<?php
declare (strict_types = 1);

namespace app;

use think\App;
use think\Container;
use think\exception\HttpResponseException;
use think\exception\ValidateException;
use think\Response;
use think\Validate;

/**
 * 控制器基础类
 */
abstract class BaseController
{
    /**
     * Request实例
     * @var \think\Request
     */
    protected $request;

    /**
     * 应用实例
     * @var \think\App
     */
    protected $app;

    /**
     * 是否批量验证
     * @var bool
     */
    protected $batchValidate = false;

    /**
     * 构造方法
     * @access public
     * @param  App  $app  应用对象
     */
    public function __construct(App $app)
    {
        $this->app     = $app;
        $this->request = $this->app->request;
        // 控制器初始化
        $this->initialize();
    }

    // 初始化
    protected function initialize()
    {
        // 允许跨域
        $this->cors();
    }

    public function cors()
    {
        header("access-control-allow-headers: Accept,Authorization,Cache-Control,Content-Type,DNT,If-Modified-Since,Keep-Alive,Origin,Login-Agent,X-Mx-ReqToken,X-Requested-With");
        header("access-control-allow-methods: GET, POST, PUT, DELETE, HEAD, OPTIONS,PATCH");
        header("access-control-allow-credentials: true");
        header("access-control-allow-origin: *");
    }

    /**
     * 验证数据
     * @access protected
     * @param  array        $data     数据
     * @param  string|array $validate 验证器名或者验证规则数组
     * @param  array        $message  提示信息
     * @param  bool         $batch    是否批量验证
     * @return array|string|true
     * @throws ValidateException
     */
    protected function validate(array $data, $validate, array $message = [], bool $batch = false)
    {
        if (is_array($validate)) {
            $v = new Validate();
            $v->rule($validate);
        } else {
            if (strpos($validate, '.')) {
                // 支持场景
                [$validate, $scene] = explode('.', $validate);
            }
            $class = false !== strpos($validate, '\\') ? $validate : $this->app->parseClass('validate', $validate);
            $v     = new $class();
            if (!empty($scene)) {
                $v->scene($scene);
            }
        }

        $v->message($message);

        // 是否批量验证
        if ($batch || $this->batchValidate) {
            $v->batch(true);
        }

        return $v->failException(true)->check($data);
    }

    /**
     * 获取当前的response 输出类型
     * @access protected
     * @return string
     */
    protected function getResponseType(): string
    {
        if (!$this->app) {
            $this->app = Container::get('app');
        }

        $isAjax = $this->request->isAjax();

        return $isAjax || $this->request->isJson()
            ? 'json'
            : 'html';
    }
}