<?php

namespace app\models;

use Yii;
use app\models\db\Category as CategoryModel;
use app\helpers\Basehelp;
use yii\helpers\ArrayHelper;

/**
 * Category model
 */
class Category extends CategoryModel
{
    /**
     * Create new category item.
     * @return bool
     */
    public function createCategory() {
        if ($this->validate()) {
            $this->save();
            return true;
        }
        return false;
    }

    /**
     * Update current category
     * @return boolean
     */
    public function updateCategory() {
        if ($this->validate()) {
            $posted = Yii::$app->request->post(ucfirst($this->tableName()));
            $this->name = $posted['name'];
            $this->link = $posted['link'];
            $this->parent = $posted['parent'];
            $this->update();
            return true;
        }
        return false;
    }

    /**
     * remove Current category
     * @return bool
     */
    public function deleteCategory($id) {
        $status = false;
        $this->id = $id;

        if ($this->id > 0) {
            $categories = $this->getChildsTree();
            $status = self::deleteAll(['in', 'id', $categories]);
        }

        return $status;
    }

    /**
     * get childs list
     * @return array ids list
     */
    public function getChildsTree() {
        $childs[] = $this->id;
        while ($child = $this->getChilds()) {
            $haveChild = [];
            foreach ($child as $item) {
                $this->id = $item['id'];
                $childs[] = $item['id'];
            }

            if (sizeof($child) > 1) {
                foreach ($child as $item) {
                    $haveChild = $this->getChilds($item['id']);
                    if (sizeof($haveChild) > 0) {
                        $this->id = $item['id'];
                    }
                }
            }
        }

        return $childs;
    }


    /**
     * Get all items
     * @return array
     */
    private function getCategoryQuery() {
        return parent::find()->orderBy(['parent' => SORT_ASC])->asArray()->all();
    }

    /**
     * Get current menu
     * @return array
     */
    public function getCategory() {
        $list = $this->getCategoryQuery();
        $list = Basehelp::formatTree($list, 0);

        return $list;
    }


    /**
     * Get all menu links with format tree view
     * @return array
     */
    public function getCategorySelect() {
        $menu_list = $this->getCategoryQuery();
        $list = ArrayHelper::map($menu_list, 'id', 'name');
        $list[0] = 'Without parent';
        ksort($list);

        return $list;
    }

    /**
     * Get menu name
     * @return string
     */
    public function getCategoryName() {
        return $this->name;
    }

    /**
     * Get menu link
     * @return string
     */
    public function getCategoryLink() {
        return $this->link;
    }

    /**
     * Get menu parent
     * @return integer
     */
    public function getCategoryParent() {
        return (int)$this->parent;
    }

    /**
     * Get child category
     * @return object
     */
    public function getChilds($parent = 0) {
        if ($parent < 1) {
            $parent = $this->id;
        }
        return self::find()->where(['=', 'parent', $parent])->orderBy(['parent' => SORT_DESC])->all();
    }
}