@extends('layouts.app')

@section('title', 'Dashboard')

@push('styles')
<style>
    /* Modern Stats Cards */
    .stat-card {
        border: none;
        border-radius: 20px;
        padding: 2rem 1.75rem;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        overflow: hidden;
        background: var(--bg-primary);
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    }

    .stat-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: var(--card-accent);
        opacity: 0.8;
    }

    .stat-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    }

    .stat-card.primary {
        --card-accent: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    }

    .stat-card.success {
        --card-accent: linear-gradient(135deg, #10b981 0%, #059669 100%);
    }

    .stat-card.danger {
        --card-accent: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    }

    .stat-card.info {
        --card-accent: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    }

    .dark .stat-card {
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    }

    .dark .stat-card:hover {
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }

    .stat-icon {
        width: 64px;
        height: 64px;
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.75rem;
        position: relative;
        overflow: hidden;
    }

    .stat-icon::before {
        content: '';
        position: absolute;
        inset: 0;
        background: var(--icon-gradient);
        opacity: 0.1;
    }

    .stat-icon i {
        position: relative;
        z-index: 1;
    }

    .stat-icon.primary {
        --icon-gradient: linear-gradient(135deg, #06b6d4, #0891b2);
        color: #06b6d4;
    }

    .stat-icon.success {
        --icon-gradient: linear-gradient(135deg, #10b981, #059669);
        color: #10b981;
    }

    .stat-icon.danger {
        --icon-gradient: linear-gradient(135deg, #ef4444, #dc2626);
        color: #ef4444;
    }

    .stat-icon.info {
        --icon-gradient: linear-gradient(135deg, #3b82f6, #1d4ed8);
        color: #3b82f6;
    }

    .dark .stat-icon {
        opacity: 0.9;
    }

    .stat-value {
        font-size: 2.5rem;
        font-weight: 800;
        line-height: 1;
        margin-bottom: 0.5rem;
        letter-spacing: -0.02em;
    }

    .stat-label {
        font-size: 0.8125rem;
        font-weight: 600;
        opacity: 0.6;
        text-transform: uppercase;
        letter-spacing: 0.8px;
    }

    .stat-trend {
        font-size: 0.75rem;
        margin-top: 0.5rem;
        font-weight: 500;
    }

    .stat-trend.up {
        color: #10b981;
    }

    .stat-trend.down {
        color: #ef4444;
    }

    /* Chart Card */
    .chart-card {
        border: none;
        border-radius: 20px;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
        background: var(--bg-primary);
        overflow: hidden;
    }

    .dark .chart-card {
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    }

    .chart-card .card-header {
        background: transparent;
        border-bottom: 1px solid var(--border-color);
        padding: 1.75rem 2rem;
    }

    .chart-card .card-body {
        padding: 2rem;
    }

    .chart-card .card-title {
        font-size: 1.125rem;
        font-weight: 700;
        margin: 0;
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }

    .chart-card .card-title i {
        color: #0ea5e9;
    }

    /* Modern Table */
    .table-modern {
        border-collapse: separate;
        border-spacing: 0;
        margin: 0;
    }

    .table-modern thead th {
        background: var(--bg-secondary);
        border: none;
        font-weight: 700;
        font-size: 0.75rem;
        text-transform: uppercase;
        letter-spacing: 1px;
        padding: 1.25rem 1.5rem;
        color: var(--text-secondary);
        white-space: nowrap;
    }

    .table-modern thead th:first-child {
        border-top-left-radius: 12px;
    }

    .table-modern thead th:last-child {
        border-top-right-radius: 12px;
    }

    .table-modern tbody tr {
        transition: all 0.2s ease;
        border-bottom: 1px solid var(--border-color);
    }

    .table-modern tbody tr:hover {
        background: var(--bg-secondary);
    }

    .table-modern tbody tr:last-child {
        border-bottom: none;
    }

    .table-modern tbody td {
        padding: 1.5rem 1.5rem;
        vertical-align: middle;
        border: none;
    }

    .site-info {
        display: flex;
        align-items: center;
        gap: 1rem;
    }

    .site-avatar {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        background: linear-gradient(135deg, #06b6d4, #0891b2);
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-weight: 700;
        font-size: 1.25rem;
        flex-shrink: 0;
    }

    .site-details {
        flex: 1;
        min-width: 0;
    }

    .site-name {
        font-weight: 700;
        color: var(--text-primary);
        font-size: 1rem;
        margin-bottom: 0.25rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .site-url {
        font-size: 0.8125rem;
        color: var(--text-secondary);
        display: flex;
        align-items: center;
        gap: 0.375rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .site-url i {
        opacity: 0.5;
        flex-shrink: 0;
    }

    /* Status Badges */
    .badge-modern {
        padding: 0.5rem 1rem;
        border-radius: 10px;
        font-weight: 700;
        font-size: 0.6875rem;
        letter-spacing: 0.5px;
        text-transform: uppercase;
        display: inline-flex;
        align-items: center;
        gap: 0.375rem;
        white-space: nowrap;
    }

    .badge-modern i {
        font-size: 0.875rem;
    }

    /* Metric Display */
    .metric-display {
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }

    .metric-value {
        font-weight: 700;
        font-size: 0.9375rem;
    }

    .metric-label {
        font-size: 0.75rem;
        color: var(--text-secondary);
        font-weight: 500;
    }

    /* Progress Bar */
    .progress-modern {
        height: 8px;
        border-radius: 10px;
        background: var(--bg-secondary);
        overflow: hidden;
    }

    .progress-modern .progress-bar {
        border-radius: 10px;
        transition: width 0.6s ease;
    }

    /* Buttons */
    .btn-action {
        padding: 0.625rem 1.25rem;
        border-radius: 12px;
        font-weight: 600;
        font-size: 0.875rem;
        transition: all 0.2s ease;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        border: none;
    }

    .btn-action:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(14, 165, 233, 0.25);
    }

    .btn-action.btn-outline-primary:hover {
        background: #0ea5e9;
        color: white;
        border-color: #0ea5e9;
    }

    /* Empty State */
    .empty-state {
        padding: 5rem 2rem;
        text-align: center;
    }

    .empty-state-icon {
        font-size: 5rem;
        opacity: 0.15;
        margin-bottom: 2rem;
        background: linear-gradient(135deg, #06b6d4, #0891b2);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .empty-state h5 {
        font-size: 1.5rem;
        font-weight: 700;
        margin-bottom: 0.75rem;
    }

    .empty-state p {
        font-size: 1rem;
        color: var(--text-secondary);
        max-width: 400px;
        margin: 0 auto 2rem;
    }

    /* Page Header */
    .page-header {
        margin-bottom: 2.5rem;
    }

    .page-title {
        font-size: 2.25rem;
        font-weight: 800;
        margin-bottom: 0.5rem;
        letter-spacing: -0.02em;
        background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .page-subtitle {
        color: var(--text-secondary);
        font-size: 1.0625rem;
        font-weight: 400;
    }

    /* Time Badge */
    .time-badge {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.5rem 1rem;
        background: var(--bg-secondary);
        border-radius: 10px;
        font-size: 0.8125rem;
        font-weight: 600;
        color: var(--text-secondary);
    }

    /* Chart Container */
    .chart-container {
        position: relative;
        min-height: 300px;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
        .stat-card {
            padding: 1.5rem 1.25rem;
        }

        .stat-value {
            font-size: 2rem;
        }

        .stat-icon {
            width: 52px;
            height: 52px;
            font-size: 1.5rem;
        }

        .page-title {
            font-size: 1.75rem;
        }

        .table-modern thead th,
        .table-modern tbody td {
            padding: 1rem;
        }

        .site-avatar {
            width: 40px;
            height: 40px;
            font-size: 1rem;
        }
    }
</style>
@endpush

@section('content')
<!-- Page Header -->
<div class="page-header">
    <h1 class="page-title">Dashboard</h1>
    <p class="page-subtitle">Monitor and manage all your websites from one place</p>
</div>

<!-- Summary Stats -->
<div class="row g-4 mb-4">
    <div class="col-lg-3 col-md-6">
        <div class="stat-card primary">
            <div class="d-flex justify-content-between align-items-start">
                <div class="flex-grow-1">
                    <div class="stat-label">Total Sites</div>
                    <div class="stat-value">{{ $totalSites }}</div>
                </div>
                <div class="stat-icon primary">
                    <i class="bi bi-globe"></i>
                </div>
            </div>
        </div>
    </div>
    <div class="col-lg-3 col-md-6">
        <div class="stat-card success">
            <div class="d-flex justify-content-between align-items-start">
                <div class="flex-grow-1">
                    <div class="stat-label">Sites Online</div>
                    <div class="stat-value" style="color: #10b981;">{{ $sitesUp }}</div>
                </div>
                <div class="stat-icon success">
                    <i class="bi bi-check-circle-fill"></i>
                </div>
            </div>
        </div>
    </div>
    <div class="col-lg-3 col-md-6">
        <div class="stat-card danger">
            <div class="d-flex justify-content-between align-items-start">
                <div class="flex-grow-1">
                    <div class="stat-label">Sites Down</div>
                    <div class="stat-value" style="color: #ef4444;">{{ $sitesDown }}</div>
                </div>
                <div class="stat-icon danger">
                    <i class="bi bi-x-circle-fill"></i>
                </div>
            </div>
        </div>
    </div>
    <div class="col-lg-3 col-md-6">
        <div class="stat-card info">
            <div class="d-flex justify-content-between align-items-start">
                <div class="flex-grow-1">
                    <div class="stat-label">Average Uptime</div>
                    <div class="stat-value" style="color: #3b82f6;">{{ number_format($avgUptime, 1) }}%</div>
                </div>
                <div class="stat-icon info">
                    <i class="bi bi-graph-up-arrow"></i>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- 7-Day Uptime Chart -->
@if($sites->isNotEmpty())
<div class="card chart-card mb-4">
    <div class="card-header">
        <div class="d-flex justify-content-between align-items-center flex-wrap gap-3">
            <h5 class="card-title">
                <i class="bi bi-activity"></i>
                Uptime Trends
            </h5>
            <div class="time-badge">
                <i class="bi bi-calendar3"></i>
                Last 7 Days
            </div>
        </div>
    </div>
    <div class="card-body">
        <div class="chart-container">
            <canvas id="weeklyUptimeChart"></canvas>
        </div>
    </div>
</div>
@endif

<!-- Sites Table -->
<div class="card chart-card">
    <div class="card-header">
        <div class="d-flex justify-content-between align-items-center flex-wrap gap-3">
            <h5 class="card-title">
                <i class="bi bi-list-check"></i>
                Your Websites
            </h5>
            <a href="{{ route('sites.create') }}" class="btn btn-primary btn-action">
                <i class="bi bi-plus-lg"></i>
                Add Website
            </a>
        </div>
    </div>
    <div class="card-body p-0">
        @if($sites->isNotEmpty())
            <div class="table-responsive">
                <table class="table table-modern mb-0">
                    <thead>
                        <tr>
                            <th style="width: 30%;">Website</th>
                            <th style="width: 12%;">Status</th>
                            <th style="width: 15%;">Uptime</th>
                            <th style="width: 12%;">Response</th>
                            <th style="width: 12%;">SSL</th>
                            <th style="width: 10%;">Links</th>
                            <th style="width: 9%;" class="text-end">Action</th>
                        </tr>
                    </thead>
                    <tbody>
                        @foreach($sites as $site)
                            @php
                                $latestCheck = $site->uptimeChecks->first();
                                $latestSsl = $site->sslCertificates->first();
                                $daysUntilExpiry = $latestSsl ? now()->diffInDays($latestSsl->expires_at, false) : null;
                                $uptime = $site->uptime_percentage ?? 0;
                                $initials = strtoupper(substr($site->name, 0, 2));
                            @endphp
                            <tr>
                                <td>
                                    <div class="site-info">
                                        <div class="site-avatar" style="background: linear-gradient(135deg, {{ '#' . substr(md5($site->id), 0, 6) }}, {{ '#' . substr(md5($site->id . 'salt'), 0, 6) }});">
                                            {{ $initials }}
                                        </div>
                                        <div class="site-details">
                                            <div class="site-name" title="{{ $site->name }}">{{ $site->name }}</div>
                                            <div class="site-url" title="{{ $site->url }}">
                                                <i class="bi bi-link-45deg"></i>
                                                <span>{{ Str::limit(parse_url($site->url, PHP_URL_HOST), 35) }}</span>
                                            </div>
                                        </div>
                                    </div>
                                </td>
                                <td>
                                    @if(!$latestCheck)
                                        <span class="badge badge-modern bg-secondary">
                                            <i class="bi bi-dash-circle"></i> Pending
                                        </span>
                                    @elseif($latestCheck->status_code >= 200 && $latestCheck->status_code < 400)
                                        <span class="badge badge-modern bg-success">
                                            <i class="bi bi-check-circle-fill"></i> Online
                                        </span>
                                    @else
                                        <span class="badge badge-modern bg-danger">
                                            <i class="bi bi-exclamation-circle-fill"></i> Down
                                        </span>
                                    @endif
                                </td>
                                <td>
                                    <div class="metric-display">
                                        <div class="progress-modern" style="width: 70px;">
                                            <div class="progress-bar bg-{{ $uptime >= 99 ? 'success' : ($uptime >= 95 ? 'warning' : 'danger') }}"
                                                 role="progressbar"
                                                 style="width: {{ $uptime }}%"
                                                 aria-valuenow="{{ $uptime }}"
                                                 aria-valuemin="0"
                                                 aria-valuemax="100"></div>
                                        </div>
                                        <span class="metric-value">{{ number_format($uptime, 1) }}%</span>
                                    </div>
                                </td>
                                <td>
                                    @if($site->avg_response_time)
                                        <div class="metric-display">
                                            <span class="metric-value">{{ round($site->avg_response_time) }}</span>
                                            <span class="metric-label">ms</span>
                                        </div>
                                    @else
                                        <span class="text-muted fw-semibold">—</span>
                                    @endif
                                </td>
                                <td>
                                    @if($latestSsl)
                                        @if($daysUntilExpiry < 0)
                                            <span class="badge badge-modern bg-danger">
                                                <i class="bi bi-shield-x"></i> Expired
                                            </span>
                                        @elseif($daysUntilExpiry < 30)
                                            <span class="badge badge-modern bg-warning text-dark">
                                                <i class="bi bi-clock-history"></i> {{ $daysUntilExpiry }}d
                                            </span>
                                        @else
                                            <span class="badge badge-modern bg-success">
                                                <i class="bi bi-shield-check"></i> Valid
                                            </span>
                                        @endif
                                    @else
                                        <span class="text-muted fw-semibold">—</span>
                                    @endif
                                </td>
                                <td>
                                    @if($site->broken_links_count > 0)
                                        <span class="badge badge-modern bg-danger">
                                            <i class="bi bi-link-45deg"></i> {{ $site->broken_links_count }}
                                        </span>
                                    @else
                                        <span class="badge badge-modern bg-success">
                                            <i class="bi bi-check2"></i> None
                                        </span>
                                    @endif
                                </td>
                                <td class="text-end">
                                    <a href="{{ route('dashboard.show', $site) }}" class="btn btn-sm btn-outline-primary btn-action">
                                        <i class="bi bi-arrow-right"></i>
                                    </a>
                                </td>
                            </tr>
                        @endforeach
                    </tbody>
                </table>
            </div>
        @else
            <div class="empty-state">
                <div class="empty-state-icon">
                    <i class="bi bi-globe2"></i>
                </div>
                <h5>No Websites Yet</h5>
                <p>Get started by adding your first website to monitor. It only takes a few seconds!</p>
                <a href="{{ route('sites.create') }}" class="btn btn-primary btn-lg btn-action">
                    <i class="bi bi-plus-circle-fill"></i>
                    Add Your First Website
                </a>
            </div>
        @endif
    </div>
</div>
@endsection

@push('scripts')
@if($sites->isNotEmpty() && isset($chartData))
<script>
document.addEventListener('DOMContentLoaded', function() {
    const ctx = document.getElementById('weeklyUptimeChart');
    if (!ctx) return;

    const chartData = @json($chartData);

    // Check if user prefers dark mode
    const isDarkMode = document.documentElement.classList.contains('dark') ||
                       localStorage.getItem('darkMode') === 'true';

    const gridColor = isDarkMode ? 'rgba(255, 255, 255, 0.1)' : 'rgba(0, 0, 0, 0.06)';
    const textColor = isDarkMode ? 'rgba(255, 255, 255, 0.7)' : 'rgba(0, 0, 0, 0.7)';

    new Chart(ctx, {
        type: 'line',
        data: {
            labels: chartData.labels,
            datasets: chartData.datasets.map((dataset, index) => {
                const colors = [
                    { border: '#06b6d4', bg: 'rgba(6, 182, 212, 0.1)' },
                    { border: '#10b981', bg: 'rgba(16, 185, 129, 0.1)' },
                    { border: '#f59e0b', bg: 'rgba(245, 158, 11, 0.1)' },
                    { border: '#ef4444', bg: 'rgba(239, 68, 68, 0.1)' },
                    { border: '#0ea5e9', bg: 'rgba(14, 165, 233, 0.1)' },
                ];
                const color = colors[index % colors.length];

                return {
                    label: dataset.label,
                    data: dataset.data,
                    borderColor: color.border,
                    backgroundColor: color.bg,
                    borderWidth: 3,
                    fill: true,
                    tension: 0.4,
                    pointRadius: 4,
                    pointHoverRadius: 6,
                    pointBackgroundColor: color.border,
                    pointBorderColor: '#fff',
                    pointBorderWidth: 2,
                    pointHoverBackgroundColor: color.border,
                    pointHoverBorderColor: '#fff',
                    pointHoverBorderWidth: 3,
                };
            })
        },
        options: {
            responsive: true,
            maintainAspectRatio: true,
            aspectRatio: 2.5,
            interaction: {
                mode: 'index',
                intersect: false,
            },
            plugins: {
                legend: {
                    display: true,
                    position: 'bottom',
                    labels: {
                        usePointStyle: true,
                        pointStyle: 'circle',
                        padding: 20,
                        font: {
                            size: 13,
                            weight: '600',
                            family: 'Inter, sans-serif'
                        },
                        color: textColor
                    }
                },
                tooltip: {
                    enabled: true,
                    backgroundColor: isDarkMode ? 'rgba(30, 30, 30, 0.95)' : 'rgba(255, 255, 255, 0.95)',
                    titleColor: isDarkMode ? '#fff' : '#000',
                    bodyColor: isDarkMode ? 'rgba(255, 255, 255, 0.8)' : 'rgba(0, 0, 0, 0.8)',
                    borderColor: gridColor,
                    borderWidth: 1,
                    padding: 12,
                    boxPadding: 6,
                    usePointStyle: true,
                    titleFont: {
                        size: 14,
                        weight: '700',
                        family: 'Inter, sans-serif'
                    },
                    bodyFont: {
                        size: 13,
                        weight: '600',
                        family: 'Inter, sans-serif'
                    },
                    callbacks: {
                        label: function(context) {
                            let label = context.dataset.label || '';
                            if (label) {
                                label += ': ';
                            }
                            if (context.parsed.y !== null) {
                                label += context.parsed.y.toFixed(1) + '%';
                            }
                            return label;
                        }
                    }
                }
            },
            scales: {
                y: {
                    beginAtZero: true,
                    max: 100,
                    grid: {
                        color: gridColor,
                        drawBorder: false,
                    },
                    ticks: {
                        callback: function(value) {
                            return value + '%';
                        },
                        font: {
                            size: 12,
                            weight: '600',
                            family: 'Inter, sans-serif'
                        },
                        color: textColor,
                        padding: 8
                    }
                },
                x: {
                    grid: {
                        display: false,
                        drawBorder: false,
                    },
                    ticks: {
                        font: {
                            size: 12,
                            weight: '600',
                            family: 'Inter, sans-serif'
                        },
                        color: textColor,
                        padding: 8
                    }
                }
            }
        }
    });
});
</script>
@endif
@endpush