package friend

import (
	"go_dreamfactory/comm"
	"go_dreamfactory/pb"
	"go_dreamfactory/utils"

	"google.golang.org/protobuf/proto"
)

func (this *apiComp) RefuseCheck(session comm.IUserSession, req *pb.FriendRefuseReq) (code pb.ErrorCode) {
	if len(req.FriendIds) == 0 {
		code = pb.ErrorCode_ReqParameterError
	}

	return
}

//单个/批量拒绝
func (this *apiComp) Refuse(session comm.IUserSession, req *pb.FriendRefuseReq) (code pb.ErrorCode, data proto.Message) {
	if code = this.RefuseCheck(session, req); code != pb.ErrorCode_Success {
		return
	}
	//将申请人从申请列表中删除
	var (
		self   *pb.DBFriend
		Resp   *pb.FriendRefuseResp
		optNum int32
	)
	defer func() {
		Resp = &pb.FriendRefuseResp{
			Num: optNum,
		}

		err := session.SendMsg(string(this.moduleFriend.GetType()), FriendSubTypeRefuse, Resp)
		if err != nil {
			code = pb.ErrorCode_SystemError
			return
		}
	}()

	//获取玩家自己好友数据
	self = this.moduleFriend.modelFriend.GetFriend(session.GetUserId())
	if self == nil {
		code = pb.ErrorCode_FriendSelfNoData
		return
	}

	//拒绝的Ids
	refuseIds := []string{}
	for _, friendId := range req.FriendIds {
		if _, ok := utils.Find(self.ApplyIds, friendId); ok {
			refuseIds = append(refuseIds, friendId)
		}
	}

	//将申请人从申请列表中删除
	for _, userId := range refuseIds {
		self.ApplyIds = utils.DeleteString(self.ApplyIds, userId)
		optNum++
	}
	//更新
	if optNum > 0 {
		err := this.moduleFriend.modelFriend.Change(self.Uid, map[string]interface{}{
			"applyIds": self.ApplyIds,
		})
		if err != nil {
			code = pb.ErrorCode_DBError
			return
		}
	}

	return
}