@extends('layouts.app')

@section('title', 'Refill Requests')

@section('content')
<div class="container mx-auto px-4 py-6">
    <div class="flex justify-between items-center mb-6">
        <h1 class="text-2xl font-semibold text-gray-900">Refill Requests</h1>
        <div class="flex space-x-3">
            <div class="relative">
                <select id="status-filter" class="block appearance-none bg-white border border-gray-300 text-gray-700 py-2 px-4 pr-8 rounded leading-tight focus:outline-none focus:ring-2 focus:ring-primary-500 focus:border-primary-500">
                    <option value="all">All Statuses</option>
                    <option value="pending">Pending</option>
                    <option value="assigned">Assigned</option>
                    <option value="in_progress">In Progress</option>
                    <option value="delivered">Delivered</option>
                    <option value="cancelled">Cancelled</option>
                </select>
                <div class="pointer-events-none absolute inset-y-0 right-0 flex items-center px-2 text-gray-700">
                    <svg class="fill-current h-4 w-4" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20">
                        <path d="M9.293 12.95l.707.707L15.657 8l-1.414-1.414L10 10.828 5.757 6.586 4.343 8z"/>
                    </svg>
                </div>
            </div>
        </div>
    </div>

    <div class="bg-white shadow-md rounded-lg overflow-hidden">
        <div class="overflow-x-auto">
            <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">Request #</th>
                        <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Customer</th>
                        <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Sensor</th>
                        <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Gas Company</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-left text-xs font-medium text-gray-500 uppercase tracking-wider">Requested</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($requests as $request)
                    <tr class="hover:bg-gray-50">
                        <td class="px-6 py-4 whitespace-nowrap">
                            <div class="text-sm font-medium text-gray-900">#{{ $request->id }}</div>
                            <div class="text-xs text-gray-500">{{ $request->created_at->format('M j, Y') }}</div>
                        </td>
                        <td class="px-6 py-4 whitespace-nowrap">
                            <div class="text-sm font-medium text-gray-900">{{ $request->user->name }}</div>
                            <div class="text-xs text-gray-500">{{ $request->user->phone_number }}</div>
                        </td>
                        <td class="px-6 py-4 whitespace-nowrap">
                            <div class="text-sm text-gray-900">{{ $request->sensor->device_uuid ?? 'N/A' }}</div>
                            <div class="text-xs text-gray-500">
                                {{ $request->gas_level ?? '0' }}% full
                                <div class="w-20 bg-gray-200 rounded-full h-1.5 mt-1">
                                    <div class="bg-yellow-500 h-1.5 rounded-full" style="width: {{ $request->gas_level ?? 0 }}%"></div>
                                </div>
                            </div>
                        </td>
                        <td class="px-6 py-4 whitespace-nowrap">
                            <div class="text-sm text-gray-900">{{ $request->gasCompany->name ?? 'N/A' }}</div>
                        </td>
                        <td class="px-6 py-4 whitespace-nowrap">
                            @php
                                $statusClasses = [
                                    'pending' => 'bg-yellow-100 text-yellow-800',
                                    'processing' => 'bg-blue-100 text-blue-800',
                                    'completed' => 'bg-green-100 text-green-800',
                                    'cancelled' => 'bg-red-100 text-red-800',
                                ][$request->status] ?? 'bg-gray-100 text-gray-800';
                            @endphp
                            <span class="px-2 inline-flex text-xs leading-5 font-semibold rounded-full {{ $statusClasses }}">
                                {{ ucfirst($request->status) }}
                            </span>
                        </td>
                        <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500">
                            {{ $request->created_at->diffForHumans() }}
                        </td>
                        <td class="px-6 py-4 whitespace-nowrap text-right text-sm font-medium">
                            <a href="{{ route('refill-requests.show', $request->id) }}" class="text-primary-600 hover:text-primary-900 mr-3">View</a>
                            @if($request->status === 'pending')
                                <form action="{{ route('refill-requests.update', $request->id) }}" method="POST" class="inline" onsubmit="return confirm('Update this request status?')">
                                    @csrf
                                    @method('PATCH')
                                    <input type="hidden" name="status" value="in_progress">
                                    <button type="submit" class="text-blue-600 hover:text-blue-900 mr-2">Start Processing</button>
                                </form>
                            @elseif($request->status === 'in_progress')
                                <form action="{{ route('refill-requests.update', $request->id) }}" method="POST" class="inline" onsubmit="return confirm('Mark this request as delivered?')">
                                    @csrf
                                    @method('PATCH')
                                    <input type="hidden" name="status" value="delivered">
                                    <button type="submit" class="text-green-600 hover:text-green-900">Complete</button>
                                </form>
                            @endif
                        </td>
                    </tr>
                    @empty
                    <tr>
                        <td colspan="7" class="px-6 py-4 text-center text-sm text-gray-500">
                            No refill requests found.
                        </td>
                    </tr>
                    @endforelse
                </tbody>
            </table>
        </div>
        
        @if($requests->hasPages())
        <div class="px-6 py-4 bg-gray-50">
            {{ $requests->links() }}
        </div>
        @endif
    </div>
</div>

@push('scripts')
<script>
    document.getElementById('status-filter').addEventListener('change', function() {
        const status = this.value;
        window.location.href = '{{ route("refill-requests.index") }}?status=' + status;
    });

    // Set the selected status from URL
    const urlParams = new URLSearchParams(window.location.search);
    const status = urlParams.get('status');
    if (status) {
        document.getElementById('status-filter').value = status;
    }
</script>
@endpush
@endsection