<?php
declare (strict_types = 1);

namespace app\api\controller;

/**
 * 用户控制器示例
 */
class User extends BaseController
{
    /**
     * 用户登录
     * @return \think\response\Json
     */
    public function login()
    {
        $data = $this->request->post();

        // 验证数据
        $this->validate($data, [
            'username' => 'require',
            'password' => 'require',
        ], [
            'username.require' => '用户名不能为空',
            'password.require' => '密码不能为空',
        ]);

        // TODO: 实际的登录逻辑
        return $this->success([
            'token' => 'example_token_' . md5($data['username']),
            'username' => $data['username'],
        ], '登录成功');
    }

    /**
     * 获取用户信息
     * @return \think\response\Json
     */
    public function info()
    {
        // TODO: 从 token 或 session 中获取用户信息
        $userInfo = [
            'id' => 1,
            'username' => 'demo_user',
            'nickname' => '演示用户',
            'avatar' => '',
            'email' => 'demo@example.com',
            'created_at' => date('Y-m-d H:i:s'),
        ];

        return $this->success($userInfo);
    }

    /**
     * 用户注册
     * @return \think\response\Json
     */
    public function register()
    {
        $data = $this->request->post();

        // 验证数据
        $this->validate($data, [
            'username' => 'require|length:3,20',
            'password' => 'require|length:6,20',
            'email' => 'require|email',
        ], [
            'username.require' => '用户名不能为空',
            'username.length' => '用户名长度3-20位',
            'password.require' => '密码不能为空',
            'password.length' => '密码长度6-20位',
            'email.require' => '邮箱不能为空',
            'email.email' => '邮箱格式不正确',
        ]);

        // TODO: 实际的注册逻辑
        return $this->success([
            'user_id' => rand(1000, 9999),
        ], '注册成功');
    }
}