<?php

namespace App\Module\AppGame\Handler\Public;

use App\Module\AppGame\Events\LoginSuccessEvent;
use App\Module\AppGame\Handler\BaseHandler;
use App\Module\AppGame\SessionApp;
use App\Module\UrsPromotion\Services\UrsUserMappingService;
use App\Module\UrsPromotion\Logics\UrsReferralSyncLogic;
use App\Module\User\Services\UserService;
use Google\Protobuf\Internal\Message;
use Illuminate\Support\Facades\Event;
use Illuminate\Support\Facades\Log;
use ThirdParty\Urs\Services\UrsService;
use Uraus\Kku\Request\RequestPublicLogin4u;
use Uraus\Kku\Response\ResponsePublicLogin4u;
use Uraus\Kku\Response\LastLoginInfo;

/**
 * 处理URS login4u登录请求
 *
 * 使用URS的userKey进行登录，自动创建用户并同步推荐关系
 */
class Login4uHandler extends BaseHandler
{
    /**
     * 是否需要登录
     *
     * @var bool
     */
    protected bool $need_login = false;

    /**
     * 处理login4u登录请求
     *
     * @param RequestPublicLogin4u $data 登录请求数据
     * @return ResponsePublicLogin4u 登录响应
     */
    public function handle(Message $data): Message
    {
        $keylogin = '';
        try {
            Log::info('Login4u登录请求开始处理');

            // 1. 验证登录密钥
            $keylogin = $data->getKeylogin();
            Log::info('获取登录密钥', [
                'keylogin_length' => strlen($keylogin),
                'keylogin_empty' => empty($keylogin)
            ]);

            if (empty($keylogin)) {
                Log::error('登录密钥验证失败', ['error' => '登录密钥不能为空']);
                throw new \Exception('登录密钥不能为空');
            }

            // 2. 使用公共静态方法处理URS登录逻辑
            $loginResult = self::processUrsLoginByUserKey($keylogin);

            // 3. 创建响应对象
            $response = new ResponsePublicLogin4u();
            $response->setToken($loginResult['sessionId']);

            // 设置用户状态（默认不封禁）
            $response->setIsProhibit(false);

            // 设置最后登录信息
            $lastLoginInfo = new LastLoginInfo();
            $lastLoginInfo->setLastLoginTimes(time());
            $response->setLastLoginInfo($lastLoginInfo);


            return $response;

        } catch (\Exception $e) {
            Log::error('URS login4u登录失败', [
                'keylogin' => $keylogin ?? '',
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);

            throw new $e;
        }
        return $response;

    }

    /**
     * 通过UserKey处理URS登录的公共静态方法
     *
     * @param string $userKey 用户密钥
     * @return array 包含sessionId、farmUserId、ursUserId等信息
     * @throws \Exception
     */
    public static function processUrsLoginByUserKey(string $userKey): array
    {
        Log::info('开始处理URS UserKey登录', [
            'user_key_length' => strlen($userKey)
        ]);

        // 1. 使用URS获取用户信息
        $ursUserInfo = self::getUrsUserInfoByUserKey($userKey);
        $ursUserId = $ursUserInfo['userId'];

        // 2. 获取或创建农场用户ID
        $farmUserId = UrsUserMappingService::getFarmUserIdByUserKeyWithAutoCreate($userKey, $ursUserId);
        if (!$farmUserId) {
            throw new \Exception('获取农场用户ID失败');
        }

        // 3. 完成登录流程
        return self::completeUrsLogin($ursUserId, $farmUserId, $userKey);
    }

    /**
     * 通过手机号密码处理URS登录的公共静态方法
     *
     * @param string $mobile 手机号
     * @param string $password 密码
     * @return array 包含sessionId、farmUserId、ursUserId等信息
     * @throws \Exception
     */
    public static function processUrsLoginByMobilePassword(string $mobile, string $password): array
    {
        Log::info('开始处理URS手机号密码登录', [
            'mobile' => $mobile
        ]);

        // 1. 使用URS登录获取用户信息
        $loginResult = \ThirdParty\Urs\Services\UrsService::login($mobile, $password);
        $ursUserId = $loginResult['userId'];
        $userKey = $loginResult['userKey'];

        // 2. 获取或创建农场用户ID
        $farmUserId = UrsUserMappingService::getFarmUserIdByUserKeyWithAutoCreate($userKey, $ursUserId);
        if (!$farmUserId) {
            throw new \Exception('获取农场用户ID失败');
        }

        // 3. 完成登录流程
        return self::completeUrsLogin($ursUserId, $farmUserId, $userKey);
    }

    /**
     * 完成URS登录的公共逻辑
     *
     * @param int $ursUserId URS用户ID
     * @param int $farmUserId 农场用户ID
     * @param string $userKey 用户密钥
     * @return array 包含sessionId、farmUserId、ursUserId等信息
     * @throws \Exception
     */
    public static function completeUrsLogin(int $ursUserId, int $farmUserId, string $userKey): array
    {
        // 1. 获取农场用户信息
        $userDto = UserService::info($farmUserId);
        if (!$userDto) {
            throw new \Exception('农场用户不存在');
        }

        // 2. 同步上下级关系
        $isFirstEntry = self::syncReferralRelations($ursUserId, $farmUserId);

        // 3. 触发用户进入农场事件（在推荐关系同步完成后）
        if ($isFirstEntry) {
            self::triggerUserEnteredFarmEvent($ursUserId, $farmUserId, $userKey);
        }

        // 4. 设置用户登录状态
        $user = \App\Module\User\Models\User::find($farmUserId);
        if (!$user) {
            throw new \Exception('用户模型获取失败');
        }

        SessionApp::setLogin($user);
        $sessionId = SessionApp::getSessionId();

        // 5. 触发登录成功事件
        Event::dispatch(new LoginSuccessEvent($user, $sessionId));

        // 6. 记录登录日志
        Log::info('URS登录成功', [
            'urs_user_id' => $ursUserId,
            'farm_user_id' => $farmUserId,
            'username' => $user->username,
            'session_id' => $sessionId
        ]);

        return [
            'sessionId' => $sessionId,
            'farmUserId' => $farmUserId,
            'ursUserId' => $ursUserId,
            'user' => $user,
            'userDto' => $userDto
        ];
    }

    /**
     * 获取URS用户信息（通过UserKey）
     *
     * @param string $keylogin 登录密钥
     * @return array URS用户信息
     * @throws \Exception
     */
    public static function getUrsUserInfoByUserKey(string $keylogin): array
    {
        Log::info('开始获取URS用户信息', [
            'keylogin_length' => strlen($keylogin),
            'keylogin_prefix' => substr($keylogin, 0, 10) . '...'
        ]);

        try {
            $result = UrsService::getUserInfo($keylogin);

            Log::info('URS服务调用完成', [
                'result_keys' => array_keys($result),
                'success' => $result['success'] ?? false,
                'message' => $result['message'] ?? '',
                'has_data' => isset($result['data']),
                'data_keys' => isset($result['data']) ? array_keys($result['data']) : []
            ]);

            if (!$result['success'] || empty($result['data']['userId'])) {
                Log::error('URS用户信息获取失败详情', [
                    'result' => $result,
                    'success' => $result['success'] ?? false,
                    'has_userId' => isset($result['data']['userId']),
                    'userId_value' => $result['data']['userId'] ?? null
                ]);
                throw new \Exception('URS用户信息获取失败: ' . ($result['message'] ?? '未知错误'));
            }

            Log::info('URS用户信息获取成功', [
                'userId' => $result['data']['userId'],
                'data_keys' => array_keys($result['data'])
            ]);

            return $result['data'];

        } catch (\Exception $e) {
            Log::error('获取URS用户信息异常', [
                'keylogin_length' => strlen($keylogin),
                'error_message' => $e->getMessage(),
                'error_file' => $e->getFile(),
                'error_line' => $e->getLine(),
                'trace' => $e->getTraceAsString()
            ]);
            throw new \Exception('URS用户验证失败: ' . $e->getMessage());
        }
    }

    /**
     * 同步上下级关系到UrsPromotion模块
     *
     * @param int $ursUserId URS用户ID
     * @param int $farmUserId 农场用户ID
     * @return bool 是否为首次进入农场（新创建了推荐关系）
     */
    public static function syncReferralRelations(int $ursUserId, int $farmUserId): bool
    {
        // 使用重构后的同步逻辑类
        $syncLogic = new UrsReferralSyncLogic();
        return $syncLogic->syncReferralRelations($ursUserId, $farmUserId);
    }

    /**
     * 触发用户进入农场事件
     *
     * @param int $ursUserId URS用户ID
     * @param int $farmUserId 农场用户ID
     * @param string $userKey 用户密钥
     * @return void
     */
    public static function triggerUserEnteredFarmEvent(int $ursUserId, int $farmUserId, string $userKey): void
    {
        try {
            event(new \App\Module\UrsPromotion\Events\UrsUserEnteredFarmEvent($ursUserId, $farmUserId, $userKey, true));

            Log::info('URS用户进入农场事件已触发', [
                'urs_user_id' => $ursUserId,
                'farm_user_id' => $farmUserId,
                'user_key_length' => strlen($userKey)
            ]);
        } catch (\Exception $e) {
            // 事件触发失败不影响登录流程，只记录日志
            Log::error('URS用户进入农场事件触发异常', [
                'urs_user_id' => $ursUserId,
                'farm_user_id' => $farmUserId,
                'error' => $e->getMessage()
            ]);
        }
    }
}