<?php

namespace backend\modules\mall\services;

use common\enums\StatusEnum;
use common\models\goods\Goods;
use common\models\goods\GoodsDescriptionTemplate;
use common\models\goods\GoodsExtra;

class DescriptionTemplateService extends BaseService
{
    /**
     * @param array $params
     *
     * @return array
     */
    public function list(array $params): array
    {
        $baseWhere = ['mall_id' => $this->mall_id, 'status' => StatusEnum::ENABLED];
        $where = [$baseWhere];
        if (isset($params['name']) && $params['name'] !== '') {
            $where[] = ['like', 'name', $params['name']];
        }
        return GoodsDescriptionTemplate::listPage([
            'where' => $where,
            'order' => 'id desc'
        ]);
    }

    /**
     * @param int $id
     *
     * @return bool
     */
    public function del(int $id): bool
    {
        $goodsIds = GoodsExtra::find()
            ->where([
                'description_template_id' => $id,
                'status' => StatusEnum::ENABLED,
                'mall_id' => $this->mall_id
            ])
            ->select('goods_id')
            ->column();
        if (
            !empty($goodsIds) &&
            Goods::find()
                ->where([
                    'mall_id' => $this->mall_id,
                    'status' => StatusEnum::ENABLED,
                    'id' => $goodsIds
                ])
                ->exists()
        ) {
            $this->error('当前模板已有商品关联，不允许删除');
            return false;
        }

        if (!$this->edit(['id' => $id, 'status' => StatusEnum::DELETE])) {
            return false;
        }

        return true;
    }

    /**
     * @param array $data
     *
     * @return bool
     */
    public function edit(array $data): bool
    {
        $data['mall_id'] = $this->mall_id;
        if (GoodsDescriptionTemplate::setData($data) === false) {
            $this->error(GoodsDescriptionTemplate::getStaticError());
            return false;
        }

        return true;
    }

    /**
     * @param int $id
     *
     * @return array|\yii\db\ActiveRecord|null
     */
    public function detail(int $id)
    {
        return GoodsDescriptionTemplate::find()
            ->select('id, name, frontend_name, fields')
            ->where(['id' => $id, 'status' => StatusEnum::ENABLED, 'mall_id' => $this->mall_id])
            ->one();
    }

    /**
     * @return array
     */
    public function selectList(): array
    {
        $list = GoodsDescriptionTemplate::find()
            ->select('id, name, fields')
            ->where(['status' => StatusEnum::ENABLED, 'mall_id' => $this->mall_id])
            ->indexBy('id')
            ->asArray()
            ->all();

        foreach ($list as &$item) {
            $item['fields'] = json_decode($item['fields'], true) ?: [];
        }

        return $list;
    }
}