package shop

import (
	"errors"
	"zhiyuan/models"
	"zhiyuan/pkg/db"
	"zhiyuan/pkg/redis"
	"zhiyuan/pkg/utils"
	"zhiyuan/services/form"
)

var Shop models.Shop

const cacheKey = "shop"

func GetList(where map[string]interface{}, fields []string, retVal interface{}) ([]*models.Shop, error) {
	return Shop.GetMulti(where, fields, retVal)
}

func GetListByCache() ([]*models.Shop, error) {
	res, err := redis.Get(cacheKey)
	var shopList []*models.Shop
	if err != nil {
		shopList, err = GetList(nil, nil, nil)
		if err != nil {
			return nil, err
		}
		redis.Set(cacheKey, shopList, 3600)
	} else {
		utils.JsonDecode(res).To(&shopList)
	}
	return shopList, nil
}

func Add(form form.ShopAdd) (int64, error) {
	if CheckDuplicate(form.ShopName) {
		return 0, errors.New("门店已存在")
	}
	shopMap := map[string]interface{}{
		"shop_name":    form.ShopName,
		"collect_info": form.CollectInfo,
	}
	shopID, err := db.InsertOne(Shop.TableName(), shopMap)
	if err != nil {
		return 0, nil
	}
	redis.Del(cacheKey)
	return shopID, nil
}

func Edit(form form.ShopAdd, id int) (int64, error) {
	shopInfo, _ := GetOne(map[string]interface{}{"id": id}, nil, nil)
	if shopInfo.ShopName != form.ShopName && CheckDuplicate(form.ShopName) {
		return 0, errors.New("门店已存在")
	}
	shopMap := map[string]interface{}{
		"shop_name":    form.ShopName,
		"collect_info": form.CollectInfo,
	}
	redis.Del(cacheKey)
	return db.Update(Shop.TableName(), map[string]interface{}{"id": id}, shopMap)
}

func GetOne(where map[string]interface{}, fields []string, dest interface{}) (*models.Shop, error) {
	return Shop.GetOne(where, fields, dest)
}

func CheckDuplicate(name string) bool {
	shopInfo, err := GetOne(map[string]interface{}{"shop_name": name}, nil, nil)
	return shopInfo != nil && err == nil
}