<?php


namespace app\admin\controller;


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

class ProductCategory extends BaseController
{

    private $categoryModel;

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

    /**
     * @param Request $request
     * @return \think\response\View
     * @throws \think\db\exception\DbException
     */
    public function index(Request $request) {
        $all_category = $this->categoryModel->findAll();
        View::assign([
            'tree' => recursion($all_category,0),
        ]);
        return view();
    }

    /**
     * @param Request $request
     * @return \think\response\Json|\think\response\View
     */
    public function add(Request $request) {
        if($request->isAjax()) {
            $params = $request->param();

            $isExist = $this->categoryModel->doesItExist($params['name']);
            if ($isExist)
                return $this->fail(lang("Fail to add. Data duplication"));
            if($params['pid'] > 0) {
                $parent = $this->categoryModel->findById($params['pid']);
                if(!$parent)
                    return $this->fail(lang("The parent template does not exist"));
            }
            $category = $this->categoryModel->save($params);
            return $this->ok($category);
        }

        $all_category = $this->categoryModel->findAll();
        View::assign('all_category', recursion($all_category,0));
        return view();
    }

    /**
     * @param Request $request
     * @return \think\response\Json|\think\response\View
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function edit(Request $request) {
        $params = $request->param();
        if(!isset($params['id']))
            return $this->fail(lang('ID not exist'));
        $category = $this->categoryModel->findById($params['id']);
        if(!$category)
            return $this->fail(lang('"The customer doesn t exist"'));
        if ($request->isAjax()) {
            if($params['pid'] > 0) {
                $parent = $this->categoryModel->findById($params['pid']);
                if(!$parent)
                    return $this->fail(lang("The parent template does not exist"));
            }
            $this->categoryModel->where('id',$params['id'])->update($params);
            return $this->ok(true);
        }

        $all_category = $this->categoryModel->findAll();
        View::assign([
            'category' => $category,
            'all_category' => recursion($all_category, 0),
            'update_time' => time()
        ]);
        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"));
        $this->categoryModel->deleteByIds(explode(',',$params['ids']));
        return $this->ok();
    }


}