<?php

namespace app\services;

use app\common\library\Token;
use EasyWeChat\Factory;
use EasyWeChat\Kernel\Exceptions\InvalidConfigException;
use EasyWeChat\MiniProgram\Application;

class WorkerService extends BaseService
{
    /**
     * 绑定手机号
     * @param string $code
     * @param string $vendorToken
     */
    public function bindPhoneNumber(string $code, string $vendorToken)
    {
        $phone = $this->getPhoneNumber($code);
        $worker = $this->getWorkerService()->getByTel($phone);
        $this->tryBindPhoneNumber($worker);

        $tokenData = Token::get($vendorToken);
        if (!$tokenData) {
            $this->apiError('vendor_token 无效');
        }

        $workerVendor = $this->getWorkerVendorModel()->find($tokenData['user_id']);
        if ($workerVendor->worker_id) {
            $this->apiError('绑定失败，该微信已绑定手机号');
        }

        //绑定手机号
        $workerVendor->worker_id = $worker->id;
        $workerVendor->save();

        Token::delete($vendorToken);
        return $worker->id;
    }

    /**
     * 微信登录
     * @param string $code
     * @return array
     */
    public function login(string $code)
    {
        $app = $this->getMiniProgramApp();
        try {
            $info = $app->auth->session($code);
        } catch (InvalidConfigException $e) {
            $this->apiError('登录失败', $e);
        }

        if (isset($info['errcode']) && $info['errcode'] !== 0) {
            $this->apiError('登录失败', 0, $info);
        }

        $workerVendor = $this->getWorkerVendorService()->getVendorByOpenid($info['openid']);

        //创建
        if (empty($workerVendor)) {
            try {
                $this->getWorkerVendorService()->createWechatMpVendor($info['openid']);
            } catch (\Exception $e) {
                $this->apiError('登录失败', $e, $info);
            }

            $workerVendor = $this->getWorkerVendorService()->getVendorByOpenid($info['openid']);
        }

        return $workerVendor->toArray();
    }

    /**
     * 获取小程序 App
     * @return Application
     */
    private function getMiniProgramApp(): Application
    {
        $config = [
            'app_id' => config('mini_program.app_id'),
            'secret' => config('mini_program.secret'),
        ];
        return Factory::miniProgram($config);
    }

    /**
     * 解密微信手机号
     * @param string $code
     * @return mixed
     */
    public function getPhoneNumber(string $code)
    {
        //getPhoneNumber 方法通过魔术方法 __call 获取
        $phoneInfo = $this->getMiniProgramApp()->getPhoneNumber($code);

        if (empty($phoneInfo)) {
            $this->apiError('获取手机号失败', 0, $phoneInfo);
        }

        if ($phoneInfo['errcode'] !== 0) {
            $this->apiError('获取手机号失败', 0, $phoneInfo);
        }

        return $phoneInfo['phone_info']['phoneNumber'];
    }

    /**
     * 通过手机号查询师傅信息
     * @param string $phone
     */
    private function getByTel(string $phone)
    {
        return $this->getWorkerModel()->where('tel', $phone)->find();
    }

    /**
     * 尝试绑定手机号
     * @param $worker
     * @return true
     */
    private function tryBindPhoneNumber($worker)
    {
        if (empty($worker)) {
            $this->apiError('绑定失败，该手机号未注册');
        }

        if ($worker->status === 0) {
            $this->apiError('绑定失败，您的账号不可用');
        }

        $workerVendor = $this->getWorkerVendorService()->getByWorkerIdAndPlatform($worker->id, 'WechatMp');
        if ($workerVendor) {
            $this->apiError('绑定失败，当前手机号已被其他微信绑定');
        }

        return true;
    }
}