@extends('layouts.app')
@section('title', $purchaseOrder->po_number)
@section('breadcrumb')<a href="{{ route('purchase-orders.index') }}" class="hover:text-white">Purchase Orders</a> <i class="fas fa-chevron-right text-xs mx-1 text-slate-600"></i> <span class="text-white">{{ $purchaseOrder->po_number }}</span>@endsection

@section('content')

@if(session('success'))
<div class="card p-4 mb-4 border-green-700 bg-green-900/20">
    <p class="text-green-400 text-sm"><i class="fas fa-check-circle mr-2"></i>{{ session('success') }}</p>
</div>
@endif

<div class="grid grid-cols-1 lg:grid-cols-3 gap-6">
    <div class="lg:col-span-2 space-y-5">

        {{-- Header --}}
        <div class="card p-5">
            <div class="flex items-start justify-between">
                <div>
                    <div class="flex items-center gap-3 mb-1">
                        <h1>{{ $purchaseOrder->po_number }}</h1>
                        <span class="badge badge-{{ $purchaseOrder->statusColor() }}">{{ ucfirst($purchaseOrder->status) }}</span>
                    </div>
                    <p>{{ $purchaseOrder->supplier?->company ?: ($purchaseOrder->supplier?->full_name ?? 'No supplier') }} · Created by {{ $purchaseOrder->createdBy?->name ?? '—' }}</p>
                </div>
                <div class="flex gap-2">
                    @if(!in_array($purchaseOrder->status, ['received','cancelled']))
                    <a href="{{ route('purchase-orders.edit', $purchaseOrder) }}" class="btn btn-secondary">
                        <i class="fas fa-edit mr-1"></i> Edit
                    </a>
                    @endif
                    @if(!in_array($purchaseOrder->status, ['received','cancelled']))
                    <a href="{{ route('purchase-orders.receive', $purchaseOrder) }}" class="btn btn-success">
                        <i class="fas fa-truck-loading mr-1"></i> Receive Stock
                    </a>
                    @endif
                    @if(auth()->user()->role?->name === 'office_admin')
                    <form method="POST" action="{{ route('purchase-orders.destroy', $purchaseOrder) }}"
                          onsubmit="return confirm('Delete {{ $purchaseOrder->po_number }}? This cannot be undone.')">
                        @csrf @method('DELETE')
                        <button type="submit" class="btn" style="background:#7f1d1d;color:#fca5a5;">
                            <i class="fas fa-trash"></i>
                        </button>
                    </form>
                    @endif
                </div>
            </div>
        </div>

        {{-- Items --}}
        <div class="card overflow-hidden">
            <div class="p-4 border-b border-slate-700">
                <h3>Line Items</h3>
            </div>
            <div class="overflow-x-auto">
                <table class="w-full text-sm">
                    <thead>
                        <tr class="text-xs text-slate-400 border-b border-slate-700">
                            <th class="px-4 py-3 text-left">Description</th>
                            <th class="px-4 py-3 text-left">SKU</th>
                            <th class="px-4 py-3 text-right">Ordered</th>
                            <th class="px-4 py-3 text-right">Received</th>
                            <th class="px-4 py-3 text-right">Outstanding</th>
                            <th class="px-4 py-3 text-right">Unit Cost</th>
                            <th class="px-4 py-3 text-right">Total</th>
                        </tr>
                    </thead>
                    <tbody>
                        @foreach($purchaseOrder->items as $item)
                        <tr class="table-row border-b border-slate-800">
                            <td class="px-4 py-3 text-white">{{ $item->description }}</td>
                            <td class="px-4 py-3 font-mono text-slate-400 text-xs">{{ $item->sku ?? '—' }}</td>
                            <td class="px-4 py-3 text-right text-slate-300">{{ number_format($item->qty_ordered, 2) }} {{ $item->unit }}</td>
                            <td class="px-4 py-3 text-right text-green-400">{{ number_format($item->qty_received, 2) }}</td>
                            <td class="px-4 py-3 text-right {{ $item->qtyOutstanding() > 0 ? 'text-yellow-400' : 'text-slate-500' }}">{{ number_format($item->qtyOutstanding(), 2) }}</td>
                            <td class="px-4 py-3 text-right text-slate-400">${{ number_format($item->unit_cost, 2) }}</td>
                            <td class="px-4 py-3 text-right text-white font-medium">${{ number_format($item->total_cost, 2) }}</td>
                        </tr>
                        @endforeach
                    </tbody>
                    <tfoot>
                        <tr class="border-t-2 border-slate-600 font-semibold">
                            <td colspan="6" class="px-4 py-3 text-right text-slate-300">Total:</td>
                            <td class="px-4 py-3 text-right text-white">${{ number_format($purchaseOrder->totalCost(), 2) }}</td>
                        </tr>
                    </tfoot>
                </table>
            </div>
        </div>

        {{-- Receipts --}}
        @if($purchaseOrder->receipts->count())
        <div class="card overflow-hidden">
            <div class="p-4 border-b border-slate-700"><h3>Receipt History</h3></div>
            @foreach($purchaseOrder->receipts as $receipt)
            <div class="p-4 border-b border-slate-800">
                <div class="flex items-center justify-between mb-2">
                    <span class="text-sm font-medium text-white">Received {{ $receipt->received_date->format('d M Y') }}</span>
                    <span class="text-xs text-slate-400">by {{ $receipt->receivedBy?->name ?? '—' }}</span>
                </div>
                @if($receipt->notes)<p class="text-xs text-slate-500 mb-2">{{ $receipt->notes }}</p>@endif
                <table class="w-full text-xs">
                    <thead><tr class="text-slate-500"><th class="text-left pb-1">Item</th><th class="text-right pb-1">Qty Received</th><th class="text-left pb-1 pl-3">Location</th></tr></thead>
                    <tbody>
                        @foreach($receipt->items as $ri)
                        <tr class="border-t border-slate-800">
                            <td class="py-1 text-slate-300">{{ $ri->purchaseOrderItem?->description }}</td>
                            <td class="py-1 text-right text-green-400">{{ number_format($ri->qty_received, 2) }}</td>
                            <td class="py-1 pl-3 text-slate-400 text-xs">{{ $ri->location ?? '—' }}</td>
                        </tr>
                        @endforeach
                    </tbody>
                </table>
            </div>
            @endforeach
        </div>
        @endif

    </div>

    {{-- Sidebar --}}
    <div class="space-y-4">
        <div class="card p-5">
            <h3 class="mb-3">Details</h3>
            <div class="space-y-2 text-sm">
                <div class="flex justify-between"><span class="text-slate-400">Supplier</span><span class="text-white">{{ $purchaseOrder->supplier?->company ?: ($purchaseOrder->supplier?->full_name ?? '—') }}</span></div>
                <div class="flex justify-between"><span class="text-slate-400">Order Date</span><span class="text-white">{{ $purchaseOrder->order_date?->format('d M Y') ?? '—' }}</span></div>
                <div class="flex justify-between"><span class="text-slate-400">Expected</span><span class="text-white">{{ $purchaseOrder->expected_date?->format('d M Y') ?? '—' }}</span></div>
                <div class="flex justify-between"><span class="text-slate-400">Reference</span><span class="text-white">{{ $purchaseOrder->reference ?? '—' }}</span></div>
                <div class="flex justify-between font-semibold border-t border-slate-700 pt-2"><span class="text-slate-300">Total Cost</span><span class="text-white">${{ number_format($purchaseOrder->totalCost(), 2) }}</span></div>
            </div>
        </div>

        @if(!in_array($purchaseOrder->status, ['received','cancelled']))
        <div class="card p-4 space-y-2">
            <a href="{{ route('purchase-orders.receive', $purchaseOrder) }}" class="btn btn-success w-full justify-center">
                <i class="fas fa-truck-loading mr-2"></i>Receive Stock
            </a>
            <a href="{{ route('purchase-orders.edit', $purchaseOrder) }}" class="btn btn-secondary w-full justify-center">
                <i class="fas fa-edit mr-2"></i>Edit PO
            </a>
        </div>
        @endif

        {{-- Allocations --}}
        @if($purchaseOrder->allocations->count())
        <div class="card p-5">
            <h3 class="mb-3">Job Allocations</h3>
            <div class="space-y-2">
                @foreach($purchaseOrder->allocations as $alloc)
                <div class="flex justify-between text-sm">
                    <div>
                        <div class="text-white">{{ $alloc->job?->job_number }}</div>
                        <div class="text-xs text-slate-500">{{ $alloc->description }}</div>
                    </div>
                    <span class="text-orange-400 font-medium">${{ number_format($alloc->total_cost, 2) }}</span>
                </div>
                @endforeach
            </div>
        </div>
        @endif

        @if($purchaseOrder->notes)
        <div class="card p-5"><h3 class="mb-2">Notes</h3><p class="text-sm">{{ $purchaseOrder->notes }}</p></div>
        @endif
    </div>
</div>
@endsection