<?php
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namespace app\api\logic;

use app\common\cache\WebScanLoginCache;
use app\common\logic\BaseLogic;
use app\api\service\{UserTokenService, WechatUserService};
use app\common\enum\{LoginEnum, user\UserTerminalEnum, YesNoEnum};
use app\common\service\{
    ConfigService,
    FileService,
    wechat\WeChatConfigService,
    wechat\WeChatMnpService,
    wechat\WeChatOaService,
    wechat\WeChatRequestService
};
use app\common\model\user\{User, UserAuth};
use think\facade\{Db, Config};

/**
 * 登录逻辑
 * Class LoginLogic
 * @package app\api\logic
 */
class LoginLogic extends BaseLogic
{

    /**
     * @notes 账号密码注册
     * @param array $params
     * @return bool
     * @author 段誉
     * @date 2022/9/7 15:37
     */
    public static function register(array $params)
    {
        try {
            $userSn = User::createUserSn();
            $passwordSalt = Config::get('project.unique_identification');
            $password = create_password($params['password'], $passwordSalt);
            $avatar = ConfigService::get('default_image', 'user_avatar');
            $inviteCode = User::createInviteCode();

            $inviterId = 0;
            if (!empty($params['inviter_code'])) {
                $inviter = User::where('invite_code', $params['inviter_code'])->find();
                if ($inviter) {
                    $inviterId = $inviter->id;
                }
            }

            User::create([
                'sn' => $userSn,
                'avatar' => $avatar,
                'nickname' => '用户' . $userSn,
                'account' => $params['account'],
                'password' => $password,
                'channel' => $params['channel'],
                'invite_code' => $inviteCode,
                'inviter_id' => $inviterId,
            ]);

            return true;
        } catch (\Exception $e) {
            self::setError($e->getMessage());
            return false;
        }
    }


    /**
     * @notes 账号/手机号登录，手机号验证码
     * @param $params
     * @return array|false
     * @author 段誉
     * @date 2022/9/6 19:26
     */
    public static function login($params)
    {
        try {
            // 账号/手机号 密码登录
            $where = ['account|mobile' => $params['account']];
            if ($params['scene'] == LoginEnum::MOBILE_CAPTCHA) {
                //手机验证码登录
                $where = ['mobile' => $params['account']];
            }

            // 验证码登录：只要上传表里存在该手机号记录即可视为通过
            $verifyScene = '';
            $smsMatched = false;
            if ($params['scene'] == LoginEnum::MOBILE_CAPTCHA) {
                $verifyInfo = \think\facade\Cache::get('sms_verify_info:' . $params['account']);
                if ($verifyInfo && is_array($verifyInfo)) {
                    $verifyScene = $verifyInfo['scene'] ?? 'login';
                }

                $userMobile = $params['account'];
                $record = \app\common\model\SmsLog::where(function ($query) use ($userMobile) {
                    $query->where('phone', $userMobile)
                        ->whereOr('phone', '+86' . $userMobile)
                        ->whereOr('phone', '86' . $userMobile);
                })
                    ->order('sms_time', 'desc')
                    ->findOrEmpty();
                $smsMatched = !$record->isEmpty();
                if ($smsMatched && (int)$record->status === 0) {
                    $record->status = 1;
                    $record->save();
                }
            }

            $user = User::where($where)->findOrEmpty();
            if ($user->isEmpty()) {
                // 验证码登录场景：用户不存在则自动注册，无论验证码是否匹配都允许注册
                if ($params['scene'] == LoginEnum::MOBILE_CAPTCHA) {
                    // is_bind_mobile: sms_upload匹配=1，缓存码匹配但sms_upload不匹配=0，都不匹配=0
                    $isPhoneReal = $smsMatched ? 1 : 0;
                    $userSn = User::createUserSn();
                    $avatar = ConfigService::get('default_image', 'user_avatar');
                    $inviteCode = User::createInviteCode();
                    $inviterId = 0;
                    if (!empty($params['inviter_code'])) {
                        $inviter = User::where('invite_code', $params['inviter_code'])->find();
                        if ($inviter) {
                            $inviterId = $inviter->id;
                        }
                    }
                    $user = User::create([
                        'sn' => $userSn,
                        'avatar' => $avatar,
                        'nickname' => '用户' . $userSn,
                        'account' => $params['account'],
                        'mobile' => $params['account'],
                        'channel' => $params['terminal'],
                        'invite_code' => $inviteCode,
                        'inviter_id' => $inviterId,
                        'is_bind_mobile' => $isPhoneReal,
                    ]);
                } else {
                    throw new \Exception('用户不存在');
                }
            } else {
                // 已有账号：验证码登录必须通过 sms_upload 验证
                if ($params['scene'] == LoginEnum::MOBILE_CAPTCHA && !$smsMatched) {
                    throw new \Exception('验证码错误，请使用密码登录');
                }
                if ($params['scene'] == LoginEnum::MOBILE_CAPTCHA && $smsMatched) {
                    $user->is_bind_mobile = 1;
                }
            }

            // 验证码验证成功才清除缓存
            if ($params['scene'] == LoginEnum::MOBILE_CAPTCHA && $smsMatched) {
                \think\facade\Cache::delete('sms_verify_code:' . $params['account']);
                \think\facade\Cache::delete('sms_verify_info:' . $params['account']);
            }

            //更新登录信息
            $user->login_time = time();
            $user->login_ip = request()->ip();
            $user->save();

            //设置token
            $userInfo = UserTokenService::setToken($user->id, $params['terminal']);

            //返回登录信息
            $avatar = $user->avatar ?: Config::get('project.default_image.user_avatar');
            $avatar = FileService::getFileUrl($avatar);

            return [
                'nickname' => $userInfo['nickname'],
                'sn' => $userInfo['sn'],
                'mobile' => $userInfo['mobile'],
                'avatar' => $avatar,
                'token' => $userInfo['token'],
                'is_real_phone' => $user->is_bind_mobile ?? 0,
                'verify_scene' => $verifyScene,
            ];
        } catch (\Exception $e) {
            self::setError($e->getMessage());
            return false;
        }
    }


    /**
     * @notes 退出登录
     * @param $userInfo
     * @return bool
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     * @author 段誉
     * @date 2022/9/16 17:56
     */
    public static function logout($userInfo)
    {
        //token不存在，不注销
        if (!isset($userInfo['token'])) {
            return false;
        }

        //设置token过期
        return UserTokenService::expireToken($userInfo['token']);
    }


    /**
     * @notes 获取微信请求code的链接
     * @param string $url
     * @return string
     * @author 段誉
     * @date 2022/9/20 19:47
     */
    public static function codeUrl(string $url)
    {
        return (new WeChatOaService())->getCodeUrl($url);
    }


    /**
     * @notes 公众号登录
     * @param array $params
     * @return array|false
     * @throws \GuzzleHttp\Exception\GuzzleException
     * @author 段誉
     * @date 2022/9/20 19:47
     */
    public static function oaLogin(array $params)
    {
        Db::startTrans();
        try {
            //通过code获取微信 openid
            $response = (new WeChatOaService())->getOaResByCode($params['code']);
            $userServer = new WechatUserService($response, UserTerminalEnum::WECHAT_OA);
            $userInfo = $userServer->getResopnseByUserInfo()->authUserLogin()->getUserInfo();

            // 更新登录信息
            self::updateLoginInfo($userInfo['id']);

            Db::commit();
            return $userInfo;

        } catch (\Exception $e) {
            Db::rollback();
            self::$error = $e->getMessage();
            return false;
        }
    }


    /**
     * @notes 小程序-静默登录
     * @param array $params
     * @return array|false
     * @author 段誉
     * @date 2022/9/20 19:47
     */
    public static function silentLogin(array $params)
    {
        try {
            //通过code获取微信 openid
            $response = (new WeChatMnpService())->getMnpResByCode($params['code']);
            $userServer = new WechatUserService($response, UserTerminalEnum::WECHAT_MMP);
            $userInfo = $userServer->getResopnseByUserInfo('silent')->getUserInfo();

            if (!empty($userInfo)) {
                // 更新登录信息
                self::updateLoginInfo($userInfo['id']);
            }

            return $userInfo;
        } catch (\Exception $e) {
            self::$error = $e->getMessage();
            return false;
        }
    }


    /**
     * @notes 小程序-授权登录
     * @param array $params
     * @return array|false
     * @author 段誉
     * @date 2022/9/20 19:47
     */
    public static function mnpLogin(array $params)
    {
        Db::startTrans();
        try {
            //通过code获取微信 openid
            $response = (new WeChatMnpService())->getMnpResByCode($params['code']);
            $userServer = new WechatUserService($response, UserTerminalEnum::WECHAT_MMP);
            $userInfo = $userServer->getResopnseByUserInfo()->authUserLogin()->getUserInfo();

            // 更新登录信息
            self::updateLoginInfo($userInfo['id']);

            Db::commit();
            return $userInfo;
        } catch (\Exception $e) {
            Db::rollback();
            self::$error = $e->getMessage();
            return false;
        }
    }


    /**
     * @notes 更新登录信息
     * @param $userId
     * @throws \Exception
     * @author 段誉
     * @date 2022/9/20 19:46
     */
    public static function updateLoginInfo($userId)
    {
        $user = User::findOrEmpty($userId);
        if ($user->isEmpty()) {
            throw new \Exception('用户不存在');
        }

        $time = time();
        $user->login_time = $time;
        $user->login_ip = request()->ip();
        $user->update_time = $time;
        $user->save();
    }


    /**
     * @notes 小程序端绑定微信
     * @param array $params
     * @return bool
     * @author 段誉
     * @date 2022/9/20 19:46
     */
    public static function mnpAuthLogin(array $params)
    {
        try {
            //通过code获取微信openid
            $response = (new WeChatMnpService())->getMnpResByCode($params['code']);
            $response['user_id'] = $params['user_id'];
            $response['terminal'] = UserTerminalEnum::WECHAT_MMP;

            return self::createAuth($response);

        } catch (\Exception $e) {
            self::$error = $e->getMessage();
            return false;
        }
    }


    /**
     * @notes 公众号端绑定微信
     * @param array $params
     * @return bool
     * @throws \GuzzleHttp\Exception\GuzzleException
     * @author 段誉
     * @date 2022/9/16 10:43
     */
    public static function oaAuthLogin(array $params)
    {
        try {
            //通过code获取微信openid
            $response = (new WeChatOaService())->getOaResByCode($params['code']);
            $response['user_id'] = $params['user_id'];
            $response['terminal'] = UserTerminalEnum::WECHAT_OA;

            return self::createAuth($response);

        } catch (\Exception $e) {
            self::$error = $e->getMessage();
            return false;
        }
    }


    /**
     * @notes 生成授权记录
     * @param $response
     * @return bool
     * @throws \Exception
     * @author 段誉
     * @date 2022/9/16 10:43
     */
    public static function createAuth($response)
    {
        //先检查openid是否有记录
        $isAuth = UserAuth::where('openid', '=', $response['openid'])->findOrEmpty();
        if (!$isAuth->isEmpty()) {
            throw new \Exception('该微信已被绑定');
        }

        if (isset($response['unionid']) && !empty($response['unionid'])) {
            //在用unionid找记录，防止生成两个账号，同个unionid的问题
            $userAuth = UserAuth::where(['unionid' => $response['unionid']])
                ->findOrEmpty();
            if (!$userAuth->isEmpty() && $userAuth->user_id != $response['user_id']) {
                throw new \Exception('该微信已被绑定');
            }
        }

        //如果没有授权，直接生成一条微信授权记录
        UserAuth::create([
            'user_id' => $response['user_id'],
            'openid' => $response['openid'],
            'unionid' => $response['unionid'] ?? '',
            'terminal' => $response['terminal'],
        ]);
        return true;
    }


    /**
     * @notes 获取扫码登录地址
     * @return array|false
     * @author 段誉
     * @date 2022/10/20 18:23
     */
    public static function getScanCode($redirectUri)
    {
        try {
            $config = WeChatConfigService::getOpConfig();
            $appId = $config['app_id'];
            $redirectUri = UrlEncode($redirectUri);

            // 设置有效时间标记状态, 超时扫码不可登录
            $state = MD5(time() . rand(10000, 99999));
            (new WebScanLoginCache())->setScanLoginState($state);

            // 扫码地址
            $url = WeChatRequestService::getScanCodeUrl($appId, $redirectUri, $state);
            return ['url' => $url];

        } catch (\Exception $e) {
            self::$error = $e->getMessage();
            return false;
        }
    }


    /**
     * @notes 网站扫码登录
     * @param $params
     * @return array|false
     * @author 段誉
     * @date 2022/10/21 10:28
     */
    public static function scanLogin($params)
    {
        Db::startTrans();
        try {
            // 通过code 获取 access_token,openid,unionid等信息
            $userAuth = WeChatRequestService::getUserAuthByCode($params['code']);

            if (empty($userAuth['openid']) || empty($userAuth['access_token'])) {
                throw new \Exception('获取用户授权信息失败');
            }

            // 获取微信用户信息
            $response = WeChatRequestService::getUserInfoByAuth($userAuth['access_token'], $userAuth['openid']);

            // 生成用户或更新用户信息
            $userServer = new WechatUserService($response, UserTerminalEnum::PC);
            $userInfo = $userServer->getResopnseByUserInfo()->authUserLogin()->getUserInfo();

            // 更新登录信息
            self::updateLoginInfo($userInfo['id']);

            Db::commit();
            return $userInfo;

        } catch (\Exception $e) {
            Db::rollback();
            self::$error = $e->getMessage();
            return false;
        }
    }


    /**
     * @notes 更新用户信息
     * @param $params
     * @param $userId
     * @return User
     * @author 段誉
     * @date 2023/2/22 11:19
     */
    public static function updateUser($params, $userId)
    {
        return User::where(['id' => $userId])->update([
            'nickname' => $params['nickname'],
            'avatar' => FileService::setFileUrl($params['avatar']),
            'is_new_user' => YesNoEnum::NO
        ]);
    }
}