<?php
declare (strict_types=1);
namespace ln\basic;

use think\facade\App;
use think\exception\HttpResponseException;
use think\exception\ValidateException;
use think\facade\View;
use think\facade\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 = [];

    /**
     * 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->request = 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($validate, '.')) {
                // 支持场景
                list($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);
    }

    /**
     * 模板赋值
     * @param mixed ...$vars
     */
    protected function assign(...$vars)
    {
        View::assign(...$vars);
    }

    /**
     * 解析和获取模板内容
     * @param string $template
     * @return string
     * @throws \Exception
     */
    protected function fetch(string $template = '')
    {
        return View::fetch($template);
    }

    /**
     * 重定向
     * @param mixed ...$args
     */
    protected function redirect(...$args){
        throw new HttpResponseException(redirect(...$args));
    }

    /**
     * 获取分页参数
     * @return array
     */
    protected function getPage()
    {
        $data = $this->request->params(['page', 'limit']);
        return [$data['page'],$data['limit']];
    }
}