<?php
/**
 * Created by PhpStorm.
 * User: Bear
 * Date: 2020/6/20
 * Time: 下午1:35
 */

namespace app\source\service;


use app\common\library\Redis;
use app\main\constants\CacheConstants;
use app\main\constants\ServiceApiConstants;
use app\main\service\ApiService;
use app\main\service\BaseService;
use app\source\model\User;
use app\source\model\UserUpdate;

/**
 * 用户信息处理
 * Class UserService
 * @package app\source\service
 */
class UserService extends BaseService
{
    /**
     * @var UserService
     */
    protected static $self = NULL;

    /**
     * @var User
     */
    public $user;

    /**
     * @return $this|UserService
     */
    public static function instance()
    {
        if (self::$self == NULL) {
            self::$self = new self();
            self::$self->user = new User();
        }

        return self::$self;
    }

    /**
     * 获取用户信息
     * @param int $user_id
     * @return User
     */
    public function getUserInfo(int $user_id)
    {
        if (!$this->user->id || ($this->user->id != $user_id)) {
            $data = ApiService::instance()->getDataFromApi(ServiceApiConstants::USER_FIND_BY_UID, [$this->user->pk => $user_id])->data;
            $this->user->bind($data);
        }

        return $this->user;
    }

    /**
     * 获取用户
     * @param $channel_id
     * @param $openid
     * @return User
     */
    public function getUserInfoByChannelOpenid($channel_id, $openid)
    {
        if (!$this->user->id || ($this->user->openid != $openid || $this->user->channel_id != $channel_id)) {
            $data = ApiService::instance()->getDataFromApi(ServiceApiConstants::USER_FIND_BY_OPENID, ['openid' => $openid, 'channel_id' => $channel_id])->data;
            $this->user->bind($data);
        }

        return $this->user;
    }

    /**
     * 更新用户
     * @param $userUpdate UserUpdate
     * @return User
     */
    public function updateUser(UserUpdate $userUpdate)
    {
        $data = ApiService::instance()->getDataFromApi(ServiceApiConstants::USER_UPDATE, $userUpdate->toArray())->data;
        $cache = CacheConstants::getUserCacheKey($userUpdate->id);
        Redis::instance()->del($cache);
        return $this->user->bind($data);
    }

    /**
     * 创建用户
     * @param $channel_id
     * @param $openid
     * @return User
     */
    public function createUser($channel_id, $openid)
    {
        $data = ApiService::instance()->getDataFromApi(ServiceApiConstants::USER_ADD, ['openid' => $openid, 'channel_id' => $channel_id])->data;
        return $this->user->bind($data);
    }
}