@extends('layouts.app')

@section('title', 'Add Sub-Category - Cash Book')

@section('content')
<div class="py-12">
    <div class="max-w-7xl mx-auto sm:px-6 lg:px-8">
        <div class="bg-white overflow-hidden shadow-sm sm:rounded-lg">
            <div class="p-6 bg-white border-b border-gray-200">
                <h2 class="text-2xl font-bold mb-4">Add Sub-Category</h2>
            </div>

            <div class="p-6">
                @if($errors->any())
                    <div class="bg-red-100 border border-red-400 text-red-700 px-4 py-3 rounded mb-4">
                        <ul>
                            @foreach($errors->all() as $error)
                                <li>{{ $error }}</li>
                            @endforeach
                        </ul>
                    </div>
                @endif

                <form method="POST" action="{{ route('categories.store.sub') }}">
                    @csrf

                    <!-- Business field - disabled, inherited from filter -->
                    <div class="mb-4">
                        <label for="business_id" class="block text-sm font-medium text-gray-700">Business</label>
                        <input type="text"
                               id="business_id"
                               value="{{ $business->name }}"
                               class="mt-1 block w-full border-gray-300 rounded-md shadow-sm bg-gray-100 cursor-not-allowed"
                               disabled
                               readonly>
                        <p class="text-sm text-gray-500 mt-1">Business is inherited from filter selection</p>
                        <input type="hidden" name="business_id" value="{{ $business->id }}">
                    </div>

                    <!-- Parent selection (required) -->
                    <div class="mb-4">
                        <label for="parent_id" class="block text-sm font-medium text-gray-700">Parent Category *</label>
                        <select name="parent_id" id="parent_id" class="mt-1 block w-full border-gray-300 rounded-md shadow-sm" required onchange="handleParentChange(this.value)">
                            <option value="">Select Parent Category</option>
                            @foreach($parentCategories as $parent)
                                <option value="{{ $parent->id }}" {{ old('parent_id', $parentId) == $parent->id ? 'selected' : '' }}>{{ $parent->name }}</option>
                            @endforeach
                        </select>
                        <p class="text-sm text-gray-500 mt-1">Sub-category will inherit business and type from parent</p>
                    </div>

                    <!-- Type field - disabled, inherited from parent -->
                    <div class="mb-4">
                        <label for="type" class="block text-sm font-medium text-gray-700">Type</label>
                        <select name="type" id="type" class="mt-1 block w-full border-gray-300 rounded-md shadow-sm bg-gray-100" disabled>
                            <option value="">Inherited from Parent</option>
                        </select>
                        <p class="text-sm text-gray-500 mt-1">Type is automatically inherited from parent category</p>
                    </div>

                    <!-- Other fields -->
                    <div class="mb-4">
                        <label for="name" class="block text-sm font-medium text-gray-700">Name *</label>
                        <input type="text" name="name" id="name" value="{{ old('name') }}" class="mt-1 block w-full border-gray-300 rounded-md shadow-sm" required>
                    </div>

                    <div class="mb-4">
                        <label for="description" class="block text-sm font-medium text-gray-700">Description</label>
                        <textarea name="description" id="description" rows="3" class="mt-1 block w-full border-gray-300 rounded-md shadow-sm">{{ old('description') }}</textarea>
                    </div>

                    <div class="mb-4">
                        <label for="limit" class="block text-sm font-medium text-gray-700">Limit (Optional)</label>
                        <input type="number" name="limit" id="limit" step="0.01" value="{{ old('limit') }}" placeholder="Leave empty for no limit" class="mt-1 block w-full border-gray-300 rounded-md shadow-sm">
                    </div>

                    <div class="flex items-center justify-between">
                        <a href="{{ route('categories.index') }}" class="bg-gray-500 hover:bg-gray-700 text-white font-bold py-2 px-4 rounded">Cancel</a>
                        <button type="submit" class="bg-green-500 hover:bg-green-700 text-white font-bold py-2 px-4 rounded">Create Sub-Category</button>
                    </div>
                </form>
            </div>
        </div>
    </div>
</div>

<script>
function handleParentChange(parentId) {
    const typeSelect = document.getElementById("type");
    
    if (parentId) {
        fetch(`/api/categories/${parentId}`)
            .then(response => response.json())
            .then(category => {
                // Set type to parent's type and disable
                typeSelect.innerHTML = `<option value="${category.type}">${category.type === 'debit' ? 'Debit(Payments)' : 'Credit(Receivings)'}</option>`;
                typeSelect.disabled = true;
            });
    } else {
        // Reset type field
        typeSelect.innerHTML = '<option value="">Inherited from Parent</option>';
        typeSelect.disabled = true; // Always disabled for sub-categories
    }
}
</script>
@endsection