package service

import (
	"errors"
	"gorm.io/gorm"
	"pure/global"
	"pure/model"
	"pure/model/request"
	"pure/model/response"
	"pure/utils"
	"strconv"
)

func ChangeCollectionMission(uuid string, info request.MissionId) (err error, id uint) {
	var (
		tmp               model.CollectionMission
		collectionMission model.CollectionMission
	)
	err = global.MG_DB.Model(&model.Mission{}).Where("id = ?", info.MissionId).First(&model.Mission{}).Error
	if err != nil {
		return
	}
	err = global.MG_DB.Model(&model.CollectionMission{}).Where("mission_id = ? AND create_by = ?", info.MissionId, uuid).Find(&tmp).Error
	if err != nil {
		return
	}
	tx := global.MG_DB.Begin()
	if tmp.ID == 0 {
		collectionMission.MissionId = info.MissionId
		collectionMission.CreateBy = uuid
		err = tx.Model(&model.CollectionMission{}).Create(&collectionMission).Error
		if err != nil {
			tx.Rollback()
			err = errors.New("收藏失败")
			return
		}
		//任务收藏数+1
		err = tx.Model(&model.Mission{}).Where("id = ?", info.MissionId).UpdateColumn("collection_num", gorm.Expr("collection_num + 1")).Error
		if err != nil {
			tx.Rollback()
			return
		}
	} else {
		err = tx.Model(&model.CollectionMission{}).Delete(&tmp).Error
		if err != nil {
			tx.Rollback()
			err = errors.New("取消收藏失败")
			return
		}
		//任务收藏数-1
		err = tx.Model(&model.Mission{}).Where("id = ? AND collection_num > 0", info.MissionId).UpdateColumn("collection_num", gorm.Expr("collection_num - 1")).Error
		if err != nil {
			tx.Rollback()
			return
		}
	}
	tx.Commit()
	id = collectionMission.ID
	return
}

// 已废弃
func GetCollectionMissionListBak(uuid string, info request.SearchCollectionMission) (err error, list interface{}, total int64) {
	limit := info.PageSize
	offset := info.PageSize * (info.Page - 1)
	db := global.MG_DB.Model(&model.CollectionMission{}).Joins("INNER JOIN mission ON mission.id = collection_mission.mission_id").
		Where("collection_mission.create_by = ?", uuid)
	err = db.Count(&total).Error
	var res []model.MissionDetail
	err = db.Select("mission.id,mission.title,mission.goods_id,mission.goods_status,mission.num,mission.hire_type,mission.hire_money,mission.hire_ratio,mission.start_time,mission.end_time,mission.`status`,mission.create_by").
		Preload("Goods", func(db *gorm.DB) *gorm.DB {
			return db.Select("id,spu_no,title,title_eng,cover,images,tags,retail_price,price_min,price_max")
		}).Order("collection_mission.id DESC").Limit(limit).Offset(offset).Find(&res).Error
	if err != nil {
		return err, nil, 0
	}
	var (
		ids   []uint
		uuids []string
	)
	for i := 0; i < len(res); i++ {
		if res[i].CreateBy != "" {
			uuids = append(uuids, res[i].CreateBy)
		}
		if res[i].HireType == 1 { //1:固定佣金
			res[i].HireMoneyExpect = utils.FormatFloatToString(res[i].HireMoney)
		} else { //2:比例抽成
			if res[i].Goods.PriceMin == res[i].Goods.PriceMax {
				res[i].HireMoneyExpect = utils.FormatFloatToString(res[i].Goods.PriceMin * (res[i].HireRatio / 100))
			} else {
				res[i].HireMoneyExpect = utils.FormatFloatToString(res[i].Goods.PriceMin*(res[i].HireRatio/100)) + "-" + utils.FormatFloatToString(res[i].Goods.PriceMax*(res[i].HireRatio/100))
			}
		}
		ids = append(ids, res[i].ID)
		//res[i].CollectStatus = getMissionCollectStatus(uuid, res[i].ID)
	}
	if len(ids) != 0 {
		statusMap := getMissionCollectStatusMap(uuid, ids)
		for i := 0; i < len(res); i++ {
			res[i].CollectStatus = statusMap[res[i].ID]
		}
	}
	if len(uuids) != 0 {
		_, storeMap := getSellerStoreInfoMap(uuids)
		for i := 0; i < len(res); i++ {
			if val, ok := storeMap[res[i].CreateBy]; ok {
				res[i].Store = val
			}
		}
	}
	return err, res, total
}

// 收藏任务列表
func GetCollectionMissionList(uuid string, info request.SearchCollectionMission) (err error, list []response.MissionCollectView, total int64) {
	limit := info.PageSize
	offset := info.PageSize * (info.Page - 1)
	db := global.MG_DB.Model(&model.CollectionMission{}).Joins("INNER JOIN mission ON mission.id = collection_mission.mission_id").
		Where("collection_mission.create_by = ?", uuid)
	err = db.Count(&total).Error
	var res []model.MissionDetail

	err = db.Select("mission.id,mission.title,mission.goods_id,mission.goods_status,mission.num,mission.hire_type,mission.hire_money,mission.hire_ratio,mission.start_time,mission.end_time,mission.`status`,mission.create_by").
		Preload("Goods", func(db *gorm.DB) *gorm.DB {
			return db.Select("id,spu_no,title,title_eng,cover,images,tags,retail_price,price_min,price_max")
		}).Order("collection_mission.id DESC").Limit(limit).Offset(offset).Find(&res).Error
	if err != nil {
		return err, nil, 0
	}
	var (
		ids         []uint
		uuids       []string
		missionList []response.MissionCollectView
	)
	for i := 0; i < len(res); i++ {
		if res[i].CreateBy != "" {
			uuids = append(uuids, res[i].CreateBy)
		}
		if res[i].HireType == 1 { //1:固定佣金
			res[i].HireMoneyExpect = utils.FormatFloatToString(res[i].HireMoney)
		} else { //2:比例抽成
			//按最高价显示
			res[i].HireMoneyExpect = utils.FormatFloatToString(res[i].Goods.PriceMax * (res[i].HireRatio / 100))
		}
		bonus, sales, _ := GetMissionBonusAndSales(res[i].ID)
		vMission := response.MissionCollectView{
			ID:              0,
			MissionId:       res[i].ID,
			AchieveNum:      sales,
			TotalBonus:      bonus.Total,
			Status:          res[i].Status,
			HireType:        res[i].HireType,
			HireMoneyExpect: res[i].HireMoneyExpect,
			Goods: response.MissionGoodsView{
				GoodsId:  res[i].GoodsId,
				SkuNo:    "",
				Title:    res[i].Goods.Title,
				Images:   res[i].Goods.Cover,
				Price:    res[i].Goods.PriceMax,
				SpuNo:    res[i].Goods.SpuNo,
				TitleEng: res[i].Goods.TitleEng,
			},
		}
		missionList = append(missionList, vMission)

		ids = append(ids, res[i].ID)
		//res[i].CollectStatus = getMissionCollectStatus(uuid, res[i].ID)
	}

	return err, missionList, total
}

func getMissionCollectStatus(uuid string, id uint) (result bool) {
	err := global.MG_DB.Model(&model.CollectionMission{}).Where("create_by = ? AND mission_id = ?", uuid, id).First(&model.CollectionMission{}).Error
	if err != nil {
		return false
	}
	return true
}

func getMissionCollectStatusMap(uuid string, ids []uint) map[uint]bool {
	var (
		list   []model.CollectionMission
		result = make(map[uint]bool)
	)
	err := global.MG_DB.Model(&model.CollectionMission{}).Where("create_by = ? AND mission_id IN (?)", uuid, ids).Find(&list).Error
	if err != nil {
		return result
	}
	for i := 0; i < len(list); i++ {
		result[list[i].MissionId] = true
	}
	for i := 0; i < len(ids); i++ {
		if _, ok := result[ids[i]]; !ok {
			result[ids[i]] = false
		}
	}
	return result
}

// 收藏任务列表
func GetRecommendMissionList(info request.SearchRecommendMission) (err error, list []response.MissionRecommendResponse, total int64) {
	limit := info.PageSize
	offset := info.PageSize * (info.Page - 1)
	db := global.MG_DB.Model(&model.MissionRecommend{}).
		Joins("inner join mission_claim_video on mission_recommend.relation_id = mission_claim_video.id").
		Joins("inner join mission on mission.id = mission_claim_video.mission_id").
		Where("mission_claim_video.status = 2"). //审核通过状态
		Order("mission_recommend.sort desc")
	err = db.Count(&total).Error
	if err != nil {
		return err, nil, 0
	}
	var res []model.MissionRecommendDetail

	err = db.Preload("MissionVideo", func(db *gorm.DB) *gorm.DB {
		return db.Preload("Mission", func(db *gorm.DB) *gorm.DB {
			return db.Select("id,title,goods_id,goods_status,num,hire_type,hire_money,hire_ratio,claim_num,start_time,end_time,`status`,has_video,video_channel_ids,video_country_id,claim_days,create_by").
				Preload("Goods", func(db *gorm.DB) *gorm.DB {
					return db.Select("id,spu_no,title,title_eng,images,retail_price,price_min,price_max,stock,sales,online,created_at,updated_at")
				})
		}).Preload("Influencer", func(db *gorm.DB) *gorm.DB {
			return db.Select("uuid,nick_name,phone")
		})
	}).Order("id DESC").Limit(limit).Offset(offset).Find(&res).Error

	if err != nil {
		return err, nil, 0
	}
	for i := 0; i < len(res); i++ {
		//精简字段赋值
		vRes := formatMissionRecommendData(res[i])
		vRes.Tag = GetTagNamesByRelation(strconv.Itoa(int(vRes.MissionRecommend.RelationId)), "02")
		list = append(list, vRes)
	}

	return err, list, total
}

func GetRecommendMissionDetail(id request.IdReq) (err error, data response.MissionRecommendResponse) {

	db := global.MG_DB.Model(&model.MissionRecommend{}).
		Joins("inner join mission_claim_video on mission_recommend.relation_id = mission_claim_video.id").
		Joins("inner join mission on mission.id = mission_claim_video.mission_id").
		Where("mission_recommend.id = ?", id.ID)
	var res model.MissionRecommendDetail

	err = db.Preload("MissionVideo", func(db *gorm.DB) *gorm.DB {
		return db.Preload("Mission", func(db *gorm.DB) *gorm.DB {
			return db.Select("id,title,goods_id,goods_status,num,hire_type,hire_money,hire_ratio,claim_num,start_time,end_time,`status`,has_video,video_channel_ids,video_country_id,claim_days,create_by").
				Preload("Goods", func(db *gorm.DB) *gorm.DB {
					return db.Select("id,spu_no,title,title_eng,images,retail_price,price_min,price_max,stock,sales,online,created_at,updated_at")
				})
		}).Preload("Influencer", func(db *gorm.DB) *gorm.DB {
			return db.Select("uuid,nick_name,phone")
		})
	}).First(&res).Error

	if err != nil {
		return err, data
	}
	data = formatMissionRecommendData(res)

	return err, data
}

func formatMissionRecommendData(res model.MissionRecommendDetail) response.MissionRecommendResponse {
	bonus, sales, claimNum := GetMissionBonusAndSales(res.MissionVideo.MissionId)
	if res.MissionVideo.Mission.HireType == 1 { //1:固定佣金
		res.MissionVideo.Mission.HireMoneyExpect = utils.FormatFloatToString(res.MissionVideo.Mission.HireMoney)
	} else { //2:比例抽成
		//按最高价显示
		res.MissionVideo.Mission.HireMoneyExpect = utils.FormatFloatToString(res.MissionVideo.Mission.Goods.PriceMax * (res.MissionVideo.Mission.HireRatio / 100))
	}
	//精简字段赋值
	vRes := response.MissionRecommendResponse{
		MissionRecommend: res.MissionRecommend,
		MissionVideoCommonData: response.MissionVideoCommonData{
			MissionId:       res.MissionVideo.MissionId,
			VideoUrl:        res.MissionVideo.VideoUrl,
			Cover:           res.MissionVideo.Cover,
			Title:           res.MissionVideo.Mission.Title,
			GoodsTitle:      res.MissionVideo.Mission.Goods.Title,
			GoodsTitleEng:   res.MissionVideo.Mission.Goods.TitleEng,
			Influencer:      res.MissionVideo.Influencer,
			Tag:             "",
			MissionStatus:   res.MissionVideo.Mission.Status,
			StartTime:       res.MissionVideo.Mission.StartTime,
			EndTime:         res.MissionVideo.Mission.EndTime,
			HireType:        res.MissionVideo.Mission.HireType,
			HireMoney:       res.MissionVideo.Mission.HireMoney,
			HireRatio:       res.MissionVideo.Mission.HireRatio,
			HireMoneyExpect: res.MissionVideo.Mission.HireMoneyExpect,
			ReleaseCountry:  res.MissionVideo.Mission.ReleaseCountry,
			ReleaseChannels: res.MissionVideo.Mission.ReleaseChannels,
			AchieveNum:      sales,
			TotalBonus:      bonus.Total,
			BoughtNum:       bonus.UserTotal,
			Width:           res.MissionVideo.Width,
			Height:          res.MissionVideo.Height,
			ClaimNum:        claimNum,
		},
	}
	return vRes
}