@extends('layouts.admin')

@section('page_title', 'Admin Dashboard')

@section('content')
<div class="row g-4 mb-5">
    <!-- Header with Date Filters -->
    <div class="col-12">
        <div class="card admin-card p-4 border-0 shadow-sm" style="border-radius: 24px;">
            <form action="{{ route('admin.dashboard') }}" method="GET" class="row align-items-end g-3">
                <div class="col-md-4">
                    <h5 class="fw-bold mb-1">Performance Overview</h5>
                    <p class="text-secondary small mb-0">Track your platform's growth and revenue.</p>
                </div>
                <div class="col-md-3">
                    <label class="form-label small fw-bold text-secondary">Start Date</label>
                    <input type="date" name="start_date" value="{{ $startDate->format('Y-m-d') }}" class="form-control border-0 bg-light rounded-3">
                </div>
                <div class="col-md-3">
                    <label class="form-label small fw-bold text-secondary">End Date</label>
                    <input type="date" name="end_date" value="{{ $endDate->format('Y-m-d') }}" class="form-control border-0 bg-light rounded-3">
                </div>
                <div class="col-md-2">
                    <button type="submit" class="btn btn-primary w-100 py-2 fw-bold" style="border-radius: 12px;">
                        <i class="bi bi-filter me-2"></i> Update
                    </button>
                </div>
            </form>
        </div>
    </div>

    <!-- Stats Widgets -->
    <div class="col-md-3">
        <div class="card admin-card p-3 border-0 shadow-sm" style="border-radius: 12px;">
            <div class="d-flex align-items-center">
                <div class="rounded-3 d-flex align-items-center justify-content-center me-3" style="width: 56px; height: 56px; background-color: #3b82f6;">
                    <i class="bi bi-wallet2 text-white fs-4"></i>
                </div>
                <div>
                    <h4 class="fw-bold mb-0">${{ number_format($stats['total_revenue'], 0) }}</h4>
                    <span class="text-uppercase text-muted fw-bold" style="font-size: 0.65rem; letter-spacing: 0.5px;">Total Revenue</span>
                </div>
            </div>
        </div>
    </div>

    <div class="col-md-3">
        <div class="card admin-card p-3 border-0 shadow-sm" style="border-radius: 12px;">
            <div class="d-flex align-items-center">
                <div class="rounded-3 d-flex align-items-center justify-content-center me-3" style="width: 56px; height: 56px; background-color: #10b981;">
                    <i class="bi bi-graph-up-arrow text-white fs-4"></i>
                </div>
                <div>
                    <h4 class="fw-bold mb-0">${{ number_format($stats['period_revenue'], 0) }}</h4>
                    <span class="text-uppercase text-muted fw-bold" style="font-size: 0.65rem; letter-spacing: 0.5px;">Period Revenue</span>
                </div>
            </div>
        </div>
    </div>

    <div class="col-md-3">
        <div class="card admin-card p-3 border-0 shadow-sm" style="border-radius: 12px;">
            <div class="d-flex align-items-center">
                <div class="rounded-3 d-flex align-items-center justify-content-center me-3" style="width: 56px; height: 56px; background-color: #8b5cf6;">
                    <i class="bi bi-cart-check-fill text-white fs-4"></i>
                </div>
                <div>
                    <h4 class="fw-bold mb-0">{{ $stats['orders_count'] }}</h4>
                    <span class="text-uppercase text-muted fw-bold" style="font-size: 0.65rem; letter-spacing: 0.5px;">Total Orders</span>
                </div>
            </div>
        </div>
    </div>

    <div class="col-md-3">
        <div class="card admin-card p-3 border-0 shadow-sm" style="border-radius: 12px;">
            <div class="d-flex align-items-center">
                <div class="rounded-3 d-flex align-items-center justify-content-center me-3" style="width: 56px; height: 56px; background-color: #f59e0b;">
                    <i class="bi bi-people-fill text-white fs-4"></i>
                </div>
                <div>
                    <h4 class="fw-bold mb-0">{{ $stats['users'] }}</h4>
                    <span class="text-uppercase text-muted fw-bold" style="font-size: 0.65rem; letter-spacing: 0.5px;">Students</span>
                </div>
            </div>
        </div>
    </div>
</div>

<div class="row g-4">
    <div class="col-lg-8">
        <div class="card admin-card border-0 shadow-sm mb-4" style="border-radius: 12px;">
            <div class="card-header bg-white border-0 py-3 d-flex justify-content-between align-items-center">
                <div class="d-flex align-items-center">
                    <div class="bg-primary bg-opacity-10 text-primary rounded-2 p-2 me-3">
                        <i class="bi bi-graph-up fs-5"></i>
                    </div>
                    <h6 class="fw-bold mb-0">Revenue Overview</h6>
                </div>
                <div class="small text-secondary fw-semibold">Last {{ $startDate->diffInDays($endDate) }} days</div>
            </div>
            <div class="card-body">
                <div style="height: 300px;">
                    <canvas id="revenueChart"></canvas>
                </div>
            </div>
        </div>

        <div class="card admin-card border-0 shadow-sm" style="border-radius: 12px;">
            <div class="card-header bg-white border-0 py-3 d-flex justify-content-between align-items-center">
                <div class="d-flex align-items-center">
                    <div class="bg-info bg-opacity-10 text-info rounded-2 p-2 me-3">
                        <i class="bi bi-clock-history fs-5"></i>
                    </div>
                    <h6 class="fw-bold mb-0">Recent Purchases</h6>
                </div>
                <a href="{{ route('admin.purchases.index') }}" class="btn btn-sm btn-light border-0 px-3" style="border-radius: 6px; font-size: 0.75rem;">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 bg-opacity-50">
                            <tr>
                                <th class="border-0 small text-uppercase py-3">Student</th>
                                <th class="border-0 small text-uppercase py-3">Item</th>
                                <th class="border-0 small text-uppercase py-3">Amount</th>
                                <th class="border-0 small text-uppercase py-3">Date</th>
                            </tr>
                        </thead>
                        <tbody>
                            @forelse($stats['recent_purchases'] as $purchase)
                                <tr>
                                    <td class="py-3 px-4 border-0">
                                        <div class="d-flex align-items-center">
                                            <div class="bg-primary bg-opacity-10 text-primary rounded-circle d-flex align-items-center justify-content-center me-3" style="width: 32px; height: 32px; font-size: 0.8rem; font-weight: 700;">
                                                {{ strtoupper(substr($purchase->user->name, 0, 1)) }}
                                            </div>
                                            <div>
                                                <div class="fw-bold small text-dark">{{ $purchase->user->name }}</div>
                                                <div class="text-secondary" style="font-size: 0.65rem;">{{ $purchase->user->email }}</div>
                                            </div>
                                        </div>
                                    </td>
                                    <td class="py-3 border-0">
                                        <div class="small fw-semibold text-dark">{{ $purchase->purchaseable ? $purchase->purchaseable->name : 'N/A' }}</div>
                                        <div class="text-secondary" style="font-size: 0.65rem;">{{ class_basename($purchase->purchaseable_type) }}</div>
                                    </td>
                                    <td class="py-3 border-0">
                                        <span class="fw-bold text-dark">${{ number_format($purchase->amount, 2) }}</span>
                                    </td>
                                    <td class="py-3 border-0 small text-secondary">
                                        {{ $purchase->created_at->format('M d, Y') }}
                                    </td>
                                </tr>
                            @empty
                                <tr>
                                    <td colspan="4" class="text-center py-5 text-secondary small">No recent purchases found.</td>
                                </tr>
                            @endforelse
                        </tbody>
                    </table>
                </div>
            </div>
        </div>
    </div>

    <div class="col-lg-4">
        <div class="card admin-card border-0 shadow-sm bg-white" style="border-radius: 12px;">
            <div class="card-body p-4 text-center">
                <div class="bg-primary bg-opacity-10 text-primary rounded-circle d-inline-flex align-items-center justify-content-center mb-3" style="width: 64px; height: 64px;">
                    <i class="bi bi-shield-lock-fill fs-3"></i>
                </div>
                <h5 class="fw-bold text-dark mb-2">Security & Audit</h5>
                <p class="text-secondary small mb-4">You are currently logged in as a super administrator with full access to curriculum management and sales data.</p>
                <div class="d-grid gap-2">
                    <a href="{{ route('admin.courses.index') }}" class="btn btn-primary py-2 fw-bold" style="border-radius: 8px; font-size: 0.9rem;">Manage Content</a>
                    <a href="{{ route('admin.purchases.index') }}" class="btn btn-outline-secondary py-2 fw-bold" style="border-radius: 8px; font-size: 0.9rem;">Sales Report</a>
                </div>
            </div>
        </div>
    </div>
</div>

@push('scripts')
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<script>
document.addEventListener('DOMContentLoaded', function () {
    const ctx = document.getElementById('revenueChart').getContext('2d');
    const chartData = @json($chartData);
    
    new Chart(ctx, {
        type: 'line',
        data: {
            labels: chartData.map(d => d.date),
            datasets: [{
                label: 'Revenue ($)',
                data: chartData.map(d => d.total),
                borderColor: '#4f46e5',
                backgroundColor: 'rgba(79, 70, 229, 0.1)',
                fill: true,
                tension: 0.4,
                borderWidth: 3,
                pointBackgroundColor: '#fff',
                pointBorderColor: '#4f46e5',
                pointBorderWidth: 2,
                pointRadius: 4,
                pointHoverRadius: 6
            }]
        },
        options: {
            responsive: true,
            maintainAspectRatio: false,
            plugins: {
                legend: { display: false }
            },
            scales: {
                y: {
                    beginAtZero: true,
                    grid: { color: 'rgba(0,0,0,0.05)', drawBorder: false },
                    ticks: { font: { family: 'Outfit', size: 11 } }
                },
                x: {
                    grid: { display: false },
                    ticks: { font: { family: 'Outfit', size: 11 } }
                }
            }
        }
    });
});
</script>
@endpush
@endsection