<?php
namespace app\api\controller;

use app\api\controller\BaseController;
use app\admin\model\AdminUser;
use app\index\model\AdminUserGroup;

use think\facade\Log;
use think\facade\Cache;
use think\Response;

class AdminController extends BaseController
{
    /**
     * 生成用户token
     *
     * @param int $userId 用户ID
     * @return string
     */
    private function generateToken($userId)
    {
        // 生成一个简单的token，包含用户ID和时间戳
        $data = [
            'user_id' => $userId,
            'timestamp' => time(),
            'random' => mt_rand(100000, 999999)
        ];
        
        // 使用base64编码，实际项目中建议使用JWT
        return base64_encode(json_encode($data));
    }

    /**
     * 用户登录接口
     *
     * @return \think\Response
     */
    public function login()
    {
        if (!$this->request->isPost()) {
            return json(['code' => 1, 'msg' => '请求方法错误']);
        }

        $data = $this->request->post();

        try {
            // 验证数据
            $validate = validate([
                'account' => 'require|email',
                'password' => 'require'
            ], [
                'account.require' => '账户不能为空',
                'account.email' => '邮箱格式不正确',
                'password.require' => '密码不能为空'
            ]);

            if (!$validate->check($data)) {
                return json(['code' => 1, 'msg' => $validate->getError()]);
            }

            // 查询用户
            $user = AdminUser::where('account', $data['account'])->find();
            if (!$user) {
                return json(['code' => 1, 'msg' => '用户不存在']);
            }

            // 验证密码
            if ($user->password !== md5($data['password'])) {
                return json(['code' => 1, 'msg' => '密码错误']);
            }

            // 生成JWT token（这里使用简单的token，实际项目中建议使用JWT）
            $token = $this->generateToken($user->id);

            // 将token存储到缓存中，设置过期时间
            Cache::set('user_token_' . $user->id, $token, 7 * 24 * 3600);

            // 记录登录日志
            Log::record('用户登录成功：' . $user->account, 'info');

            // 返回用户信息和token
            return json([
                'code' => 0,
                'msg' => '登录成功',
                'data' => [
                        'token' => $token,
                        'user_info' => [
                                'id' => $user->id,
                                'account' => $user->account,
                                'name' => $user->name,
                                'avatar' => $user->avatar ?? '/static/images/avatar.png',
                                'phone' => $user->phone ?? '',
                                'sex' => $user->sex ?? 0,
                                'qq' => $user->qq ?? '',
                                'wechat' => $user->wechat ?? '',
                                'create_time' => $user->create_time
                            ]
                    ]
            ]);

        } catch (\Exception $e) {
            Log::record('登录失败：' . $e->getMessage(), 'error');
            return json(['code' => 1, 'msg' => '登录失败：' . $e->getMessage()]);
        }
    }
}