package handler

import (
	"encoding/json"
	"fmt"
	"server/call"
	"server/common"
	"server/db"
	"server/modules/backend/app"
	"server/modules/backend/values"
	"server/natsClient"
	"server/pb"
	"server/util"
	"time"

	"github.com/gin-gonic/gin"
	"github.com/liangdas/mqant/log"
	"github.com/olivere/elastic/v7"
)

func DraftList(c *gin.Context) {
	a := app.NewApp(c)
	defer func() {
		a.Response()
	}()
	req := new(values.MailDraftListReq)
	if !a.S(req) {
		return
	}
	var list []common.MailDraft
	var count int64
	var err error
	if req.Title == nil && req.StartSendTime == nil && req.EndSendTime == nil {
		count, err = db.ES().QueryMailDraftList(int(req.Page), int(req.Num), &list)
	} else {
		q := elastic.NewBoolQuery()
		if req.Title != nil {
			log.Debug("title:%v", *req.Title)
			q.Filter(elastic.NewFuzzyQuery("Title.keyword", *req.Title))
		}
		if req.StartSendTime != nil {
			q.Filter(elastic.NewRangeQuery("SendTime").Gte(*req.StartSendTime))
		}
		if req.EndSendTime != nil {
			q.Filter(elastic.NewRangeQuery("SendTime").Lte(*req.EndSendTime))
		}
		count, err = db.ES().SearchMailDraftList(int(req.Page), int(req.Num), q, &list)
	}
	if err != nil {
		log.Error("err:%v", err)
		a.Code = values.CodeRetry
		return
	}
	resp := values.MailDraftListResp{List: list, Count: int(count)}
	a.Data = resp
}

func DraftCreate(c *gin.Context) {
	a := app.NewApp(c)
	defer func() {
		a.Response()
	}()
	req := new(values.MailDraftCreateReq)
	if !a.S(req) {
		return
	}
	if req.SendMethod == common.MailSendMethodTiming {
		if req.SendTime < time.Now().Unix() {
			a.Code = values.CodeParam
			a.Msg = "发送时间有误"
			return
		}
	} else {
		req.SendTime = time.Now().Unix()
	}
	save := new(common.MailDraft)
	save.Sender = req.Sender
	save.Receiver = req.Receiver
	save.Type = req.Type
	save.Title = req.Title
	save.Content = req.Content
	if len(req.Enclosure) > 0 {
		save.Enclosure = req.Enclosure[0]
	}
	save.SendMethod = req.SendMethod
	save.SendTime = req.SendTime
	save.Status = common.MailDraftStatusNew
	save.Time = time.Now().Unix()
	save.Operator = a.User.Account
	save.UserTag = req.UserTag
	save.MaxBirthAt = req.MaxBirthAt
	save.RechargeAmount = req.RechargeAmount
	save.ChannelId = req.ChannelId
	save.URL = req.URL
	save.Tag = req.Tag
	if err := db.ES().InsertToES(common.ESIndexBackMailDraft, save); err != nil {
		log.Error("err:%v", err)
		a.Code = values.CodeRetry
		return
	}
	a.RecordEdit(values.PowerMail, fmt.Sprintf("创建邮件:%v", req.Title))
}

func DraftEdit(c *gin.Context) {
	a := app.NewApp(c)
	defer func() {
		a.Response()
	}()
	req := new(values.MailDraftEditReq)
	if !a.S(req) {
		return
	}
	one := new(common.MailDraft)
	if err := db.ES().QueryOne(common.ESIndexBackMailDraft, elastic.NewTermQuery("_id", req.ID), one); err != nil {
		log.Error("err:%v", err)
		a.Code = values.CodeRetry
		return
	}
	if req.ID == "" {
		a.Code = values.CodeParam
		a.Msg = "草稿不存在"
		return
	}
	update := false
	if req.Sender != nil {
		update = true
		one.Sender = *req.Sender
	}
	if req.Receiver != nil {
		update = true
		one.Receiver = *req.Receiver
	}
	if req.Type != nil {
		update = true
		one.Type = *req.Type
	}
	if req.Title != nil {
		update = true
		one.Title = *req.Title
	}
	if req.Content != nil {
		update = true
		one.Content = *req.Content
	}
	if req.Enclosure != nil {
		update = true
		one.Enclosure = req.Enclosure[0]
	}
	if req.SendMethod != nil {
		update = true
		one.SendMethod = *req.SendMethod
		if one.SendMethod == common.MailSendMethodTiming {
			if req.SendTime == nil || *req.SendTime < time.Now().Unix() {
				a.Code = values.CodeParam
				a.Msg = "发送时间有误"
				return
			}
			one.SendTime = *req.SendTime
		} else {
			one.SendTime = time.Now().Unix()
		}
	}
	if req.UserTag != nil {
		update = true
		one.UserTag = *req.UserTag
	}
	if req.MaxBirthAt != nil {
		update = true
		one.MaxBirthAt = *req.MaxBirthAt
	}
	if req.RechargeAmount != nil {
		update = true
		one.RechargeAmount = *req.RechargeAmount
	}
	if req.ChannelId != nil {
		update = true
		one.ChannelId = *req.ChannelId
	}
	if req.URL != nil {
		update = true
		one.URL = *req.URL
	}
	if req.Tag != nil {
		update = true
		one.Tag = *req.Tag
	}
	if !update {
		a.Code = values.CodeParam
		a.Msg = "无内容修改"
		return
	}
	one.Operator = a.User.Account
	one.Time = time.Now().Unix()
	if _, err := db.ES().Update(common.ESIndexBackMailDraft, req.ID, one); err != nil {
		log.Error("err:%v", err)
		a.Code = values.CodeRetry
		return
	}
	a.RecordEdit(values.PowerMail, fmt.Sprintf("修改邮件:%v", req.ID))
}

func DraftOpt(c *gin.Context) {
	a := app.NewApp(c)
	defer func() {
		a.Response()
	}()
	req := new(values.MailDraftOptReq)
	if !a.S(req) {
		return
	}
	one := new(common.MailDraft)
	if err := db.ES().QueryOne(common.ESIndexBackMailDraft, elastic.NewTermQuery("_id", req.ID), one); err != nil {
		log.Error("err:%v", err)
		a.Code = values.CodeRetry
		return
	}
	if one.ID == "" {
		a.Code = values.CodeParam
		a.Msg = "草稿不存在"
		return
	}
	updateStatus := common.MailDraftStatusDelete
	switch req.Opt {
	case 1:
		if one.Status == common.MailStatusDelete {
			a.Code = values.CodeParam
			a.Msg = "该草稿已删除"
			return
		}
		updateStatus = common.MailDraftStatusDelete
	case 2:
		if one.Status == common.MailDraftStatusBack {
			a.Code = values.CodeParam
			a.Msg = "该草稿已撤回"
			return
		}
		updateStatus = common.MailDraftStatusBack
		if err := db.Mysql().Update(&common.Mail{DraftID: one.ID}, map[string]interface{}{"status": common.MailStatusDelete}); err != nil {
			log.Error("err:%v", err)
			a.Code = values.CodeRetry
			return
		}
	case 3:
		if one.Status == common.MailDraftStatusSent {
			a.Code = values.CodeParam
			a.Msg = "该草稿已发送"
			return
		}
		updateStatus = common.MailDraftStatusSent
		enclosure := ""
		if one.Enclosure != nil {
			e, _ := json.Marshal(one.Enclosure)
			enclosure = string(e)
		}
		if len(one.Receiver) > 0 {
			for _, v := range one.Receiver {
				mail := new(common.Mail)
				mail.DraftID = one.ID
				mail.Sender = one.Sender
				mail.Receiver = v
				mail.Type = one.Type
				mail.Title = one.Title
				mail.Content = one.Content
				mail.Enc = enclosure
				mail.SendMethod = one.SendMethod
				mail.Status = common.MailStatusNew
				mail.URL = one.URL
				mail.Tag = one.Tag
				if one.SendMethod == common.MailSendMethodTiming {
					mail.Time = one.SendTime
				} else if one.SendMethod == common.MailSendMethodImmediately {
					mail.Time = time.Now().Unix()
				}
				// util.Go(func() {
				if err := db.Mysql().Create(mail); err != nil {
					log.Error("err:%v", err)
					a.Code = values.CodeRetry
					return
				}
				// })
			}
		} else {
			mail := new(common.Mail)
			mail.DraftID = one.ID
			mail.Sender = one.Sender
			mail.Receiver = 0
			mail.Type = one.Type
			mail.Title = one.Title
			mail.Content = one.Content
			mail.Enc = enclosure
			mail.SendMethod = one.SendMethod
			mail.Status = common.MailStatusNew
			mail.MaxBirthAt = one.MaxBirthAt
			mail.UserTag = one.UserTag
			mail.MaxBirthAt = one.MaxBirthAt
			mail.RechargeAmount = one.RechargeAmount
			mail.ChannelId = one.ChannelId
			mail.URL = one.URL
			mail.Tag = one.Tag
			if one.SendMethod == common.MailSendMethodTiming {
				mail.Time = one.SendTime
			} else if one.SendMethod == common.MailSendMethodImmediately {
				mail.Time = time.Now().Unix()
			}
			if err := db.Mysql().Create(mail); err != nil {
				log.Error("err:%v", err)
				a.Code = values.CodeRetry
				return
			}
		}
		if one.SendMethod == common.MailSendMethodImmediately {
			// 如果是立即发送，需要通知在线玩家刷新邮件
			err := call.Publish(natsClient.TopicBackRefreshMail, &pb.InnerRefreshMail{UIDs: util.SliceInt2Int32(one.Receiver)})
			if err != nil {
				log.Error(err.Error())
			}
		}
	}
	one.Status = updateStatus
	one.Operator = a.User.Account
	one.Time = time.Now().Unix()
	if _, err := db.ES().Update(common.ESIndexBackMailDraft, req.ID, one); err != nil {
		log.Error("err:%v", err)
		a.Code = values.CodeRetry
		return
	}
	a.RecordEdit(values.PowerMail, fmt.Sprintf("操作邮件:%v,操作码:%v", req.ID, req.Opt))
}