package service

import (
	"errors"
	"fmt"
	mercator "git.xiaoniaokuaiyan.com/qiaozhi/xn-mercator"
	"math/rand"
	"strings"
	"time"
	"xiaoniaokuaiyan.com/xiaoniao/dal"
	"xiaoniaokuaiyan.com/xiaoniao/entity"
	"xiaoniaokuaiyan.com/xiaoniao/util"
)

type ProductService struct {
	dal.IProduct
}

func (psrv *ProductService) ProductGet(ids []int) (interface{}, error) {
	return psrv.IProduct.Get(ids)
}

func (psrv *ProductService) ProductGetCoordinates(pid []int, coordinates string, cityId int) (interface{}, error) {
	//如果不传坐标，则表示返回产品的经纬度

	db := util.GetSqlDB()
	strSql := "select maps from v_product_city where product_id = ? and city_id = ? limit 1;"
	if len(coordinates) == 0 {
		if len(pid) > 1 {
			return nil, fmt.Errorf("1::产品大于1个")
		}
		var result string
		err := db.Get(&result, strSql, pid[0], cityId)
		strSql = "select center from t_city where id = ?"
		var center string
		err = db.Get(&center, strSql, cityId)
		return map[string]interface{}{"center": center, "maps": result}, err
	} else {
		list := map[int]int{}
		for i := range pid {
			var saleMode string
			db.Get(&saleMode, "select sale_mode from t_product where id = ?", pid[i])
			if saleMode != "100" {
				continue
			}
			//如果非邮寄产品 保存到list
			list[pid[i]] = 0
			var maps string
			err := db.Get(&maps, strSql, pid[i], cityId)
			if err != nil {
				list[pid[i]] = 1
				//return nil, fmt.Errorf("2::get maps error pid:%d,cityid:%d", pid[i], cityId)
				continue
			}
			result := mercator.IsPointInRingByStr(coordinates, maps)
			if !result {
				list[pid[i]] = 2
				//err1 = fmt.Errorf("3::超区")
				//return false, fmt.Errorf("3::超区")
			}
		}
		return list, nil
	}

}

func (psrv *ProductService) ProductGetByCateId(cateIds []int, pager dal.Pager, cityId int, sp dal.SortParam) (interface{}, error) {
	return psrv.IProduct.GetByCateId(cateIds, pager, cityId, sp)
}

func (psrv *ProductService) GetProductCate(posType int) (interface{}, error) {
	return psrv.IProduct.GetCate(posType)
}

func (psrv *ProductService) GetRecommendProduct(pager dal.Pager, cityId int, sp dal.SortParam) (interface{}, error) {
	return psrv.IProduct.GetRecommend(pager, cityId, sp)
}

func (psrv *ProductService) GetTags(level int, cityId int) (interface{}, error) {
	return psrv.IProduct.GetTags(level, cityId)
}

func (psrv *ProductService) GetByTags(tags []string, pageIndex, pageSize uint, cityId int) (interface{}, error) {
	return psrv.IProduct.GetByTags(tags, pageIndex, pageSize, cityId)
}

// 保存消费者基因类产品协议签署信息
func (psrv *ProductService) SaveConsumerGeneSign(signInfo *entity.ConsumerGeneSign) (interface{}, error) {
	db := util.GetWriteSqlDB()
	strSql, kvm := util.GenerateInsertSqlFromStruct("t_consumer_gene_sign", signInfo)
	sqlResult, err := db.NamedExec(strSql, kvm)
	if err != nil {
		return nil, err
	}
	if ra, _ := sqlResult.RowsAffected(); ra <= 0 {
		return nil, errors.New("failed to save info")
	}
	return signInfo, nil
}

func (psrv *ProductService) GetProductAddingCate(cid int) (interface{}, error) {
	if cid == 0 {
		return psrv.IProduct.GetProductAddingCate()
	}
	return psrv.IProduct.GetProductByAddingCate(cid)
}

func (psrv *ProductService) AddByDpids(dpids []int) (interface{}, error) {
	if len(dpids) <= 0 {
		return nil, errors.New("dpids is empty")
	}
	return psrv.IProduct.AddProductByDpIds(dpids)
}

func (prsv *ProductService) GetTop(n int, cityId int) (interface{}, error) {
	return prsv.IProduct.GetTop(n, cityId)
}

// 猜你喜欢 20230105
// 之前选2个 现在选6个20230505
func (prsv *ProductService) GetByGuess(mobile string) (interface{}, error) {
	db := util.GetSqlDB()
	sql := "select distinct op.product_id from t_order_product op left join t_product p on op.product_id = p.id left join t_order o on op.order_id = o.id where o.mobile = ? and o.retype in ('100','110') and p.is_putaway = 0 and p.is_delete = 0 limit 200 "

	ids := []string{}
	err := db.Select(&ids, sql, mobile)
	//if err != nil {
	//	return nil, err
	//}
	//池子id
	poolPids := []string{}
	randids := map[string]struct{}{}
	//if len(ids) >= 2 {
	//	rand.Seed(time.Now().UnixNano())
	//	for i := 0; i < 2; i++ {
	//		randids = append(randids, ids[rand.Intn(len(ids))])
	//	}
	//} else {
	//	//随机获取两个产品两个产品
	//	sql = "select id from t_product where is_delete = 0 and is_putaway =0 order by rand() limit 2"
	//	err = db.Select(&randids, sql)
	//	//如果len(ids)==1 切randids 都不曾经下单产品 更换其中一个产品
	//	if len(randids) == 2 && len(ids) == 1 && randids[0] != ids[0] && randids[1] != ids[0] {
	//		randids[0] = ids[0]
	//	}
	//}

	//20230505逻辑，从20里面选6个
	if len(ids) < 20 {
		sql = "select pid from t_guess_product g left join t_product p on g.pid = p.id  where g.pid not in (?) and p.is_putaway = 0 and p.is_delete = 0 limit 20"
		db.Select(&poolPids, sql, strings.Join(ids, ","))
		end := len(poolPids)
		if end > 20-len(ids) {
			end = 20 - len(ids)
		}
		ids = append(ids, poolPids[0:end]...)
	}
	strids := "0"
	if len(ids) < 0 {
		return nil, fmt.Errorf("暂无推荐")
	}
	//最大推荐数 与池子总数取最小
	max := 6
	if max > len(ids) {
		max = len(ids)
	}
	for {
		if len(randids) == max {
			break
		}
		id := ids[rand.Intn(len(ids))]
		if _, ok := randids[id]; !ok {
			randids[id] = struct{}{}
			strids = fmt.Sprintf("%s,%s", strids, id)
		}
	}

	sql = "select t2.*,group_concat(city_id) as cityIds from t_product t2 left join  v_product_city t3 on t2.id = t3.product_id where t2.id in (" + strids + ")  group by t2.id "

	plist := []*entity.ProductDB{}
	err = db.Select(&plist, sql)
	if err != nil {
		return nil, err
	}
	for _, pitem := range plist {
		dps := []entity.DetectProduct{}
		db.Select(&dps, "select t1.* from t_detect_product t1 left join t_product_detect_product t2 on t1.id = t2.detect_product_id where t2.product_id = ?", pitem.Id)
		pitem.Items = dps
	}
	return plist, nil
}

// region
func (*ProductService) ZFB_ProductGetByCateId(cateIds []int, pager dal.Pager, cityId int, sp dal.SortParam) (interface{}, error) {
	if pager.PageIndex < 1 {
		pager.PageIndex = 1
	}
	var skip = (pager.PageIndex - 1) * pager.PageSize
	var (
		sortDir = "desc"
		sortBy  = "is_recommend"
	)
	if sp.SortDir == 1 {
		sortDir = "asc"
	}
	switch sp.SortBy {
	case "SALE_NUM":
		sortBy = "sale_num"
	case "NEW":
		sortBy = "t2.created_at"
	case "SUM_UP":
		sortBy = "sort_no"
	case "PRICE":
		sortBy = "price"
	}
	var strCity = "and city_id =" + fmt.Sprintf("%d", cityId)
	if cityId == 0 {
		strCity = ""
	}
	db := util.GetSqlDB()
	if len(cateIds) > 0 && cateIds[0] == -3 {
		var childCids = []int{}
		db.Select(&childCids, "SELECT id from t_product_category WHERE parent_id in(?);", util.IntJoin(cateIds[1:], ","))
		cateIds = childCids
	}
	//strSql := "select t2.*,group_concat(city_id) as cityIds from t_product t2 left join t_product_category_product t1 on t1.product_id = t2.id join t_product_city t3 on t2.id = t3.product_id where t1.cat_id in(?) " + strCity + " and t2.is_putaway = 0 and t2.is_delete = 0 group by t2.id order by " + sortBy + " " + sortDir + ", t2.id desc limit ?,?;"
	strSql := "select t2.*,group_concat(city_id) as cityIds from t_product t2 left join t_product_category_product t1 on t1.product_id = t2.id join v_product_city t3 on t2.id = t3.product_id where t1.cat_id in(?) and t2.is_zfb = 1 " + strCity + " and t2.is_putaway = 0 and t2.is_delete = 0 group by t2.id order by " + sortBy + " " + sortDir + ", t2.id desc limit ?,?;"
	var firstParam interface{} = util.IntJoin(cateIds, ",")
	if len(cateIds) > 0 {
		if cateIds[0] == -1 { //促销产品
			//strSql = "select t1.*, group_concat(city_id) as cityIds from t_product t1 left join t_product_city t2 on t1.id = t2.product_id where t1.id > ? and price <> market_price and market_price > 0 " + strCity + " and t1.is_putaway = 0 and t1.is_delete = 0 group by t1.id order by " + sortBy + " " + sortDir + ", t1.id desc limit ?,?;"
			strSql = "select t1.*, group_concat(city_id) as cityIds from t_product t1 left join v_product_city t2 on t1.id = t2.product_id where t1.id > ? and zfb_price <> market_price and market_price > 0 and t1.is_zfb = 1 " + strCity + " and t1.is_putaway = 0 and t1.is_delete = 0 group by t1.id order by " + sortBy + " " + sortDir + ", t1.id desc limit ?,?;"
			firstParam = 0
		} else if cateIds[0] == -2 {
			//strSql = "select t1.*, group_concat(city_id) as cityIds from t_product t1 left join t_product_city t2 on t1.id = t2.product_id where t1.id > ? " + strCity + "  and t1.is_putaway = 0 and t1.is_delete = 0 group by t1.id order by " + sortBy + " " + sortDir + ",t1.id desc limit ?,?"
			strSql = "select t1.*, group_concat(city_id) as cityIds from t_product t1 left join v_product_city t2 on t1.id = t2.product_id where t1.id > ? and t1.is_zfb = 1 " + strCity + "  and t1.is_putaway = 0 and t1.is_delete = 0 group by t1.id order by " + sortBy + " " + sortDir + ",t1.id desc limit ?,?"
			firstParam = 0
		}
	}
	plist := []*entity.ProductDB{}
	err := db.Select(&plist, strSql, firstParam, skip, pager.PageSize)
	if err != nil {
		return nil, err
	}
	entity.ZFBWash(plist)
	for _, pitem := range plist {
		dps := []entity.DetectProduct{}
		db.Select(&dps, "select t1.* from t_detect_product t1 left join t_product_detect_product t2 on t1.id = t2.detect_product_id where t2.product_id = ?", pitem.Id)
		pitem.Items = dps
	}
	return plist, nil
}

func (*ProductService) ZFB_GetByTags(tags []string, pageIndex, pageSize uint, cityId int) (interface{}, error) {
	if pageIndex < 1 {
		pageIndex = 1
	}
	if pageSize < 5 {
		pageSize = 5
	}
	var skip = pageSize * (pageIndex - 1)
	var strTag = ""
	for _, tag := range tags {
		strTag += "'" + tag + "',"
	}
	strTag = strTag[0 : len(strTag)-1]
	strSql := "select distinct t3.* from t_tag t1 inner join t_product_tag t2 on t1.id = t2.tag_id inner join t_product t3 on t2.product_id = t3.id left join v_product_city t4 on t3.id = t4.product_id where t4.city_id = ? and t3.is_zfb = 1 and t3.is_putaway = 0 and is_delete = 0 and t1.tag_name in (" + strTag + ") order by sort_no desc limit ?,?;"
	db := util.GetSqlDB()
	plist := []*entity.ProductDB{}
	err := db.Select(&plist, strSql, cityId, skip, pageSize)
	if err != nil {
		return nil, err
	}
	entity.ZFBWash(plist)
	for _, pitem := range plist {
		dps := []entity.DetectProduct{}
		db.Select(&dps, "select t1.* from t_detect_product t1 left join t_product_detect_product t2 on t1.id = t2.detect_product_id where t2.product_id = ?", pitem.Id)
		pitem.Items = dps
	}
	return plist, nil
}

func (*ProductService) ZFB_GetRecommendProduct(pager dal.Pager, cityId int, sp dal.SortParam) (interface{}, error) {
	if pager.PageIndex < 1 {
		pager.PageIndex = 1
	}
	if pager.PageSize < 5 {
		pager.PageSize = 5
	}
	var skip = (pager.PageIndex - 1) * pager.PageSize
	var (
		sortDir = "desc"
		sortBy  = "sort_no"
	)
	if sp.SortDir == 1 {
		sortDir = "asc"
	}
	switch sp.SortBy {
	case "SALE_NUM":
		sortBy = "sale_num"
	case "NEW":
		sortBy = "t1.created_at"
	case "PRICE":
		sortBy = "price"
	}
	strSql := "select * from t_product t1 left join v_product_city t2 on t1.id = t2.product_id where city_id = ? and is_recommend = 1 and is_putaway = 0 and is_delete = 0  and t1.is_zfb = 1 order by " + sortBy + " " + sortDir + ", t1.id desc limit ?,?;"
	db := util.GetSqlDB()
	plist := []*entity.ProductDB{}
	err := db.Select(&plist, strSql, cityId, skip, pager.PageSize)
	if err != nil {
		return nil, err
	}
	entity.ZFBWash(plist)
	for _, pitem := range plist {
		dps := []entity.DetectProduct{}
		db.Select(&dps, "select t1.* from t_detect_product t1 left join t_product_detect_product t2 on t1.id = t2.detect_product_id where t2.product_id = ?", pitem.Id)
		pitem.Items = dps
	}
	return plist, nil
}

func (psrv *ProductService) ZFB_ProductGet(ids []int) (interface{}, error) {
	p, err := psrv.IProduct.Get(ids)
	if err == nil {
		entity.ZFBWash(p)
	}
	return p, err
}

func (prsv *ProductService) ZFB_GetTop(n int, cityId int) (interface{}, error) {
	var (
		now       = time.Now()
		startDate = now.Add(-time.Hour * 24 * 90).Format("2006-01-02")
		endDate   = now.Add(time.Hour * 24).Format("2006-01-02")
	)
	strSql := `select * from t_product t1 right join(
					select tp.* from (
					    SELECT product_id, count(*) as num from t_order_product where order_id in(
							SELECT id from t_order where source='sp_zfb' and actual_payment >0 and (created_at BETWEEN ? and ?) and status not in(1,7,8,9,14) and retype in ('100','110') and is_delete='N'
						) GROUP BY product_id 
					)tp left JOIN v_product_city tc on tp.product_id = tc.product_id where tc.city_id = ?
				) t2 on t1.id = t2.product_id  where is_delete = 0 and is_putaway =0 and t1.is_zfb=1 order by num desc LIMIT ?;`
	db := util.GetSqlDB()
	plist := []*entity.ProductDB{}
	err := db.Select(&plist, strSql, startDate, endDate, cityId, n)
	entity.ZFBWash(plist)
	return plist, err
}

//endregion