<?php
// +----------------------------------------------------------------------
// | SentCMS [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2013 http://www.tensent.cn All rights reserved.
// +----------------------------------------------------------------------
// | Author: molong <molong@tensent.cn> <http://www.tensent.cn>
// +----------------------------------------------------------------------
namespace app\http\middleware;

use think\facade\Session;
use think\facade\View;

/**
 * @title 后台中间件
 */
class Admin {

	protected $data    = [];
	protected $outAuth = ['admin/index/login', 'admin/index/logout', 'admin/index/verify'];

	public function handle($request, \Closure $next) {
		$user         = Session::get('user');
		$request->url = str_replace(".", "/", strtolower($request->controller())) . '/' . $request->action();
		if (!Session::has('user') && !$user['uid'] && !in_array($request->url, $this->outAuth)) {
			return redirect('admin/index/login');
		}
		$request->isAdmin = 1;
		$request->user    = $user;

		$request->pageConfig = array(
			'list_rows' => $request->param('limit', 20),
			'page'      => $request->param('page', 1),
		);

		$response = $next($request);

		if (is_array($response->getData())) {
			$this->data = array_merge($this->data, $response->getData());
		} else {
			$this->data = $response->getData();
		}

		if ($request->isAjax()) {
			if (isset($this->data['config'])) {
				unset($this->data['config']);
			}
			return json($this->data);
		} else {
			if (\is_string($this->data) && $this->data != '') {
				return $response;
			} else {
				return $response->data($this->fetch());
			}
		}
	}

	/**
	 * @title 显示类
	 */
	protected function fetch($template = '') {
		// 使用内置PHP模板引擎渲染模板输出
		$config = array(
			'tpl_replace_string' => array(
				'__static__' => '/static',
				'__img__'    => '/static/admin/images',
				'__css__'    => '/static/admin/css',
				'__js__'     => '/static/admin/js',
				'__public__' => '/static/admin',
			),
		);

		$template = (isset($this->data['template']) && $this->data['template']) ? $this->data['template'] : $template;

		View::config($config);
		View::assign('sent_version', sent_version);
		View::assign('config', (isset($this->data['config']) ? $this->data['config'] : []));
		View::assign((isset($this->data['data']) ? $this->data['data'] : []));
		return View::fetch($template);
	}
}