<?php
// +----------------------------------------------------------------------
// | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2016~2020 https://www.crmeb.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
// +----------------------------------------------------------------------
// | Author: CRMEB Team <admin@crmeb.com>
// +----------------------------------------------------------------------

namespace app\services\system;


use app\model\system\CityArea;
use Exception;
use qiniu\basic\BaseServices;
use qiniu\services\CacheService;
use think\db\exception\DataNotFoundException;
use think\db\exception\DbException;
use think\db\exception\ModelNotFoundException;
use think\Model;
use Throwable;

/**
 * 城市数据（街道）
 * Class CityAreaServices
 * @package app\services\other
 */
class CityAreaServices extends BaseServices
{

    /**
     * 城市类型
     * @var string[]
     */
    public $type = [
        '1' => 'province',
        '2' => 'city',
        '3' => 'area',
        '4' => 'street'
    ];

    /**
     * CityAreaServices constructor.
     * @param CityArea $model
     */
    public function __construct(CityArea $model)
    {
        $this->model = $model;
    }

    /**
     * 获取某一个城市id相关上级所有ids
     * @param int $id
     * @return array|int[]
     * @throws DataNotFoundException
     * @throws DbException
     * @throws ModelNotFoundException
     */
    public function getRelationCityIds(int $id)
    {
        $cityInfo = $this->model->get($id);
        $ids = [];
        if ($cityInfo) {
            $ids = explode('/', trim($cityInfo['path'], '/'));
        }
        return array_merge([$id], $ids);
    }

    /**
     * @param int $id
     * @param int $expire
     * @return bool|mixed|null
     * @throws Throwable
     */
    public function getRelationCityIdsCache(int $id, int $expire = 1800)
    {
        return CacheService::redisHandler('apiCity')->remember('city_ids_' . $id, function () use ($id) {
            $cityInfo = $this->model->get($id);
            $ids = [];
            if ($cityInfo) {
                $ids = explode('/', trim($cityInfo['path'], '/'));
            }
            return array_merge([$id], $ids);
        }, $expire);
    }


    /**
     * 获取城市数据
     * @param int $pid
     * @param int $type 1：省市 2：省市区 0、3：省市区街道
     * @return false|mixed|string|null
     * @throws DataNotFoundException
     * @throws DbException
     * @throws ModelNotFoundException
     */
    public function getCityTreeList(int $pid = 0, int $type = 0)
    {
        $parent_name = '中国';
        if ($pid) {
            $city = $this->model->get($pid);
            $parent_name = $city ? $city['name'] : '';
        }
        $cityList = $this->getCityList(['parent_id' => $pid], 'id as value,id,name as label,parent_id as pid,level', ['children']);
        foreach ($cityList as &$item) {
            $item['parent_name'] = $parent_name;
            if (isset($item['children']) && $item['children']) {
                $item['children'] = [];
                $item['loading'] = false;
                $item['_loading'] = false;
            } else {
                unset($item['children']);
            }
        }
        if ($cityList) {
            switch ($type) {
                case 0:
                case 3:
                    break;
                case 1://控制children 前端不能请求下一级数据
                    foreach ($cityList as &$item) {
                        if ($item['level'] == 2) {
                            unset($item['children'], $item['loading'], $item['_loading']);
                        }
                    }
                    break;
                case 2:
                    foreach ($cityList as &$item) {
                        if ($item['level'] == 3) {
                            unset($item['children'], $item['loading'], $item['_loading']);
                        }
                    }
                    break;
                case 4:
                    foreach ($cityList as &$item) {
                        if ($item['level'] == 1) {
                            unset($item['children'], $item['loading'], $item['_loading']);
                        }
                    }
                    break;
            }
        }

        return $cityList;
    }


    /**
     * 搜索某个地址
     * @param array $where
     * @return array|Model|null
     * @throws DataNotFoundException
     * @throws DbException
     * @throws ModelNotFoundException
     */
    public function searchCity(array $where)
    {
        return $this->model->search($where)->order('id DESC')->find();
    }

    /**
     * 获取地址
     * @param array $where
     * @param string $field
     * @param array $with
     * @return array
     * @throws DataNotFoundException
     * @throws DbException
     * @throws ModelNotFoundException
     */
    public function getCityList(array $where, string $field = '*', array $with = [])
    {
        return $this->model->where($where)->field($field)->with($with)->order('id asc')->select()->toArray();
    }

    /**
     * 删除上级城市和当前城市id
     * @param int $cityId
     * @return bool
     * @throws Exception
     */
    public function deleteCity(int $cityId)
    {
        return $this->model->where('id', $cityId)->whereOr('parent_id', $cityId)->delete();
    }
}