#include "skype_proto.h"

CSkypeProto::CSkypeProto(const char* protoName, const TCHAR* userName) : fileTransferList(1)
{
	ProtoConstructor(this, protoName, userName);

	//this->fileTransferList = new LIST<FileTransfer>(1);

	//this->login = NULL;
	//this->password = NULL;
	this->rememberPassword = false;

	this->signin_lock = CreateMutex(0, false, 0);
	this->SetAllContactStatus(ID_STATUS_OFFLINE);

	this->CreateService(PS_CREATEACCMGRUI, &CSkypeProto::OnAccountManagerInit);
	// Chat API
	this->CreateService(PS_JOINCHAT, &CSkypeProto::OnJoinChat);
	this->CreateService(PS_LEAVECHAT, &CSkypeProto::OnLeaveChat);
	// Avatar API
	this->CreateService(PS_GETAVATARINFOT, &CSkypeProto::GetAvatarInfo);
	this->CreateService(PS_GETAVATARCAPS, &CSkypeProto::GetAvatarCaps);
	this->CreateService(PS_GETMYAVATART, &CSkypeProto::GetMyAvatar);
	this->CreateService(PS_SETMYAVATART, &CSkypeProto::SetMyAvatar);
}

CSkypeProto::~CSkypeProto()
{
	::CloseHandle(this->signin_lock);

	::mir_free(this->login);
	if (this->password)
	{
		::mir_free(this->password);
		this->password = NULL;
	}

	ProtoDestructor(this);
}

HANDLE __cdecl CSkypeProto::AddToList(int flags, PROTOSEARCHRESULT* psr)
{
	//todo:ref
	return this->AddContactBySid(::mir_u2a(psr->id), ::mir_u2a(psr->nick), 0);
}

HANDLE __cdecl CSkypeProto::AddToListByEvent(int flags, int iContact, HANDLE hDbEvent)
{
	DBEVENTINFO dbei = {0};
	dbei.cbSize = sizeof(dbei);

	/*if ((dbei.cbBlob = CallService(MS_DB_EVENT_GETBLOBSIZE, (WPARAM)hDbEvent, 0)) != -1)
	{
		dbei.pBlob = (PBYTE)alloca(dbei.cbBlob);
		if (CallService(MS_DB_EVENT_GET, (WPARAM)hDbEvent, (LPARAM)&dbei) == 0 &&
				!strcmp(dbei.szModule, m_szModuleName) &&
				(dbei.eventType == EVENTTYPE_AUTHREQUEST || dbei.eventType == EVENTTYPE_CONTACTS))
		{
			char *nick = (char*)(dbei.pBlob + sizeof(DWORD) * 2);
			char *firstName = nick + strlen(nick) + 1;
			char *lastName = firstName + strlen(firstName) + 1;
			char *skypeName = lastName + strlen(lastName) + 1;
			return AddContactBySkypeName(::mir_a2u(skypeName), ::mir_a2u(nick), 0);
		}
	}*/
	return 0;
}

int __cdecl CSkypeProto::Authorize(HANDLE hDbEvent)
{
	if (this->IsOnline() && hDbEvent)
	{
		HANDLE hContact = this->GetContactFromAuthEvent(hDbEvent);
		if (hContact == INVALID_HANDLE_VALUE)
			return 1;

		return CSkypeProto::GrantAuth((WPARAM)hContact, NULL);
	}

	return 1;
}

int __cdecl CSkypeProto::AuthDeny(HANDLE hDbEvent, const TCHAR* szReason)
{
	if (this->IsOnline())
	{
		HANDLE hContact = this->GetContactFromAuthEvent(hDbEvent);
		if (hContact == INVALID_HANDLE_VALUE)
			return 1;

		return CSkypeProto::RevokeAuth((WPARAM)hContact, NULL);
	}

	return 1;
}

int __cdecl CSkypeProto::AuthRecv(HANDLE hContact, PROTORECVEVENT* pre)
{
	DWORD flags = 0;

	if (pre->flags & PREF_CREATEREAD)
		flags |= DBEF_READ;

	if (pre->flags & PREF_UTF)
		flags |= DBEF_UTF;

	this->AddDataBaseEvent(
		hContact,
		EVENTTYPE_AUTHREQUEST,
		pre->timestamp,
		flags,
		pre->lParam,
		(PBYTE)pre->szMessage);

	return 0;
}

int __cdecl CSkypeProto::AuthRequest(HANDLE hContact, const TCHAR* szMessage)
{
	if (this->IsOnline() && hContact)
	{
		CContact::Ref contact;
		SEString sid(::mir_u2a(this->GetSettingString(hContact, "sid")));
		if (this->skype->GetContact(sid, contact))
		{
			contact->SetBuddyStatus(Contact::AUTHORIZED_BY_ME);
			contact->SendAuthRequest(::mir_utf8encodeW(szMessage));
		}

		return 0;
	}

	return 1;
}

HANDLE __cdecl CSkypeProto::ChangeInfo( int iInfoType, void* pInfoData ) { return 0; }

HANDLE __cdecl CSkypeProto::FileAllow( HANDLE hContact, HANDLE hTransfer, const TCHAR* szPath ) 
{ 
	auto ft = (FileTransfer*)hTransfer;

	for (uint i = 0; i < ft->transfers.size(); i++)
	{
		bool success;
		SEString name;
		wchar_t fullPath[MAX_PATH] = {0};
		ft->transfers[i]->GetPropFilename(name);
		::mir_sntprintf(fullPath, MAX_PATH, L"%s%s", szPath, ::mir_utf8decodeW(name));
		if (ft->transfers[i]->Accept(::mir_u2a(fullPath), success) && success)
		{
			return 0;
		}
	}

	return hTransfer; 
}

int    __cdecl CSkypeProto::FileCancel( HANDLE hContact, HANDLE hTransfer ) 
{
	auto ft = (FileTransfer*)hTransfer;

	for (uint i = 0; i < ft->transfers.size(); i++)
	{
		if (ft->transfers[i]->Cancel())
		{
			return 1;
		}
	}

	return 0; 
}

int    __cdecl CSkypeProto::FileDeny( HANDLE hContact, HANDLE hTransfer, const TCHAR* szReason ) 
{ 
	auto ft = (FileTransfer*)hTransfer;

	for (uint i = 0; i < ft->transfers.size(); i++)
	{
		if (ft->transfers[i]->Cancel())
		{
			return 1;
		}
	}

	return 0;
}
int    __cdecl CSkypeProto::FileResume( HANDLE hTransfer, int* action, const TCHAR** szFilename ) 
{ 
	return 0; 
}

DWORD_PTR __cdecl CSkypeProto:: GetCaps(int type, HANDLE hContact)
{
	switch(type)
	{
	case PFLAGNUM_1:
		return PF1_IM | PF1_FILE | PF1_BASICSEARCH | PF1_ADDSEARCHRES | PF1_SEARCHBYEMAIL/* | PF1_SEARCHBYNAME*/;
	case PFLAGNUM_2:
	case PFLAGNUM_3:
		return PF2_ONLINE | PF2_SHORTAWAY | PF2_HEAVYDND | PF2_INVISIBLE;
	case PFLAGNUM_4:
		return PF4_FORCEAUTH | PF4_FORCEADDED | PF4_SUPPORTTYPING | PF4_AVATARS |
			PF4_OFFLINEFILES | PF4_IMSENDUTF | PF4_IMSENDOFFLINE;
	case PFLAG_UNIQUEIDTEXT:
		return (DWORD_PTR)Translate("Skype Name");
	case PFLAG_UNIQUEIDSETTING:
		return (DWORD_PTR) "sid";
	default:
		return 0;
	}
}

int    __cdecl CSkypeProto::GetInfo( HANDLE hContact, int infoType ) { return 0; }

HANDLE __cdecl CSkypeProto::SearchBasic(const TCHAR* id)
{
	if ( !this->IsOnline())
		return 0;

	wchar_t *data = ::mir_tstrdup(id);
	this->ForkThread(&CSkypeProto::SearchBySidAsync, data);

	return (HANDLE)SKYPE_SEARCH_BYSID;
}

HANDLE __cdecl CSkypeProto::SearchByEmail(const TCHAR* email)
{
	if ( !this->IsOnline())
		return 0;

	wchar_t *data = ::mir_tstrdup(email);
	this->ForkThread(&CSkypeProto::SearchByEmailAsync, data);

	return (HANDLE)SKYPE_SEARCH_BYEMAIL;
}

HANDLE __cdecl CSkypeProto::SearchByName(const TCHAR* nick, const TCHAR* firstName, const TCHAR* lastName)
{
	PROTOSEARCHRESULT isr = {0};
	isr.cbSize = sizeof(isr);
	isr.flags = PSR_TCHAR;
	isr.nick = ::mir_wstrdup(nick);
	isr.firstName = ::mir_wstrdup(firstName);
	isr.lastName = ::mir_wstrdup(lastName);

	this->ForkThread(&CSkypeProto::SearchByNamesAsync, &isr);

	return (HANDLE)SKYPE_SEARCH_BYNAMES;
}

HWND   __cdecl CSkypeProto::SearchAdvanced( HWND owner ) { return 0; }

HWND   __cdecl CSkypeProto::CreateExtendedSearchUI( HWND owner ){ return 0; }

int    __cdecl CSkypeProto::RecvContacts( HANDLE hContact, PROTORECVEVENT* ) { return 0; }
int    __cdecl CSkypeProto::RecvFile( HANDLE hContact, PROTORECVFILET* evt) 
{ 
	//db_unset(hContact, "CList", "Hidden");
	return Proto_RecvFile(hContact, evt);
}

int    __cdecl CSkypeProto::RecvMsg( HANDLE hContact, PROTORECVEVENT* pre)
{
	this->UserIsTyping(hContact, PROTOTYPE_SELFTYPING_OFF);
	return ::Proto_RecvMessage(hContact, pre);
}

int    __cdecl CSkypeProto::RecvUrl( HANDLE hContact, PROTORECVEVENT* ) { return 0; }

int    __cdecl CSkypeProto::SendContacts( HANDLE hContact, int flags, int nContacts, HANDLE* hContactsList ) { return 0; }

HANDLE __cdecl CSkypeProto::SendFile( HANDLE hContact, const TCHAR* szDescription, TCHAR** ppszFiles ) 
{
	if (this->IsOnline() && hContact && ppszFiles)
	{
		SEStringList targets;
		char* sid = ::db_get_sa(hContact, this->m_szModuleName, "sid");
		targets.append(sid);		

		CConversation::Ref conversation = CConversation::FindBySid(
			this->skype, 
			::db_get_sa(hContact, this->m_szModuleName, "sid"));
		conversation.fetch();

		SEFilenameList fileList;
		for (int i = 0; ppszFiles[i]; i++)
		{
			char* file = ::mir_u2a(ppszFiles[i]);
			fileList.append(file);
		}

		auto error = TRANSFER_OPEN_SUCCESS;
		SEFilename errFile; MessageRef msgRef;
		if ( !conversation->PostFiles(fileList, ::mir_u2a(szDescription), error, errFile, msgRef) || error)
		{
			// todo: despair
			//this->SendBroadcast(hContact, ACKTYPE_FILE, ACKRESULT_FAILED, (HANDLE)ccid, 0);
			return 0;
		}

		FileTransfer *ft = new FileTransfer(this);
		if (msgRef->GetTransfers(ft->transfers))
		{
			Sid::fetch(ft->transfers);
			for (uint i = 0; i < ft->transfers.size(); i++)
			{
				auto transfer = ft->transfers[i];
				transfer.fetch();
				transfer->SetOnTransferCallback(
					(CTransfer::OnTransfer)&CSkypeProto::OnTransferChanged,
					this);
				//this->transferList.append(transfer);
			}
		}

		//auto ft = new FileTransfer(this);
		msgRef->GetPropGuid(ft->guid);
		this->fileTransferList.insert(ft);

		return ft;
	}

	return 0; 
}

int    __cdecl CSkypeProto::SendMsg(HANDLE hContact, int flags, const char* msg)
{
	int result = ::InterlockedIncrement((LONG volatile*)&dwCMDNum);

	CConversation::Ref conversation = CConversation::FindBySid(
		this->skype,
		::db_get_sa(hContact, this->m_szModuleName, "sid"));
	if (conversation)
	{
		Message::Ref message;
		conversation->PostText(msg, message);
	}

	this->SendBroadcastAsync(
		hContact,
		ACKTYPE_MESSAGE,
		ACKRESULT_SUCCESS,
		(HANDLE)result, 0);

	return result;
}

int    __cdecl CSkypeProto::SendUrl( HANDLE hContact, int flags, const char* url ) { return 0; }

int    __cdecl CSkypeProto::SetApparentMode( HANDLE hContact, int mode ) { return 0; }

int CSkypeProto::SetStatus(int new_status)
{
	switch (new_status)
	{
	case ID_STATUS_OCCUPIED:
		new_status = ID_STATUS_DND;
		break;
	case ID_STATUS_FREECHAT:
		new_status = ID_STATUS_ONLINE;
		break;
	case ID_STATUS_ONTHEPHONE:
	case ID_STATUS_OUTTOLUNCH:
	case ID_STATUS_NA:
		new_status = ID_STATUS_AWAY;
		break;
	}

	if (new_status == this->m_iStatus)
		return 0;

	int old_status = this->m_iStatus;
	this->m_iDesiredStatus = new_status;

	switch (new_status)
	{
	case ID_STATUS_OFFLINE:
		if	(this->IsOnline() || this->m_iStatus == ID_STATUS_CONNECTING)
		{
			this->account->SetAvailability(CContact::OFFLINE);
			this->account->Logout(true);

			this->m_iStatus = new_status;
			this->SetAllContactStatus(ID_STATUS_OFFLINE);
		}
		break;

	default:
		if (old_status == ID_STATUS_OFFLINE && !this->IsOnline())
		{
			this->m_iStatus = ID_STATUS_CONNECTING;
			if ( !this->SignIn(this->m_iDesiredStatus)) return 0;
		}
		else
		{
			CContact::AVAILABILITY availability = this->MirandaToSkypeStatus(new_status);
			if (availability != CContact::UNKNOWN)
			{
				this->account->SetAvailability(availability);
				this->m_iStatus = new_status;
			}
		}
		break;
	}

	this->SetSettingWord("Status", this->m_iStatus);
	this->SendBroadcast(NULL, ACKTYPE_STATUS, ACKRESULT_SUCCESS, (HANDLE)old_status, this->m_iStatus);
	return 0;
}

HANDLE __cdecl CSkypeProto::GetAwayMsg(HANDLE hContact) { return 0; }
int    __cdecl CSkypeProto::RecvAwayMsg( HANDLE hContact, int mode, PROTORECVEVENT* evt ) { return 0; }
int    __cdecl CSkypeProto::SendAwayMsg( HANDLE hContact, HANDLE hProcess, const char* msg ) { return 0; }
int    __cdecl CSkypeProto::SetAwayMsg( int m_iStatus, const TCHAR* msg ) { return 0; }

int    __cdecl CSkypeProto::UserIsTyping( HANDLE hContact, int type )
{
	if (hContact && this->IsOnline() && this->m_iStatus != ID_STATUS_INVISIBLE)
	{
		if (::strcmp(::db_get_sa(hContact, this->m_szModuleName, "sid"), this->login) != 0)
		{
			CConversation::Ref conversation = CConversation::FindBySid(
				this->skype,
				::db_get_sa(hContact, this->m_szModuleName, "sid"));
			if (conversation)
			{
				switch (type)
				{
					case PROTOTYPE_SELFTYPING_ON:
						conversation->SetMyTextStatusTo(Participant::WRITING);
						return 0;

					case PROTOTYPE_SELFTYPING_OFF:
						conversation->SetMyTextStatusTo(Participant::READING); //todo: mb TEXT_UNKNOWN?
						return 0;
				}
			}
		}
	}

	return 1;
}

int    __cdecl CSkypeProto::OnEvent(PROTOEVENTTYPE eventType, WPARAM wParam, LPARAM lParam)
{
	switch (eventType)
	{
	case EV_PROTO_ONLOAD:
		return this->OnModulesLoaded(wParam, lParam);

	case EV_PROTO_ONEXIT:
		return this->OnPreShutdown(wParam, lParam);

	case EV_PROTO_ONMENU:
		this->OnInitStatusMenu();

	case EV_PROTO_ONCONTACTDELETED:
		return this->OnContactDeleted(wParam, lParam);
	}

	return 1;
}