<?php

namespace addons\StarChain\common\services;

use addons\StarChain\common\models\Category;
use addons\StarChain\common\models\MallCate;
use common\enums\StatusEnum;
use Exception;

/**
 * 分类服务
 */
class MallCateService extends BaseService
{
    protected $category_models = [];

    protected $first_category = true;

    protected $category_end = false;

    /**
     * 分类级别
     *
     * @var integer
     */
    protected $category_level = 1;

    /**
     * 获取分类ID 不存在创建
     *
     * @param array $category_1
     * @param array $category_2
     * @param array $category_3
     * @return integer
     */
    public function getCats($category_1, $category_2, $category_3)
    {
        // 使用ID
        // $category_arr = $this->explodeCategory($info['category_id']);
        // 使用名字
        $category_arr = $this->getCategoryName($category_1, $category_2, $category_3);
        // 倒转
        $category_arr = array_reverse($category_arr);

        foreach ($category_arr as $category) {
            $category_id = $this->checkCategory($category);
            // 如果返回分类ID 不继续
            if ($category_id) {
                return $category_id;
            }

            // 查询到父类 结束
            if ($this->category_end) {
                break;
            }
        }

        // 没有返回ID, 需要创建
        return $this->createCategory();
    }

    /**
     * 使用名称
     *
     * @param string $category
     * @return void
     */
    private function checkCategory($category)
    {
        // 只查询第一个分类，第一个没有则创建全部
        // if ($this->first_category) {
        $params = [
            'mall_id' => $this->mall_id,
            // 'is_delete' => 0,
            'mch_id' => 0,
            'status' => 1,
        ];
        $category_model = MallCate::find()->where($params)->andWhere(['like', 'name', $category['name']])->one();
        // 查询到并且是子分类返回
        if (!empty($category_model) && $this->first_category) {
            return $category_model->id;
        }
        $this->first_category = false;
        // }

        // 父级分类
        $pid = !empty($category_model) ? $category_model->id : 0;
        $this->setCategoryForm($category['name'], $pid);
    }

    /**
     * 创建分类并返回分类ID
     *
     * @return int
     */
    public function createCategory()
    {
        // 倒序, 从子分类开始加
        $models = array_reverse($this->category_models);

        $pid = 0;
        foreach ($models as $model) {
            if (!$model->parent_id) {
                $model->parent_id = $pid;
                //查找上级数据
                $goods_cate = MallCate::find()->where(['mall_id' => $this->mall_id, 'parent_id' => $pid])->andWhere(['<>', 'status', StatusEnum::DELETE])->asArray()->one();
                if (!empty($goods_cate)) $model->level = $goods_cate['level'] + 1;
            } else {
                $model->level = 1;
            }
            // 保存
            $model->save();
            $pid = $model->id;
        }

        return $pid;
    }

    /**
     * 创建分类model
     *
     * @param string $title
     * @return void
     */
    private function setCategoryForm($title, $pid)
    {
        if ($pid) {
            $level = $this->category_level - 1;
            $this->category_models[$level]->parent_id = $pid;
            $this->category_end = true;
            return;
        }

        $model = new MallCate();
        $model->mall_id = $this->mall_id;
        $model->mch_id = 0;
        // $model->store_id = 0;
        $model->name = $title;
        $model->sort = 100;
        $model->pic = '';
        $model->big_pic = '';
        $model->advert_pic = '';
        $model->advert_url = '';
        $model->status = 1;
        $model->is_show = 1;
        $model->advert_open_type = '';
        $model->advert_params = '';
        $model->parent_id = $pid;
        $model->level = 0;

        $this->category_models[$this->category_level] = $model;
        $this->category_level++;
    }

    /**
     * 获取分类
     *
     * @param string $str
     * @return array
     */
    private function getCategoryName($category_1, $category_2, $category_3)
    {
        !empty($category_1) && $category_arr[] = ['name' => Category::getCategoryName($category_1)];
        !empty($category_2) && $category_arr[] = ['name' => Category::getCategoryName($category_2)];
        !empty($category_3) && $category_arr[] = ['name' => Category::getCategoryName($category_3)];

        if (empty($category_arr)) {
            throw new Exception('供应链返回分类为空');
        }
        return $category_arr;
    }
}