;
    }
    
    .rating-star.empty {
        color: #d1d5db;
    }
    
    .user-avatar {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: #e5e7eb;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.875rem;
        font-weight: 500;
        color: #6b7280;
    }
    
    .trend-up {
        color: #10b981;
    }
    
    .trend-down {
        color: #ef4444;
    }
    
    .trend-neutral {
        color: #6b7280;
    }
    
    .filter-tabs {
        display: flex;
        space-x: 0.5rem;
        margin-bottom: 1rem;
    }
    
    .filter-tab {
        padding: 0.5rem 1rem;
        border-radius: 6px;
        font-size: 0.875rem;
        font-weight: 500;
        cursor: pointer;
        transition: all 0.2s;
    }
    
    .filter-tab.active {
        background: #3b82f6;
        color: white;
    }
    
    .filter-tab:not(.active) {
        background: #f3f4f6;
        color: #6b7280;
    }
    
    .filter-tab:not(.active):hover {
        background: #e5e7eb;
    }
</style>
{% endblock %}

{% block content %}
<div class="space-y-6">
    <!-- Header -->
    <div class="flex justify-between items-center">
        <div>
            <h1 class="text-2xl font-bold text-gray-900">Analytics Blog</h1>
            <p class="text-gray-600 mt-1">{{ post.judul }}</p>
        </div>
        <div class="flex space-x-3">
            <a href="{% url 'admin_panel:blog_detail' post.pk %}" 
               class="inline-flex items-center px-4 py-2 border border-gray-300 text-sm font-medium rounded-md text-gray-700 bg-white hover:bg-gray-50">
                <i class="fas fa-arrow-left mr-2"></i>
                Kembali ke Detail
            </a>
            <button onclick="exportAnalytics()" 
                    class="inline-flex items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md text-white bg-green-600 hover:bg-green-700">
                <i class="fas fa-download mr-2"></i>
                Export Data
            </button>
        </div>
    </div>

    <!-- Overview Stats -->
    <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6">
        <div class="stat-card">
            <div class="stat-number">{{ total_views }}</div>
            <div class="stat-label">Total Views</div>
            <div class="text-sm text-green-600 mt-1">
                <i class="fas fa-arrow-up mr-1"></i>
                +{{ views_growth }}% dari bulan lalu
            </div>
        </div>
        
        <div class="stat-card">
            <div class="stat-number">{{ total_likes }}</div>
            <div class="stat-label">Total Likes</div>
            <div class="text-sm text-green-600 mt-1">
                <i class="fas fa-arrow-up mr-1"></i>
                +{{ likes_growth }}% dari bulan lalu
            </div>
        </div>
        
        <div class="stat-card">
            <div class="stat-number">{{ total_bookmarks }}</div>
            <div class="stat-label">Total Bookmarks</div>
            <div class="text-sm text-green-600 mt-1">
                <i class="fas fa-arrow-up mr-1"></i>
                +{{ bookmarks_growth }}% dari bulan lalu
            </div>
        </div>
        
        <div class="stat-card">
            <div class="stat-number">{{ average_rating|floatformat:1 }}</div>
            <div class="stat-label">Average Rating</div>
            <div class="text-sm text-gray-600 mt-1">
                dari {{ total_ratings }} rating
            </div>
        </div>
    </div>

    <!-- Charts -->
    <div class="grid grid-cols-1 lg:grid-cols-2 gap-6">
        <!-- Views Over Time -->
        <div class="chart-container">
            <h3 class="text-lg font-medium text-gray-900 mb-4">Views Over Time</h3>
            <canvas id="viewsChart"></canvas>
        </div>
        
        <!-- Engagement Metrics -->
        <div class="chart-container">
            <h3 class="text-lg font-medium text-gray-900 mb-4">Engagement Metrics</h3>
            <canvas id="engagementChart"></canvas>
        </div>
    </div>

    <!-- Detailed Analytics -->
    <div class="grid grid-cols-1 lg:grid-cols-2 gap-6">
        <!-- Recent Views -->
        <div class="analytics-table">
            <div class="px-6 py-4 border-b border-gray-200">
                <h3 class="text-lg font-medium text-gray-900">Recent Views</h3>
            </div>
            <div class="overflow-x-auto">
                <table class="w-full">
                    <thead>
                        <tr>
                            <th>User</th>
                            <th>IP Address</th>
                            <th>Date</th>
                            <th>Duration</th>
                        </tr>
                    </thead>
                    <tbody>
                        {% for view in recent_views %}
                        <tr>
                            <td>
                                <div class="flex items-center">
                                    <div class="user-avatar mr-3">
                                        {% if view.user %}
                                            {{ view.user.username|first|upper }}
                                        {% else %}
                                            A
                                        {% endif %}
                                    </div>
                                    <div>
                                        <div class="font-medium text-gray-900">
                                            {% if view.user %}
                                                {{ view.user.get_full_name|default:view.user.username }}
                                            {% else %}
                                                Anonymous
                                            {% endif %}
                                        </div>
                                    </div>
                                </div>
                            </td>
                            <td class="text-sm text-gray-600">{{ view.ip_address }}</td>
                            <td class="text-sm text-gray-600">{{ view.created_at|date:"d M Y H:i" }}</td>
                            <td class="text-sm text-gray-600">
                                {% if view.duration %}
                                    {{ view.duration }}s
                                {% else %}
                                    -
                                {% endif %}
                            </td>
                        </tr>
                        {% empty %}
                        <tr>
                            <td colspan="4" class="text-center py-8 text-gray-500">
                                Belum ada data views
                            </td>
                        </tr>
                        {% endfor %}
                    </tbody>
                </table>
            </div>
        </div>

        <!-- Recent Likes -->
        <div class="analytics-table">
            <div class="px-6 py-4 border-b border-gray-200">
                <h3 class="text-lg font-medium text-gray-900">Recent Likes</h3>
            </div>
            <div class="overflow-x-auto">
                <table class="w-full">
                    <thead>
                        <tr>
                            <th>User</th>
                            <th>Date</th>
                            <th>Action</th>
                        </tr>
                    </thead>
                    <tbody>
                        {% for like in recent_likes %}
                        <tr>
                            <td>
                                <div class="flex items-center">
                                    <div class="user-avatar mr-3">
                                        {{ like.user.username|first|upper }}
                                    </div>
                                    <div>
                                        <div class="font-medium text-gray-900">
                                            {{ like.user.get_full_name|default:like.user.username }}
                                        </div>
                                    </div>
                                </div>
                            </td>
                            <td class="text-sm text-gray-600">{{ like.created_at|date:"d M Y H:i" }}</td>
                            <td>
                                <span class="inline-flex items-center px-2 py-1 rounded-full text-xs font-medium bg-red-100 text-red-800">
                                    <i class="fas fa-heart mr-1"></i>
                                    Liked
                                </span>
                            </td>
                        </tr>
                        {% empty %}
                        <tr>
                            <td colspan="3" class="text-center py-8 text-gray-500">
                                Belum ada data likes
                            </td>
                        </tr>
                        {% endfor %}
                    </tbody>
                </table>
            </div>
        </div>
    </div>

    <!-- Ratings & Comments -->
    <div class="grid grid-cols-1 lg:grid-cols-2 gap-6">
        <!-- Recent Ratings -->
        <div class="analytics-table">
            <div class="px-6 py-4 border-b border-gray-200">
                <h3 class="text-lg font-medium text-gray-900">Recent Ratings</h3>
            </div>
            <div class="overflow-x-auto">
                <table class="w-full">
                    <thead>
                        <tr>
                            <th>User</th>
                            <th>Rating</th>
                            <th>Date</th>
                        </tr>
                    </thead>
                    <tbody>
                        {% for rating in recent_ratings %}
                        <tr>
                            <td>
                                <div class="flex items-center">
                                    <div class="user-avatar mr-3">
                                        {{ rating.user.username|first|upper }}
                                    </div>
                                    <div>
                                        <div class="font-medium text-gray-900">
                                            {{ rating.user.get_full_name|default:rating.user.username }}
                                        </div>
                                    </div>
                                </div>
                            </td>
                            <td>
                                <div class="rating-stars">
                                    {% for i in "12345" %}
                                        <i class="fas fa-star rating-star {% if forloop.counter > rating.rating %}empty{% endif %}"></i>
                                    {% endfor %}
                                    <span class="ml-2 text-sm text-gray-600">{{ rating.rating }}/5</span>
                                </div>
                            </td>
                            <td class="text-sm text-gray-600">{{ rating.created_at|date:"d M Y H:i" }}</td>
                        </tr>
                        {% empty %}
                        <tr>
                            <td colspan="3" class="text-center py-8 text-gray-500">
                                Belum ada data ratings
                            </td>
                        </tr>
                        {% endfor %}
                    </tbody>
                </table>
            </div>
        </div>

        <!-- Recent Comments -->
        <div class="analytics-table">
            <div class="px-6 py-4 border-b border-gray-200">
                <h3 class="text-lg font-medium text-gray-900">Recent Comments</h3>
            </div>
            <div class="overflow-x-auto">
                <table class="w-full">
                    <thead>
                        <tr>
                            <th>User</th>
                            <th>Comment</th>
                            <th>Date</th>
                            <th>Status</th>
                        </tr>
                    </thead>
                    <tbody>
                        {% for comment in recent_comments %}
                        <tr>
                            <td>
                                <div class="flex items-center">
                                    <div class="user-avatar mr-3">
                                        {{ comment.nama|first|upper }}
                                    </div>
                                    <div>
                                        <div class="font-medium text-gray-900">{{ comment.nama }}</div>
                                        <div class="text-sm text-gray-500">{{ comment.email }}</div>
                                    </div>
                                </div>
                            </td>
                            <td class="text-sm text-gray-600 max-w-xs truncate">{{ comment.konten }}</td>
                            <td class="text-sm text-gray-600">{{ comment.created_at|date:"d M Y H:i" }}</td>
                            <td>
                                <span class="inline-flex items-center px-2 py-1 rounded-full text-xs font-medium 
                                             {% if comment.is_approved %}bg-green-100 text-green-800{% else %}bg-yellow-100 text-yellow-800{% endif %}">
                                    {% if comment.is_approved %}
                                        <i class="fas fa-check mr-1"></i>
                                        Approved
                                    {% else %}
                                        <i class="fas fa-clock mr-1"></i>
                                        Pending
                                    {% endif %}
                                </span>
                            </td>
                        </tr>
                        {% empty %}
                        <tr>
                            <td colspan="4" class="text-center py-8 text-gray-500">
                                Belum ada data comments
                            </td>
                        </tr>
                        {% endfor %}
                    </tbody>
                </table>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<script>
document.addEventListener('DOMContentLoaded', function() {
    // Views Chart
    const viewsCtx = document.getElementById('viewsChart');
    if (viewsCtx) {
        new Chart(viewsCtx.getContext('2d'), {
            type: 'line',
            data: {
                labels: {{ views_labels|safe }},
                datasets: [{
                    label: 'Views',
                    data: {{ views_data|safe }},
                    borderColor: '#3b82f6',
                    backgroundColor: 'rgba(59, 130, 246, 0.1)',
                    tension: 0.4
                }]
            },
            options: {
                responsive: true,
                maintainAspectRatio: false,
                scales: {
                    y: {
                        beginAtZero: true
                    }
                }
            }
        });
    }

    // Engagement Chart
    const engagementCtx = document.getElementById('engagementChart');
    if (engagementCtx) {
        new Chart(engagementCtx.getContext('2d'), {
            type: 'doughnut',
            data: {
                labels: ['Views', 'Likes', 'Bookmarks', 'Comments'],
                datasets: [{
                    data: [{{ total_views|default:0 }}, {{ total_likes|default:0 }}, {{ total_bookmarks|default:0 }}, {{ total_comments|default:0 }}],
                    backgroundColor: [
                        '#3b82f6',
                        '#ef4444',
                        '#10b981',
                        '#f59e0b'
                    ]
                }]
            },
            options: {
                responsive: true,
                maintainAspectRatio: false,
                plugins: {
                    legend: {
                        position: 'bottom'
                    }
                }
            }
        });
    }
});

function exportAnalytics() {
    // Create CSV data
    const csvData = [
        ['Metric', 'Value'],
        ['Total Views', {{ total_views|default:0 }}],
        ['Total Likes', {{ total_likes|default:0 }}],
        ['Total Bookmarks', {{ total_bookmarks|default:0 }}],
        ['Total Comments', {{ total_comments|default:0 }}],
        ['Average Rating', {{ average_rating|floatformat:1|default:0 }}],
        ['Total Ratings', {{ total_ratings|default:0 }}]
    ];
    
    const csvContent = csvData.map(row => row.join(',')).join('\n');
    const blob = new Blob([csvContent], { type: 'text/csv' });
    const url = window.URL.createObjectURL(blob);
    const a = document.createElement('a');
    a.href = url;
    a.download = 'blog-analytics-{{ post.slug|default:"all" }}.csv';
    a.click();
    window.URL.revokeObjectURL(url);
}
</script>
{% endblock %}