@extends('admin.layout.master')

@section('title', isset($product) && $product->id ? __('admin.edit_product') : __('admin.add_product'))

@section('content')
    <div class="container-xxl flex-grow-1 container-p-y">
        <div class="row">
            <div class="col-md-12">
                <div class="card mb-4">
                    <div class="card-header d-flex justify-content-between align-items-center">
                        <h5 class="mb-0">{{ isset($product) && $product->id ? __('admin.edit_product') : __('admin.add_product') }}</h5>
                        <div>
                            <a href="{{ route('admin.products.index') }}" class="btn btn-secondary mb-3">
                                {{ __('admin.back_to_products') }}
                            </a>
                        </div>
                    </div>
                    <div class="card-body">
                        <form
                            action="{{ isset($product) && $product->id ? route('admin.products.update', $product->id) : route('admin.products.store') }}"
                            method="POST" enctype="multipart/form-data">
                            @csrf
                            @if (isset($product) && $product->id)
                                @method('PUT')
                            @endif
                            <div>
                                <!-- Category Selection -->
                                <div class="mb-3">
                                    <label for="category_id" class="form-label">{{ __('admin.category') }}</label>
                                    <select name="category_id" id="category_id" class="form-select">
                                        <option value="">{{ __('admin.select_category') }}</option>
                                        @foreach($categories as $category)
                                            <option value="{{ $category->id }}"
                                                {{ old('category_id', isset($product) ? $product->category_id : '') == $category->id ? 'selected' : '' }}>
                                                {{ $category->getTranslation('name', app()->getLocale()) }}
                                            </option>
                                        @endforeach
                                    </select>
                                    @error('category_id')
                                        <div class="alert alert-danger">{{ $message }}</div>
                                    @enderror
                                </div>

                                <!-- Name Inputs -->
                                <div class="mb-3">
                                    <label for="name_en" class="form-label">{{ __('admin.name_en') }}</label>
                                    <input type="text" class="form-control" id="name_en" name="name[en]"
                                        value="{{ old('name.en', isset($product) ? $product->getTranslation('name', 'en') : '') }}"
                                        placeholder="{{ __('admin.name_en') }}">
                                    @error('name.en')
                                        <div class="alert alert-danger">{{ $message }}</div>
                                    @enderror
                                </div>

                                <div class="mb-3">
                                    <label for="name_ar" class="form-label">{{ __('admin.name_ar') }}</label>
                                    <input type="text" class="form-control" id="name_ar" name="name[ar]"
                                        value="{{ old('name.ar', isset($product) ? $product->getTranslation('name', 'ar') : '') }}"
                                        placeholder="{{ __('admin.name_ar') }}">
                                    @error('name.ar')
                                        <div class="alert alert-danger">{{ $message }}</div>
                                    @enderror
                                </div>

                                <!-- Description Inputs -->
                                <div class="mb-3">
                                    <label for="description_en" class="form-label">{{ __('admin.description_en') }}</label>
                                    <textarea class="form-control" id="description_en" name="description[en]" rows="3"
                                        placeholder="{{ __('admin.description_en') }}">{{ old('description.en', isset($product) ? $product->getTranslation('description', 'en') : '') }}</textarea>
                                    @error('description.en')
                                        <div class="alert alert-danger">{{ $message }}</div>
                                    @enderror
                                </div>

                                <div class="mb-3">
                                    <label for="description_ar" class="form-label">{{ __('admin.description_ar') }}</label>
                                    <textarea class="form-control" id="description_ar" name="description[ar]" rows="3"
                                        placeholder="{{ __('admin.description_ar') }}">{{ old('description.ar', isset($product) ? $product->getTranslation('description', 'ar') : '') }}</textarea>
                                    @error('description.ar')
                                        <div class="alert alert-danger">{{ $message }}</div>
                                    @enderror
                                </div>

                                <!-- Pricing -->
                                <div class="row">
                                    <div class="col-md-4">
                                        <div class="mb-3">
                                            <label for="price_per_unit" class="form-label">{{ __('admin.price_per_unit') }}</label>
                                            <input type="number" step="0.01" class="form-control" id="price_per_unit" name="price_per_unit"
                                                value="{{ old('price_per_unit', isset($product) ? $product->price_per_unit : '') }}"
                                                placeholder="{{ __('admin.price_per_unit') }}">
                                            @error('price_per_unit')
                                                <div class="alert alert-danger">{{ $message }}</div>
                                            @enderror
                                        </div>
                                    </div>
                                    <div class="col-md-4">
                                        <div class="mb-3">
                                            <label for="price" class="form-label">{{ __('admin.price') }}</label>
                                            <input type="number" step="0.01" class="form-control" id="price" name="price"
                                                value="{{ old('price', isset($product) ? $product->price : '') }}"
                                                placeholder="{{ __('admin.price') }}" required>
                                            @error('price')
                                                <div class="alert alert-danger">{{ $message }}</div>
                                            @enderror
                                        </div>
                                    </div>
                                    <div class="col-md-4">
                                        <div class="mb-3">
                                            <label for="price_after_discount" class="form-label">{{ __('admin.price_after_discount') }}</label>
                                            <input type="number" step="0.01" class="form-control" id="price_after_discount" name="price_after_discount"
                                                value="{{ old('price_after_discount', isset($product) ? $product->price_after_discount : '') }}"
                                                placeholder="{{ __('admin.price_after_discount') }}">
                                            @error('price_after_discount')
                                                <div class="alert alert-danger">{{ $message }}</div>
                                            @enderror
                                        </div>
                                    </div>
                                </div>

                                <!-- Product Sizes Section -->
                                <div class="mb-4">
                                    <h6>{{ __('admin.product_sizes') }}</h6>
                                    <div id="sizes-container">
                                        @if(isset($product) && $product->sizes->count() > 0)
                                            @foreach($product->sizes as $index => $size)
                                                <div class="size-item border p-3 mb-3 rounded">
                                                    <div class="row">
                                                        <div class="col-md-6">
                                                            <div class="mb-3">
                                                                <label class="form-label">{{ __('admin.size_label_en') }}</label>
                                                                <input type="text" class="form-control" name="sizes[{{ $index }}][label][en]"
                                                                    value="{{ old('sizes.'.$index.'.label.en', $size->getTranslation('label', 'en')) }}"
                                                                    placeholder="{{ __('admin.size_label_en') }}">
                                                                @error('sizes.'.$index.'.label.en')
                                                                    <div class="alert alert-danger">{{ $message }}</div>
                                                                @enderror
                                                            </div>
                                                        </div>
                                                        <div class="col-md-6">
                                                            <div class="mb-3">
                                                                <label class="form-label">{{ __('admin.size_label_ar') }}</label>
                                                                <input type="text" class="form-control" name="sizes[{{ $index }}][label][ar]"
                                                                    value="{{ old('sizes.'.$index.'.label.ar', $size->getTranslation('label', 'ar')) }}"
                                                                    placeholder="{{ __('admin.size_label_ar') }}">
                                                                @error('sizes.'.$index.'.label.ar')
                                                                    <div class="alert alert-danger">{{ $message }}</div>
                                                                @enderror
                                                            </div>
                                                        </div>
                                                    </div>
                                                    <div class="row">
                                                        <div class="col-md-3">
                                                            <div class="mb-3">
                                                                <label class="form-label">{{ __('admin.size_type') }}</label>
                                                                <select name="sizes[{{ $index }}][size_type]" class="form-select size-type-select">
                                                                    <option value="meter" {{ old('sizes.'.$index.'.size_type', $size->size_type) == 'meter' ? 'selected' : '' }}>{{ __('admin.meter') }}</option>
                                                                    <option value="person" {{ old('sizes.'.$index.'.size_type', $size->size_type) == 'person' ? 'selected' : '' }}>{{ __('admin.person') }}</option>
                                                                </select>
                                                                @error('sizes.'.$index.'.size_type')
                                                                    <div class="alert alert-danger">{{ $message }}</div>
                                                                @enderror
                                                            </div>
                                                        </div>
                                                        <div class="col-md-3 meter-fields" style="{{ old('sizes.'.$index.'.size_type', $size->size_type) == 'person' ? 'display: none;' : '' }}">
                                                            <div class="mb-3">
                                                                <label class="form-label">{{ __('admin.length') }}</label>
                                                                <input type="number" step="0.01" class="form-control" name="sizes[{{ $index }}][length]"
                                                                    value="{{ old('sizes.'.$index.'.length', $size->length) }}"
                                                                    placeholder="{{ __('admin.length') }}">
                                                                @error('sizes.'.$index.'.length')
                                                                    <div class="alert alert-danger">{{ $message }}</div>
                                                                @enderror
                                                            </div>
                                                        </div>
                                                        <div class="col-md-3 meter-fields" style="{{ old('sizes.'.$index.'.size_type', $size->size_type) == 'person' ? 'display: none;' : '' }}">
                                                            <div class="mb-3">
                                                                <label class="form-label">{{ __('admin.width') }}</label>
                                                                <input type="number" step="0.01" class="form-control" name="sizes[{{ $index }}][width]"
                                                                    value="{{ old('sizes.'.$index.'.width', $size->width) }}"
                                                                    placeholder="{{ __('admin.width') }}">
                                                                @error('sizes.'.$index.'.width')
                                                                    <div class="alert alert-danger">{{ $message }}</div>
                                                                @enderror
                                                            </div>
                                                        </div>
                                                        <div class="col-md-3 person-fields" style="{{ old('sizes.'.$index.'.size_type', $size->size_type) == 'meter' ? 'display: none;' : '' }}">
                                                            <div class="mb-3">
                                                                <label class="form-label">{{ __('admin.number_of_person') }}</label>
                                                                <input type="number" class="form-control" name="sizes[{{ $index }}][number_of_person]"
                                                                    value="{{ old('sizes.'.$index.'.number_of_person', $size->number_of_person) }}"
                                                                    placeholder="{{ __('admin.number_of_person') }}">
                                                                @error('sizes.'.$index.'.number_of_person')
                                                                    <div class="alert alert-danger">{{ $message }}</div>
                                                                @enderror
                                                            </div>
                                                        </div>
                                                    </div>
                                                    <button type="button" class="btn btn-danger btn-sm remove-size">{{ __('admin.remove_size') }}</button>
                                                </div>
                                            @endforeach
                                        @else
                                            <div class="size-item border p-3 mb-3 rounded">
                                                <div class="row">
                                                    <div class="col-md-6">
                                                        <div class="mb-3">
                                                            <label class="form-label">{{ __('admin.size_label_en') }}</label>
                                                            <input type="text" class="form-control" name="sizes[0][label][en]"
                                                                value="{{ old('sizes.0.label.en') }}"
                                                                placeholder="{{ __('admin.size_label_en') }}">
                                                            @error('sizes.0.label.en')
                                                                <div class="alert alert-danger">{{ $message }}</div>
                                                            @enderror
                                                        </div>
                                                    </div>
                                                    <div class="col-md-6">
                                                        <div class="mb-3">
                                                            <label class="form-label">{{ __('admin.size_label_ar') }}</label>
                                                            <input type="text" class="form-control" name="sizes[0][label][ar]"
                                                                value="{{ old('sizes.0.label.ar') }}"
                                                                placeholder="{{ __('admin.size_label_ar') }}">
                                                            @error('sizes.0.label.ar')
                                                                <div class="alert alert-danger">{{ $message }}</div>
                                                            @enderror
                                                        </div>
                                                    </div>
                                                </div>
                                                <div class="row">
                                                    <div class="col-md-3">
                                                        <div class="mb-3">
                                                            <label class="form-label">{{ __('admin.size_type') }}</label>
                                                            <select name="sizes[0][size_type]" class="form-select size-type-select">
                                                                <option value="meter" {{ old('sizes.0.size_type', 'meter') == 'meter' ? 'selected' : '' }}>{{ __('admin.meter') }}</option>
                                                                <option value="person" {{ old('sizes.0.size_type') == 'person' ? 'selected' : '' }}>{{ __('admin.person') }}</option>
                                                            </select>
                                                            @error('sizes.0.size_type')
                                                                <div class="alert alert-danger">{{ $message }}</div>
                                                            @enderror
                                                        </div>
                                                    </div>
                                                    <div class="col-md-3 meter-fields">
                                                        <div class="mb-3">
                                                            <label class="form-label">{{ __('admin.length') }}</label>
                                                            <input type="number" step="0.01" class="form-control" name="sizes[0][length]"
                                                                value="{{ old('sizes.0.length') }}"
                                                                placeholder="{{ __('admin.length') }}">
                                                            @error('sizes.0.length')
                                                                <div class="alert alert-danger">{{ $message }}</div>
                                                            @enderror
                                                        </div>
                                                    </div>
                                                    <div class="col-md-3 meter-fields">
                                                        <div class="mb-3">
                                                            <label class="form-label">{{ __('admin.width') }}</label>
                                                            <input type="number" step="0.01" class="form-control" name="sizes[0][width]"
                                                                value="{{ old('sizes.0.width') }}"
                                                                placeholder="{{ __('admin.width') }}">
                                                            @error('sizes.0.width')
                                                                <div class="alert alert-danger">{{ $message }}</div>
                                                            @enderror
                                                        </div>
                                                    </div>
                                                    <div class="col-md-3 person-fields" style="display: none;">
                                                        <div class="mb-3">
                                                            <label class="form-label">{{ __('admin.number_of_person') }}</label>
                                                            <input type="number" class="form-control" name="sizes[0][number_of_person]"
                                                                value="{{ old('sizes.0.number_of_person') }}"
                                                                placeholder="{{ __('admin.number_of_person') }}">
                                                            @error('sizes.0.number_of_person')
                                                                <div class="alert alert-danger">{{ $message }}</div>
                                                            @enderror
                                                        </div>
                                                    </div>
                                                </div>
                                                <button type="button" class="btn btn-danger btn-sm remove-size">{{ __('admin.remove_size') }}</button>
                                            </div>
                                        @endif
                                    </div>
                                    <button type="button" class="btn btn-success btn-sm" id="add-size">{{ __('admin.add_size') }}</button>
                                </div>

                                <!-- Images Upload -->
                                <div class="mb-3">
                                    <label for="images" class="form-label">{{ __('admin.images') }}</label>
                                    <input type="file" class="form-control" id="images" name="images[]" multiple
                                        onchange="previewImages(event)">
                                    <div class="images-container mt-2" id="new-images-container" style="display: none;">
                                        <div class="row" id="newImagesPreview"></div>
                                    </div>
                                    @if (isset($product) && $product->images->count() > 0)
                                        <div class="images-container mt-2" id="existing-images-container">
                                            <div class="row">
                                                @foreach($product->images as $image)
                                                    <div class="col-md-3 mb-2">
                                                        <img src="{{ asset('storage/' . $image->image) }}"
                                                            class="img-thumbnail" style="max-width: 100%; height: auto;" />
                                                    </div>
                                                @endforeach
                                            </div>
                                        </div>
                                    @endif
                                    @error('images')
                                        <div class="alert alert-danger">{{ $message }}</div>
                                    @enderror
                                </div>

                                <div class="d-flex justify-content-end">
                                    <button class="btn btn-primary"
                                        type="submit">{{ isset($product) && $product->id ? __('admin.update') : __('admin.save') }}</button>
                                </div>
                            </div>
                        </form>
                    </div>
                </div>
            </div>
        </div>
    </div>

    @if ($errors->any())
        <script>
            $(document).ready(function() {
                @foreach ($errors->all() as $error)
                    toastr.error('{{ $error }}');
                @endforeach
                @foreach ($errors->get('sizes.*.*') as $field => $messages)
                    @foreach ($messages as $message)
                        var fieldParts = '{{ $field }}'.split('.');
                        var index = fieldParts[1];
                        var fieldName = fieldParts[2];
                        var errorContainer = document.getElementById('error-sizes-' + index + '-' + fieldName);
                        if (errorContainer) {
                            errorContainer.textContent = '{{ $message }}';
                            errorContainer.classList.remove('d-none');
                        }
                    @endforeach
                @endforeach
            });
        </script>
    @endif
@endsection

@section('scripts')
    <script>
        let sizeIndex = {{ isset($product) && $product->sizes && $product->sizes->count() > 0 ? $product->sizes->count() : 1 }};

        function previewImages(event) {
            const files = event.target.files;
            const container = document.getElementById('newImagesPreview');
            const newImagesContainer = document.getElementById('new-images-container');
            const existingContainer = document.getElementById('existing-images-container');

            container.innerHTML = '';
            newImagesContainer.style.display = 'none';

            if (files.length > 0) {
                for (let i = 0; i < files.length; i++) {
                    const reader = new FileReader();
                    reader.onload = function(e) {
                        const div = document.createElement('div');
                        div.className = 'col-md-3 mb-2';
                        div.innerHTML = `<img src="${e.target.result}" class="img-thumbnail" style="max-width: 100%; height: auto;" />`;
                        container.appendChild(div);
                    };
                    reader.readAsDataURL(files[i]);
                }
                newImagesContainer.style.display = 'block';
                if (existingContainer) {
                    existingContainer.style.display = 'none';
                }
            } else if (existingContainer) {
                existingContainer.style.display = 'block';
            }
        }

        document.getElementById('add-size').addEventListener('click', function() {
            const container = document.getElementById('sizes-container');
            const newSize = `
                <div class="size-item border p-3 mb-3 rounded">
                    <div class="row">
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label class="form-label">{{ __('admin.size_label_en') }}</label>
                                <input type="text" class="form-control" name="sizes[${sizeIndex}][label][en]"
                                    placeholder="{{ __('admin.size_label_en') }}">
                                <div class="alert alert-danger d-none" id="error-sizes-${sizeIndex}-label-en"></div>
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label class="form-label">{{ __('admin.size_label_ar') }}</label>
                                <input type="text" class="form-control" name="sizes[${sizeIndex}][label][ar]"
                                    placeholder="{{ __('admin.size_label_ar') }}">
                                <div class="alert alert-danger d-none" id="error-sizes-${sizeIndex}-label-ar"></div>
                            </div>
                        </div>
                    </div>
                    <div class="row">
                        <div class="col-md-3">
                            <div class="mb-3">
                                <label class="form-label">{{ __('admin.size_type') }}</label>
                                <select name="sizes[${sizeIndex}][size_type]" class="form-select size-type-select">
                                    <option value="meter">{{ __('admin.meter') }}</option>
                                    <option value="person">{{ __('admin.person') }}</option>
                                </select>
                                <div class="alert alert-danger d-none" id="error-sizes-${sizeIndex}-size_type"></div>
                            </div>
                        </div>
                        <div class="col-md-3 meter-fields">
                            <div class="mb-3">
                                <label class="form-label">{{ __('admin.length') }}</label>
                                <input type="number" step="0.01" class="form-control" name="sizes[${sizeIndex}][length]"
                                    placeholder="{{ __('admin.length') }}">
                                <div class="alert alert-danger d-none" id="error-sizes-${sizeIndex}-length"></div>
                            </div>
                        </div>
                        <div class="col-md-3 meter-fields">
                            <div class="mb-3">
                                <label class="form-label">{{ __('admin.width') }}</label>
                                <input type="number" step="0.01" class="form-control" name="sizes[${sizeIndex}][width]"
                                    placeholder="{{ __('admin.width') }}">
                                <div class="alert alert-danger d-none" id="error-sizes-${sizeIndex}-width"></div>
                            </div>
                        </div>
                        <div class="col-md-3 person-fields" style="display: none;">
                            <div class="mb-3">
                                <label class="form-label">{{ __('admin.number_of_person') }}</label>
                                <input type="number" class="form-control" name="sizes[${sizeIndex}][number_of_person]"
                                    placeholder="{{ __('admin.number_of_person') }}">
                                <div class="alert alert-danger d-none" id="error-sizes-${sizeIndex}-number_of_person"></div>
                            </div>
                        </div>
                    </div>
                    <button type="button" class="btn btn-danger btn-sm remove-size">{{ __('admin.remove_size') }}</button>
                </div>
            `;
            container.insertAdjacentHTML('beforeend', newSize);
            sizeIndex++;
            // Re-attach change event listeners to new select elements
            attachSizeTypeListeners();
        });

        // Function to attach change event listeners to size-type-select elements
        function attachSizeTypeListeners() {
            document.querySelectorAll('.size-type-select').forEach(select => {
                select.removeEventListener('change', handleSizeTypeChange); // Prevent duplicate listeners
                select.addEventListener('change', handleSizeTypeChange);
            });
        }

        // Handle size type change
        function handleSizeTypeChange(e) {
            const sizeItem = e.target.closest('.size-item');
            if (!sizeItem) return;
            const meterFields = sizeItem.querySelectorAll('.meter-fields');
            const personFields = sizeItem.querySelectorAll('.person-fields');

            if (e.target.value === 'meter') {
                meterFields.forEach(field => field.style.display = 'block');
                personFields.forEach(field => field.style.display = 'none');
            } else {
                meterFields.forEach(field => field.style.display = 'none');
                personFields.forEach(field => field.style.display = 'block');
            }
        }

        // Initialize listeners for existing select elements
        document.addEventListener('DOMContentLoaded', function() {
            attachSizeTypeListeners();
        });

        // Remove size
        document.addEventListener('click', function(e) {
            if (e.target.classList.contains('remove-size')) {
                const sizesContainer = document.getElementById('sizes-container');
                if (sizesContainer.children.length > 1) {
                    e.target.closest('.size-item').remove();
                } else {
                    alert('{{ __("admin.at_least_one_size_required") }}');
                }
            }
        });
    </script>
@endsection