package chat

import (
	"go_dreamfactory/comm"
	"go_dreamfactory/pb"
)

//参数校验
func (this *apiComp) GetListCheck(session comm.IUserSession, req *pb.ChatGetListReq) (code pb.ErrorCode) {
	if req.Channel == pb.ChatChannel_CrossServer && req.ChannelId == 0 {
		code = pb.ErrorCode_ReqParameterError
	}
	return
}

///获取本服聊天消息记录
func (this *apiComp) GetList(session comm.IUserSession, req *pb.ChatGetListReq) (code pb.ErrorCode, data *pb.ErrorData) {
	var (
		err    error
		result *pb.DBUserExpand
		list   []*pb.DBChat
	)

	if code = this.GetListCheck(session, req); code != pb.ErrorCode_Success {
		return
	}

	switch req.Channel {
	case pb.ChatChannel_World:
		if list, err = this.module.modelChat.getChatQueue(req.Channel, session.GetServiecTag(), "", 0); err != nil {
			code = pb.ErrorCode_DBError
			return
		}
		break
	case pb.ChatChannel_Union:
		if list, err = this.module.modelChat.getChatQueue(req.Channel, session.GetServiecTag(), req.UnionId, 0); err != nil {
			code = pb.ErrorCode_DBError
			return
		}
		break
	case pb.ChatChannel_Private:
		if list, err = this.module.modelChat.queryUserMsg(session.GetUserId()); err != nil {
			code = pb.ErrorCode_DBError
			return
		}
		break
	case pb.ChatChannel_CrossServer:
		if result, err = this.module.ModuleUser.GetUserExpand(session.GetUserId()); err != nil {
			this.module.Errorf("err:%v", err)
			code = pb.ErrorCode_DBError
			return
		}
		if req.ChannelId != result.Chatchannel {
			code = pb.ErrorCode_ReqParameterError
			return
		}
		if list, err = this.module.modelChat.getChatQueue(req.Channel, session.GetServiecTag(), "", req.ChannelId); err != nil {
			code = pb.ErrorCode_DBError
			return
		}
		break
	case pb.ChatChannel_System:
		if list, err = this.module.modelChat.getChatQueue(req.Channel, session.GetServiecTag(), "", 0); err != nil {
			code = pb.ErrorCode_DBError
			return
		}
		break
	default:
		code = pb.ErrorCode_ReqParameterError
		this.module.Errorf("getlist no support channel:%d ", req.Channel)
		return
	}
	session.SendMsg(string(this.module.GetType()), "getlist", &pb.ChatGetListResp{Chats: list})
	return
}