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

{% block title %}Activity Analytics - Ad-tlas{% endblock %}

{% block page_title %}Activity Analytics{% endblock %}
{% block page_description %}Comprehensive insights and analytics for system activities{% endblock %}

{% block extra_css %}
<style>
    .analytics-card {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        border-radius: 15px;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }
    
    .analytics-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, transparent 100%);
        pointer-events: none;
    }
    
    .analytics-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    }
    
    .metric-card {
        background: white;
        border-radius: 10px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        transition: all 0.3s ease;
        border-left: 4px solid #007bff;
    }
    
    .metric-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    }
    
    .chart-container {
        background: white;
        border-radius: 10px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        padding: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .filter-panel {
        background: #f8f9fa;
        border-radius: 10px;
        padding: 1.5rem;
        margin-bottom: 2rem;
        border: 1px solid #e9ecef;
    }
    
    .trend-indicator {
        font-size: 0.9rem;
        font-weight: 500;
    }
    
    .trend-up {
        color: #28a745;
    }
    
    .trend-down {
        color: #dc3545;
    }
    
    .trend-neutral {
        color: #6c757d;
    }
    
    .activity-heatmap {
        background: white;
        border-radius: 10px;
        padding: 1rem;
    }
    
    .heatmap-cell {
        width: 15px;
        height: 15px;
        border-radius: 2px;
        margin: 1px;
        display: inline-block;
        cursor: pointer;
        transition: all 0.2s ease;
    }
    
    .heatmap-cell:hover {
        transform: scale(1.2);
        border: 2px solid #007bff;
    }
    
    .heatmap-level-0 { background-color: #ebedf0; }
    .heatmap-level-1 { background-color: #c6e48b; }
    .heatmap-level-2 { background-color: #7bc96f; }
    .heatmap-level-3 { background-color: #239a3b; }
    .heatmap-level-4 { background-color: #196127; }
    
    .top-users-list {
        max-height: 400px;
        overflow-y: auto;
    }
    
    .user-activity-item {
        display: flex;
        align-items: center;
        padding: 0.75rem;
        border-bottom: 1px solid #e9ecef;
        transition: background-color 0.2s ease;
    }
    
    .user-activity-item:hover {
        background-color: #f8f9fa;
    }
    
    .user-avatar {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-weight: bold;
        margin-right: 1rem;
    }
    
    .security-score {
        font-size: 2rem;
        font-weight: bold;
        text-align: center;
    }
    
    .score-excellent { color: #28a745; }
    .score-good { color: #20c997; }
    .score-warning { color: #ffc107; }
    .score-danger { color: #dc3545; }
    
    .timeline-item {
        border-left: 3px solid #007bff;
        padding-left: 1rem;
        margin-bottom: 1rem;
        position: relative;
    }
    
    .timeline-item::before {
        content: '';
        position: absolute;
        left: -6px;
        top: 0;
        width: 9px;
        height: 9px;
        border-radius: 50%;
        background: #007bff;
    }
    
    .export-options {
        background: #f8f9fa;
        border-radius: 8px;
        padding: 1rem;
        margin-bottom: 1rem;
    }
</style>
{% endblock %}

{% block content %}
<!-- Date Range Filter -->
<div class="filter-panel">
    <form method="get" id="analytics-filter-form">
        <div class="row g-3 align-items-end">
            <div class="col-md-3">
                <label for="date_from" class="form-label">From Date</label>
                <input type="date" class="form-control" id="date_from" name="date_from" 
                       value="{{ request.GET.date_from|default:default_date_from }}">
            </div>
            <div class="col-md-3">
                <label for="date_to" class="form-label">To Date</label>
                <input type="date" class="form-control" id="date_to" name="date_to" 
                       value="{{ request.GET.date_to|default:default_date_to }}">
            </div>
            <div class="col-md-3">
                <label for="user_filter" class="form-label">User Filter</label>
                <select class="form-select" id="user_filter" name="user_filter">
                    <option value="">All Users</option>
                    {% for user in users %}
                    <option value="{{ user.id }}" {% if request.GET.user_filter == user.id|stringformat:'s' %}selected{% endif %}>
                        {{ user.get_full_name|default:user.email }}
                    </option>
                    {% endfor %}
                </select>
            </div>
            <div class="col-md-2">
                <label for="activity_type" class="form-label">Activity Type</label>
                <select class="form-select" id="activity_type" name="activity_type">
                    <option value="">All Types</option>
                    {% for activity_type in activity_types %}
                    <option value="{{ activity_type.code }}" {% if request.GET.activity_type == activity_type.code %}selected{% endif %}>
                        {{ activity_type.name }}
                    </option>
                    {% endfor %}
                </select>
            </div>
            <div class="col-md-1">
                <button type="submit" class="btn btn-primary w-100">
                    <i class="fas fa-filter"></i>
                </button>
            </div>
        </div>
        <div class="row mt-3">
            <div class="col-md-12">
                <div class="btn-group" role="group">
                    <input type="radio" class="btn-check" name="period" id="today" value="today" 
                           {% if request.GET.period == 'today' %}checked{% endif %}>
                    <label class="btn btn-outline-primary" for="today">Today</label>
                    
                    <input type="radio" class="btn-check" name="period" id="week" value="week" 
                           {% if request.GET.period == 'week' or not request.GET.period %}checked{% endif %}>
                    <label class="btn btn-outline-primary" for="week">This Week</label>
                    
                    <input type="radio" class="btn-check" name="period" id="month" value="month" 
                           {% if request.GET.period == 'month' %}checked{% endif %}>
                    <label class="btn btn-outline-primary" for="month">This Month</label>
                    
                    <input type="radio" class="btn-check" name="period" id="quarter" value="quarter" 
                           {% if request.GET.period == 'quarter' %}checked{% endif %}>
                    <label class="btn btn-outline-primary" for="quarter">This Quarter</label>
                    
                    <input type="radio" class="btn-check" name="period" id="year" value="year" 
                           {% if request.GET.period == 'year' %}checked{% endif %}>
                    <label class="btn btn-outline-primary" for="year">This Year</label>
                </div>
            </div>
        </div>
    </form>
</div>

<!-- Export Options -->
<div class="export-options">
    <div class="row align-items-center">
        <div class="col-md-6">
            <h6 class="mb-0">Export Analytics Data</h6>
        </div>
        <div class="col-md-6 text-end">
            <div class="btn-group" role="group">
                <button type="button" class="btn btn-outline-primary btn-sm" onclick="exportAnalytics('csv')">
                    <i class="fas fa-file-csv me-1"></i>CSV
                </button>
                <button type="button" class="btn btn-outline-primary btn-sm" onclick="exportAnalytics('excel')">
                    <i class="fas fa-file-excel me-1"></i>Excel
                </button>
                <button type="button" class="btn btn-outline-danger btn-sm" onclick="generateReport()">
                    <i class="fas fa-file-pdf me-1"></i>PDF Report
                </button>
            </div>
        </div>
    </div>
</div>

<!-- Key Metrics -->
<div class="row mb-4">
    <div class="col-md-3 mb-3">
        <div class="card metric-card h-100">
            <div class="card-body text-center">
                <i class="fas fa-chart-line fa-2x text-primary mb-2"></i>
                <h3 class="mb-1">{{ total_activities|default:0 }}</h3>
                <p class="text-muted mb-1">Total Activities</p>
                <small class="trend-indicator trend-{{ activities_trend.direction }}">
                    <i class="fas fa-arrow-{{ activities_trend.direction == 'up' and 'up' or 'down' }}"></i>
                    {{ activities_trend.percentage|default:0 }}% vs last period
                </small>
            </div>
        </div>
    </div>
    <div class="col-md-3 mb-3">
        <div class="card metric-card h-100" style="border-left-color: #28a745;">
            <div class="card-body text-center">
                <i class="fas fa-users fa-2x text-success mb-2"></i>
                <h3 class="mb-1">{{ active_users|default:0 }}</h3>
                <p class="text-muted mb-1">Active Users</p>
                <small class="trend-indicator trend-{{ users_trend.direction }}">
                    <i class="fas fa-arrow-{{ users_trend.direction == 'up' and 'up' or 'down' }}"></i>
                    {{ users_trend.percentage|default:0 }}% vs last period
                </small>
            </div>
        </div>
    </div>
    <div class="col-md-3 mb-3">
        <div class="card metric-card h-100" style="border-left-color: #ffc107;">
            <div class="card-body text-center">
                <i class="fas fa-exclamation-triangle fa-2x text-warning mb-2"></i>
                <h3 class="mb-1">{{ security_events|default:0 }}</h3>
                <p class="text-muted mb-1">Security Events</p>
                <small class="trend-indicator trend-{{ security_trend.direction }}">
                    <i class="fas fa-arrow-{{ security_trend.direction == 'up' and 'up' or 'down' }}"></i>
                    {{ security_trend.percentage|default:0 }}% vs last period
                </small>
            </div>
        </div>
    </div>
    <div class="col-md-3 mb-3">
        <div class="card metric-card h-100" style="border-left-color: #dc3545;">
            <div class="card-body text-center">
                <i class="fas fa-times-circle fa-2x text-danger mb-2"></i>
                <h3 class="mb-1">{{ failed_activities|default:0 }}</h3>
                <p class="text-muted mb-1">Failed Activities</p>
                <small class="trend-indicator trend-{{ failures_trend.direction }}">
                    <i class="fas fa-arrow-{{ failures_trend.direction == 'up' and 'up' or 'down' }}"></i>
                    {{ failures_trend.percentage|default:0 }}% vs last period
                </small>
            </div>
        </div>
    </div>
</div>

<!-- Charts Row -->
<div class="row mb-4">
    <!-- Activity Timeline Chart -->
    <div class="col-md-8">
        <div class="chart-container">
            <div class="d-flex justify-content-between align-items-center mb-3">
                <h5 class="mb-0">Activity Timeline</h5>
                <div class="btn-group btn-group-sm" role="group">
                    <input type="radio" class="btn-check" name="timeline_view" id="hourly" value="hourly">
                    <label class="btn btn-outline-secondary" for="hourly">Hourly</label>
                    
                    <input type="radio" class="btn-check" name="timeline_view" id="daily" value="daily" checked>
                    <label class="btn btn-outline-secondary" for="daily">Daily</label>
                    
                    <input type="radio" class="btn-check" name="timeline_view" id="weekly" value="weekly">
                    <label class="btn btn-outline-secondary" for="weekly">Weekly</label>
                </div>
            </div>
            <canvas id="activityTimelineChart" height="100"></canvas>
        </div>
    </div>
    
    <!-- Security Score -->
    <div class="col-md-4">
        <div class="chart-container text-center">
            <h5 class="mb-3">Security Score</h5>
            <div class="security-score score-{{ security_score_class }}">
                {{ security_score|default:0 }}/100
            </div>
            <canvas id="securityScoreChart" width="200" height="200"></canvas>
            <div class="mt-3">
                <small class="text-muted">
                    Based on failed logins, security events, and policy violations
                </small>
            </div>
        </div>
    </div>
</div>

<!-- Second Row Charts -->
<div class="row mb-4">
    <!-- Activity Types Distribution -->
    <div class="col-md-6">
        <div class="chart-container">
            <h5 class="mb-3">Activity Types Distribution</h5>
            <canvas id="activityTypesChart" height="150"></canvas>
        </div>
    </div>
    
    <!-- Top Active Users -->
    <div class="col-md-6">
        <div class="chart-container">
            <h5 class="mb-3">Top Active Users</h5>
            <div class="top-users-list">
                {% for user_stat in top_users %}
                <div class="user-activity-item">
                    <div class="user-avatar">
                        {{ user_stat.user.first_name.0|default:user_stat.user.email.0|upper }}
                    </div>
                    <div class="flex-grow-1">
                        <div class="fw-bold">{{ user_stat.user.get_full_name|default:user_stat.user.email }}</div>
                        <small class="text-muted">{{ user_stat.activity_count }} activities</small>
                    </div>
                    <div class="text-end">
                        <div class="progress" style="width: 100px; height: 8px;">
                            <div class="progress-bar" role="progressbar" 
                                 style="width: {{ user_stat.percentage }}%" 
                                 aria-valuenow="{{ user_stat.percentage }}" 
                                 aria-valuemin="0" aria-valuemax="100"></div>
                        </div>
                        <small class="text-muted">{{ user_stat.percentage }}%</small>
                    </div>
                </div>
                {% empty %}
                <div class="text-center text-muted py-3">
                    <i class="fas fa-users fa-2x mb-2"></i>
                    <p>No user activity data available</p>
                </div>
                {% endfor %}
            </div>
        </div>
    </div>
</div>

<!-- Activity Heatmap -->
<div class="row mb-4">
    <div class="col-12">
        <div class="chart-container">
            <div class="d-flex justify-content-between align-items-center mb-3">
                <h5 class="mb-0">Activity Heatmap</h5>
                <div class="d-flex align-items-center">
                    <small class="text-muted me-2">Less</small>
                    <div class="heatmap-cell heatmap-level-0"></div>
                    <div class="heatmap-cell heatmap-level-1"></div>
                    <div class="heatmap-cell heatmap-level-2"></div>
                    <div class="heatmap-cell heatmap-level-3"></div>
                    <div class="heatmap-cell heatmap-level-4"></div>
                    <small class="text-muted ms-2">More</small>
                </div>
            </div>
            <div class="activity-heatmap" id="activityHeatmap">
                <!-- Heatmap will be generated by JavaScript -->
            </div>
        </div>
    </div>
</div>

<!-- Recent Security Events Timeline -->
<div class="row mb-4">
    <div class="col-md-6">
        <div class="chart-container">
            <h5 class="mb-3">Recent Security Events</h5>
            <div style="max-height: 400px; overflow-y: auto;">
                {% for event in recent_security_events %}
                <div class="timeline-item">
                    <div class="d-flex justify-content-between align-items-start">
                        <div>
                            <h6 class="mb-1">{{ event.get_event_type_display }}</h6>
                            <p class="mb-1 text-muted">{{ event.description|truncatechars:80 }}</p>
                            <small class="text-muted">
                                <i class="fas fa-clock me-1"></i>{{ event.detected_at|timesince }} ago
                            </small>
                        </div>
                        <span class="badge bg-{{ event.severity == 'critical' and 'danger' or event.severity == 'high' and 'warning' or 'info' }}">
                            {{ event.get_severity_display }}
                        </span>
                    </div>
                </div>
                {% empty %}
                <div class="text-center text-muted py-3">
                    <i class="fas fa-shield-alt fa-2x mb-2"></i>
                    <p>No recent security events</p>
                </div>
                {% endfor %}
            </div>
        </div>
    </div>
    
    <!-- System Health Indicators -->
    <div class="col-md-6">
        <div class="chart-container">
            <h5 class="mb-3">System Health Indicators</h5>
            <div class="row g-3">
                <div class="col-6">
                    <div class="text-center p-3 border rounded">
                        <i class="fas fa-server fa-2x text-primary mb-2"></i>
                        <h6>System Load</h6>
                        <div class="progress mb-2">
                            <div class="progress-bar" role="progressbar" style="width: {{ system_load }}%"></div>
                        </div>
                        <small class="text-muted">{{ system_load }}%</small>
                    </div>
                </div>
                <div class="col-6">
                    <div class="text-center p-3 border rounded">
                        <i class="fas fa-database fa-2x text-success mb-2"></i>
                        <h6>DB Performance</h6>
                        <div class="progress mb-2">
                            <div class="progress-bar bg-success" role="progressbar" style="width: {{ db_performance }}%"></div>
                        </div>
                        <small class="text-muted">{{ db_performance }}%</small>
                    </div>
                </div>
                <div class="col-6">
                    <div class="text-center p-3 border rounded">
                        <i class="fas fa-memory fa-2x text-warning mb-2"></i>
                        <h6>Memory Usage</h6>
                        <div class="progress mb-2">
                            <div class="progress-bar bg-warning" role="progressbar" style="width: {{ memory_usage }}%"></div>
                        </div>
                        <small class="text-muted">{{ memory_usage }}%</small>
                    </div>
                </div>
                <div class="col-6">
                    <div class="text-center p-3 border rounded">
                        <i class="fas fa-network-wired fa-2x text-info mb-2"></i>
                        <h6>Network I/O</h6>
                        <div class="progress mb-2">
                            <div class="progress-bar bg-info" role="progressbar" style="width: {{ network_io }}%"></div>
                        </div>
                        <small class="text-muted">{{ network_io }}%</small>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Detailed Statistics -->
<div class="row">
    <div class="col-12">
        <div class="chart-container">
            <h5 class="mb-3">Detailed Statistics</h5>
            <div class="table-responsive">
                <table class="table table-hover">
                    <thead>
                        <tr>
                            <th>Metric</th>
                            <th>Current Period</th>
                            <th>Previous Period</th>
                            <th>Change</th>
                            <th>Trend</th>
                        </tr>
                    </thead>
                    <tbody>
                        <tr>
                            <td><strong>Total Activities</strong></td>
                            <td>{{ total_activities|default:0 }}</td>
                            <td>{{ previous_total_activities|default:0 }}</td>
                            <td>{{ activities_change|default:0 }}</td>
                            <td>
                                <span class="trend-indicator trend-{{ activities_trend.direction }}">
                                    <i class="fas fa-arrow-{{ activities_trend.direction == 'up' and 'up' or 'down' }}"></i>
                                    {{ activities_trend.percentage|default:0 }}%
                                </span>
                            </td>
                        </tr>
                        <tr>
                            <td><strong>Successful Logins</strong></td>
                            <td>{{ successful_logins|default:0 }}</td>
                            <td>{{ previous_successful_logins|default:0 }}</td>
                            <td>{{ logins_change|default:0 }}</td>
                            <td>
                                <span class="trend-indicator trend-{{ logins_trend.direction }}">
                                    <i class="fas fa-arrow-{{ logins_trend.direction == 'up' and 'up' or 'down' }}"></i>
                                    {{ logins_trend.percentage|default:0 }}%
                                </span>
                            </td>
                        </tr>
                        <tr>
                            <td><strong>Failed Logins</strong></td>
                            <td>{{ failed_logins|default:0 }}</td>
                            <td>{{ previous_failed_logins|default:0 }}</td>
                            <td>{{ failed_logins_change|default:0 }}</td>
                            <td>
                                <span class="trend-indicator trend-{{ failed_logins_trend.direction }}">
                                    <i class="fas fa-arrow-{{ failed_logins_trend.direction == 'up' and 'up' or 'down' }}"></i>
                                    {{ failed_logins_trend.percentage|default:0 }}%
                                </span>
                            </td>
                        </tr>
                        <tr>
                            <td><strong>Password Changes</strong></td>
                            <td>{{ password_changes|default:0 }}</td>
                            <td>{{ previous_password_changes|default:0 }}</td>
                            <td>{{ password_changes_change|default:0 }}</td>
                            <td>
                                <span class="trend-indicator trend-{{ password_changes_trend.direction }}">
                                    <i class="fas fa-arrow-{{ password_changes_trend.direction == 'up' and 'up' or 'down' }}"></i>
                                    {{ password_changes_trend.percentage|default:0 }}%
                                </span>
                            </td>
                        </tr>
                        <tr>
                            <td><strong>Security Events</strong></td>
                            <td>{{ security_events|default:0 }}</td>
                            <td>{{ previous_security_events|default:0 }}</td>
                            <td>{{ security_events_change|default:0 }}</td>
                            <td>
                                <span class="trend-indicator trend-{{ security_events_trend.direction }}">
                                    <i class="fas fa-arrow-{{ security_events_trend.direction == 'up' and 'up' or 'down' }}"></i>
                                    {{ security_events_trend.percentage|default:0 }}%
                                </span>
                            </td>
                        </tr>
                    </tbody>
                </table>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<script>
// Auto-submit form on period change
$(document).ready(function() {
    $('input[name="period"]').change(function() {
        $('#analytics-filter-form').submit();
    });
    
    $('input[name="timeline_view"]').change(function() {
        updateTimelineChart($(this).val());
    });
    
    // Initialize charts
    initializeCharts();
    generateHeatmap();
});

// Initialize all charts
function initializeCharts() {
    // Activity Timeline Chart
    const timelineCtx = document.getElementById('activityTimelineChart').getContext('2d');
    new Chart(timelineCtx, {
        type: 'line',
        data: {
            labels: {{ timeline_labels|safe }},
            datasets: [{
                label: 'Activities',
                data: {{ timeline_data|safe }},
                borderColor: '#007bff',
                backgroundColor: 'rgba(0, 123, 255, 0.1)',
                tension: 0.4,
                fill: true
            }, {
                label: 'Security Events',
                data: {{ security_timeline_data|safe }},
                borderColor: '#dc3545',
                backgroundColor: 'rgba(220, 53, 69, 0.1)',
                tension: 0.4,
                fill: false
            }]
        },
        options: {
            responsive: true,
            maintainAspectRatio: false,
            scales: {
                y: {
                    beginAtZero: true
                }
            },
            plugins: {
                legend: {
                    position: 'top'
                }
            }
        }
    });
    
    // Security Score Chart (Doughnut)
    const scoreCtx = document.getElementById('securityScoreChart').getContext('2d');
    new Chart(scoreCtx, {
        type: 'doughnut',
        data: {
            datasets: [{
                data: [{{ security_score|default:0 }}, {{ 100|add:security_score|default:0|add:"-100" }}],
                backgroundColor: [
                    {% if security_score >= 80 %}'#28a745'{% elif security_score >= 60 %}'#20c997'{% elif security_score >= 40 %}'#ffc107'{% else %}'#dc3545'{% endif %},
                    '#e9ecef'
                ],
                borderWidth: 0
            }]
        },
        options: {
            responsive: true,
            maintainAspectRatio: false,
            cutout: '70%',
            plugins: {
                legend: {
                    display: false
                }
            }
        }
    });
    
    // Activity Types Chart
    const typesCtx = document.getElementById('activityTypesChart').getContext('2d');
    new Chart(typesCtx, {
        type: 'pie',
        data: {
            labels: {{ activity_type_labels|safe }},
            datasets: [{
                data: {{ activity_type_data|safe }},
                backgroundColor: [
                    '#007bff', '#28a745', '#ffc107', '#dc3545', '#6f42c1',
                    '#fd7e14', '#20c997', '#6c757d', '#e83e8c', '#17a2b8'
                ]
            }]
        },
        options: {
            responsive: true,
            maintainAspectRatio: false,
            plugins: {
                legend: {
                    position: 'bottom'
                }
            }
        }
    });
}

// Generate activity heatmap
function generateHeatmap() {
    const heatmapContainer = document.getElementById('activityHeatmap');
    const heatmapData = {{ heatmap_data|safe }};
    
    // Generate heatmap for the last 365 days
    const today = new Date();
    const oneYearAgo = new Date(today.getFullYear() - 1, today.getMonth(), today.getDate());
    
    let html = '';
    for (let d = new Date(oneYearAgo); d <= today; d.setDate(d.getDate() + 1)) {
        const dateStr = d.toISOString().split('T')[0];
        const count = heatmapData[dateStr] || 0;
        const level = Math.min(4, Math.floor(count / 5)); // Adjust scale as needed
        
        html += `<div class="heatmap-cell heatmap-level-${level}" 
                      title="${dateStr}: ${count} activities" 
                      data-date="${dateStr}" 
                      data-count="${count}"></div>`;
        
        // Add line break for weeks
        if (d.getDay() === 6) {
            html += '<br>';
        }
    }
    
    heatmapContainer.innerHTML = html;
    
    // Add click handlers
    $('.heatmap-cell').click(function() {
        const date = $(this).data('date');
        const count = $(this).data('count');
        alert(`${date}: ${count} activities`);
    });
}

// Update timeline chart based on view
function updateTimelineChart(view) {
    // This would typically make an AJAX call to get new data
    console.log('Updating timeline chart for view:', view);
}

// Export analytics data
function exportAnalytics(format) {
    const params = new URLSearchParams(window.location.search);
    params.set('export', format);
    window.location.href = `{% url 'activities:analytics_export' %}?${params.toString()}`;
}

// Generate comprehensive report
function generateReport() {
    const params = new URLSearchParams(window.location.search);
    window.location.href = `{% url 'activities:analytics_report' %}?${params.toString()}`;
}
</script>
{% endblock %}