@extends('layouts.app')

@section('title', 'Dashboard')

@push('styles')
<style>
    .stat-card {
        border: none;
        border-radius: 16px;
        padding: 1.5rem;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }

    .stat-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, var(--card-gradient-start), var(--card-gradient-end));
    }

    .stat-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
    }

    .stat-card.primary {
        --card-gradient-start: #667eea;
        --card-gradient-end: #764ba2;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    }

    .stat-card.success {
        --card-gradient-start: #10b981;
        --card-gradient-end: #059669;
        background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(5, 150, 105, 0.05));
    }

    .stat-card.danger {
        --card-gradient-start: #ef4444;
        --card-gradient-end: #dc2626;
        background: linear-gradient(135deg, rgba(239, 68, 68, 0.05), rgba(220, 38, 38, 0.05));
    }

    .stat-card.info {
        --card-gradient-start: #3b82f6;
        --card-gradient-end: #2563eb;
        background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(37, 99, 235, 0.05));
    }

    .dark .stat-card.primary {
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    }

    .dark .stat-card.success {
        background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.1));
    }

    .dark .stat-card.danger {
        background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(220, 38, 38, 0.1));
    }

    .dark .stat-card.info {
        background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(37, 99, 235, 0.1));
    }

    .stat-icon {
        width: 56px;
        height: 56px;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
    }

    .stat-icon.primary {
        background: linear-gradient(135deg, #667eea, #764ba2);
        color: white;
    }

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

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

    .stat-icon.info {
        background: linear-gradient(135deg, #3b82f6, #2563eb);
        color: white;
    }

    .stat-value {
        font-size: 2rem;
        font-weight: 700;
        line-height: 1;
        margin-bottom: 0.25rem;
    }

    .stat-label {
        font-size: 0.875rem;
        font-weight: 500;
        opacity: 0.7;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    .chart-card {
        border: none;
        border-radius: 16px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    }

    .chart-card .card-header {
        background: transparent;
        border-bottom: 1px solid var(--border-color);
        padding: 1.5rem;
        border-radius: 16px 16px 0 0;
    }

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

    .table-modern {
        border-collapse: separate;
        border-spacing: 0;
    }

    .table-modern thead th {
        background: transparent;
        border-bottom: 2px solid var(--border-color);
        font-weight: 600;
        font-size: 0.875rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        padding: 1rem;
        color: var(--text-secondary);
    }

    .table-modern tbody tr {
        transition: all 0.2s ease;
    }

    .table-modern tbody tr:hover {
        background: var(--bg-secondary);
        transform: scale(1.01);
    }

    .table-modern tbody td {
        padding: 1.25rem 1rem;
        border-bottom: 1px solid var(--border-color);
        vertical-align: middle;
    }

    .site-name {
        font-weight: 600;
        color: var(--text-primary);
        font-size: 0.95rem;
    }

    .site-url {
        font-size: 0.8rem;
        color: var(--text-secondary);
        margin-top: 0.25rem;
    }

    .badge-modern {
        padding: 0.4rem 0.8rem;
        border-radius: 8px;
        font-weight: 600;
        font-size: 0.75rem;
        letter-spacing: 0.3px;
    }

    .btn-action {
        padding: 0.5rem 1rem;
        border-radius: 8px;
        font-weight: 500;
        transition: all 0.2s ease;
    }

    .btn-action:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
    }

    .empty-state {
        padding: 4rem 2rem;
        text-align: center;
    }

    .empty-state-icon {
        font-size: 4rem;
        opacity: 0.3;
        margin-bottom: 1.5rem;
    }

    .page-header {
        margin-bottom: 2rem;
    }

    .page-title {
        font-size: 1.75rem;
        font-weight: 700;
        margin-bottom: 0.5rem;
    }

    .page-subtitle {
        color: var(--text-secondary);
        font-size: 1rem;
    }
</style>
@endpush

@section('content')
<!-- Page Header -->
<div class="page-header">
    <h1 class="page-title">Dashboard</h1>
    <p class="page-subtitle">Welcome back! Here's an overview of all your monitored sites.</p>
</div>

<!-- Summary Stats -->
<div class="row g-4 mb-4">
    <div class="col-md-3 col-sm-6">
        <div class="stat-card primary">
            <div class="d-flex justify-content-between align-items-center">
                <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-md-3 col-sm-6">
        <div class="stat-card success">
            <div class="d-flex justify-content-between align-items-center">
                <div class="flex-grow-1">
                    <div class="stat-label">Sites Up</div>
                    <div class="stat-value text-success">{{ $sitesUp }}</div>
                </div>
                <div class="stat-icon success">
                    <i class="bi bi-check-circle-fill"></i>
                </div>
            </div>
        </div>
    </div>
    <div class="col-md-3 col-sm-6">
        <div class="stat-card danger">
            <div class="d-flex justify-content-between align-items-center">
                <div class="flex-grow-1">
                    <div class="stat-label">Sites Down</div>
                    <div class="stat-value text-danger">{{ $sitesDown }}</div>
                </div>
                <div class="stat-icon danger">
                    <i class="bi bi-exclamation-circle-fill"></i>
                </div>
            </div>
        </div>
    </div>
    <div class="col-md-3 col-sm-6">
        <div class="stat-card info">
            <div class="d-flex justify-content-between align-items-center">
                <div class="flex-grow-1">
                    <div class="stat-label">Avg Uptime</div>
                    <div class="stat-value text-info">{{ number_format($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 -->
<div class="card chart-card mb-4">
    <div class="card-header d-flex justify-content-between align-items-center">
        <div>
            <h5 class="mb-0 d-flex align-items-center">
                <i class="bi bi-graph-up me-2"></i>
                7-Day Uptime Overview
            </h5>
        </div>
        <div class="text-muted small">
            <i class="bi bi-clock"></i> Last 7 days
        </div>
    </div>
    <div class="card-body">
        @if($sites->isNotEmpty())
            <canvas id="weeklyUptimeChart" height="80"></canvas>
        @else
            <div class="empty-state">
                <div class="empty-state-icon">
                    <i class="bi bi-graph-up"></i>
                </div>
                <h5>No Data Available</h5>
                <p class="text-muted">Add your first site to start monitoring and viewing analytics.</p>
                <a href="{{ route('sites.create') }}" class="btn btn-primary mt-3">
                    <i class="bi bi-plus-circle"></i> Add Your First Site
                </a>
            </div>
        @endif
    </div>
</div>

<!-- Sites Table -->
<div class="card chart-card">
    <div class="card-header d-flex justify-content-between align-items-center">
        <div>
            <h5 class="mb-0 d-flex align-items-center">
                <i class="bi bi-globe me-2"></i>
                Your Sites
            </h5>
        </div>
        <a href="{{ route('sites.create') }}" class="btn btn-primary btn-sm btn-action">
            <i class="bi bi-plus-circle"></i> Add Site
        </a>
    </div>
    <div class="card-body p-0">
        @if($sites->isNotEmpty())
            <div class="table-responsive">
                <table class="table table-modern mb-0">
                    <thead>
                        <tr>
                            <th>Site</th>
                            <th>Status</th>
                            <th>Uptime</th>
                            <th>Response</th>
                            <th>SSL</th>
                            <th>Links</th>
                            <th class="text-end">Actions</th>
                        </tr>
                    </thead>
                    <tbody>
                        @foreach($sites as $site)
                            @php
                                $latestCheck = $site->uptimeChecks->first();
                                $latestSsl = $site->sslCertificates->first();
                                $daysUntilExpiry = $latestSsl ? now()->diffInDays($latestSsl->expires_at, false) : null;
                            @endphp
                            <tr>
                                <td>
                                    <div class="site-name">{{ $site->name }}</div>
                                    <div class="site-url">
                                        <i class="bi bi-link-45deg"></i> {{ Str::limit($site->url, 40) }}
                                    </div>
                                </td>
                                <td>
                                    @if(!$latestCheck)
                                        <span class="badge badge-modern bg-secondary">
                                            <i class="bi bi-question-circle"></i> Not Checked
                                        </span>
                                    @elseif($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-x-circle-fill"></i> Down
                                        </span>
                                    @endif
                                </td>
                                <td>
                                    @php
                                        $uptime = $site->uptime_percentage ?? 0;
                                    @endphp
                                    <div class="d-flex align-items-center gap-2">
                                        <div class="progress" style="width: 60px; height: 6px;">
                                            <div class="progress-bar bg-{{ $uptime >= 99 ? 'success' : ($uptime >= 95 ? 'warning' : 'danger') }}"
                                                 role="progressbar"
                                                 style="width: {{ $uptime }}%"></div>
                                        </div>
                                        <span class="small fw-semibold">{{ number_format($uptime, 1) }}%</span>
                                    </div>
                                </td>
                                <td>
                                    @if($site->avg_response_time)
                                        <span class="fw-semibold">{{ round($site->avg_response_time) }}</span>
                                        <span class="text-muted small">ms</span>
                                    @else
                                        <span class="text-muted">—</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> {{ $daysUntilExpiry }}d
                                            </span>
                                        @else
                                            <span class="badge badge-modern bg-success">
                                                <i class="bi bi-shield-check"></i> Valid
                                            </span>
                                        @endif
                                    @else
                                        <span class="text-muted">—</span>
                                    @endif
                                </td>
                                <td>
                                    @if($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-check-circle"></i> 0
                                        </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-circle"></i> Details
                                    </a>
                                </td>
                            </tr>
                        @endforeach
                    </tbody>
                </table>
            </div>
        @else
            <div class="empty-state">
                <div class="empty-state-icon">
                    <i class="bi bi-globe"></i>
                </div>
                <h5>No Sites Yet</h5>
                <p class="text-muted">Start monitoring your websites by adding your first site.</p>
                <a href="{{ route('sites.create') }}" class="btn btn-primary mt-3">
                    <i class="bi bi-plus-circle"></i> Add Your First Site
                </a>
            </div>
        @endif
    </div>
</div>
@endsection

@push('scripts')
@if($sites->isNotEmpty() && isset($chartData))
<script>
document.addEventListener('DOMContentLoaded', function() {
    const ctx = document.getElementById('weeklyUptimeChart').getContext('2d');

    const chartData = @json($chartData);

    new Chart(ctx, {
        type: 'line',
        data: {
            labels: chartData.labels,
            datasets: chartData.datasets.map((dataset, index) => ({
                label: dataset.label,
                data: dataset.data,
                borderColor: dataset.color,
                backgroundColor: dataset.color + '33',
                borderWidth: 2,
                fill: false,
                tension: 0.1
            }))
        },
        options: {
            responsive: true,
            maintainAspectRatio: true,
            plugins: {
                legend: {
                    display: true,
                    position: 'top'
                },
                tooltip: {
                    mode: 'index',
                    intersect: false
                }
            },
            scales: {
                y: {
                    beginAtZero: true,
                    max: 100,
                    title: {
                        display: true,
                        text: 'Uptime %'
                    }
                },
                x: {
                    title: {
                        display: true,
                        text: 'Date'
                    }
                }
            }
        }
    });
});
</script>
@endif
@endpush