<?php
declare (strict_types = 1);

namespace app;

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

/**
 * 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;

    /**
     * 控制器中间件
     * @var array
     */
    protected $middleware = [];

    /**
     * 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()
    {}

    /**
     * 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);
    }

    /**
    * 操作错误跳转
    * @param  mixed   $msg 提示信息
    * @param  string  $url 跳转的URL地址
    * @param  mixed   $data 返回的数据
    * @param  integer $wait 跳转等待时间
    * @param  array   $header 发送的Header信息
    * @return void
    */
    protected function error($msg = '', string $url = null, $data = '', int $wait = 3, array $header = []): Response
    {
        if (is_null($url)) {
            $url = request()->isAjax() ? '' : 'javascript:history.back(-1);';
        } elseif ($url) {
            $url = (strpos($url, '://') || 0 === strpos($url, '/')) ? $url : app('route')->buildUrl($url);
        }

        $result = [
            'code' => 0,
            'msg'  => $msg,
            'data' => $data,
            'url'  => $url,
            'wait' => $wait,
        ];

        $type = (request()->isJson() || request()->isAjax()) ? 'json' : 'html';
        if ('html' == strtolower($type)) {
            $type = 'jump';
        }

        $response = Response::create($result, $type)->header($header)->options(['jump_template' => app('config')->get('app.dispatch_error_tmpl')]);

        throw new HttpResponseException($response);
    }

    /**
     * 返回封装后的API数据到客户端
     * @param  mixed   $data 要返回的数据
     * @param  integer $code 返回的code
     * @param  mixed   $msg 提示信息
     * @param  string  $type 返回数据格式
     * @param  array   $header 发送的Header信息
     * @return Response
     */
    protected function result($data, int $code = 0, $msg = '', string $type = '', array $header = []): Response
    {
        $result = [
            'code' => $code,
            'msg'  => $msg,
            'time' => time(),
            'data' => $data,
        ];

        $type     = $type ?: 'json';
        $response = Response::create($result, $type)->header($header);

        throw new HttpResponseException($response);
    }

    /**
     * 操作成功跳转
     * @param  mixed     $msg 提示信息
     * @param  string    $url 跳转的URL地址
     * @param  mixed     $data 返回的数据
     * @param  integer   $wait 跳转等待时间
     * @param  array     $header 发送的Header信息
     * @return void
     */
    protected function success($msg = '', string $url = null, $data = '', int $wait = 3, array $header = []): Response
    {
        if (is_null($url) && isset($_SERVER["HTTP_REFERER"])) {
            $url = $_SERVER["HTTP_REFERER"];
        } elseif ($url) {
            $url = (strpos($url, '://') || 0 === strpos($url, '/')) ? $url : app('route')->buildUrl($url);
        }

        $result = [
            'code' => 1,
            'msg'  => $msg,
            'data' => $data,
            'url'  => $url,
            'wait' => $wait,
        ];

        $type = (request()->isJson() || request()->isAjax()) ? 'json' : 'html';
        // 把跳转模板的渲染下沉，这样在 response_send 行为里通过getData()获得的数据是一致性的格式
        if ('html' == strtolower($type)) {
            $type = 'jump';
        }

        $response = Response::create($result, $type)->header($header)->options(['jump_template' => app('config')->get('app.dispatch_success_tmpl')]);

        throw new HttpResponseException($response);
    }


}