package campaign

import (
	"joybuywork/internal/app"
	"joybuywork/internal/consts"
	"joybuywork/internal/repository/cache"
	"joybuywork/internal/repository/dbcheck"
	"joybuywork/internal/repository/finder"
	"joybuywork/internal/repository/model"
	"joybuywork/internal/repository/mtype"
	"joybuywork/internal/repository/withdefault"
	"joybuywork/internal/utils"
	"joybuywork/internal/utils/blink"
	"joybuywork/internal/utils/logic"
	pb "joybuywork/proto/go_proto/w_campaign"
	"joybuywork/proto/go_proto/workerr"
	"fmt"
	"strings"
	"time"

	dlinkpb "gits.branchcn.com/backend/deeplink/proto/go_proto/dlink"
	linkpb "gits.branchcn.com/backend/shortlink/proto/go_proto/link"
)

type ChannelCreate struct {
	logic.Logic
	Req *pb.ChannelCreateReq
	Res *pb.ChannelCreateRes
}

func (s *ChannelCreate) Run() error {
	return logic.Run(s)
}

func (s *ChannelCreate) Exec() (err error) {
	cpn, project, err := s.campaign()
	if err != nil {
		return
	}

	defer s.afterDone(cpn)

	if s.Req.GetCType() == mtype.FissionCampaignChannelTypeApp {
		return s.createApp(cpn, project)
	}

	return s.createWeb(cpn, project)
}

func (s *ChannelCreate) campaign() (cpn *model.FissionCampaign, project *model.Project, err error) {
	cpn, err = finder.Campaign(s.Ctx, s.Req.GetCampaignId(), s.Req.GetCampaignHashId())
	if err != nil {
		err = s.BE().CacheError(err)
		return
	}

	if cpn == nil || cpn.IsDel == mtype.Yes {
		err = s.BE().VerifyError("not found campaign")
		return
	}

	project, err = finder.Project(s.Ctx, cpn.ProjectID)
	if err != nil {
		err = s.BE().CacheError(err)
		return
	}

	if project == nil || project.IsDel == mtype.Yes {
		err = s.BE().VerifyError("not found project")
		return
	}

	if s.Req.GetCType() == mtype.FissionCampaignChannelTypeWeb {
		if project.Scene == mtype.ProjectSceneWeb { // web项目不允许创建站外渠道
			err = s.BE().VerifyError("web project not allow")
			return
		}
		if cpn.Target == mtype.FissionCampaignConfigTargetAdsGame { // 广告项目不允许创建站外
			err = s.BE().VerifyError("ads campaign not allow")
			return
		}
	}

	return
}

func (s *ChannelCreate) _mark(cpnId int64) (mark string, err error) {
	m := s.GetDao().FissionCampaignChannel
	list, err := m.WithContext(s.Ctx).Where(m.CampaignID.Eq(cpnId)).Find()
	if err != nil {
		err = s.BE().MysqlError(err)
		return
	}

	var titleMap = make(map[string]struct{})
	var markMap = make(map[string]struct{}, len(list))
	for _, v := range list {
		markMap[strings.ToLower(v.Mark)] = struct{}{}
		if v.IsDel == mtype.No {
			titleMap[fmt.Sprintf("%s_%d", v.Title, v.CType)] = struct{}{}
		}
	}

	for i := 0; i < 100; i++ {
		mark = utils.GetRandEnStr(consts.ChannelMarkLen)
		if _, ok := markMap[strings.ToLower(mark)]; !ok {
			break
		}
		mark = ""
	}

	if mark == "" {
		err = workerr.BusyError
		return
	}

	if _, ok := titleMap[fmt.Sprintf("%s_%d", s.Req.GetTitle(), s.Req.GetCType())]; ok {
		err = workerr.CChanelExistError
		return
	}

	return
}

func (s *ChannelCreate) createApp(cpn *model.FissionCampaign, project *model.Project) (err error) {
	mark, err := s._mark(cpn.ID)
	if err != nil {
		return
	}

	m := s.GetDao().FissionCampaignChannel
	cl := withdefault.FissionCampaignChannel(&model.FissionCampaignChannel{
		CampaignID: cpn.ID,
		Mark:       mark,
		Title:      s.Req.GetTitle(),
		CType:      mtype.FissionCampaignChannelTypeApp,
	})

	if err = m.WithContext(s.Ctx).Create(cl); err != nil {
		return s.BE().MysqlError(err)
	}

	var url string
	switch cpn.Target {
	case mtype.FissionCampaignConfigTargetAdsGame:
		url = blink.NewAdsLink(project.Domain, cpn.HashID, cl.Mark).CampaignShareLink()
	default:
		url = blink.NewCampaignLink(project.Domain, cpn.HashID, cl.Mark).CampaignShareLink()
	}

	s.Res.Id = cl.ID
	s.Res.Url = url

	return
}

func (s *ChannelCreate) createWeb(cpn *model.FissionCampaign, project *model.Project) (err error) {
	mark, err := s._mark(cpn.ID)
	if err != nil {
		return
	}

	code, err := s._linkCode(cpn, project, mark)
	if err != nil {
		return
	}

	shortLink, err := s._shortLink(cpn, project, mark)

	m := s.GetDao().FissionCampaignChannel
	cl := withdefault.FissionCampaignChannel(&model.FissionCampaignChannel{
		CampaignID: cpn.ID,
		Mark:       mark,
		Title:      s.Req.GetTitle(),
		CType:      mtype.FissionCampaignChannelTypeWeb,
		Code:       code,
		ShortLink:  shortLink,
	})

	if err = m.WithContext(s.Ctx).Create(cl); err != nil {
		return s.BE().MysqlError(err)
	}

	s.Res.Id = cl.ID
	s.Res.Url = blink.NewCampaignLink(project.Domain, cpn.HashID, cl.Mark).CampaignWebLink()

	return
}

func (s *ChannelCreate) _shortLink(cpn *model.FissionCampaign, project *model.Project, mark string) (link string, err error) {
	res, err := app.NewShortLinkNameLink().CreateShortLink(s.Ctx, &linkpb.CreateShortLinkReq{
		LongLink: blink.NewCampaignLink(project.Domain, cpn.HashID, mark).CampaignWebLink(),
		Domain:   project.Domain,
	})
	if err != nil {
		return
	}
	return res.GetShortLink(), nil
}

func (s *ChannelCreate) _linkCode(cpn *model.FissionCampaign, project *model.Project, mark string) (code string, err error) {
	m := s.GetDao().FissionCampaignChannel
	dfc, err := m.WithContext(s.Ctx).Where(
		m.CampaignID.Eq(cpn.ID),
		m.CType.Eq(mtype.FissionCampaignChannelTypeApp),
		m.IsDefault.Eq(mtype.Yes),
	).Take()
	if err = dbcheck.DbError(err); err != nil {
		err = s.BE().MysqlError(err)
		return
	}

	if dfc == nil {
		err = s.BE().VerifyError("not found default channel")
		return
	}

	lk, err := app.NewDeepLinkLink().GetCampaignLinkShortInfo(s.Ctx, &dlinkpb.GetCampaignLinkShortInfoReq{
		ProjectId:  project.ID,
		CampaignId: cpn.ID,
	})

	if err != nil {
		return
	}

	codeInfo, err := app.NewDeepLinkLink().CreateCampaignLinkCode(s.Ctx, &dlinkpb.CreateCampaignLinkCodeReq{
		ProjectId:   project.ID,
		LinkId:      lk.GetLinkId(),
		Channel:     mark,
		RedirectUrl: blink.NewCampaignLink(project.Domain, cpn.HashID, dfc.Mark, blink.SetCwMark(mark)).CampaignCodeLink(),
	})

	if err != nil {
		return
	}

	return codeInfo.GetCode(), nil
}

func (s *ChannelCreate) afterDone(cpn *model.FissionCampaign) {
	m := s.GetDao().FissionCampaign
	m.WithContext(s.Ctx).Where(m.ID.Eq(cpn.ID)).UpdateSimple(m.UpdatedAt.Value(time.Now().Unix()))
	_ = cache.NewCampaign(s.Ctx).Clear(cpn)
}