@extends('admin.layouts.app')

@section('title', 'Inventory Management')

@section('content')
<div class="mb-6 flex justify-between items-center">
    <div>
        <h1 class="text-2xl font-bold text-gray-800">Inventory Management</h1>
        <p class="text-gray-500 text-sm mt-1">Manage hotel stock and supplies</p>
    </div>
    <div class="flex space-x-3">
        <a href="{{ route('admin.inventory.categories') }}" class="bg-gray-500 hover:bg-gray-600 text-white px-4 py-2 rounded-lg">
            <i class="fas fa-folder mr-2"></i>Categories
        </a>
        <a href="{{ route('admin.inventory.create') }}" class="bg-gold hover:bg-gold-dark text-white px-4 py-2 rounded-lg">
            <i class="fas fa-plus mr-2"></i>Add Item
        </a>
    </div>
</div>

@if($lowStockCount > 0)
<div class="bg-yellow-50 border-l-4 border-yellow-400 p-4 mb-6">
    <div class="flex items-center">
        <i class="fas fa-exclamation-triangle text-yellow-400 mr-3"></i>
        <p class="text-yellow-700">
            <strong>{{ $lowStockCount }} items</strong> are running low on stock and need attention.
        </p>
        <a href="{{ route('admin.inventory.index', ['low_stock' => 1]) }}" class="ml-auto text-yellow-700 hover:text-yellow-900 underline">
            View Low Stock Items
        </a>
    </div>
</div>
@endif

<div class="bg-white rounded-lg shadow p-6 mb-6">
    <form method="GET" class="flex flex-wrap gap-4 items-end">
        <div class="flex-1 min-w-[200px]">
            <label class="block text-sm text-gray-600 mb-1">Search</label>
            <input type="text" name="search" value="{{ request('search') }}" placeholder="Search by name or SKU..."
                   class="w-full border rounded-lg px-3 py-2 focus:outline-none focus:ring-2 focus:ring-gold">
        </div>
        <div class="w-48">
            <label class="block text-sm text-gray-600 mb-1">Category</label>
            <select name="category" class="w-full border rounded-lg px-3 py-2 focus:outline-none focus:ring-2 focus:ring-gold">
                <option value="">All Categories</option>
                @foreach($categories as $category)
                <option value="{{ $category->id }}" {{ request('category') == $category->id ? 'selected' : '' }}>
                    {{ $category->name }}
                </option>
                @endforeach
            </select>
        </div>
        <div class="flex items-center">
            <label class="flex items-center cursor-pointer">
                <input type="checkbox" name="low_stock" value="1" {{ request('low_stock') ? 'checked' : '' }} class="mr-2">
                <span class="text-sm text-gray-600">Low Stock Only</span>
            </label>
        </div>
        <button type="submit" class="bg-navy text-white px-4 py-2 rounded-lg hover:bg-navy-light">
            <i class="fas fa-filter mr-2"></i>Filter
        </button>
        <a href="{{ route('admin.inventory.index') }}" class="bg-gray-200 text-gray-700 px-4 py-2 rounded-lg hover:bg-gray-300">
            Clear
        </a>
    </form>
</div>

<div class="bg-white rounded-lg shadow overflow-hidden">
    <table class="w-full">
        <thead class="bg-gray-50">
            <tr>
                <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase">Item</th>
                <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase">SKU</th>
                <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase">Category</th>
                <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase">Stock</th>
                <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase">Min Stock</th>
                <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase">Unit Cost</th>
                <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase">Actions</th>
            </tr>
        </thead>
        <tbody class="divide-y divide-gray-200">
            @forelse($items as $item)
            <tr class="hover:bg-gray-50">
                <td class="px-6 py-4">
                    <div class="font-medium text-gray-800">{{ $item->name }}</div>
                    <div class="text-sm text-gray-500">{{ $item->unit }}</div>
                </td>
                <td class="px-6 py-4 text-sm text-gray-600">{{ $item->sku }}</td>
                <td class="px-6 py-4 text-sm text-gray-600">{{ $item->category->name ?? '-' }}</td>
                <td class="px-6 py-4">
                    @if($item->isLowStock())
                    <span class="bg-red-100 text-red-800 text-xs font-medium px-2 py-1 rounded">
                        {{ $item->current_stock }} {{ $item->unit }}
                    </span>
                    @else
                    <span class="bg-green-100 text-green-800 text-xs font-medium px-2 py-1 rounded">
                        {{ $item->current_stock }} {{ $item->unit }}
                    </span>
                    @endif
                </td>
                <td class="px-6 py-4 text-sm text-gray-600">{{ $item->minimum_stock }}</td>
                <td class="px-6 py-4 text-sm text-gray-600">₦{{ number_format($item->unit_cost, 2) }}</td>
                <td class="px-6 py-4">
                    <div class="flex space-x-2">
                        <button onclick="openAdjustmentModal({{ $item->id }}, '{{ $item->name }}', {{ $item->current_stock }})"
                                class="text-blue-600 hover:text-blue-800 text-sm" title="Adjust Stock">
                            <i class="fas fa-exchange-alt"></i>
                        </button>
                        <a href="{{ route('admin.inventory.movements', $item) }}" class="text-gray-600 hover:text-gray-800 text-sm" title="View History">
                            <i class="fas fa-history"></i>
                        </a>
                        <a href="{{ route('admin.inventory.edit', $item) }}" class="text-green-600 hover:text-green-800 text-sm" title="Edit">
                            <i class="fas fa-edit"></i>
                        </a>
                        <form action="{{ route('admin.inventory.destroy', $item) }}" method="POST" class="inline"
                              onsubmit="return confirm('Are you sure you want to delete this item?')">
                            @csrf
                            @method('DELETE')
                            <button type="submit" class="text-red-600 hover:text-red-800 text-sm" title="Delete">
                                <i class="fas fa-trash"></i>
                            </button>
                        </form>
                    </div>
                </td>
            </tr>
            @empty
            <tr>
                <td colspan="7" class="px-6 py-8 text-center text-gray-500">
                    <i class="fas fa-box-open text-4xl mb-3"></i>
                    <p>No inventory items found. <a href="{{ route('admin.inventory.create') }}" class="text-gold hover:underline">Add your first item</a></p>
                </td>
            </tr>
            @endforelse
        </tbody>
    </table>
</div>

<div class="mt-4">
    {{ $items->withQueryString()->links() }}
</div>

<div id="adjustmentModal" class="fixed inset-0 bg-black bg-opacity-50 hidden z-50 flex items-center justify-center">
    <div class="bg-white rounded-lg p-6 w-full max-w-md">
        <h3 class="text-lg font-bold mb-4">Adjust Stock</h3>
        <p class="text-sm text-gray-600 mb-4">Item: <span id="modalItemName" class="font-medium"></span> | Current: <span id="modalCurrentStock" class="font-medium"></span></p>
        <form action="" method="POST" id="adjustmentForm">
            @csrf
            <div class="mb-4">
                <label class="block text-sm font-medium text-gray-700 mb-2">Adjustment Type</label>
                <select name="type" id="adjustmentType" class="w-full border rounded-lg px-3 py-2" required>
                    <option value="in">Stock In (+)</option>
                    <option value="out">Stock Out (-)</option>
                    <option value="adjustment">Set Stock To</option>
                </select>
            </div>
            <div class="mb-4">
                <label class="block text-sm font-medium text-gray-700 mb-2">Quantity</label>
                <input type="number" name="quantity" min="1" class="w-full border rounded-lg px-3 py-2" required>
            </div>
            <div class="mb-4">
                <label class="block text-sm font-medium text-gray-700 mb-2">Notes</label>
                <textarea name="notes" rows="2" class="w-full border rounded-lg px-3 py-2" placeholder="Reason for adjustment..."></textarea>
            </div>
            <div class="flex justify-end space-x-3">
                <button type="button" onclick="closeAdjustmentModal()" class="px-4 py-2 bg-gray-200 rounded-lg hover:bg-gray-300">Cancel</button>
                <button type="submit" class="px-4 py-2 bg-gold text-white rounded-lg hover:bg-gold-dark">Save Adjustment</button>
            </div>
        </form>
    </div>
</div>

@push('scripts')
<script>
function openAdjustmentModal(itemId, itemName, currentStock) {
    document.getElementById('modalItemName').textContent = itemName;
    document.getElementById('modalCurrentStock').textContent = currentStock;
    document.getElementById('adjustmentForm').action = '/admin/inventory/' + itemId + '/adjust';
    document.getElementById('adjustmentModal').classList.remove('hidden');
}

function closeAdjustmentModal() {
    document.getElementById('adjustmentModal').classList.add('hidden');
}

document.getElementById('adjustmentModal').addEventListener('click', function(e) {
    if (e.target === this) closeAdjustmentModal();
});
</script>
@endpush
@endsection