@extends('layouts.app')

@section('title', 'Export Dashboard')

@push('styles')
<script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.0/dist/chart.umd.min.js"></script>
@endpush

@section('breadcrumbs')
<nav aria-label="breadcrumb">
    <ol class="breadcrumb">
        <li class="breadcrumb-item active">Export Dashboard</li>
    </ol>
</nav>
@endsection

@section('content')
<div class="d-flex justify-content-between align-items-center mb-4">
    <div>
        <h1 class="h3 mb-1 text-dark fw-semibold">Export Dashboard</h1>
        <p class="text-muted mb-0">Overview of export operations</p>
    </div>
    <div class="d-flex gap-2">
        <select class="form-select form-select-sm" style="width:150px" id="periodFilter">
            <option value="today">Today</option>
            <option value="week">This Week</option>
            <option value="month" selected>This Month</option>
            <option value="quarter">This Quarter</option>
            <option value="year">This Year</option>
        </select>
    </div>
</div>

<div class="row g-4 mb-4">
    @php
        $kpiCards = [
            ['title' => 'Total Orders', 'value' => number_format($kpi['total_orders'] ?? 0), 'change' => '+12%', 'changeType' => 'up', 'icon' => 'bi-cart3', 'color' => 'primary'],
            ['title' => 'Pending Shipments', 'value' => number_format($kpi['pending_shipments'] ?? 0), 'change' => '-5%', 'changeType' => 'down', 'icon' => 'bi-hourglass-split', 'color' => 'warning'],
            ['title' => 'In Transit', 'value' => number_format($kpi['in_transit'] ?? 0), 'change' => '+8%', 'changeType' => 'up', 'icon' => 'bi-truck', 'color' => 'info'],
            ['title' => 'Delivered', 'value' => number_format($kpi['delivered'] ?? 0), 'change' => '+15%', 'changeType' => 'up', 'icon' => 'bi-check-circle-fill', 'color' => 'success'],
        ];
    @endphp
    @foreach($kpiCards as $kpi)
    <div class="col-xl-3 col-md-6">
        <div class="card border-0 shadow-sm h-100">
            <div class="card-body">
                <div class="d-flex justify-content-between">
                    <div>
                        <p class="text-muted mb-1 small fw-medium">{{ $kpi['title'] }}</p>
                        <h3 class="mb-0 fw-bold">{{ $kpi['value'] }}</h3>
                    </div>
                    <div class="bg-{{ $kpi['color'] }}-subtle rounded-3 d-flex align-items-center justify-content-center" style="width:48px;height:48px">
                        <i class="bi {{ $kpi['icon'] }} fs-4 text-{{ $kpi['color'] }}"></i>
                    </div>
                </div>
                <div class="mt-2">
                    <small class="text-{{ $kpi['changeType'] === 'up' ? 'success' : 'danger' }}">
                        <i class="bi bi-arrow-{{ $kpi['changeType'] === 'up' ? 'up' : 'down' }} me-1"></i>{{ $kpi['change'] }}
                    </small>
                    <small class="text-muted">vs last period</small>
                </div>
            </div>
        </div>
    </div>
    @endforeach
</div>

<div class="row g-4 mb-4">
    <div class="col-xl-3 col-md-6">
        <div class="card border-0 shadow-sm h-100">
            <div class="card-body">
                <p class="text-muted mb-1 small fw-medium">Total Export Value</p>
                <h3 class="mb-0 fw-bold text-primary">${{ number_format($kpi['total_value'] ?? 0, 2) }}</h3>
                <small class="text-muted">{{ $kpi['currency'] ?? 'USD' }}</small>
            </div>
        </div>
    </div>
    <div class="col-xl-3 col-md-6">
        <div class="card border-0 shadow-sm h-100">
            <div class="card-body">
                <p class="text-muted mb-1 small fw-medium">Active Bookings</p>
                <h3 class="mb-0 fw-bold text-info">{{ $kpi['active_bookings'] ?? 0 }}</h3>
                <small class="text-muted">Containers booked</small>
            </div>
        </div>
    </div>
    <div class="col-xl-3 col-md-6">
        <div class="card border-0 shadow-sm h-100">
            <div class="card-body">
                <p class="text-muted mb-1 small fw-medium">Pending Documents</p>
                <h3 class="mb-0 fw-bold text-warning">{{ $kpi['pending_docs'] ?? 0 }}</h3>
                <small class="text-muted">Awaiting dispatch</small>
            </div>
        </div>
    </div>
    <div class="col-xl-3 col-md-6">
        <div class="card border-0 shadow-sm h-100">
            <div class="card-body">
                <p class="text-muted mb-1 small fw-medium">Revenue This Month</p>
                <h3 class="mb-0 fw-bold text-success">${{ number_format($kpi['monthly_revenue'] ?? 0, 2) }}</h3>
                <small class="text-success">+{{ $kpi['revenue_change'] ?? 0 }}% vs last month</small>
            </div>
        </div>
    </div>
</div>

<div class="row g-4 mb-4">
    <div class="col-xl-8">
        <div class="card border-0 shadow-sm h-100">
            <div class="card-header bg-white py-3">
                <h5 class="mb-0 fw-semibold">Monthly Export Volume</h5>
            </div>
            <div class="card-body">
                <canvas id="monthlyChart" height="100"></canvas>
            </div>
        </div>
    </div>
    <div class="col-xl-4">
        <div class="card border-0 shadow-sm h-100">
            <div class="card-header bg-white py-3">
                <h5 class="mb-0 fw-semibold">Top Destinations</h5>
            </div>
            <div class="card-body">
                <canvas id="destinationsChart" height="200"></canvas>
            </div>
        </div>
    </div>
</div>

<div class="row g-4 mb-4">
    <div class="col-xl-8">
        <div class="card border-0 shadow-sm">
            <div class="card-header bg-white py-3 d-flex justify-content-between align-items-center">
                <h5 class="mb-0 fw-semibold">Recent Orders</h5>
                <a href="{{ route('export.orders.index') }}" class="btn btn-sm btn-outline-primary">View All</a>
            </div>
            <div class="card-body p-0">
                <div class="table-responsive">
                    <table class="table table-hover align-middle mb-0">
                        <thead class="bg-light"><tr><th class="border-0 px-3 py-3 fw-semibold text-muted small">Order #</th><th class="border-0 px-3 py-3 fw-semibold text-muted small">Customer</th><th class="border-0 px-3 py-3 fw-semibold text-muted small">Commodity</th><th class="border-0 px-3 py-3 fw-semibold text-muted small">ETD</th><th class="border-0 px-3 py-3 fw-semibold text-muted small">Amount</th><th class="border-0 px-3 py-3 fw-semibold text-muted small">Status</th></tr></thead>
                        <tbody>
                            @forelse($recentOrders ?? [] as $order)
                            <tr>
                                <td class="px-3"><a href="{{ route('export.orders.show', $order) }}" class="fw-semibold text-decoration-none">{{ $order->order_number }}</a></td>
                                <td class="px-3">{{ $order->customer->name ?? 'N/A' }}</td>
                                <td class="px-3">{{ $order->commodity->name ?? 'N/A' }}</td>
                                <td class="px-3 text-muted">{{ optional($order->etd)->format('d M Y') ?? 'TBD' }}</td>
                                <td class="px-3 fw-medium">{{ number_format($order->total_amount, 2) }}</td>
                                <td class="px-3">
                                    @php $sc = ['draft'=>'secondary','confirmed'=>'info','shipped'=>'primary','delivered'=>'success','on_hold'=>'danger']; @endphp
                                    <span class="badge bg-{{ $sc[$order->status] ?? 'secondary' }} px-2 py-1 fw-medium">{{ str_replace('_', ' ', ucfirst($order->status)) }}</span>
                                </td>
                            </tr>
                            @empty
                            <tr><td colspan="6" class="text-center py-4 text-muted">No recent orders</td></tr>
                            @endforelse
                        </tbody>
                    </table>
                </div>
            </div>
        </div>
    </div>
    <div class="col-xl-4">
        <div class="card border-0 shadow-sm">
            <div class="card-header bg-white py-3">
                <h5 class="mb-0 fw-semibold">Alerts & Notifications</h5>
            </div>
            <div class="card-body">
                @forelse($alerts ?? [] as $alert)
                <div class="d-flex align-items-start mb-3 pb-3 {{ !$loop->last ? 'border-bottom' : '' }}">
                    <div class="bg-{{ $alert['type'] ?? 'warning' }}-subtle rounded-circle me-3 mt-1 flex-shrink-0" style="width:32px;height:32px;display:flex;align-items:center;justify-content:center">
                        <i class="bi bi-{{ $alert['icon'] ?? 'exclamation-triangle' }} text-{{ $alert['type'] ?? 'warning' }}" style="font-size:14px"></i>
                    </div>
                    <div>
                        <p class="mb-0 small fw-medium">{{ $alert['title'] ?? 'Alert' }}</p>
                        <p class="mb-0 small text-muted">{{ $alert['message'] ?? '' }}</p>
                        <small class="text-muted">{{ $alert['time'] ?? '' }}</small>
                    </div>
                </div>
                @empty
                <div class="text-center py-4 text-muted">
                    <i class="bi bi-bell-slash d-block mb-2 fs-4"></i>
                    <p class="small">No alerts</p>
                </div>
                @endforelse
            </div>
        </div>
    </div>
</div>
@endsection

@push('scripts')
<script>
document.addEventListener('DOMContentLoaded', function() {
    const months = {!! json_encode($chartData['months'] ?? ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec']) !!};
    const volumes = {!! json_encode($chartData['volumes'] ?? array_fill(0, 12, 0)) !!};
    const values = {!! json_encode($chartData['values'] ?? array_fill(0, 12, 0)) !!};

    new Chart(document.getElementById('monthlyChart'), {
        type: 'bar',
        data: {
            labels: months,
            datasets: [
                { label: 'Orders', data: volumes, backgroundColor: 'rgba(13,110,253,0.7)', borderRadius: 4, barPercentage: 0.6 },
                { label: 'Revenue ($K)', data: values, type: 'line', borderColor: '#198754', backgroundColor: 'rgba(25,135,84,0.1)', fill: true, tension: 0.4, yAxisID: 'y1' }
            ]
        },
        options: {
            responsive: true,
            plugins: { legend: { position: 'top' } },
            scales: { y: { beginAtZero: true }, y1: { position: 'right', beginAtZero: true, grid: { drawOnChartArea: false } } }
        }
    });

    const destLabels = {!! json_encode($chartData['top_destinations']['labels'] ?? ['USA', 'UK', 'Germany', 'UAE', 'Others']) !!};
    const destValues = {!! json_encode($chartData['top_destinations']['values'] ?? [30, 20, 15, 10, 25]) !!};

    new Chart(document.getElementById('destinationsChart'), {
        type: 'doughnut',
        data: {
            labels: destLabels,
            datasets: [{ data: destValues, backgroundColor: ['#0d6efd', '#198754', '#ffc107', '#dc3545', '#6c757d'] }]
        },
        options: { responsive: true, plugins: { legend: { position: 'bottom' } } }
    });
});
</script>
@endpush