@extends('layouts.app')

@section('title', 'تعديل أذن صرف الخامات')

@section('content')
<div class="min-h-screen bg-gradient-to-br from-slate-50 to-slate-100 py-8 px-4 md:px-8">
    <div class="max-w-4xl mx-auto">
        <div class="mb-8">
            <h1 class="text-3xl font-bold text-black mb-2">تعديل أذن صرف الخامات</h1>
            <p class="text-black">رقم الأذن: {{ $issue->document_number }}</p>
        </div>

        <div class="bg-white rounded-xl shadow-lg overflow-hidden border border-gray-200">
            <div class="p-8">
                <form action="{{ route('inventory.raw-materials-issues.update', $issue) }}" method="POST" class="space-y-6">
                    @csrf
                    @method('PUT')

                    <div class="grid grid-cols-1 md:grid-cols-3 gap-6">
                        <div>
                            <label for="document_number" class="block text-sm font-semibold text-black mb-2">
                                <i class="fas fa-hashtag ml-1 text-blue-600"></i>
                                رقم الأذن
                            </label>
                            <input type="text" 
                                   id="document_number" 
                                   name="document_number" 
                                   class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent"
                                   value="{{ $issue->document_number }}"
                                   disabled>
                        </div>

                        <div>
                            <label for="document_date" class="block text-sm font-semibold text-black mb-2">
                                <i class="fas fa-calendar ml-1 text-blue-600"></i>
                                التاريخ
                            </label>
                            <input type="date" 
                                   id="document_date" 
                                   name="document_date" 
                                   class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent"
                                   value="{{ $issue->document_date->format('Y-m-d') }}"
                                   required>
                            @error('document_date')
                                <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                            @enderror
                        </div>

                        <div>
                            <label for="warehouse_id" class="block text-sm font-semibold text-black mb-2">
                                <i class="fas fa-warehouse ml-1 text-blue-600"></i>
                                المخزن
                            </label>
                            <select id="warehouse_id" 
                                    name="warehouse_id" 
                                    class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent"
                                    required>
                                @foreach($warehouses as $warehouse)
                                    <option value="{{ $warehouse->id }}" {{ $warehouse->id == $issue->warehouse_id ? 'selected' : '' }}>
                                        {{ $warehouse->name }}
                                    </option>
                                @endforeach
                            </select>
                            @error('warehouse_id')
                                <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                            @enderror
                        </div>
                    </div>

                    <div>
                        <label for="production_site_id" class="block text-sm font-semibold text-black mb-2">
                            <i class="fas fa-building ml-1 text-blue-600"></i>
                            موقع الإنتاج <span class="text-black text-xs">(اختياري)</span>
                        </label>
                        <select id="production_site_id" 
                                name="production_site_id" 
                                class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent">
                            <option value="">-- اختر موقع الإنتاج --</option>
                            @foreach($productionSites as $site)
                                <option value="{{ $site->id }}" {{ $site->id == $issue->recipient_id ? 'selected' : '' }}>
                                    {{ $site->name }}
                                </option>
                            @endforeach
                        </select>
                        @error('production_site_id')
                            <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                        @enderror
                    </div>

                    <div>
                        <label for="customer_invoice_id" class="block text-sm font-semibold text-black mb-2">
                            <i class="fas fa-file-invoice ml-1 text-blue-600"></i>
                            فاتورة مبيعات العميل <span class="text-black text-xs">(اختياري)</span>
                        </label>
                        <select id="customer_invoice_id" 
                                name="customer_invoice_id" 
                                class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent">
                            <option value="">-- اختر فاتورة العميل --</option>
                            @foreach($customerInvoices as $invoice)
                                <option value="{{ $invoice->id }}" {{ $invoice->id == $issue->customer_invoice_id ? 'selected' : '' }}>
                                    {{ $invoice->invoice_number }} - {{ $invoice->customer_name }}
                                </option>
                            @endforeach
                        </select>
                        @error('customer_invoice_id')
                            <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                        @enderror
                        <p class="mt-1 text-xs text-black">الفواتير المعروضة هنا هي الفواتير التي تم إرسالها فقط</p>
                    </div>

                    <div>
                        <label for="description" class="block text-sm font-semibold text-black mb-2">
                            <i class="fas fa-file-alt ml-1 text-blue-600"></i>
                            الوصف
                        </label>
                        <textarea id="description" 
                                  name="description" 
                                  rows="3"
                                  class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent">{{ $issue->description }}</textarea>
                    </div>

                    <div>
                        <div class="flex justify-between items-center mb-4">
                            <label class="block text-sm font-semibold text-black">
                                <i class="fas fa-list ml-1 text-blue-600"></i>
                                الأصناف
                            </label>
                            <button type="button" 
                                    id="add-item-btn"
                                    class="inline-flex items-center px-4 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700 transition-colors text-sm font-medium">
                                <i class="fas fa-plus ml-1"></i>
                                إضافة صنف
                            </button>
                        </div>

                        <div class="overflow-x-auto">
                            <table class="w-full border border-gray-300 rounded-lg overflow-hidden">
                                <thead class="bg-gray-100">
                                    <tr>
                                        <th class="px-4 py-3 text-right text-sm font-semibold text-black">الصنف</th>
                                        <th class="px-4 py-3 text-right text-sm font-semibold text-black">الوحدة</th>
                                        <th class="px-4 py-3 text-right text-sm font-semibold text-black">الكمية</th>
                                        <th class="px-4 py-3 text-right text-sm font-semibold text-black">سعر الوحدة</th>
                                        <th class="px-4 py-3 text-right text-sm font-semibold text-black">الإجمالي</th>
                                        <th class="px-4 py-3 text-center text-sm font-semibold text-black">الإجراء</th>
                                    </tr>
                                </thead>
                                <tbody id="items-container" class="divide-y divide-gray-300">
                                    @foreach($issue->items as $item)
                                    <tr class="item-row">
                                        <td class="px-4 py-3">
                                            <select name="item_ids[]" class="item-select w-full px-3 py-2 border border-gray-300 rounded" required>
                                                @foreach($allItems as $i)
                                                    <option value="{{ $i->id }}" {{ $i->id == $item->item_id ? 'selected' : '' }}>{{ $i->name }}</option>
                                                @endforeach
                                            </select>
                                        </td>
                                        <td class="px-4 py-3">
                                            <select name="unit_ids[]" class="unit-select w-full px-3 py-2 border border-gray-300 rounded" required>
                                                <option value="{{ $item->unit_id }}">{{ $item->unit->name ?? '-' }}</option>
                                            </select>
                                        </td>
                                        <td class="px-4 py-3">
                                            <input type="number" 
                                                   name="quantities[]" 
                                                   step="0.01" 
                                                   class="quantity-input w-full px-3 py-2 border border-gray-300 rounded"
                                                   value="{{ $item->quantity }}"
                                                   required>
                                        </td>
                                        <td class="px-4 py-3">
                                            <input type="number" 
                                                   name="unit_costs[]" 
                                                   step="0.01" 
                                                   class="unit-cost-input w-full px-3 py-2 border border-gray-300 rounded"
                                                   value="{{ $item->unit_cost }}"
                                                   required>
                                        </td>
                                        <td class="px-4 py-3 text-right">
                                            <input type="number" 
                                                   step="0.01" 
                                                   readonly 
                                                   class="item-total w-full px-3 py-2 border border-gray-300 rounded bg-gray-100"
                                                   value="{{ $item->quantity * $item->unit_cost }}">
                                        </td>
                                        <td class="px-4 py-3 text-center">
                                            <button type="button" 
                                                    class="remove-item px-3 py-1 bg-red-100 text-red-600 rounded hover:bg-red-200">
                                                <i class="fas fa-trash"></i>
                                            </button>
                                        </td>
                                    </tr>
                                    @endforeach
                                </tbody>
                                <tfoot class="bg-gray-50">
                                    <tr>
                                        <td colspan="4" class="px-4 py-3 text-left font-semibold text-black">الإجمالي:</td>
                                        <td class="px-4 py-3 text-right font-semibold text-black" id="total-cost">{{ $issue->total_cost }}</td>
                                        <td></td>
                                    </tr>
                                </tfoot>
                            </table>
                        </div>
                    </div>

                    <div class="flex justify-between gap-4 pt-4 border-t border-gray-200">
                        <a href="{{ route('inventory.raw-materials-issues.index') }}" 
                           class="px-6 py-2 text-black bg-gray-200 rounded-lg hover:bg-gray-300 transition-colors font-medium">
                            <i class="fas fa-arrow-right ml-1"></i>
                            رجوع
                        </a>
                        <button type="submit" 
                                class="px-6 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700 transition-colors font-medium">
                            <i class="fas fa-save ml-1"></i>
                            حفظ التعديلات
                        </button>
                    </div>
                </form>
            </div>
        </div>
    </div>
</div>

<template id="item-row-template">
    <tr class="item-row">
        <td class="px-4 py-3">
            <select name="item_ids[]" class="item-select w-full px-3 py-2 border border-gray-300 rounded focus:ring-2 focus:ring-blue-500" required>
                <option value="">-- اختر الصنف --</option>
                @foreach($allItems as $item)
                    <option value="{{ $item->id }}">{{ $item->name }}</option>
                @endforeach
            </select>
        </td>
        <td class="px-4 py-3">
            <select name="unit_ids[]" class="unit-select w-full px-3 py-2 border border-gray-300 rounded focus:ring-2 focus:ring-blue-500" required>
                <option value="">-- اختر الوحدة --</option>
            </select>
        </td>
        <td class="px-4 py-3">
            <input type="number" 
                   name="quantities[]" 
                   step="0.01" 
                   class="quantity-input w-full px-3 py-2 border border-gray-300 rounded focus:ring-2 focus:ring-blue-500"
                   placeholder="0"
                   required>
        </td>
        <td class="px-4 py-3">
            <input type="number" 
                   name="unit_costs[]" 
                   step="0.01" 
                   class="unit-cost-input w-full px-3 py-2 border border-gray-300 rounded focus:ring-2 focus:ring-blue-500"
                   placeholder="0"
                   required>
        </td>
        <td class="px-4 py-3 text-right">
            <input type="number" 
                   step="0.01" 
                   readonly 
                   class="item-total w-full px-3 py-2 border border-gray-300 rounded bg-gray-100"
                   value="0">
        </td>
        <td class="px-4 py-3 text-center">
            <button type="button" 
                    class="remove-item px-3 py-1 bg-red-100 text-red-600 rounded hover:bg-red-200 transition-colors">
                <i class="fas fa-trash"></i>
            </button>
        </td>
    </tr>
</template>

@push('scripts')
<script>
    document.addEventListener('DOMContentLoaded', function() {
        if (document.querySelectorAll('.item-row').length === 0) {
            addItemRow();
        }

        document.getElementById('add-item-btn').addEventListener('click', addItemRow);

        document.addEventListener('click', function(e) {
            if (e.target.closest('.remove-item')) {
                const row = e.target.closest('.item-row');
                if (document.querySelectorAll('.item-row').length > 1) {
                    row.remove();
                    updateTotalCost();
                } else {
                    alert('يجب أن تحتوي الأذن على صنف واحد على الأقل');
                }
            }
        });

        document.addEventListener('change', function(e) {
            if (e.target.classList.contains('item-select')) {
                const row = e.target.closest('.item-row');
                const unitSelect = row.querySelector('.unit-select');
                unitSelect.innerHTML = '<option value="">-- اختر الوحدة --</option>';
                
                if (e.target.value) {
                    fetch(`{{ route("inventory.items.units.api", ":itemId") }}`.replace(':itemId', e.target.value))
                        .then(r => r.json())
                        .then(data => {
                            if (data.success && data.data) {
                                data.data.forEach(unit => {
                                    const option = document.createElement('option');
                                    option.value = unit.id;
                                    option.textContent = unit.unit_name;
                                    unitSelect.appendChild(option);
                                });
                            }
                        })
                        .catch(err => console.error('Error:', err));
                }
            }
        });

        document.addEventListener('input', function(e) {
            if (e.target.classList.contains('quantity-input') || e.target.classList.contains('unit-cost-input')) {
                const row = e.target.closest('.item-row');
                const quantity = parseFloat(row.querySelector('.quantity-input').value) || 0;
                const unitCost = parseFloat(row.querySelector('.unit-cost-input').value) || 0;
                const itemTotal = row.querySelector('.item-total');
                itemTotal.value = (quantity * unitCost).toFixed(2);
                updateTotalCost();
            }
        });

        function addItemRow() {
            const template = document.getElementById('item-row-template');
            const container = document.getElementById('items-container');
            container.appendChild(document.importNode(template.content, true));
        }

        function updateTotalCost() {
            let total = 0;
            document.querySelectorAll('.item-total').forEach(input => {
                total += parseFloat(input.value) || 0;
            });
            document.getElementById('total-cost').textContent = total.toFixed(2);
        }

        updateTotalCost();
    });
</script>
@endpush
@endsection