<?php
declare (strict_types = 1);

namespace app;

use Exception;
use think\App;
use think\exception\HttpResponseException;
use think\exception\ValidateException;
use think\facade\View;
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;

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

    /**
     * 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;
        $this->view     = $this->app->view;

        // 控制器初始化
        $this->initialize();
    }

    // 初始化
    protected function initialize()
    {
        if($this->request->isAjax() && $this->request->action() != 'login'){
            $lastAction = session('last_action');
            if (session('login_time') === null || time() - $lastAction > 600) {
                session('login_time', null);
                $this->json_data['code'] = '-1';
                $this->json_data['msg'] = '登录超时';
                throw new HttpResponseException(json($this->json_data));
            }else if($this->request->action() != 'process'){
                session('last_action', time());
            }
        }

        $this->layui_data = [
            'code' => 0,
            'msg' => '请求成功',
            'count' => 0,
            'data' => [],
        ];
        $this->json_data = ['code' => 1, 'msg' => '操作成功'];
    }

    /**
     * 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);
    }

    /**
     * 加载模板输出
     * @access protected
     * @param string $template 模板文件名
     * @param array $vars 模板输出变量
     * @return string
     * @throws Exception
     */
    protected function fetch($template = '', $vars = [])
    {
        return $this->view->fetch($template, $vars);
    }

    /**
     * 渲染内容输出
     * @access protected
     * @param string $content 模板内容
     * @param array $vars 模板输出变量
     * @return mixed
     */
    protected function display($content = '', $vars = [])
    {
        return $this->view->display($content, $vars);
    }

    /**
     * 模板变量赋值
     * @access protected
     * @param mixed $name 要显示的模板变量
     * @param mixed $value 变量的值
     * @return $this
     */
    protected function assign($name, $value = '')
    {
        $this->view->assign($name, $value);

        return $this;
    }

    /**
     * 初始化模板引擎
     * @access protected
     * @param array|string $engine 引擎参数
     * @return $this
     */
    protected function engine($engine)
    {
        $this->view->engine($engine);

        return $this;
    }

}