{% extends "shared/frontend/base.html" %}

{% block title %}Dashboard - BMC Hub{% endblock %}

{% block extra_css %}
<style>
    /* Modern Dashboard Styling */
    body {
        background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
    }
    
    .dashboard-header {
        background: linear-gradient(135deg, var(--accent) 0%, #1e5a8e 100%);
        color: white;
        padding: 2.5rem 0;
        margin: -2rem -15px 2rem -15px;
        border-radius: 0 0 24px 24px;
        box-shadow: 0 10px 30px rgba(15, 76, 117, 0.15);
    }
    
    .dashboard-header h2 {
        font-size: 2rem;
        font-weight: 700;
        margin: 0;
    }
    
    .dashboard-header p {
        opacity: 0.9;
        margin: 0.5rem 0 0 0;
    }
    
    /* Stat Cards - Modern Gradient Design */
    .stat-card {
        position: relative;
        border-radius: 20px;
        cursor: pointer;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        text-decoration: none;
        display: block;
        background: white;
        border: none;
        box-shadow: 0 2px 8px rgba(0,0,0,0.04);
        overflow: hidden;
    }
    
    .stat-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, var(--accent), #3b82f6);
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    
    .stat-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 12px 40px rgba(15, 76, 117, 0.15);
    }
    
    .stat-card:hover::before {
        opacity: 1;
    }
    
    .stat-card-icon {
        width: 56px;
        height: 56px;
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.75rem;
        margin-bottom: 1.25rem;
    }
    
    .stat-card-icon.primary {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
    }
    
    .stat-card-icon.success {
        background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
        color: white;
    }
    
    .stat-card-icon.warning {
        background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
        color: white;
    }
    
    .stat-card-icon.info {
        background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
        color: white;
    }
    
    .stat-card-label {
        font-size: 0.75rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: #64748b;
        margin-bottom: 0.75rem;
    }
    
    .stat-card-value {
        font-size: 2.5rem;
        font-weight: 800;
        color: #1e293b;
        margin: 0.5rem 0 0.75rem 0;
        line-height: 1;
    }
    
    .trend-badge {
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
        padding: 0.35rem 0.75rem;
        border-radius: 12px;
        font-size: 0.8rem;
        font-weight: 600;
    }
    
    .trend-badge.positive {
        background: linear-gradient(135deg, #d4fc79 0%, #96e6a1 100%);
        color: #166534;
    }
    
    .trend-badge.negative {
        background: linear-gradient(135deg, #ffeaa7 0%, #fab1a0 100%);
        color: #991b1b;
    }
    
    .trend-badge.neutral {
        background: #e2e8f0;
        color: #64748b;
    }
    
    /* Content Cards */
    .content-card {
        background: white;
        border-radius: 20px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.04);
        overflow: hidden;
        border: 1px solid rgba(226, 232, 240, 0.8);
    }
    
    .card-header-modern {
        padding: 1.5rem;
        border-bottom: 1px solid #f1f5f9;
    }
    
    .card-header-modern h5 {
        font-size: 1.125rem;
        font-weight: 700;
        color: #1e293b;
        margin: 0;
    }
    
    /* Activity Items */
    .activity-item {
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f1f5f9;
        transition: all 0.2s ease;
        cursor: pointer;
        display: flex;
        align-items: center;
        gap: 1rem;
    }
    
    .activity-item:hover {
        background: linear-gradient(90deg, rgba(99, 102, 241, 0.02) 0%, rgba(59, 130, 246, 0.05) 100%);
        padding-left: 1.75rem;
    }
    
    .activity-item:last-child {
        border-bottom: none;
    }
    
    .activity-icon {
        width: 44px;
        height: 44px;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.25rem;
        flex-shrink: 0;
    }
    
    .activity-icon.primary {
        background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
        color: #6366f1;
    }
    
    .activity-icon.warning {
        background: linear-gradient(135deg, rgba(251, 146, 60, 0.1) 0%, rgba(245, 87, 108, 0.1) 100%);
        color: #f59e0b;
    }
    
    .activity-icon.info {
        background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
        color: #0ea5e9;
    }
    
    .activity-content {
        flex: 1;
    }
    
    .activity-name {
        font-weight: 600;
        color: #1e293b;
        margin-bottom: 0.25rem;
    }
    
    .activity-time {
        font-size: 0.8rem;
        color: #94a3b8;
    }
    
    /* Reminders */
    .reminder-item {
        padding: 1rem;
        border-left: 4px solid;
        border-radius: 12px;
        margin-bottom: 0.75rem;
        transition: all 0.2s ease;
    }
    
    .reminder-item:hover {
        transform: translateX(4px);
        box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    }
    
    .reminder-item.priority-high {
        border-left-color: #ef4444;
        background: linear-gradient(90deg, rgba(239, 68, 68, 0.05) 0%, rgba(239, 68, 68, 0.02) 100%);
    }
    
    .reminder-item.priority-medium {
        border-left-color: #f59e0b;
        background: linear-gradient(90deg, rgba(245, 158, 11, 0.05) 0%, rgba(245, 158, 11, 0.02) 100%);
    }
    
    .reminder-item.priority-low {
        border-left-color: #10b981;
        background: linear-gradient(90deg, rgba(16, 185, 129, 0.05) 0%, rgba(16, 185, 129, 0.02) 100%);
    }
    
    /* Quick Actions */
    .quick-action-btn {
        border-radius: 14px;
        padding: 1rem 1.5rem;
        font-weight: 600;
        border: 2px solid transparent;
        transition: all 0.3s ease;
        background: linear-gradient(135deg, var(--accent) 0%, #1e5a8e 100%);
        color: white;
    }
    
    .quick-action-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(15, 76, 117, 0.25);
        border-color: var(--accent);
        color: white;
    }
    
    .quick-action-btn i {
        font-size: 1.1rem;
    }
    
    /* Activity Feed Scrollbar */
    .activity-feed {
        max-height: 550px;
        overflow-y: auto;
    }
    
    .activity-feed::-webkit-scrollbar {
        width: 6px;
    }
    
    .activity-feed::-webkit-scrollbar-track {
        background: #f1f5f9;
    }
    
    .activity-feed::-webkit-scrollbar-thumb {
        background: #cbd5e1;
        border-radius: 3px;
    }
    
    .activity-feed::-webkit-scrollbar-thumb:hover {
        background: #94a3b8;
    }
    
    /* Skeleton Loading */
    .skeleton {
        background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
        background-size: 200% 100%;
        animation: loading 1.5s ease-in-out infinite;
        border-radius: 8px;
    }
    
    .skeleton-text {
        height: 1rem;
        margin-bottom: 0.5rem;
    }
    
    @keyframes loading {
        0% { background-position: 200% 0; }
        100% { background-position: -200% 0; }
    }
    
    /* Alerts Modern Style */
    .alert {
        border-radius: 16px;
        border: none;
        box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    }
    
    /* Empty State */
    .empty-state {
        text-align: center;
        padding: 3rem 1.5rem;
        color: #94a3b8;
    }
    
    .empty-state i {
        font-size: 3rem;
        opacity: 0.3;
        margin-bottom: 1rem;
    }
</style>
{% endblock %}

{% block content %}
<div class="container-fluid">
    <!-- Modern Header -->
    <div class="dashboard-header">
        <div class="container-fluid" style="max-width: 1400px;">
            <h2>📊 Dashboard</h2>
            <p>Oversigt over BMC Hub - alt på ét sted</p>
        </div>
    </div>

    <div class="container-fluid" style="max-width: 1400px;">
        <!-- Alerts -->
        {% if bankruptcy_alerts %}
        <div class="alert alert-danger d-flex align-items-center mb-4" role="alert">
            <i class="bi bi-shield-exclamation flex-shrink-0 me-3 fs-2"></i>
            <div class="flex-grow-1">
                <h5 class="alert-heading mb-1 fw-bold">⚠️ KONKURS ALARM</h5>
                <div>Systemet har registreret <strong>{{ bankruptcy_alerts|length }}</strong> potentiel(le) konkurssag(er).</div>
                <ul class="mb-0 mt-2 small list-unstyled">
                    {% for alert in bankruptcy_alerts %}
                    <li class="mb-1">
                        <span class="badge bg-danger me-2">ALARM</span>
                        <strong>{{ alert.display_name }}:</strong> 
                        <a href="/emails?id={{ alert.id }}" class="alert-link text-decoration-underline">{{ alert.subject }}</a>
                    </li>
                    {% endfor %}
                </ul>
            </div>
            <div>
                <a href="/emails?filter=bankruptcy" class="btn btn-sm btn-danger px-3">Håndter Nu <i class="bi bi-arrow-right ms-1"></i></a>
            </div>
        </div>
        {% endif %}

        {% if unknown_worklog_count > 0 %}
        <div class="alert alert-warning d-flex align-items-center mb-4" role="alert">
            <i class="bi bi-exclamation-triangle-fill flex-shrink-0 me-3 fs-4"></i>
            <div>
                <h5 class="alert-heading mb-1">Tidsregistreringer kræver handling</h5>
                Der er <strong>{{ unknown_worklog_count }}</strong> tidsregistrering(er) med typen "Ved ikke". 
                <a href="/ticket/worklog/review" class="alert-link">Gå til godkendelse</a> for at afklare dem.
            </div>
        </div>
        {% endif %}

        <!-- Stat Cards -->
        <div class="row g-4 mb-5" id="statCards">
            <div class="col-md-6 col-xl-3">
                <a href="/customers" class="stat-card p-4 h-100">
                    <div class="stat-card-icon primary">
                        <i class="bi bi-people-fill"></i>
                    </div>
                    <div class="stat-card-label">Aktive Kunder</div>
                    <div class="stat-card-value skeleton skeleton-text" style="width: 80px; height: 2.5rem;" id="customerCount">-</div>
                    <div id="customerTrend">
                        <span class="trend-badge neutral skeleton skeleton-text" style="width: 120px; height: 24px;"></span>
                    </div>
                </a>
            </div>
            <div class="col-md-6 col-xl-3">
                <a href="/ticket/tickets?status=open" class="stat-card p-4 h-100">
                    <div class="stat-card-icon warning">
                        <i class="bi bi-ticket-perforated-fill"></i>
                    </div>
                    <div class="stat-card-label">Support Tickets</div>
                    <div class="stat-card-value skeleton skeleton-text" style="width: 60px; height: 2.5rem;" id="ticketCount">-</div>
                    <div id="ticketUrgent">
                        <span class="skeleton skeleton-text" style="width: 120px; height: 20px;"></span>
                    </div>
                </a>
            </div>
            <div class="col-md-6 col-xl-3">
                <a href="/billing" class="stat-card p-4 h-100">
                    <div class="stat-card-icon success">
                        <i class="bi bi-graph-up-arrow"></i>
                    </div>
                    <div class="stat-card-label">Omsætning</div>
                    <div class="stat-card-value skeleton skeleton-text" style="width: 100px; height: 2.5rem;" id="revenueCount">-</div>
                    <div id="revenueTrend">
                        <span class="trend-badge neutral skeleton skeleton-text" style="width: 110px; height: 24px;"></span>
                    </div>
                </a>
            </div>
            <div class="col-md-6 col-xl-3">
                <a href="/hardware" class="stat-card p-4 h-100">
                    <div class="stat-card-icon info">
                        <i class="bi bi-hdd-rack-fill"></i>
                    </div>
                    <div class="stat-card-label">Hardware</div>
                    <div class="stat-card-value skeleton skeleton-text" style="width: 80px; height: 2.5rem;" id="hardwareCount">-</div>
                    <small class="text-muted">Enheder registreret</small>
                </a>
            </div>
        </div>

        <!-- Main Content -->
        <div class="row g-4">
            <div class="col-lg-8">
                <!-- Quick Actions -->
                <div class="content-card mb-4">
                    <div class="card-header-modern">
                        <h5>⚡ Hurtige handlinger</h5>
                    </div>
                    <div class="p-4">
                        <div class="row g-3">
                            <div class="col-md-4">
                                <a href="/customers/new" class="btn quick-action-btn w-100">
                                    <i class="bi bi-person-plus-fill me-2"></i>Ny kunde
                                </a>
                            </div>
                            <div class="col-md-4">
                                <a href="/ticket/tickets/new" class="btn quick-action-btn w-100">
                                    <i class="bi bi-ticket-fill me-2"></i>Opret ticket
                                </a>
                            </div>
                            <div class="col-md-4">
                                <a href="/sag/new" class="btn quick-action-btn w-100">
                                    <i class="bi bi-folder-plus me-2"></i>Ny sag
                                </a>
                            </div>
                        </div>
                    </div>
                </div>
                
                <!-- Recent Activity -->
                <div class="content-card">
                    <div class="card-header-modern">
                        <h5>🕐 Seneste aktivitet</h5>
                    </div>
                    <div class="activity-feed" id="activityFeed">
                        <div class="empty-state">
                            <i class="bi bi-arrow-clockwise"></i>
                            <div>Henter aktivitet...</div>
                        </div>
                    </div>
                </div>
            </div>
            
            <div class="col-lg-4">
                <!-- Calendar / Reminders -->
                <div class="content-card">
                    <div class="card-header-modern">
                        <h5>📅 Kommende påmindelser</h5>
                    </div>
                    <div class="p-4" id="remindersWidget">
                        <div class="empty-state">
                            <i class="bi bi-arrow-clockwise"></i>
                            <div>Henter påmindelser...</div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script>
    // Format currency in Danish format
    function formatCurrency(amount) {
        return new Intl.NumberFormat('da-DK', {
            style: 'decimal',
            minimumFractionDigits: 0,
            maximumFractionDigits: 0
        }).format(amount) + ' kr';
    }
    
    // Format relative time
    function timeAgo(dateString) {
        const date = new Date(dateString);
        const now = new Date();
        const diffMs = now - date;
        const diffMins = Math.floor(diffMs / 60000);
        const diffHours = Math.floor(diffMins / 60);
        const diffDays = Math.floor(diffHours / 24);
        
        if (diffMins < 1) return 'Lige nu';
        if (diffMins < 60) return `${diffMins} min siden`;
        if (diffHours < 24) return `${diffHours} timer siden`;
        if (diffDays === 1) return 'I går';
        if (diffDays < 7) return `${diffDays} dage siden`;
        
        return date.toLocaleDateString('da-DK', { day: 'numeric', month: 'short' });
    }
    
    // Get icon for activity type
    function getActivityIcon(type, color) {
        const icons = {
            'customer': 'bi-building-fill',
            'ticket': 'bi-ticket-perforated-fill',
            'case': 'bi-folder-fill'
        };
        
        return `<div class="activity-icon ${color}"><i class="bi ${icons[type] || 'bi-circle-fill'}"></i></div>`;
    }
    
    // Get link for activity type
    function getActivityLink(type, id) {
        const links = {
            'customer': '/customers',
            'ticket': '/ticket/tickets',
            'case': '/sag'
        };
        return `${links[type] || '#'}/${id}`;
    }
    
    // Load dashboard stats
    async function loadStats() {
        try {
            const response = await fetch('/api/v1/stats');
            if (!response.ok) throw new Error('Failed to fetch stats');
            
            const data = await response.json();
            
            // Update customer stats
            const customerEl = document.getElementById('customerCount');
            customerEl.textContent = data.customers.total.toLocaleString('da-DK');
            customerEl.classList.remove('skeleton', 'skeleton-text');
            
            const customerTrendEl = document.getElementById('customerTrend');
            const customerGrowth = data.customers.growth_pct;
            const trendClass = customerGrowth > 0 ? 'positive' : customerGrowth < 0 ? 'negative' : 'neutral';
            const trendIcon = customerGrowth > 0 ? '▲' : customerGrowth < 0 ? '▼' : '—';
            customerTrendEl.innerHTML = `<span class="trend-badge ${trendClass}">${trendIcon} ${Math.abs(customerGrowth)}% denne måned</span>`;
            
            // Update ticket stats
            const ticketEl = document.getElementById('ticketCount');
            ticketEl.textContent = data.tickets.open_count.toLocaleString('da-DK');
            ticketEl.classList.remove('skeleton', 'skeleton-text');
            
            const ticketUrgentEl = document.getElementById('ticketUrgent');
            const urgentCount = data.tickets.urgent_count;
            if (urgentCount > 0) {
                ticketUrgentEl.innerHTML = `<span class="badge bg-danger">${urgentCount} kræver handling</span>`;
            } else {
                ticketUrgentEl.textContent = 'Ingen hastesager';
            }
            ticketUrgentEl.classList.remove('skeleton', 'skeleton-text');
            
            // Update revenue stats
            const revenueEl = document.getElementById('revenueCount');
            revenueEl.textContent = formatCurrency(data.revenue.current_month);
            revenueEl.classList.remove('skeleton', 'skeleton-text');
            
            const revenueTrendEl = document.getElementById('revenueTrend');
            const revenueGrowth = data.revenue.growth_pct;
            const revTrendClass = revenueGrowth > 0 ? 'positive' : revenueGrowth < 0 ? 'negative' : 'neutral';
            const revTrendIcon = revenueGrowth > 0 ? '▲' : revenueGrowth < 0 ? '▼' : '—';
            revenueTrendEl.innerHTML = `<span class="trend-badge ${revTrendClass}">${revTrendIcon} ${Math.abs(revenueGrowth)}% denne måned</span>`;
            
            // Update hardware stats
            const hardwareEl = document.getElementById('hardwareCount');
            hardwareEl.textContent = data.hardware.total.toLocaleString('da-DK');
            hardwareEl.classList.remove('skeleton', 'skeleton-text');
            
        } catch (error) {
            console.error('Error loading stats:', error);
            // Remove skeletons even on error
            document.querySelectorAll('.skeleton').forEach(el => {
                el.classList.remove('skeleton', 'skeleton-text');
                el.textContent = 'Fejl';
            });
        }
    }
    
    // Load recent activity
    async function loadActivity() {
        try {
            const response = await fetch('/api/v1/recent-activity');
            if (!response.ok) throw new Error('Failed to fetch activity');
            
            const activities = await response.json();
            const feedEl = document.getElementById('activityFeed');
            
            if (!activities || activities.length === 0) {
                feedEl.innerHTML = '<div class="empty-state"><i class="bi bi-inbox"></i><div>Ingen aktivitet at vise</div></div>';
                return;
            }
            
            feedEl.innerHTML = activities.map(activity => `
                <div class="activity-item" onclick="window.location.href='${getActivityLink(activity.activity_type, activity.id)}'">
                    ${getActivityIcon(activity.activity_type, activity.color)}
                    <div class="activity-content">
                        <div class="activity-name">${activity.name || 'Unavngivet'}</div>
                        <div class="activity-time">${timeAgo(activity.created_at)}</div>
                    </div>
                    <i class="bi bi-chevron-right text-muted"></i>
                </div>
            `).join('');
            
        } catch (error) {
            console.error('Error loading activity:', error);
            document.getElementById('activityFeed').innerHTML = '<div class="empty-state"><i class="bi bi-exclamation-triangle"></i><div class="text-danger">Fejl ved indlæsning af aktivitet</div></div>';
        }
    }
    
    // Load reminders
    async function loadReminders() {
        try {
            const response = await fetch('/api/v1/reminders/upcoming');
            if (!response.ok) throw new Error('Failed to fetch reminders');
            
            const reminders = await response.json();
            const widgetEl = document.getElementById('remindersWidget');
            
            if (!reminders || reminders.length === 0) {
                widgetEl.innerHTML = '<div class="empty-state"><i class="bi bi-calendar-check"></i><div>Ingen kommende påmindelser</div></div>';
                return;
            }
            
            widgetEl.innerHTML = reminders.map(reminder => {
                const dueDate = new Date(reminder.due_date);
                const priorityClass = reminder.priority === 'high' ? 'priority-high' : reminder.priority === 'medium' ? 'priority-medium' : 'priority-low';
                return `
                    <div class="reminder-item ${priorityClass}">
                        <div class="d-flex justify-content-between align-items-start mb-1">
                            <div class="fw-semibold small">${reminder.title || reminder.case_title || 'Påmindelse'}</div>
                            <small class="text-muted ms-2">${dueDate.toLocaleDateString('da-DK', { day: 'numeric', month: 'short' })}</small>
                        </div>
                        ${reminder.case_title ? `<div class="small text-muted">Sag: ${reminder.case_title}</div>` : ''}
                    </div>
                `;
            }).join('');
            
            // Add link to view all
            widgetEl.innerHTML += '<div class="text-center mt-3"><a href="/sag" class="text-decoration-none small fw-semibold">Se alle påmindelser →</a></div>';
            
        } catch (error) {
            console.error('Error loading reminders:', error);
            document.getElementById('remindersWidget').innerHTML = '<div class="empty-state"><i class="bi bi-exclamation-triangle"></i><div class="text-danger">Fejl ved indlæsning</div></div>';
        }
    }
    
    // Load all data on page load
    document.addEventListener('DOMContentLoaded', function() {
        loadStats();
        loadActivity();
        loadReminders();
    });
</script>
{% endblock %}