package friend

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

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

func (this *apiComp) DelblackCheck(session comm.IUserSession, req *pb.FriendDelBlackReq) (code pb.ErrorCode) {
	if req.FriendId == "" {
		code = pb.ErrorCode_ReqParameterError
	}
	return
}

//删除黑名单
func (this *apiComp) Delblack(session comm.IUserSession, req *pb.FriendDelBlackReq) (code pb.ErrorCode, data proto.Message) {
	if code = this.DelblackCheck(session, req); code != pb.ErrorCode_Success {
		return
	}
	var (
		err  error
		self *pb.DBFriend
		Resp *pb.FriendDelBlackResp
	)
	defer func() {
		if code == pb.ErrorCode_Success {
			Resp = &pb.FriendDelBlackResp{
				FriendId: req.FriendId,
				UserId:   session.GetUserId(),
			}
		}
		err := session.SendMsg(string(this.moduleFriend.GetType()), FriendSubTypeDelBlack, Resp)
		if err != nil {
			code = pb.ErrorCode_SystemError
			return
		}
	}()

	self = this.moduleFriend.modelFriend.GetFriend(session.GetUserId())
	if self == nil {
		code = pb.ErrorCode_FriendSelfNoData
		return
	}

	//从黑名单列表中删除目标
	self.BlackIds = utils.DeleteString(self.BlackIds, req.FriendId)
	//更新黑名单
	err = this.moduleFriend.modelFriend.Change(self.Uid, map[string]interface{}{
		"blackIds": self.BlackIds,
	})
	if err != nil {
		code = pb.ErrorCode_DBError
		return
	}

	return
}