<?php
declare (strict_types = 1);

namespace app\model;

use think\facade\Cache;
use think\facade\Session;
use think\Model;

/**
 * @mixin \think\Model
 */
class AdminUser extends Model
{

    /**
     * 管理员登陆
     * @param $data
     * @return array
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public static function login($data)
    {
        // 根据用户名查询用户信息
        $AdminUser = new AdminUser();

        $user = $AdminUser
            ->where('account_number', $data['account_number'])
            ->field('id,account_number,avatar,password,salt,status')
            ->find();

        try {
            if (!$user) throw new \Exception('管理员账号不存在');
            if ($user['status'] != 1) throw new \Exception('账号已被停用');

            // 使用相同的盐值对输入密码进行哈希验证
            $hashedPassword = $AdminUser->generateHashedPassword($data['password'], $user->salt);

            if ($user->password !== $hashedPassword) throw new \Exception('密码错误');

            # 缓存用户信息
            $login_user_data = $user->toArray();
            unset($login_user_data['password'],$login_user_data['salt'],$login_user_data['status']);
            #Session::set('login_admin_user_data',$login_user_data);
            Cache::store('redis')->set('login_admin_user_data',serialize($login_user_data),7200);

            return ['status' => 1, 'msg' => '登陆成功', 'data' => $login_user_data];
        } catch (\Exception $e) {
            return ['status' => 0, 'msg' => $e->getMessage()];
        }
    }

    public static function createAdmin($account_number = 'root', $password = 'guaguale@2023')
    {

        $AdminUser = new AdminUser();
        $query = $AdminUser->where('account_number',$account_number)->find();
        if ($query) return 0;

        $salt = generate_random_str(6);

        $AdminUser->save([
            'account_number' => $account_number,
            'password' => $AdminUser->generateHashedPassword($password,$salt),
            'salt' => $salt,
            'avatar' => rand_avatar(),
            'create_time' => date("Y-m-d H:i:s",time())
        ]);

        return $AdminUser->id;
    }

    /**
     * 生成密码
     * @param $password
     * @param $salt
     * @return string
     */
    private function generateHashedPassword($password,$salt)
    {
        return md5(md5($password) . md5($salt));
    }
}