package service

import (
	"errors"
	"fmt"
	"time"

	"shop-api/global"
	"shop-api/model"
	"shop-api/model/request"
	"shop-api/utils"

	"gorm.io/gorm"
)

func GetMissionDetail(uuid string, id uint) (error, model.MissionDetail) {
	var (
		err    error
		result model.MissionDetail
	)
	err = global.MG_DB.Model(&model.Mission{}).
		Select("id,title,goods_id,goods_status,num,hire_type,hire_money,hire_ratio,start_time,end_time,status,create_by").
		Where("id = ?", id).Preload("Goods", func(db *gorm.DB) *gorm.DB {
		return db.Select("id,spu_no,title,title_eng,images,tags,retail_price,price_min,price_max").Unscoped()
	}).First(&result).Error
	if err != nil {
		return err, result
	}
	if result.HireType == 1 { // 1:固定佣金
		result.HireMoneyExpect = utils.FormatFloatToString(result.HireMoney)
	} else { // 2:比例抽成
		if result.Goods.PriceMin == result.Goods.PriceMax {
			result.HireMoneyExpect = utils.FormatFloatToString(result.Goods.PriceMin * (result.HireRatio / 100))
		} else {
			result.HireMoneyExpect = utils.FormatFloatToString(result.Goods.PriceMin*(result.HireRatio/100)) + "-" + utils.FormatFloatToString(result.Goods.PriceMax*(result.HireRatio/100))
		}
	}
	if result.CreateBy != "" {
		_, result.Store = GetSellerStoreInfo(result.CreateBy)
	}
	result.CollectStatus = getMissionCollectStatus(uuid, result.ID)
	return nil, result
}

func GetMissionList(uuid string, info request.SearchMission) (err error, list interface{}, total int64) {
	limit := info.PageSize
	offset := info.PageSize * (info.Page - 1)
	db := global.MG_DB.Model(&model.Mission{}).Joins("INNER JOIN tb_goods ON tb_goods.id = mission.goods_id").
		Where("mission.`status` = 2 AND mission.goods_status = 1 AND tb_goods.stock > 0")
	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,images,tags,retail_price,price_min,price_max").Unscoped()
		}).Limit(limit).Offset(offset).Order("id desc").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].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 = fmt.Sprintf("%v", res[i].Goods.PriceMin*(res[i].HireRatio/100))
				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))
			}
		}
		if res[i].CreateBy != "" {
			uuids = append(uuids, res[i].CreateBy)
		}
		ids = append(ids, res[i].ID)
	}
	if len(ids) != 0 {
		statusMap := getMissionCollectStatusMap(uuid, ids)
		for i := 0; i < len(res); i++ {
			if val, ok := statusMap[res[i].ID]; ok {
				res[i].CollectStatus = val
			}
		}
	}
	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
}

func GetMissionClaim(uuid string, id uint) (err error, res model.MissionClaimDetail) {
	err = global.MG_DB.Model(&model.MissionClaim{}).Where("create_by = ? AND id = ?", uuid, id).
		Select("id,mission_id,claim_no,achieve_num,`status`,created_at,updated_at").
		Preload("Order", func(db *gorm.DB) *gorm.DB {
			return db.Select("order_id,mission_claim_id,`status`,courier,courier_url,courier_number")
		}).
		Preload("Mission", func(db *gorm.DB) *gorm.DB {
			return db.Select("id,title,goods_id,goods_status,num,hire_type,hire_money,hire_ratio,start_time,end_time,`status`,create_by").
				Preload("Goods", func(db *gorm.DB) *gorm.DB {
					return db.Select("id,spu_no,title,title_eng,images,tags,retail_price,price_min,price_max").Unscoped()
				})
		}).Preload("Works").First(&res).Error
	if err != nil {
		return
	}
	if res.Mission.CreateBy != "" {
		_, res.Mission.Store = GetSellerStoreInfo(res.Mission.CreateBy)
	}
	if res.Mission.HireType == 1 { // 1:固定佣金
		res.Mission.HireMoneyExpect = utils.FormatFloatToString(res.Mission.HireMoney)
	} else { // 2:比例抽成
		if res.Mission.Goods.PriceMin == res.Mission.Goods.PriceMax {
			res.Mission.HireMoneyExpect = utils.FormatFloatToString(res.Mission.Goods.PriceMin * (res.Mission.HireRatio / 100))
		} else {
			res.Mission.HireMoneyExpect = utils.FormatFloatToString(res.Mission.Goods.PriceMin*(res.Mission.HireRatio/100)) + "-" + utils.FormatFloatToString(res.Mission.Goods.PriceMax*(res.Mission.HireRatio/100))
		}
	}
	if res.Mission.ID != 0 {
		res.Mission.CollectStatus = getMissionCollectStatus(uuid, res.Mission.ID)
	}
	res.SpreadUrl = global.MG_CONFIG.Tools.CustomerUrl + "/CommodityDetails?id=" + fmt.Sprintf("%v", res.Mission.Goods.ID) + "&spu_no=" + res.Mission.Goods.SpuNo + "&claim_no=" + res.ClaimNo
	return
}

func GetMissionClaimList(uuid string, info request.SearchMissionClaim) (err error, list interface{}, total int64) {
	limit := info.PageSize
	offset := info.PageSize * (info.Page - 1)
	db := global.MG_DB.Model(&model.MissionClaim{}).Where("create_by = ?", uuid)
	err = db.Count(&total).Error
	var res []model.MissionClaimDetail
	err = db.Select("id,mission_id,claim_no,achieve_num,`status`,created_at,updated_at").Preload("Order", func(db *gorm.DB) *gorm.DB {
		return db.Select("order_id,mission_claim_id,`status`,courier,courier_url,courier_number")
	}).Preload("Mission", func(db *gorm.DB) *gorm.DB {
		return db.Select("id,title,goods_id,goods_status,num,hire_type,hire_money,hire_ratio,start_time,end_time,`status`").
			Preload("Goods", func(db *gorm.DB) *gorm.DB {
				return db.Select("id,spu_no,title,title_eng,images,tags,retail_price,price_min,price_max").Unscoped()
			})
	}).Order("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].Mission.CreateBy != "" {
			uuids = append(uuids, res[i].Mission.CreateBy)
		}
		if res[i].Mission.HireType == 1 { // 1:固定佣金
			res[i].Mission.HireMoneyExpect = utils.FormatFloatToString(res[i].Mission.HireMoney)
		} else { // 2:比例抽成
			if res[i].Mission.Goods.PriceMin == res[i].Mission.Goods.PriceMax {
				res[i].Mission.HireMoneyExpect = utils.FormatFloatToString(res[i].Mission.Goods.PriceMin * (res[i].Mission.HireRatio / 100))
			} else {
				res[i].Mission.HireMoneyExpect = utils.FormatFloatToString(res[i].Mission.Goods.PriceMin*(res[i].Mission.HireRatio/100)) + "-" + utils.FormatFloatToString(res[i].Mission.Goods.PriceMax*(res[i].Mission.HireRatio/100))
			}
		}
		if res[i].Mission.ID != 0 {
			ids = append(ids, res[i].Mission.ID)
		}
	}
	if len(ids) != 0 {
		statusMap := getMissionCollectStatusMap(uuid, ids)
		for i := 0; i < len(res); i++ {
			res[i].Mission.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].Mission.CreateBy]; ok {
				res[i].Mission.Store = val
			}
		}
	}
	return err, res, total
}

func ClaimMission(uuid string, info request.ClaimMission) (err error, id uint) {
	var mission model.Mission
	if global.MG_DB.Model(&model.Mission{}).Where("id = ?", info.MissionId).First(&mission).Error != nil {
		return errors.New("抱歉，未找到任务信息"), 0
	}
	if mission.Status != 2 || mission.GoodsStatus != 1 {
		return errors.New("抱歉，当前任务不可领取"), 0
	}
	now := time.Now().UTC().Unix()
	if mission.StartTime.Unix() > now || mission.EndTime.Unix() < now {
		return errors.New("抱歉，不在任务领取时间内"), 0
	}
	var address model.Address
	if !errors.Is(global.MG_DB.Model(&model.MissionClaim{}).Where("create_by = ? AND mission_id = ?", uuid, info.MissionId).First(&model.MissionClaim{}).Error, gorm.ErrRecordNotFound) { // 判断email是否注册
		return errors.New("不可重复领取"), 0
	}
	if global.MG_DB.Model(&model.Address{}).Where("user_id = ? AND id = ?", uuid, info.AddressId).First(&address).Error != nil {
		return errors.New("抱歉，未找到地址信息"), 0
	}
	var (
		missionClaim           model.MissionClaim
		missionClaimOrder      model.MissionClaimOrder
		missionClaimOrderGoods model.MissionClaimOrderGoods
		missionClaimAddress    model.MissionClaimAddress
	)
	tx := global.MG_DB.Begin()
	missionClaim.MissionId = info.MissionId
	missionClaim.ClaimNo = utils.GetInvitationLowerLen(20)
	missionClaim.AchieveNum = 0
	missionClaim.CreateBy = uuid
	missionClaim.Status = 1
	err = tx.Model(&model.MissionClaim{}).Create(&missionClaim).Error
	if err != nil {
		tx.Rollback()
		return
	}
	// 任务领取人数+1
	err = tx.Model(&model.Mission{}).Where("id = ?", info.MissionId).UpdateColumn("claim_num", gorm.Expr("`claim_num` + 1")).Error
	if err != nil {
		tx.Rollback()
		return
	}
	// 创建任务订单
	var (
		goods     model.TbGoods
		goodsSpec model.TbGoodsSpecs
	)
	err = tx.Model(&model.TbGoods{}).Where("online = 'on' AND spu_no = ?", info.SpuNo).First(&goods).Error
	if err != nil {
		tx.Rollback()
		err = errors.New("未找到商品信息")
		return
	}
	err = tx.Model(&model.TbGoodsSpecs{}).Where("status = 1 AND goods_id = ? AND sku_no = ?", goods.ID, info.SkuNo).First(&goodsSpec).Error
	if err != nil {
		tx.Rollback()
		err = errors.New("未找到商品规格信息")
		return
	}
	missionClaimOrder.OrderID = Generate()
	missionClaimOrder.MissionClaimId = missionClaim.ID
	missionClaimOrder.SpuNo = info.SpuNo
	missionClaimOrder.SkuNo = info.SkuNo
	missionClaimOrder.Number = 1
	missionClaimOrder.CreateBy = uuid
	missionClaimOrder.Status = 2 // 待发货
	err = tx.Model(&model.MissionClaimOrder{}).Create(&missionClaimOrder).Error
	if err != nil {
		tx.Rollback()
		err = errors.New("创建任务订单失败")
		return
	}
	missionClaimOrderGoods.OrderID = missionClaimOrder.OrderID
	missionClaimOrderGoods.SkuNo = info.SkuNo
	missionClaimOrderGoods.Title = goods.Title
	missionClaimOrderGoods.Image = goodsSpec.Image
	missionClaimOrderGoods.Specs = goodsSpec.Specs
	missionClaimOrderGoods.Price = goodsSpec.Price
	err = tx.Model(&model.MissionClaimOrderGoods{}).Create(&missionClaimOrderGoods).Error
	if err != nil {
		tx.Rollback()
		err = errors.New("创建任务订单失败")
		return
	}
	// 创建任务收获地址
	missionClaimAddress.Address = address
	missionClaimAddress.ID = 0
	missionClaimAddress.AddressId = address.ID
	missionClaimAddress.MissionClaimId = missionClaim.ID
	missionClaimAddress.OrderID = missionClaimOrder.OrderID
	err = tx.Model(&model.MissionClaimAddress{}).Create(&missionClaimAddress).Error
	if err != nil {
		tx.Rollback()
		return
	}
	tx.Commit()
	id = missionClaim.ID
	return
}

func SubmitClaimMissionWorks(uuid string, info request.ClaimMissionWorksList) (err error) {
	err = global.MG_DB.Model(&model.MissionClaim{}).Where("create_by = ? AND id = ?", uuid, info.MissionClaimId).First(&model.MissionClaim{}).Error
	if err != nil {
		err = errors.New("not found mission claim record")
		return err
	}
	tx := global.MG_DB.Begin()
	for i := 0; i < len(info.Works); i++ {
		var works model.MissionClaimWorks
		works.Type = info.Works[i].Type
		works.Homepage = info.Works[i].Homepage
		works.Image = info.Works[i].Image
		if info.Works[i].ID != 0 {
			if info.Works[i].Homepage == "" {
				err = tx.Model(&model.MissionClaimWorks{}).Where("id = ?", info.Works[i].ID).Delete(&model.MissionClaimWorks{}).Error
				if err != nil {
					tx.Rollback()
					return err
				}
			} else {
				err = tx.Model(&model.MissionClaimWorks{}).Where("id = ?", info.Works[i].ID).Select("Type", "Homepage", "Image").Updates(&works).Error
				if err != nil {
					tx.Rollback()
					return err
				}
			}
		} else {
			works.MissionClaimId = info.MissionClaimId
			err = tx.Model(&model.MissionClaimWorks{}).Create(&works).Error
			if err != nil {
				tx.Rollback()
				return err
			}
		}
	}
	err = tx.Model(&model.MissionClaim{}).Where("id = ? AND status = 2", info.MissionClaimId).UpdateColumn("status", 3).Error
	if err != nil {
		tx.Rollback()
		return err
	}
	tx.Commit()
	return nil
}

func GetMissionBonus(req *request.MissionCode) interface{} {
	var bonus model.MissionBonus
	global.MG_DB.Model(&model.Bill{}).Select("sum(bill.price) total").Joins("inner join `order` b on bill.order_id=b.order_id and b.code=?", req.Code).Where("bill.status=2 and bill.type=1").Scan(&bonus)
	return bonus
}