<?php

namespace backend\controllers;

use Yii;
use common\models\Menu;
use common\helpers\ArrayHelper;
use common\models\search\MenuSearch;
use yii\web\NotFoundHttpException;

/**
 * 后台菜单控制器
 * @author libingle
 */
class MenuController extends BaseController
{
	/**
	 * ---------------------------------------
	 * 列表页
	 * ---------------------------------------
	 */
	public function actionIndex()
	{
		/* 添加当前位置到cookie供后续跳转调用*/
		$this->setForward();
		$menu = new Menu();
		$searchModel = new MenuSearch();
		$dataProvider = $searchModel->search(Yii::$app->request->queryParams);
		return $this->render('index', [
			'menu'         => $menu,
			'searchModel'  => $searchModel,
			'dataProvider' => $dataProvider,
		]);
	}

	/**
	 * ---------------------------------------
	 * 添加
	 * ---------------------------------------
	 */
	public function actionAdd()
	{
		$pid = Yii::$app->request->get('pid', 0);
		$model = $this->findModel(0);

		if (Yii::$app->request->isPost) {
			/* 表单验证 */
			$data = Yii::$app->request->post('Menu');
			$data['status'] = 1;

			if ($this->saveRow($model, $data)) {
				$this->success('操作成功', $this->getForward());
			} else {
				$this->error('操作错误');
			}
		}

		/* 设置默认值 */
		$model->loadDefaultValues();
		$model->pid = $pid;
		/* 渲染模板 */
		return $this->render('edit', [
			'model' => $model,
		]);
	}

	/**
	 * ---------------------------------------
	 * 编辑
	 * ---------------------------------------
	 */
	public function actionEdit()
	{
		$id = Yii::$app->request->get('id', 0);
		$model = $this->findModel($id);

		if (Yii::$app->request->isPost) {
			/* 表单验证 */
			$data = Yii::$app->request->post('Menu');

			if ($this->saveRow($model, $data)) {
				$this->success('操作成功', $this->getForward());
			} else {
				$this->error('操作错误');
			}
		}
		/* 渲染模板 */
		return $this->render('edit', [
			'model' => $model,
		]);
	}

	/**
	 * ---------------------------------------
	 * 删除或批量删除
	 * ---------------------------------------
	 */
	public function actionDelete()
	{
		$model = $this->findModel(0);
		if ($this->delRow($model, 'id')) {
			$this->success('删除成功', $this->getForward());
		} else {
			$this->error('删除失败！');
		}
	}

	/**
	 * Finds the Article model based on its primary key value.
	 * If the model is not found, a 404 HTTP exception will be thrown.
	 * @param integer $id
	 * @return Menu the loaded model
	 * @throws NotFoundHttpException if the model cannot be found
	 */
	protected function findModel($id)
	{
		if ($id == 0) {
			return new Menu();
		}
		if (($model = Menu::findOne($id)) !== null) {
			return $model;
		} else {
			throw new NotFoundHttpException('The requested page does not exist.');
		}
	}

	/**
	 * ---------------------------------------
	 * 菜单树
	 * ---------------------------------------
	 */
	public function actionTree()
	{
		$lists = Menu::find()->orderBy('sort asc')->where(['hide' => 0])->asArray()->all();
		$lists = ArrayHelper::list_to_tree($lists, 'id', 'pid');
		$lists = ArrayHelper::jstree($lists);
		Yii::$app->response->format='json';
		return $lists;
	}

	/**
	 * [刷新菜单]
	 * @author: libingke
	 */
	public function actionFlush()
	{
		Menu::flushMenu();
		return $this->goBack(Yii::$app->request->getReferrer());
	}
}