package service

import (
	"joybuywork/internal/repository/cache"
	"joybuywork/internal/repository/model"
	"joybuywork/internal/repository/mtype"
	"joybuywork/internal/repository/withdefault"
	containers "joybuywork/internal/service/containers/mall"
	"joybuywork/internal/service/provider/malls"
	"joybuywork/internal/utils/logic"
	pb "joybuywork/proto/go_proto/w_mall"

	"gorm.io/gen/field"
)

type WMall struct {
	Service
}

// List 商城列表
func (s *WMall) List(req *pb.ListReq, res *pb.ListRes) (err error) {
	defer s.checkErr()
	*res = pb.ListRes{}
	container := new(containers.List)
	{
		container.Init(s.ctx)
		container.Req = req
		container.Res = res
	}

	return container.Run()
}

// Store 商城创建
func (s *WMall) Store(req *pb.StoreReq, res *pb.StoreRes) (err error) {
	defer s.checkErr()

	project, err := s.ProjectErrNil(req.GetProjectHashId())
	if err != nil {
		return
	}

	mall := withdefault.RedeemMall(&model.RedeemMall{
		ProjectID: project.ID,
		Title:     req.GetTitle(),
	})

	if err = s.GetDao().RedeemMall.WithContext(s.ctx).Create(mall); err != nil {
		err = s.BE().MysqlError(err)
		return
	}

	*res = pb.StoreRes{
		Id: mall.ID,
	}

	return
}

// Update 商城更新
func (s *WMall) Update(req *pb.UpdateReq, res *pb.UpdateRes) (err error) {
	defer s.checkErr()
	mall, err := cache.NewRedeemMall(s.ctx).FindById(req.GetId())
	if err != nil {
		err = s.BE().CacheError(err)
		return
	}

	if mall == nil {
		return
	}

	m := s.GetDao().RedeemMall
	var up []field.AssignExpr
	if req.GetTitle() != mall.Title {
		up = append(up, m.Title.Value(req.GetTitle()))
	}

	if len(up) > 0 {
		_, err = m.WithContext(s.ctx).Where(m.ID.Eq(mall.ID)).UpdateSimple(up...)
		if err != nil {
			err = s.BE().MysqlError(err)
			return
		}

		_ = cache.NewRedeemMall(s.ctx).Clear(mall)
	}

	*res = pb.UpdateRes{
		Id: mall.ID,
	}

	return
}

// Destroy 商城删除
func (s *WMall) Destroy(req *pb.DestroyReq, res *pb.DestroyRes) (err error) {
	defer s.checkErr()
	mall, err := cache.NewRedeemMall(s.ctx).FindById(req.GetId())
	if err != nil {
		err = s.BE().CacheError(err)
		return
	}

	if mall == nil || mall.IsDel == mtype.Yes {
		return
	}

	relateM := s.GetDao().RedeemMallRelate
	count, err := relateM.WithContext(s.ctx).Where(relateM.MallID.Eq(mall.ID), relateM.CancelTime.Eq(mtype.No)).Count()
	if err != nil {
		err = s.BE().MysqlError(err)
		return
	}

	if count > 0 {
		err = s.BE().VerifyError("mall used")
		return
	}

	m := s.GetDao().RedeemMall
	_, err = m.WithContext(s.ctx).Where(m.ID.Eq(mall.ID)).UpdateSimple(m.IsDel.Value(mtype.Yes))
	if err != nil {
		err = s.BE().MysqlError(err)
		return
	}

	*res = pb.DestroyRes{}

	return
}

// ItemList 商城奖品列表
func (s *WMall) ItemList(req *pb.ItemListReq, res *pb.ItemListRes) (err error) {
	defer s.checkErr()
	*res = pb.ItemListRes{}
	container := new(containers.ItemList)
	{
		container.Init(s.ctx)
		container.Req = req
		container.Res = res
	}

	return container.Run()
}

// ItemStore 商城奖品创建
func (s *WMall) ItemStore(req *pb.ItemStoreReq, res *pb.ItemStoreRes) (err error) {
	defer s.checkErr()

	container := new(containers.ItemStore)
	{
		container.Init(s.ctx, logic.WithTran())
		container.Req = req
		container.Res = res
	}

	return container.Run()
}

// ItemUpdate 商城奖品更新
func (s *WMall) ItemUpdate(req *pb.ItemUpdateReq, res *pb.ItemUpdateRes) (err error) {
	defer s.checkErr()
	*res = pb.ItemUpdateRes{}
	container := new(containers.ItemUpdate)
	{
		container.Init(s.ctx, logic.WithTran())
		container.Req = req
		container.Res = res
	}

	return container.Run()
}

// ItemStatus 商城奖品状态修改
func (s *WMall) ItemStatus(req *pb.ItemStatusReq, res *pb.ItemStatusRes) (err error) {
	defer s.checkErr()
	*res = pb.ItemStatusRes{}
	container := new(containers.ItemStatus)
	{
		container.Init(s.ctx, logic.WithTran())
		container.Req = req
		container.Res = res
	}

	return container.Run()
}

// ItemSort 商城奖品排序
func (s *WMall) ItemSort(req *pb.ItemSortReq, res *pb.ItemSortRes) (err error) {
	defer s.checkErr()

	m := s.GetDao().RedeemMallItem

	l := len(req.GetIds())
	for i, id := range req.GetIds() {
		_, err = m.WithContext(s.ctx).Where(m.ID.Eq(id)).UpdateSimple(m.Sort.Value(int32(l - i)))
		if err != nil {
			err = s.BE().MysqlError(err)
			return
		}
	}

	*res = pb.ItemSortRes{}

	return
}

// Select 商城选择
func (s *WMall) Select(req *pb.SelectReq, res *pb.SelectRes) (err error) {
	defer s.checkErr()
	project, err := s.ProjectErrNil(req.GetProjectHashId())
	if err != nil {
		return
	}

	m := s.GetDao().RedeemMall
	list, err := m.WithContext(s.ctx).Select(m.ID, m.Title).Where(m.ProjectID.Eq(project.ID), m.IsDel.Eq(mtype.No)).Order(m.ID.Desc()).Find()
	if err != nil {
		err = s.BE().MysqlError(err)
		return
	}

	*res = pb.SelectRes{
		List: make([]*pb.SelectRes_One, 0, len(list)),
	}

	for _, v := range list {
		res.List = append(res.List, &pb.SelectRes_One{
			Id:    v.ID,
			Title: v.Title,
		})
	}

	return
}

// RelateMall 关联商城
func (s *WMall) RelateMall(req *pb.RelateMallReq, res *pb.RelateMallRes) (err error) {
	defer s.checkErr()
	relate, err := malls.NewRelate(s.ctx, req.GetRelateId(), req.GetRelateTable())
	if err != nil {
		return
	}

	err = relate.Related(int8(req.GetSource()), req.GetMallIds()...)
	if err != nil {
		return
	}

	*res = pb.RelateMallRes{}
	return
}

// UserItemList 用户商城奖品列表
func (s *WMall) UserItemList(req *pb.UserItemListReq, res *pb.UserItemListRes) (err error) {
	defer s.checkErr()

	*res = pb.UserItemListRes{}
	container := new(containers.UserItemList)
	{
		container.Init(s.ctx)
		container.Req = req
		container.Res = res
	}

	return container.Run()
}

// ExchangeItem 商城奖品兑换
func (s *WMall) ExchangeItem(req *pb.ExchangeItemReq, res *pb.ExchangeItemRes) (err error) {
	defer s.checkErr()
	*res = pb.ExchangeItemRes{}
	container := new(containers.ExchangeItem)
	{
		container.Init(s.ctx, logic.WithTran())
		container.Req = req
		container.Res = res
	}

	return container.Run()
}