@extends('layouts.admin')

@section('title', 'Dashboard')

@push('styles')
<style>
    .page-header {
        margin-bottom: 2rem;
    }

    .page-header h1 {
        font-size: 1.75rem;
        font-weight: 700;
    }

    .page-header p {
        color: var(--text-secondary);
        margin-top: 0.25rem;
        font-size: 0.9rem;
    }

    /* Stats Grid */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 1.25rem;
        margin-bottom: 1.5rem;
    }

    .stat-card {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        padding: 1.5rem;
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        transition: border-color var(--transition);
    }

    .stat-card:hover {
        border-color: var(--accent);
    }

    .stat-card .stat-info h3 {
        font-size: 0.8rem;
        font-weight: 500;
        color: var(--text-secondary);
        text-transform: uppercase;
        letter-spacing: 0.05em;
        margin-bottom: 0.5rem;
    }

    .stat-card .stat-info .stat-value {
        font-size: 1.75rem;
        font-weight: 700;
    }

    .stat-card .stat-info .stat-change {
        font-size: 0.8rem;
        margin-top: 0.375rem;
        display: flex;
        align-items: center;
        gap: 0.25rem;
    }

    .stat-change.up { color: var(--success); }
    .stat-change.down { color: var(--danger); }

    .stat-card .stat-icon {
        width: 48px;
        height: 48px;
        border-radius: var(--radius-md);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.25rem;
        flex-shrink: 0;
    }

    .stat-icon.purple { background: var(--accent-light); color: var(--accent); }
    .stat-icon.green { background: var(--success-light); color: var(--success); }
    .stat-icon.orange { background: var(--warning-light); color: var(--warning); }
    .stat-icon.red { background: var(--danger-light); color: var(--danger); }

    /* Content Grid */
    .content-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .content-grid.full {
        grid-template-columns: 1fr;
    }

    .section-card {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        padding: 1.5rem;
    }

    .section-card .section-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 1.25rem;
    }

    .section-card .section-header h2 {
        font-size: 1rem;
        font-weight: 600;
    }

    .section-card .section-header a {
        font-size: 0.825rem;
        color: var(--accent);
        transition: color var(--transition);
    }

    .section-card .section-header a:hover {
        color: var(--accent-hover);
    }

    /* Activity Feed */
    .activity-list {
        list-style: none;
    }

    .activity-item {
        display: flex;
        align-items: flex-start;
        gap: 0.875rem;
        padding: 0.875rem 0;
        border-bottom: 1px solid var(--border);
    }

    .activity-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    .activity-item:first-child {
        padding-top: 0;
    }

    .activity-icon {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.85rem;
        flex-shrink: 0;
    }

    .activity-icon.signup { background: var(--accent-light); color: var(--accent); }
    .activity-icon.transaction { background: var(--success-light); color: var(--success); }
    .activity-icon.dispute { background: var(--danger-light); color: var(--danger); }

    .activity-content .activity-text {
        font-size: 0.875rem;
        color: var(--text-primary);
        line-height: 1.4;
    }

    .activity-content .activity-text strong {
        font-weight: 600;
    }

    .activity-content .activity-time {
        font-size: 0.75rem;
        color: var(--text-muted);
        margin-top: 0.2rem;
    }

    /* Quick Links */
    .quick-links {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
    }

    .quick-link {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        padding: 0.875rem 1rem;
        background: var(--bg-hover);
        border-radius: var(--radius-md);
        font-size: 0.875rem;
        color: var(--text-secondary);
        transition: all var(--transition);
    }

    .quick-link:hover {
        background: var(--accent-light);
        color: var(--accent);
    }

    .quick-link i {
        width: 20px;
        text-align: center;
    }

    .chart-wrapper {
        position: relative;
        height: 320px;
        width: 100%;
    }

    .chart-empty {
        height: 280px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--bg-hover);
        border-radius: var(--radius-md);
        color: var(--text-muted);
        font-size: 0.875rem;
        flex-direction: column;
        gap: 0.5rem;
    }

    .chart-empty i { font-size: 2rem; opacity: 0.5; }

    @media (max-width: 1200px) {
        .stats-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
        .stats-grid { grid-template-columns: 1fr; }
        .content-grid { grid-template-columns: 1fr; }
        .quick-links { grid-template-columns: 1fr; }
    }
</style>
@endpush

@section('content')
    <div class="page-header">
        <h1>Platform Overview</h1>
        <p>Welcome back! Here's what's happening on Tenseal today.</p>
    </div>

    {{-- Top Stats Row --}}
    <div class="stats-grid">
        <div class="stat-card">
            <div class="stat-info">
                <h3>Total Users</h3>
                <div class="stat-value">{{ number_format($totalUsers ?? 0) }}</div>
                <div class="stat-change up">
                    <i class="fas fa-arrow-up"></i> {{ $newUsersPercent ?? '0' }}% this month
                </div>
            </div>
            <div class="stat-icon purple"><i class="fas fa-users"></i></div>
        </div>

        <div class="stat-card">
            <div class="stat-info">
                <h3>Total Revenue</h3>
                <div class="stat-value">&#8358;{{ number_format($totalRevenue ?? 0, 2) }}</div>
                <div class="stat-change up">
                    <i class="fas fa-arrow-up"></i> {{ $revenueGrowth ?? '0' }}% this month
                </div>
            </div>
            <div class="stat-icon green"><i class="fas fa-chart-line"></i></div>
        </div>

        <div class="stat-card">
            <div class="stat-info">
                <h3>Active Escrows</h3>
                <div class="stat-value">{{ number_format($activeEscrows ?? 0) }}</div>
                <div class="stat-change up">
                    <i class="fas fa-arrow-up"></i> {{ $escrowGrowth ?? '0' }}% this month
                </div>
            </div>
            <div class="stat-icon orange"><i class="fas fa-handshake"></i></div>
        </div>

        <div class="stat-card">
            <div class="stat-info">
                <h3>Inventory Tenants</h3>
                <div class="stat-value">{{ number_format($totalTenants ?? 0) }}</div>
                <div class="stat-change up">
                    <i class="fas fa-arrow-up"></i> {{ $tenantGrowth ?? '0' }}% this month
                </div>
            </div>
            <div class="stat-icon red"><i class="fas fa-building"></i></div>
        </div>
    </div>

    {{-- Second Stats Row --}}
    <div class="stats-grid">
        <div class="stat-card">
            <div class="stat-info">
                <h3>Marketplace Listings</h3>
                <div class="stat-value">{{ number_format($totalListings ?? 0) }}</div>
            </div>
            <div class="stat-icon purple"><i class="fas fa-store"></i></div>
        </div>

        <div class="stat-card">
            <div class="stat-info">
                <h3>Pending Disputes</h3>
                <div class="stat-value">{{ number_format($pendingDisputes ?? 0) }}</div>
            </div>
            <div class="stat-icon red"><i class="fas fa-gavel"></i></div>
        </div>

        <div class="stat-card">
            <div class="stat-info">
                <h3>Pending Verifications</h3>
                <div class="stat-value">{{ number_format($pendingVerifications ?? 0) }}</div>
            </div>
            <div class="stat-icon orange"><i class="fas fa-user-check"></i></div>
        </div>

        <div class="stat-card">
            <div class="stat-info">
                <h3>Active Subscriptions</h3>
                <div class="stat-value">{{ number_format($activeSubscriptions ?? 0) }}</div>
            </div>
            <div class="stat-icon green"><i class="fas fa-credit-card"></i></div>
        </div>
    </div>

    {{-- Revenue Chart --}}
    <div class="section-card" style="margin-bottom: 1.5rem;">
        <div class="section-header">
            <h2><i class="fas fa-chart-area" style="color: var(--accent); margin-right: 0.5rem;"></i> Monthly Revenue Trend</h2>
            <span style="font-size: 0.8rem; color: var(--text-muted);">Last 12 months</span>
        </div>
        @if(collect($revenueChartData ?? [])->sum() > 0)
            <div class="chart-wrapper">
                <canvas id="revenueChart"></canvas>
            </div>
        @else
            <div class="chart-empty">
                <i class="fas fa-chart-area"></i>
                <span>No revenue recorded yet for the last 12 months.</span>
            </div>
        @endif
    </div>

    {{-- Activity Feed + Quick Links --}}
    <div class="content-grid">
        <div class="section-card">
            <div class="section-header">
                <h2><i class="fas fa-stream" style="color: var(--accent); margin-right: 0.5rem;"></i> Recent Activity</h2>
                <a href="#">View All</a>
            </div>
            <ul class="activity-list">
                @forelse(($recentActivity ?? []) as $activity)
                    <li class="activity-item">
                        <div class="activity-icon {{ $activity['type'] ?? 'signup' }}">
                            @if(($activity['type'] ?? '') === 'signup')
                                <i class="fas fa-user-plus"></i>
                            @elseif(($activity['type'] ?? '') === 'transaction')
                                <i class="fas fa-exchange-alt"></i>
                            @elseif(($activity['type'] ?? '') === 'dispute')
                                <i class="fas fa-exclamation-triangle"></i>
                            @else
                                <i class="fas fa-circle"></i>
                            @endif
                        </div>
                        <div class="activity-content">
                            <div class="activity-text">{!! $activity['message'] ?? '' !!}</div>
                            <div class="activity-time">{{ $activity['time'] ?? '' }}</div>
                        </div>
                    </li>
                @empty
                    <li class="activity-item">
                        <div class="activity-icon signup"><i class="fas fa-info-circle"></i></div>
                        <div class="activity-content">
                            <div class="activity-text" style="color: var(--text-muted);">No recent activity to display.</div>
                        </div>
                    </li>
                @endforelse
            </ul>
        </div>

        <div class="section-card">
            <div class="section-header">
                <h2><i class="fas fa-bolt" style="color: var(--warning); margin-right: 0.5rem;"></i> Quick Links</h2>
            </div>
            <div class="quick-links">
                <a href="{{ route('admin.users.index') }}" class="quick-link">
                    <i class="fas fa-users"></i> Manage Users
                </a>
                <a href="{{ route('admin.escrow.disputes') }}" class="quick-link">
                    <i class="fas fa-gavel"></i> Review Disputes
                </a>
                <a href="{{ route('admin.verifications') }}" class="quick-link">
                    <i class="fas fa-user-check"></i> Review Verifications
                </a>
                <a href="{{ route('admin.plans.index') }}" class="quick-link">
                    <i class="fas fa-credit-card"></i> Manage Plans
                </a>
                <a href="{{ route('admin.escrow.transactions') }}" class="quick-link">
                    <i class="fas fa-exchange-alt"></i> Escrow Transactions
                </a>
                <a href="{{ route('admin.analytics') }}" class="quick-link">
                    <i class="fas fa-chart-line"></i> Analytics
                </a>
                <a href="{{ route('admin.marketplace.listings') }}" class="quick-link">
                    <i class="fas fa-store"></i> Marketplace
                </a>
                <a href="{{ route('admin.settings') }}" class="quick-link">
                    <i class="fas fa-cog"></i> Platform Settings
                </a>
            </div>
        </div>
    </div>
@endsection

@push('scripts')
@if(collect($revenueChartData ?? [])->sum() > 0)
<script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.1/dist/chart.umd.min.js"></script>
<script>
(function () {
    const canvas = document.getElementById('revenueChart');
    if (!canvas || typeof Chart === 'undefined') return;

    const labels = @json($revenueChartLabels ?? []);
    const data = @json($revenueChartData ?? []);

    const styles = getComputedStyle(document.documentElement);
    const accent = (styles.getPropertyValue('--accent') || '#7c3aed').trim();
    const textMuted = (styles.getPropertyValue('--text-muted') || '#94a3b8').trim();
    const border = (styles.getPropertyValue('--border') || 'rgba(148,163,184,0.2)').trim();

    const ctx = canvas.getContext('2d');
    const gradient = ctx.createLinearGradient(0, 0, 0, 320);
    gradient.addColorStop(0, accent + '55');
    gradient.addColorStop(1, accent + '05');

    new Chart(ctx, {
        type: 'line',
        data: {
            labels: labels,
            datasets: [{
                label: 'Revenue (₦)',
                data: data,
                fill: true,
                backgroundColor: gradient,
                borderColor: accent,
                borderWidth: 2,
                tension: 0.35,
                pointRadius: 3,
                pointHoverRadius: 5,
                pointBackgroundColor: accent,
            }]
        },
        options: {
            responsive: true,
            maintainAspectRatio: false,
            interaction: { mode: 'index', intersect: false },
            plugins: {
                legend: { display: false },
                tooltip: {
                    callbacks: {
                        label: (ctx) => '₦' + Number(ctx.parsed.y).toLocaleString('en-NG', { minimumFractionDigits: 2, maximumFractionDigits: 2 })
                    }
                }
            },
            scales: {
                x: {
                    grid: { color: border, drawBorder: false },
                    ticks: { color: textMuted, font: { size: 11 } }
                },
                y: {
                    grid: { color: border, drawBorder: false },
                    ticks: {
                        color: textMuted,
                        font: { size: 11 },
                        callback: (v) => '₦' + Number(v).toLocaleString('en-NG')
                    },
                    beginAtZero: true
                }
            }
        }
    });
})();
</script>
@endif
@endpush