package recook

import (
	"errors"
	"net/url"
	"strconv"
)

type goods struct {
}

var Goods *goods

const (
	actionGoodsLists     = "/lives/goods/list"
	actionGoodsInfos     = "/lives/goods/infos"
	actionGoodsBrandList = "/lives/goods/brandlist"
)

func init() {
	Goods = &goods{}
}

type GoodsInfo struct {
	ID            uint     `json:"id"`
	GoodsName     string   `json:"goodsName"`
	BrandImg      string   `json:"brandImg"`
	BrandName     string   `json:"brandName"`
	BrandId       uint     `json:"brandId"`
	Description   string   `json:"description"`
	Inventory     uint     `json:"inventory"`    // 总库存
	SalesVolume   uint     `json:"salesVolume"`  // 总销量
	MainPhotoURL  string   `json:"mainPhotoUrl"` // 主图链接
	PromotionName string   `json:"promotionName"`
	OriginalPrice string   `json:"originalPrice"`
	DiscountPrice string   `json:"discountPrice"`
	Commission    string   `json:"commission"`
	Tags          []string `json:"tags"`      // 为产品打上标签，比如 "新人特惠" "限时特卖"
	Percent       uint     `json:"percent"`   // 活动的%-1代表不是活动
	StartTime     string   `json:"startTime"` // 开始时间
	EndTime       string   `json:"endTime"`   // 结束时间
	Coupon        string   `gorm:"coupon" json:"coupon"`
}

// @Title 根据商品id批量获取商品详情
func (g *goods) GetListByIds(ids []uint) (*[]GoodsInfo, error) {
	goodsInfos := &[]GoodsInfo{}
	if len(ids) == 0 {
		return nil, errors.New("商品id不能为空")
	}
	strIds := []string{}
	for _, id := range ids {
		strIds = append(strIds, strconv.FormatUint(uint64(id), 10))
	}
	err := RecookClient.Exec(actionGoodsInfos, url.Values{
		"ids": strIds,
	}, goodsInfos)
	return goodsInfos, err
}

type GoodsList struct {
	Total int         `json:"total"`
	List  []GoodsInfo `json:"list"`
}

// @Title 根据关键字获取商品列表
func (g *goods) GetListByKeyword(keyword string, page, limit int) (*GoodsList, error) {
	goodsInfos := &GoodsList{}
	if keyword == "" {
		return nil, errors.New("搜索关键字不能为空")
	}
	err := RecookClient.Exec(actionGoodsLists, url.Values{
		"keyword": []string{keyword},
		"page":    []string{strconv.Itoa(page)},
		"limit":   []string{strconv.Itoa(limit)},
	}, goodsInfos)
	return goodsInfos, err
}

// @Title 根据品牌id获取商品列表
func (g *goods) GetListByBrandId(brandId uint, page, limit int) (*GoodsList, error) {
	goodsInfos := &GoodsList{}
	if brandId == 0 {
		return nil, errors.New("品牌id不能为空")
	}
	err := RecookClient.Exec(actionGoodsLists, url.Values{
		"brandId": []string{strconv.FormatUint(uint64(brandId), 10)},
		"page":    []string{strconv.Itoa(page)},
		"limit":   []string{strconv.Itoa(limit)},
	}, goodsInfos)
	return goodsInfos, err
}

type BandInfo struct {
	Id      uint   `json:"id"`
	Name    string `json:"name"`
	LogoUrl string `json:"logoUrl"`
}

type BrandList struct {
	Total int        `json:"total"`
	List  []BandInfo `json:"list"`
}

// @Title 获取品牌列表
func (g *goods) GetBrandList(page, limit int) (*BrandList, error) {
	brandInfos := &BrandList{}
	err := RecookClient.Exec(actionGoodsBrandList, url.Values{
		"page":  []string{strconv.Itoa(page)},
		"limit": []string{strconv.Itoa(limit)},
	}, brandInfos)
	return brandInfos, err
}