package goods

import (
	"encoding/json"
	"live/app/constant"
	"live/app/lib"
	"live/app/lib/db"
	"live/app/lib/recook"
	"live/app/model/promotion"
	"time"
)

type Goods struct {
}

// @Title 商品列表 关键字jiansuo
func (g *Goods) GetGoodsList(keyword string, page lib.Page) *recook.GoodsList {
	goodsInfos, err := recook.Goods.GetListByKeyword(keyword, page.GetPage(), page.GetLimit())
	if err != nil {
		return &recook.GoodsList{}
	}
	return goodsInfos
}

// @Title 品牌列表
func (g *Goods) BrandList(page lib.Page) *recook.BrandList {
	list, _ := recook.Goods.GetBrandList(page.GetPage(), page.GetLimit())
	return list
}

// @Title 指定品牌商品列表
func (g *Goods) GoodsListByBrandId(brandId uint, page lib.Page) *recook.GoodsList {
	list, _ := recook.Goods.GetListByBrandId(brandId, page.GetPage(), page.GetLimit())
	return list
}

// @Title 指定品牌商品列表
func (g *Goods) HotGoods(page lib.Page) (result []recook.GoodsInfo, dataLen int) {
	data := db.Redis.Get(constant.RedisKeyPromotionGoodsList).Val()
	promotionGoods := []promotion.PromotionGoods{}
	json.Unmarshal([]byte(data), &promotionGoods)
	day := time.Now().Format("2006-01-02")
	if len(promotionGoods) == 0 || promotionGoods[0].PromotionStartDate.Time.Format("2006-01-02") != day {
		promotionGoodsModel := &promotion.PromotionGoods{}
		lists := promotionGoodsModel.GetDayAll()
		data := []promotion.PromotionGoods{}
		index := 0
		lastId := uint(0)
		for _, list := range lists {
			if lastId != list.PromotionTimeItemId {
				index = 1
				lastId = list.PromotionTimeItemId
			}
			if index > 5 {
				continue
			}
			data = append(data, list)
			index++
		}
		dataStr, _ := json.Marshal(data)
		db.Redis.Set(constant.RedisKeyPromotionGoodsList, string(dataStr), time.Hour*24)
		promotionGoods = data
	}
	dataLen = len(promotionGoods)
	start := page.GetStart()
	if dataLen >= start {
		end := page.GetLimit() + start
		if end > dataLen {
			end = dataLen
		}
		goodsIds := []uint{}
		for _, goods := range promotionGoods[start:end] {
			goodsIds = append(goodsIds, goods.GoodsId)
		}
		ids, err := recook.Goods.GetListByIds(goodsIds)
		if err != nil {
			return
		}
		result = *ids
	}
	return
}