/*
Plugin of Miranda IM for communicating with users of the MSN Messenger protocol.

Copyright (c) 2012-2019 Miranda NG team
Copyright (c) 2006-2012 Boris Krasnovskiy.
Copyright (c) 2003-2005 George Hazan.
Copyright (c) 2002-2003 Richard Hughes (original version).

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "stdafx.h"
#include "msn_proto.h"

int CMsnProto::MSN_HandleErrors(ThreadData* info, char* cmdString)
{
	int errorCode, packetID = -1;
	sscanf(cmdString, "%d %d", &errorCode, &packetID);

	char* params = "";
	int trid = -1;

	if (cmdString[3]) {
		if (isdigit((BYTE)cmdString[4])) {
			trid = strtol(cmdString + 4, &params, 10);
			switch (*params) {
			case ' ':	case '\0':	case '\t':	case '\n':
				while (*params == ' ' || *params == '\t')
					params++;
				break;

			default:
				params = cmdString + 4;
			}
		}
		else params = cmdString + 4;
	}

	union {
		char* tWords[2];
		struct { char *typeId, *strMsgBytes; } data;
	};

	if (sttDivideWords(params, _countof(tWords), tWords) < 2) {
		debugLogA("Invalid %.3s command, ignoring", cmdString);
		return 0;
	}

	HReadBuffer buf(info, 0);
	buf.surelyRead(atol(data.strMsgBytes));
	debugLogA("Server error:%s", cmdString);

	switch (errorCode) {
	case ERR_INTERNAL_SERVER:
		MSN_ShowError("MSN Services are temporarily unavailable, please try to connect later");
		ProtoBroadcastAck(NULL, ACKTYPE_LOGIN, ACKRESULT_FAILED, nullptr, LOGINERR_NOSERVER);
		return 1;

	case ERR_SERVER_BUSY:
	case ERR_SERVER_UNAVAILABLE:
	case ERR_TIMEDOUT:
		MSN_ShowError("MSN Services are too busy, please try to connect later");
		ProtoBroadcastAck(NULL, ACKTYPE_LOGIN, ACKRESULT_FAILED, nullptr, LOGINERR_NOSERVER);
		return 1;

	case ERR_NOT_ALLOWED_WHEN_OFFLINE:
		MSN_ShowError("MSN protocol does not allow you to communicate with others when you are invisible");
		return 0;

	case ERR_LIST_FULL:
		MSN_ShowError("MSN plugin cannot add a new contact because the contact list is full");
		return 0;

	case ERR_ALREADY_THERE:
		MSN_ShowError("User is already in your contact list");
		return 0;

	case ERR_DETAILED_ERR_IN_PAYLOAD:
	case ERR_LIST_UNAVAILABLE:
	case ERR_INVALID_USER:
		char* tErrWords[4];
		if (sttDivideWords(cmdString, _countof(tErrWords), tErrWords) == _countof(tErrWords))
			HReadBuffer(info, 0).surelyRead(atol(tErrWords[3]));
		return 0;

	case ERR_NOT_ONLINE:
		if (info->mInitialContactWLID)
			ProtoBroadcastAck(MSN_HContactFromEmail(info->mInitialContactWLID), ACKTYPE_MESSAGE, ACKRESULT_FAILED, (HANDLE)999999, (LPARAM)TranslateT("User not online"));
		else
			MSN_ShowError("User not online");

		return 1;

	case ERR_NOT_EXPECTED:
		MSN_ShowError("Your MSN account e-mail is unverified. Goto http://www.passport.com and verify the primary e-mail first");
		return 0;

	case ERR_AUTHENTICATION_FAILED:
		MSN_ShowError("Your username or password is incorrect");
		ProtoBroadcastAck(NULL, ACKTYPE_LOGIN, ACKRESULT_FAILED, nullptr, LOGINERR_WRONGPASSWORD);
		return 1;

	case 999:
		MSN_ShowError("Unknown error (999) occured, logging off");
		return 1;

	default:
		debugLogA("Unprocessed error: %s", cmdString);
		if (errorCode >= 500) //all these errors look fatal-ish
			MSN_ShowError("Unrecognised error %d. The server has closed our connection", errorCode);

		break;
	}
	return 0;
}