<?php


namespace app\admin\controller;

use app\BaseController;
use app\common\model\ProductCategoryModel;
use app\common\model\ProductModel;
use think\App;
use think\facade\View;
use think\Request;

class Product extends BaseController
{

    private $productModel;
    private $categoryModel;

    public function __construct(App $app)
    {
        parent::__construct($app);
        $this->productModel = new ProductModel();
        $this->categoryModel = new ProductCategoryModel();
    }

    /**
     * @param Request $request
     * @return \think\response\View
     * @throws \think\db\exception\DbException
     */
    public function index(Request $request) {
        $params = $request->param();
        $format_params = [
            'bar_code' => format_string($params['bar_code'] ?? null),
            'category_id' => format_string($params['category_id'] ?? null) != null ? (int)$params['category_id']: null,
            'is_serve' => format_string($params['is_serve'] ?? null) != null ? (int)$params['is_serve']: null,
        ];
        View::assign([
            'list' => $this->productModel->findByPaginate($format_params),
            'params' => $format_params,
            'all_category' => recursion($this->categoryModel->findAll(),0),
        ]);
        return view();
    }

    public function add(Request $request) {
        $params = $request->param();
        if($request->isAjax()) {
            $isExist = $this->productModel->doesItExist($params['bar_code']);
            if ($isExist)
                return $this->fail('Fail to add. Data duplication');
            $category = $this->categoryModel->findById($params['category_id']);
            if(!$category)
                return $this->fail(lang('Category does not exist'));
            $res = $this->productModel->save([
                'bar_code'  =>  $params['bar_code'],
                'name'      =>  $params['name'] ?? null,
                'image'     =>  $params['image'] ?? null,
                'category_id'   =>  $params['category_id'] ?? null,
                'category_name' =>  $category->name,
                'is_serve'      =>  $params['is_serve'],
                'purchase_price'=>  $params['purchase_price'],
                'selling_price' =>  $params['selling_price']
            ]);
            return $this->ok($res);
        }
        View::assign([
            'all_category' => recursion($this->categoryModel->findAll(),0),
        ]);
        return view();
    }

    public function edit(Request $request) {
        $params = $request->param();
        if(!isset($params['id']))
            return $this->fail(lang('ID not exist'));
        $product = $this->productModel->findById($params['id']);
        if($request->isAjax()) {
            $category = $this->categoryModel->findById($params['category_id']);
            if(!$category)
                return $this->fail(lang('Category does not exist'));
            $res = $this->productModel->where('id',$params['id'])->update([
                'bar_code'  =>  $params['bar_code'],
                'name'      =>  $params['name'] ?? null,
                'image'     =>  $params['image'] ?? null,
                'category_id'   =>  $params['category_id'] ?? null,
                'category_name' =>  $category->name,
                'is_serve'      =>  (int)$params['is_serve'],
                'purchase_price'=>  $params['purchase_price'],
                'selling_price' =>  $params['selling_price'],
                'update_time' => time()
            ]);
            return $this->ok($res);
        }
        View::assign([
            'product'   =>  $product,
            'all_category' => recursion($this->categoryModel->findAll(),0),
        ]);
        return view();
    }

    public function delete(Request $request) {
        $params = $request->param();
        if(!isset($params['ids']))
            return $this->fail(lang("Please select the data you want to delete"));
        $this->productModel->deleteByIds(explode(',',$params['ids']));
        return $this->ok(true);
    }

    /**
     * @return \think\response\Json
     */
     public function upload() {
         // 获取表单上传文件 例如上传了001.jpg
         $file = request()->file('file');
         // 上传到本地服务器
         $save_name = \think\facade\Filesystem::disk('public')->putFile( 'product', $file);
         return $this->ok(str_replace('\\',"/",'/storage/'.$save_name));
     }

     public function findProducts(Request $request) {
        $params = $request->param();
        if(!isset($params['text']))
            return $this->fail(lang('Data not exist'));
        $products = $this->productModel->findProducts($params['text']);
        return $this->ok($products);
     }

}