<?php
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// +----------------------------------------------------------------------
// | author: likeadminTeam
// +----------------------------------------------------------------------

namespace app\adminapi\logic;

use app\common\logic\BaseLogic;
use app\common\model\auth\Admin;
use app\adminapi\service\AdminTokenService;
use app\common\service\FileService;
use think\facade\Config;
use think\facade\Cache;
use think\facade\Log;

/**
 * 登录逻辑
 * Class LoginLogic
 * @package app\adminapi\logic
 */
class LoginLogic extends BaseLogic
{
    /**
     * @notes 管理员账号登录
     * @param $params
     * @return false|mixed
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     * @author 令狐冲
     * @date 2021/6/30 17:00
     */
    public function login($params)
    {
        $time = time();
        $admin = Admin::where('account', '=', $params['account'])->find();

        //用户表登录信息更新
        $admin->login_time = $time;
        $admin->login_ip = request()->ip();
        $admin->save();

        //设置token
        $adminInfo = AdminTokenService::setToken($admin->id, $params['terminal'], $admin->multipoint_login);
       
        //返回登录信息
        $avatar = $admin->avatar ? $admin->avatar : Config::get('project.default_image.admin_avatar');
        $avatar = FileService::getFileUrl($avatar);
        return [
            'name' => $adminInfo['name'],
            'avatar' => $avatar,
            'role_name' => $adminInfo['role_name'],
            'token' => $adminInfo['token'],
            'is_paw' => $admin->is_paw ?? 1, // 0=需要修改密码，1=正常
        ];
    }


    /**
     * @notes 企业微信授权登录
     */
    public function workWechatLogin($params)
    {
        $code = $params['code'];
        $terminal = $params['terminal'] ?? 1;

        $corpId = env('work_wechat.corp_id', '');
        $secret = env('work_wechat.secret', '');

        if (empty($corpId) || empty($secret)) {
            self::setError('企业微信未配置');
            return false;
        }

        // 获取 access_token
        $accessToken = self::getWorkWechatAccessToken($corpId, $secret);
        if (!$accessToken) {
            return false;
        }

        // 用 code 换取用户身份
        $url = "https://qyapi.weixin.qq.com/cgi-bin/auth/getuserinfo?access_token={$accessToken}&code={$code}";
        $response = self::httpGet($url);

        if (!$response || $response['errcode'] != 0) {
            $errMsg = $response['errmsg'] ?? '未知错误';
            Log::error('企业微信获取用户身份失败: ' . $errMsg);
            self::setError('企业微信授权失败: ' . $errMsg);
            return false;
        }

        $wxUserId = $response['userid'] ?? '';
        if (empty($wxUserId)) {
            self::setError('未获取到企业微信用户身份，可能是外部联系人');
            return false;
        }

        // 通过 work_wechat_userid 匹配管理员（SoftDelete trait 自动排除已删除记录）
        $admin = Admin::where('work_wechat_userid', '=', $wxUserId)->find();

        if (!$admin) {
            self::setError('该企业微信账号未绑定管理员，请联系管理员绑定（UserId: ' . $wxUserId . '）');
            return false;
        }

        if ($admin->disable === 1) {
            self::setError('账号已被禁用');
            return false;
        }

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

        // 设置 token
        $adminInfo = AdminTokenService::setToken($admin->id, $terminal, $admin->multipoint_login);

        $avatar = $admin->avatar ?: Config::get('project.default_image.admin_avatar');
        $avatar = FileService::getFileUrl($avatar);

        return [
            'name'      => $adminInfo['name'],
            'avatar'    => $avatar,
            'role_name' => $adminInfo['role_name'],
            'token'     => $adminInfo['token'],
            'is_paw'    => $admin->is_paw ?? 1, // 0=需要修改密码，1=正常
        ];
    }

    /**
     * @notes 获取企业微信 access_token（带缓存），供外部（如绑定流程）调用
     */
    public static function getWorkWechatAccessTokenStatic(string $corpId, string $secret)
    {
        return self::getWorkWechatAccessToken($corpId, $secret);
    }

    /**
     * @notes 获取企业微信 access_token（带缓存）
     */
    private static function getWorkWechatAccessToken(string $corpId, string $secret)
    {
        $cacheKey = 'work_wechat_access_token_' . md5($corpId . $secret);
        $cached = Cache::get($cacheKey);
        if ($cached) {
            return $cached;
        }

        $url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid={$corpId}&corpsecret={$secret}";
        $response = self::httpGet($url);

        if (!$response || $response['errcode'] != 0) {
            $errMsg = $response['errmsg'] ?? '未知错误';
            Log::error('获取企业微信access_token失败: ' . $errMsg);
            self::setError('获取企业微信凭证失败: ' . $errMsg);
            return false;
        }

        $accessToken = $response['access_token'];
        Cache::set($cacheKey, $accessToken, $response['expires_in'] - 200);

        return $accessToken;
    }

    /**
     * @notes HTTP GET 请求
     */
    private static function httpGet(string $url)
    {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        curl_setopt($ch, CURLOPT_TIMEOUT, 10);
        $result = curl_exec($ch);
        curl_close($ch);

        if ($result === false) {
            return null;
        }

        return json_decode($result, true);
    }

    /**
     * @notes 退出登录
     * @param $adminInfo
     * @return bool
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     * @author 令狐冲
     * @date 2021/7/5 14:34
     */
    public function logout($adminInfo)
    {
        //token不存在，不注销
        if (!isset($adminInfo['token'])) {
            return false;
        }
        //设置token过期
        return AdminTokenService::expireToken($adminInfo['token']);
    }

    /**
     * @notes 首次登录修改密码
     * @param string $token
     * @param string $password
     * @return bool
     */
    public function changeFirstPassword($token, $password)
    {
        try {
            // 通过 token 获取管理员信息
            $adminSession = \app\common\model\auth\AdminSession::where('token', '=', $token)
                ->where('expire_time', '>', time())
                ->find();
            
            if (!$adminSession) {
                self::setError('登录已过期，请重新登录');
                return false;
            }
            
            $admin = Admin::find($adminSession->admin_id);
            if (!$admin) {
                self::setError('管理员不存在');
                return false;
            }
            
            // 使用系统的密码加密方式
            $passwordSalt = Config::get('project.unique_identification');
            $encryptedPassword = create_password($password, $passwordSalt);
            
            // 更新密码和 is_paw 标记
            $admin->password = $encryptedPassword;
            $admin->is_paw = 1;
            $admin->save();
            
            // 使当前 token 过期，要求重新登录
            AdminTokenService::expireToken($token);
            
            return true;
        } catch (\Exception $e) {
            self::setError($e->getMessage());
            return false;
        }
    }
}