<?php

namespace common\models\goods;

use Yii;
use yii\data\Pagination;
use yii\helpers\Json;

/**
 * This is the model class for table "qimall_goods_specs".
 *
 * @property int $id
 * @property int $mall_id 商城ID
 * @property int $store_id 店铺ID
 * @property string $name 规格名称
 * @property string $values 规格值
 * @property int|null $updated_at
 * @property int|null $created_at
 */
class GoodsSpecs extends \common\models\base\BaseActiveRecord
{
    /**
     * {@inheritdoc}
     */
    public static function tableName()
    {
        return 'qimall_goods_specs';
    }

    /**
     * {@inheritdoc}
     */
    public function rules()
    {
        return [
            [['mall_id', 'store_id', 'name', 'values'], 'required'],
            [['mall_id', 'store_id', 'updated_at', 'created_at'], 'integer'],
            [['values'], 'string'],
            [['name'], 'string', 'max' => 64],
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function attributeLabels()
    {
        return [
            'id' => 'ID',
            'mall_id' => 'Mall ID',
            'store_id' => 'Store ID',
            'name' => 'Name',
            'values' => 'Values',
            'updated_at' => 'Updated At',
            'created_at' => 'Created At',
        ];
    }

    /**
     * 添加规格
     *
     * @param integer $mall_id
     * @param string $name
     * @param array $values
     * @param integer $store_id
     * @return boolean
     */
    public static function addGoodsSpecs(int $mall_id, string $name, array $values, int $store_id = 0)
    {
        $model = new static();

        $model->mall_id     = $mall_id;
        $model->store_id    = $store_id;
        return $model->editSpecs($name, $values);
    }

    /**
     * ID获取规格
     *
     * @param integer $mall_id
     * @param integer $id
     * @return ActiveRecord|array|null a single row of query result. Depending on the setting of [[asArray]],
     */
    public static function getSpecsById(int $mall_id, int $id)
    {
        return static::find()
            ->where(['mall_id' => $mall_id, 'id' => $id])
            ->one();
    }

    /**
     * 修改规格
     *
     * @param string $name
     * @param array $values
     * @return boolean
     */
    public function editSpecs(string $name, array $values)
    {
        $this->name     = $name;
        $this->values   = Json::encode($values);
        return $this->save();
    }

    /**
     * 获取分页数据
     *
     * @param integer $page
     * @param integer $limit
     * @param callable $callback
     * @param string $order_by
     * @param callable|null $list_callback
     * @return array
     */
    public static function getPageList(
        int $page, int $limit, callable $callback, string $order_by = 'id', $list_callback = null
    ) :array
    {
        $model = static::find();
        if (!empty($callback)) call_user_func($callback, $model);

        $pagination = new Pagination(['totalCount' => $model->count(), 'pageSize' => $limit]);
        $model->limit($pagination->limit)->offset($pagination->offset);

        $list = $model->asArray()->orderBy($order_by)->all();

        // list处理
        if (!empty($list_callback)) $list = call_user_func($list_callback, $list);

        $data['list']           = $list;
        $data['page_count']     = $pagination->pageCount;
        $data['current_page']   = $page + 1;
        return $data;
    }
}