<?php

namespace App\Admin\Controllers;

use App\Http\Controllers\Controller;
use App\Jobs\SyncOneProductToES;
use App\Models\Product;
use Encore\Admin\Controllers\HasResourceActions;
use Encore\Admin\Layout\Content;
use App\Models\Category;
use Encore\Admin\Grid;
use Encore\Admin\Form;
use App\Services\CategoryService;
use App\Models\ProductCategory;

abstract class CommonProductsController extends Controller {
	use HasResourceActions;

	// 定义一个抽象方法，返回当前管理的商品类型
	abstract public function getProductType();
	public function __construct(CategoryService $categoryService) {
		$this->categoryService = $categoryService;
	}
	public function index(Content $content) {
		return $content->header ( Product::$typeMap [$this->getProductType ()] . '列表' )->body ( $this->grid () );
	}
	public function edit($id, Content $content) {
		return $content->header ( '编辑' . Product::$typeMap [$this->getProductType ()] )->body ( $this->form ()->edit ( $id ) );
	}
	public function create(Content $content) {
		return $content->header ( '创建' . Product::$typeMap [$this->getProductType ()] )->body ( $this->form () );
	}
	protected function grid() {
		$grid = new Grid ( new Product () );

		// 筛选出当前类型的商品，默认 ID 倒序排序
		$grid->model ()->where ( 'type', $this->getProductType () )->orderBy ( 'id', 'desc' );
		// 调用自定义方法
		$this->customGrid ( $grid );

		$grid->actions ( function ($actions) {
			$actions->disableView ();
		} );
		$grid->tools ( function ($tools) {
			$tools->batch ( function ($batch) {
				$batch->disableDelete ();
			} );
		} );

		return $grid;
	}

	// 定义一个抽象方法，各个类型的控制器将实现本方法来定义列表应该展示哪些字段
	abstract protected function customGrid(Grid $grid);
	protected function form() {
		$form = new Form ( new Product () );
		// 在表单页面中添加一个名为 type 的隐藏字段，值为当前商品类型
		$form->hidden ( 'type' )->value ( $this->getProductType () );
		$form->text ( 'title', '商品名称' )->rules ( 'required' );
		// 放在商品名称后面
		$form->text ( 'long_title', '商品长标题' )->rules ( 'required' );

		$form->select ( 'category_id', '对应疾病分类' )->options ( $this->categoryService->getSelectCategory () );
		$form->image ( 'image', '封面图片' )->rules ( 'required|image' );
		$form->multipleImage('image_list','商品图片详情')->removable()->sortable();
		$form->UEditor ( 'description', '网页商品详情' );
		$form->radio ( 'on_sale', '上架' )->options ( [ 
				'1' => '是',
				'0' => '否'
		] )->default ( '0' );
		$form->number ( 'stock', '库存' );
		// 调用自定义方法
		$this->customForm ( $form );
		$form->hasMany ( 'skus', '商品 SKU', function (Form\NestedForm $form) {
			$form->text ( 'title', 'SKU 名称' )->rules ( 'required' );
			$form->text ( 'description', 'SKU 描述' )->rules ( 'required' );
			$form->text ( 'price', '单价' )->rules ( 'required|numeric|min:0.01' );
			$form->text ( 'stock', '剩余库存' )->rules ( 'required|integer|min:0' );
		} );
		// 放在 SKU 下面
		$form->hasMany ( 'properties', '商品属性', function (Form\NestedForm $form) {
			$form->text ( 'name', '属性名' )->rules ( 'required' );
			$form->text ( 'value', '属性值' )->rules ( 'required' );
		} );
		$form->saving ( function (Form $form) {
			$form->model ()->price = collect ( $form->input ( 'skus' ) )->where ( Form::REMOVE_FLAG_NAME, 0 )->min ( 'price' ) ?: 0;
		} );
		$form->saved ( function (Form $form) {
			$product = $form->model ();
			$this->dispatch ( new SyncOneProductToES ( $product ) );
		} );

		return $form;
	}

	// 定义一个抽象方法，各个类型的控制器将实现本方法来定义表单应该有哪些额外的字段
	abstract protected function customForm(Form $form);
}