package friend

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

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

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

//加入黑名单
func (this *apiComp) Addblack(session comm.IUserSession, req *pb.FriendAddBlackReq) (code pb.ErrorCode, data proto.Message) {
	if code = this.AddblackCheck(session, req); code != pb.ErrorCode_Success {
		return
	}

	globalCnf := this.moduleFriend.configure.GetGlobalConf()
	if globalCnf == nil {
		code = pb.ErrorCode_ConfigNoFound
		return
	}

	var (
		err    error
		self   *pb.DBFriend
		target *pb.DBFriend
		Resp   *pb.FriendAddBlackResp
	)

	defer func() {
		Resp = &pb.FriendAddBlackResp{
			FriendId: req.FriendId,
			UserId:   session.GetUserId(),
		}
		if err = session.SendMsg(string(this.moduleFriend.GetType()), FriendSubTypeAddBlack, Resp); err != nil {
			code = pb.ErrorCode_SystemError
			return
		}
	}()

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

	target = this.moduleFriend.modelFriend.GetFriend(req.FriendId)
	if target == nil {
		code = pb.ErrorCode_FriendTargetNoData
		return
	}

	//判断目标是否在好友列表里面
	// if _, ok := utils.Find(self.FriendIds, req.FriendId); ok {
	// 	code = pb.ErrorCode_FriendYet
	// 	return
	// }

	//判断目标是否已经在黑名单中
	if _, ok := utils.Find(self.BlackIds, req.FriendId); ok {
		code = pb.ErrorCode_FriendSelfBlackYet
		return
	}

	// 判断自己是否在对方的黑名单中
	if _, ok := utils.Find(target.BlackIds, self.Uid); ok {
		code = pb.ErrorCode_FriendTargetBlackYet
		return
	}

	// 判断是否黑名单人数已满
	if len(self.BlackIds) >= int(globalCnf.FriendBlack) {
		code = pb.ErrorCode_FriendBlackMax
		return
	}

	//将目标加入黑名单
	self.BlackIds = append(self.BlackIds, req.FriendId)

	// 将目标从好友列表中移除
	friendIds := utils.DeleteString(self.FriendIds, req.FriendId)

	//更新
	err = this.moduleFriend.modelFriend.Change(self.Uid, map[string]interface{}{
		"blackIds":  self.BlackIds,
		"friendIds": friendIds,
	})
	if err != nil {
		code = pb.ErrorCode_DBError
		return
	}

	return
}