@extends('layouts.app')

@section('title', 'Purchase Orders')

@section('content')
<div class="px-4 py-6 sm:px-0">
    <div class="flex justify-between items-center mb-6">
        <div>
            <h1 class="text-3xl font-bold text-gray-900">Purchase Orders</h1>
            <p class="text-sm text-gray-600">Track orders sent to suppliers and their linked customer revenue.</p>
        </div>
        <a href="{{ route('purchase-orders.create') }}" class="inline-flex items-center px-4 py-2 bg-blue-600 border border-transparent rounded-md font-semibold text-xs text-white uppercase tracking-widest hover:bg-blue-700">
            <i class="fas fa-plus mr-2"></i> New Purchase Order
        </a>
    </div>

    <div class="bg-white p-4 rounded-lg shadow-sm mb-6 border border-gray-200">
        <form action="{{ route('purchase-orders.index') }}" method="GET" class="flex flex-wrap gap-4">
            <div class="flex-1 min-w-[200px]">
                <label class="block text-xs font-medium text-gray-500 uppercase mb-1">Supplier</label>
                <select name="supplier_id" class="block w-full rounded-md border-gray-300 text-sm focus:ring-blue-500">
                    <option value="">All Suppliers</option>
                    @foreach($suppliers as $supplier)
                        <option value="{{ $supplier->id }}" {{ request('supplier_id') == $supplier->id ? 'selected' : '' }}>
                            {{ $supplier->name }}
                        </option>
                    @endforeach
                </select>
            </div>

            <div class="w-40">
                <label class="block text-xs font-medium text-gray-500 uppercase mb-1">Status</label>
                <select name="status" class="block w-full rounded-md border-gray-300 text-sm">
                    <option value="">All Statuses</option>
                    <option value="ordered" {{ request('status') == 'ordered' ? 'selected' : '' }}>Ordered</option>
                    <option value="received" {{ request('status') == 'received' ? 'selected' : '' }}>Received</option>
                    <option value="invoiced" {{ request('status') == 'invoiced' ? 'selected' : '' }}>Invoiced</option>
                </select>
            </div>

            <div class="flex items-end">
                <button type="submit" class="px-4 py-2 bg-gray-100 text-gray-700 rounded-md text-sm font-medium hover:bg-gray-200">
                    Filter
                </button>
            </div>
        </form>
    </div>

    <div class="bg-white shadow overflow-hidden sm:rounded-lg border border-gray-200">
        <table class="min-w-full divide-y divide-gray-200">
            <thead class="bg-gray-50">
                <tr>
                    <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">PO Info</th>
                    <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Customer Job</th>
                    <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Item Description</th>
                    <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Total Cost</th>
                    <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Status</th>
                    <th class="px-6 py-3 text-right text-xs font-medium text-gray-500 uppercase tracking-wider">Actions</th>
                </tr>
            </thead>
            <tbody class="bg-white divide-y divide-gray-200">
                @forelse($pos as $po)
                <tr>
                    <td class="px-6 py-4 whitespace-nowrap">
                        <div class="text-sm font-bold text-gray-900">{{ $po->po_number }}</div>
                        <div class="text-xs text-gray-500">{{ $po->supplier->name }}</div>
                        <div class="text-xs text-gray-400">{{ $po->order_date->format('d/m/Y') }}</div>
                    </td>
                    <td class="px-6 py-4 whitespace-nowrap">
                        <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-orange-100 text-orange-800">
                            {{ $po->clientInvoice->invoice_number ?? 'N/A' }}
                        </span>
                        <div class="text-xs text-gray-500 mt-1">{{ $po->clientInvoice->client->name ?? '' }}</div>
                    </td>
                    <td class="px-6 py-4">
                        <div class="text-sm text-gray-900 line-clamp-1">{{ $po->item_description }}</div>
                        <div class="text-xs text-gray-500">{{ (float)$po->quantity }} {{ $po->uom }} @ ${{ number_format($po->unit_price, 2) }}</div>
                    </td>
                    <td class="px-6 py-4 whitespace-nowrap text-sm font-semibold text-gray-900">
                        RM{{ number_format($po->total_price, 2) }}
                    </td>
                    <td class="px-6 py-4 whitespace-nowrap">
                        @php
                            $statusMap = [
                                'draft' => 'bg-gray-100 text-gray-800',
                                'ordered' => 'bg-blue-100 text-blue-800',
                                'received' => 'bg-indigo-100 text-indigo-800',
                                'invoiced' => 'bg-purple-100 text-purple-800',
                                'paid' => 'bg-green-100 text-green-800',
                            ];
                        @endphp
                        <span class="px-2.5 py-0.5 rounded-full text-xs font-medium {{ $statusMap[$po->status] ?? 'bg-gray-100' }}">
                            {{ ucfirst($po->status) }}
                        </span>
                    </td>
                    <td class="px-6 py-4 whitespace-nowrap text-right text-sm font-medium">
                        <div class="flex justify-end space-x-2">
                            <a href="{{ route('purchase-orders.edit', $po) }}" class="text-blue-600 hover:text-blue-900"><i class="fas fa-edit"></i></a>
                            <form action="{{ route('purchase-orders.destroy', $po) }}" method="POST" class="inline" onsubmit="return confirm('Delete this PO?')">
                                @csrf @method('DELETE')
                                <button type="submit" class="text-red-600 hover:text-red-900"><i class="fas fa-trash"></i></button>
                            </form>
                        </div>
                    </td>
                </tr>
                @empty
                <tr>
                    <td colspan="6" class="px-6 py-10 text-center text-gray-500 italic">No purchase orders found.</td>
                </tr>
                @endforelse
            </tbody>
        </table>
    </div>

    <div class="mt-4">
        {{ $pos->links() }}
    </div>
</div>
@endsection