@extends('layouts.app')

@section('title', isset($item) ? __('inventory.edit_item') : __('inventory.add_item'))

@section('content')
<div class="p-6">
    <div class="flex items-center justify-between mb-6">
        <div class="flex items-center gap-3">
            <a href="{{ route('inventory.items') }}" class="p-2 text-gray-500 hover:text-gray-900 hover:bg-gray-100 rounded-lg transition-colors">
                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 19l-7-7m0 0l7-7m-7 7h18"/></svg>
            </a>
            <h1 class="text-2xl font-bold text-gray-800">
                {{ isset($item) ? __('inventory.edit_item') : __('inventory.add_item') }}
            </h1>
        </div>
    </div>

    <form action="{{ isset($item) ? route('inventory.update', $item) : route('inventory.store') }}" 
          method="POST" 
          class="bg-white rounded-lg shadow p-6 space-y-6">
        
        @csrf
        @if(isset($item))
            @method('PUT')
        @endif

        <!-- نام و کد -->
        <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
            <div>
                <label for="name" class="block text-sm font-medium text-gray-700 mb-1">
                    {{ __('inventory.name') }} *
                </label>
                <input type="text" name="name" id="name" 
                       value="{{ old('name', isset($item) ? $item->name : '') }}"
                       class="w-full rounded-md border-gray-300 shadow-sm focus:border-teal-500 focus:ring-teal-500"
                       required>
                @error('name')
                    <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                @enderror
            </div>

            <div>
                <label for="code" class="block text-sm font-medium text-gray-700 mb-1">
                    {{ __('inventory.code') }}
                </label>
                <input type="text" name="code" id="code" 
                       value="{{ old('code', isset($item) ? $item->code : '') }}"
                       class="w-full rounded-md border-gray-300 shadow-sm focus:border-teal-500 focus:ring-teal-500">
                @error('code')
                    <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                @enderror
            </div>
        </div>

        <!-- دسته‌بندی و واحد -->
        <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
            <div>
                <label for="category" class="block text-sm font-medium text-gray-700 mb-1">
                    {{ __('inventory.category') }}
                </label>
                <select name="category" id="category" 
                        class="w-full rounded-md border-gray-300 shadow-sm focus:border-teal-500 focus:ring-teal-500">
                    <option value="">{{ __('common.select') }}</option>
                    @foreach($categories as $cat)
                        <option value="{{ $cat }}" {{ old('category', isset($item) ? $item->category : '') == $cat ? 'selected' : '' }}>
                            @php
                                $ck = 'inventory.category_' . $cat;
                                $cl = __($ck);
                                if ($cl === $ck) $cl = $cat;
                            @endphp
                            {{ $cl }}
                        </option>
                    @endforeach
                </select>
                @error('category')
                    <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                @enderror
            </div>

            <div>
                <label for="unit" class="block text-sm font-medium text-gray-700 mb-1">
                    {{ __('inventory.unit') }}
                </label>
                <select name="unit" id="unit" 
                        class="w-full rounded-md border-gray-300 shadow-sm focus:border-teal-500 focus:ring-teal-500">
                    <option value="">{{ __('common.select') }}</option>
                    @foreach($units as $u)
                        <option value="{{ $u }}" {{ old('unit', isset($item) ? $item->unit : '') == $u ? 'selected' : '' }}>
                            {{ __('inventory.unit_' . $u) }}
                        </option>
                    @endforeach
                </select>
                @error('unit')
                    <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                @enderror
            </div>
        </div>

        <!-- توضیحات -->
        <div>
            <label for="description" class="block text-sm font-medium text-gray-700 mb-1">
                {{ __('common.description') }}
            </label>
            <textarea name="description" id="description" rows="3"
                      class="w-full rounded-md border-gray-300 shadow-sm focus:border-teal-500 focus:ring-teal-500">{{ old('description', isset($item) ? $item->description : '') }}</textarea>
            @error('description')
                <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
            @enderror
        </div>

        <!-- فعال -->
        <div class="flex items-center gap-2">
            <input type="checkbox" name="is_active" id="is_active" value="1"
                   {{ old('is_active', isset($item) ? $item->is_active : true) ? 'checked' : '' }}
                   class="rounded border-gray-300 text-teal-600 focus:ring-teal-500">
            <label for="is_active" class="text-sm font-medium text-gray-700">{{ __('common.active') }}</label>
        </div>

        <!-- دکمه‌ها -->
        <div class="flex items-center justify-end gap-3 pt-4 border-t">
            <a href="{{ route('inventory.items') }}" 
               class="px-4 py-2 text-gray-700 bg-gray-100 rounded-md hover:bg-gray-200 transition">
                {{ __('common.cancel') }}
            </a>
            <button type="submit" 
                    class="px-6 py-2 bg-teal-600 text-white rounded-md hover:bg-teal-700 transition">
                {{ isset($item) ? __('common.save') : __('common.create') }}
            </button>
        </div>
    </form>
</div>
@endsection