<?php

declare (strict_types=1);

namespace app\api\controller;

use app\api\service\User as UserService;
use app\common\model\UserFavorite as UserFavoriteModel;
use app\common\model\Goods as GoodsModel;

/**
 * 收藏表
 * Class User
 * @package app\api
 */
class Favorites extends Controller
{
    /**
     * Notes:添加收藏
     * Author: zhangs
     * DateTime: 2021/9/25 11:00
     * @param $target_type
     * @param $target_id
     * @return mixed
     */
    public function add($target_type, int $target_id)
    {
        $userinfo = UserService::getCurrentLoginUser(true);
        $ufModel = new UserFavoriteModel;
        $one = $ufModel->getOne($userinfo->user_id, $target_type, $target_id);
        if (empty($one)) {
            $this->setInc($ufModel, $userinfo->user_id, $target_type, $target_id);
            return $this->renderSuccess([], '收藏成功');
        } else {
            $this->setDec($ufModel, $userinfo->user_id, $target_type, $target_id);
            return $this->renderSuccess([], '取消收藏成功');
        }
    }

    /**
     * Notes:取消收藏
     * Author: zhangs
     * DateTime: 2021/9/25 11:00
     * @param $target_type
     * @param $target_id
     * @return mixed
     */
    public function cancel($target_type, int $target_id)
    {
        $userinfo = UserService::getCurrentLoginUser(true);
        $ufModel = new UserFavoriteModel;
        $one = $ufModel->getOne($userinfo->user_id, $target_type, $target_id);
        if ($one) {
            $this->setDec($ufModel, $userinfo->user_id, $target_type, $target_id);
            return $this->renderSuccess([], '取消收藏成功');
        }
        return $this->renderError('取消收藏失败');
    }

    //自增
    protected function setInc($ufModel, $user_id, $target_type, $target_id)
    {
        $ufModel->addOne($user_id, $target_type, $target_id);
        switch ($target_type) {
            case 1: //商品收藏
                GoodsModel::setIncByField($target_id, 'collect_num', 1);
                break;
        }
    }

    //自减
    protected function setDec($ufModel, $user_id, $target_type, $target_id)
    {
        $ufModel->deleteOne($user_id, $target_type, $target_id);
        switch ($target_type) {
            case 1: //商品收藏
                GoodsModel::setDecByField($target_id, 'collect_num', 1);
                break;
        }
    }

    /**
     * Notes:收藏列表
     * Author: zhangs
     * DateTime: 2021/9/25 11:00
     * @param int $target_type
     * @return mixed
     */
    public function list($target_type = 1)
    {
        $ufModel = new UserFavoriteModel;
        $userinfo = UserService::getCurrentLoginUser(true);

        $listFavorite = $ufModel->getList(intval($userinfo->user_id), $target_type)->toArray();

        $ids = array_column($listFavorite['data'], 'target_id');
        if ($target_type == 1) {  //收藏的商品
            $array = (new GoodsModel)->getListByIds($ids, false);
            foreach ($listFavorite['data'] as &$row) {
                foreach ($array as $key => $arr) {
                    if ($row['target_id'] == $arr['goods_id']) {
                        $row['detail'] = $array[$key];
                    }
                }
            }
        }
        $list = $listFavorite;

        return $this->renderSuccess(compact('list'));
    }
}