package merchant

import (
	"errors"
	logger "eta/eta_mini_ht_api/common/component/log"
	"eta/eta_mini_ht_api/common/utils/page"
	stringUtils "eta/eta_mini_ht_api/common/utils/string"
	reportDomain "eta/eta_mini_ht_api/domian/report"
	merchantDao "eta/eta_mini_ht_api/models/merchant"
	"gorm.io/gorm"
	"strings"
	"sync/atomic"
	"time"
)

var (
	typeTransfer = map[merchantDao.MerchantProductType]string{
		merchantDao.Report:  "单篇报告",
		merchantDao.Video:   "单个视频",
		merchantDao.Audio:   "单个音频",
		merchantDao.Package: "套餐",
	}
	typeKindTransfer = map[string]merchantDao.MerchantProductType{
		"report":  merchantDao.Report,
		"video":   merchantDao.Video,
		"audio":   merchantDao.Audio,
		"package": merchantDao.Package,
	}
)

type MerchantProductDTO struct {
	Id          int
	Title       string
	CoverSrc    int
	CoverUrl    string
	Description string
	Price       string
	ProductTile string
	RiskLevel   string
	Type        string
	TypeCN      string
	IsPermanent bool
	ValidDays   int
	SaleStatus  string
	SourceId    int
	CreatedTime time.Time
	Deleted     bool
}

func GetMerchantProductById(id int) (productDTO MerchantProductDTO, err error) {
	product, err := merchantDao.GetMerchantProductById(id)
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			logger.Error("商品信息不存在[productId:%d]", id)
		} else {
			logger.Error("获取商品信息失败[productId:%d],err:", id, err)
		}
	}
	productDTO = convertToDTO(product)
	return
}
func convertToDTO(product merchantDao.MerchantProduct) MerchantProductDTO {
	return MerchantProductDTO{
		Id:          product.Id,
		Title:       product.Title,
		CoverSrc:    product.CoverSrc,
		CoverUrl:    product.CoverUrl,
		Description: product.Description,
		ProductTile: product.Title,
		Price:       product.Price,
		RiskLevel:   product.RiskLevel,
		Type:        string(product.Type),
		TypeCN:      typeTransfer[product.Type],
		IsPermanent: product.IsPermanent,
		ValidDays:   product.ValidDays,
		SourceId:    product.SourceId,
		SaleStatus:  string(product.SaleStatus),
		CreatedTime: product.CreatedTime,
		Deleted:     product.Deleted > 0,
	}

}

func GetProductBySourceId(id int, productType merchantDao.MerchantProductType) (product MerchantProductDTO, err error) {
	productDao, err := merchantDao.GetMerchantProductBySourceId(id, productType)
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			logger.Error("商品信息不存在[sourceId:%d,type:%v]", id, productType)
		} else {
			logger.Error("获取商品信息失败[sourceId:%d,type:%v],err:%v", id, productType, err)
		}
		return
	}
	product = convertToDTO(productDao)
	return
}

func GetProductListBySourceIds(ids []int, productType string) (productDTOS []MerchantProductDTO, err error) {
	productList, err := merchantDao.GetProductListBySourceIds(ids, true, typeKindTransfer[productType])
	if err != nil {
		logger.Error("获取商品列表失败[sourceIds:%v,type:%v],err:%v", ids, productType, err)
		return
	}
	for _, product := range productList {

		productDTO := convertToDTO(product)
		productDTOS = append(productDTOS, productDTO)
	}
	return
}

func GetProductListByProductType(productType string) (list []MerchantProductDTO, err error) {
	productList, err := merchantDao.GetProductListByProductType(typeKindTransfer[productType], true)
	for _, product := range productList {
		productDTO := convertToDTO(product)
		list = append(list, productDTO)
	}
	return
}

func GetProductPageByProductType(productIds []int, info page.PageInfo) (dtoList []MerchantProductDTO, err error) {
	offset := page.StartIndex(info.Current, info.PageSize)
	productList, err := merchantDao.GetProductPageByProductType(productIds, info.LatestId, offset, info.PageSize)
	if err != nil {
		logger.Error("获取商品列表失败[productIds:%v,pageInfo:%v],err:%v", productIds, info, err)
		return
	}
	for _, productInfo := range productList {
		productDTO := convertToDTO(productInfo)
		dtoList = append(dtoList, productDTO)
	}
	return
}

func GetProductByProductType() (productIdMap map[string][]int, err error) {
	productIdStrMap, err := merchantDao.GetProductByProductType()
	if err != nil {
		logger.Error("根据类型分类获取商品ID失败,err:%v", err)
		return
	}
	productIdMap = make(map[string][]int, len(productIdStrMap))
	for productType, productIds := range productIdStrMap {
		idStr := strings.Split(productIds, ",")
		productIdMap[productType], _ = stringUtils.StringToIntSlice(idStr)
	}
	return
}

func LatestId() (latestId int64) {

	return merchantDao.LatestId()
}

func ProductListBySort(isSignal bool, list []reportDomain.ProductSearchDTO, weightMap map[int]*atomic.Int32, info page.PageInfo) (productDTOS []MerchantProductDTO, err error) {
	offset := page.StartIndex(info.Current, info.PageSize)
	var productList []merchantDao.MerchantProduct
	if isSignal {
		var searchList []merchantDao.ProductDTO
		for _, product := range list {
			searchList = append(searchList, merchantDao.ProductDTO{
				SourceId:   product.SourceId,
				SourceType: product.SourceType,
				Score:      product.Score,
			})
		}
		productList, err = merchantDao.ProductListBySort(searchList, info.LatestId, offset, info.PageSize)
		if err != nil {
			return
		}

	} else {
		productList, err = merchantDao.PackageListBySort(weightMap, info.LatestId, offset, info.PageSize)
		if err != nil {
			return
		}
	}
	for _, productInfo := range productList {
		productDTOS = append(productDTOS, convertToDTO(productInfo))
	}
	return
}

func GetOffSaleProducts(productTypeList []string) (dtoList []MerchantProductDTO, err error) {
	var productTypeQuery []merchantDao.MerchantProductType
	for _, productType := range productTypeList {
		productTypeQuery = append(productTypeQuery, typeKindTransfer[productType])
	}
	list, err := merchantDao.GetOffSaleProducts(productTypeQuery)
	for _, product := range list {
		dtoList = append(dtoList, convertToDTO(product))
	}
	return
}