/* 
Copyright (C) 2009 Ricardo Pescuma Domenecci

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

This 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
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with this file; see the file license.txt.  If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  
*/

#ifndef __SIPPROTO_H__
#define __SIPPROTO_H__


class SIPProto;
typedef void (__cdecl SIPProto::*SipThreadFunc)(void*);
typedef INT_PTR (__cdecl SIPProto::*SIPServiceFunc)(WPARAM, LPARAM);
typedef INT_PTR (__cdecl SIPProto::*SIPServiceFuncParam)(WPARAM, LPARAM, LPARAM);
typedef int (__cdecl SIPProto::*SIPEventFunc)(WPARAM, LPARAM);


class SIPProto : public PROTO_INTERFACE
{
private:
	HANDLE hNetlibUser;
	HANDLE hCallStateEvent;
	bool hasToDestroy;
	pjsua_transport_id udp_transport_id;
	pjsua_transport_id tcp_transport_id;
	pjsua_transport_id tls_transport_id;
	pjsua_acc_id acc_id;
	LONG messageID;
	LONG awayMessageID;
	TCHAR *awayMessages[ID_STATUS_OUTTOLUNCH - ID_STATUS_ONLINE + 1];
	int defaultInput, defaultOutput;

public:
	struct {
		TCHAR username[16];
		TCHAR domain[256];
		char password[16];
		BYTE savePassword;
		struct {
			TCHAR host[256];
			int port;
		} registrar;
		struct {
			TCHAR host[256];
			int port;
		} dns;
		struct {
			TCHAR host[256];
			int port;
		} stun;
		struct {
			TCHAR host[256];
			int port;
		} proxy;
		BYTE publish;
		BYTE sendKeepAlive;
		BYTE srtp;
	} opts;

	CRITICAL_SECTION cs;
	std::vector<SIPEvent> events;
	OptPageControl accountManagerCtrls[4];
	OptPageControl optionsCtrls[15];

	SIPProto(const char *aProtoName, const TCHAR *aUserName);
	virtual ~SIPProto();

	virtual	HANDLE   __cdecl AddToList( int flags, PROTOSEARCHRESULT* psr );
	virtual	HANDLE   __cdecl AddToListByEvent( int flags, int iContact, HANDLE hDbEvent );

	virtual	int      __cdecl Authorize( HANDLE hDbEvent );
	virtual	int      __cdecl AuthDeny( HANDLE hDbEvent, const char* szReason );
	virtual	int      __cdecl AuthRecv( HANDLE hContact, PROTORECVEVENT* );
	virtual	int      __cdecl AuthRequest( HANDLE hContact, const char* szMessage );

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

	virtual	HANDLE   __cdecl FileAllow( HANDLE hContact, HANDLE hTransfer, const PROTOCHAR* szPath ) { return 0; }
	virtual	int      __cdecl FileCancel( HANDLE hContact, HANDLE hTransfer ) { return 1; }
	virtual	int      __cdecl FileDeny( HANDLE hContact, HANDLE hTransfer, const PROTOCHAR* szReason ) { return 1; }
	virtual	int      __cdecl FileResume( HANDLE hTransfer, int* action, const PROTOCHAR** szFilename ) { return 1; }

	virtual	DWORD_PTR __cdecl GetCaps( int type, HANDLE hContact = NULL );

	virtual	HICON     __cdecl GetIcon( int iconIndex ) { return 0; }
	virtual	int       __cdecl GetInfo( HANDLE hContact, int infoType ) { return 1; }

	virtual	HANDLE    __cdecl SearchBasic( const char* id );
	virtual	HANDLE    __cdecl SearchByEmail( const char* email ) { return 0; }
	virtual	HANDLE    __cdecl SearchByName( const char* nick, const char* firstName, const char* lastName ) { return 0; }
	virtual	HWND      __cdecl SearchAdvanced( HWND owner ) { return 0; }
	virtual	HWND      __cdecl CreateExtendedSearchUI( HWND owner ) { return 0; }

	virtual	int       __cdecl RecvContacts( HANDLE hContact, PROTORECVEVENT* ) { return 1; }
	virtual	int       __cdecl RecvFile( HANDLE hContact, PROTOFILEEVENT* ) { return 1; }
	virtual	int       __cdecl RecvMsg( HANDLE hContact, PROTORECVEVENT* );
	virtual	int       __cdecl RecvUrl( HANDLE hContact, PROTORECVEVENT* ) { return 1; }

	virtual	int       __cdecl SendContacts( HANDLE hContact, int flags, int nContacts, HANDLE* hContactsList ) { return 1; }
	virtual	HANDLE    __cdecl SendFile( HANDLE hContact, const PROTOCHAR* szDescription, PROTOCHAR** ppszFiles ) { return 0; }
	virtual	int       __cdecl SendMsg( HANDLE hContact, int flags, const char* msg );
	virtual	int       __cdecl SendUrl( HANDLE hContact, int flags, const char* url ) { return 1; }

	virtual	int       __cdecl SetApparentMode( HANDLE hContact, int mode ) { return 1; }

	virtual	int       __cdecl SetStatus( int iNewStatus );

	virtual	HANDLE    __cdecl GetAwayMsg( HANDLE hContact );
	virtual	int       __cdecl RecvAwayMsg( HANDLE hContact, int mode, PROTORECVEVENT* evt ) { return 1; }
	virtual	int       __cdecl SendAwayMsg( HANDLE hContact, HANDLE hProcess, const char* msg ) { return 1; }
	virtual	int       __cdecl SetAwayMsg( int iStatus, const char* msg );

	virtual	int       __cdecl UserIsTyping( HANDLE hContact, int type );

	virtual	int       __cdecl OnEvent( PROTOEVENTTYPE iEventType, WPARAM wParam, LPARAM lParam );

	void on_reg_state();
	void on_incoming_call(pjsua_call_id call_id);
	void on_call_state(pjsua_call_id call_id, const pjsua_call_info &info);
	bool on_call_media_state_sync(pjsua_call_id call_id, const pjsua_call_info &info);
	void on_call_media_state(pjsua_call_id call_id);
	bool on_incoming_subscribe_sync(pjsua_srv_pres *srv_pres, pjsua_buddy_id buddy_id,
									const pj_str_t *from, pjsip_rx_data *rdata, 
									pjsip_status_code *code, pj_str_t *reason, 
									pjsua_msg_data *msg_data);
	void on_incoming_subscribe(char *from, char *text, pjsua_srv_pres *srv_pres);
	void on_buddy_state(pjsua_buddy_id buddy_id);
	bool on_pager_sync(pjsua_call_id call_id, const pj_str_t *from, const pj_str_t *to, const pj_str_t *contact,
					   const pj_str_t *mime_type, const pj_str_t *text, pjsip_rx_data *rdata);
	void on_pager(char *from, char *text, char *mime_type);
	void on_pager_status(HANDLE hContact, LONG messageID, pjsip_status_code status, char *text);
	bool on_typing_sync(pjsua_call_id call_id, const pj_str_t *from, const pj_str_t *to, const pj_str_t *contact, 
						pj_bool_t is_typing, pjsip_rx_data *rdata);
	void on_typing(char *from, bool isTyping);

	bool IsMyContact(HANDLE hContact);

	void Trace(TCHAR *fmt, ...);

private:
	int ConvertStatus(int status);
	void BroadcastStatus(int newStatus);
	void CreateProtoService(const char *szService, SIPServiceFunc serviceProc);
	void CreateProtoService(const char *szService, SIPServiceFuncParam serviceProc, LPARAM lParam);
	HANDLE CreateProtoEvent(const char *szService);
	void HookProtoEvent(const char *szEvent, SIPEventFunc pFunc);
	void ForkThread(SipThreadFunc pFunc, void *param = NULL);
	int SendBroadcast(HANDLE hContact, int type, int result, HANDLE hProcess, LPARAM lParam);

	int __cdecl OnModulesLoaded(WPARAM wParam, LPARAM lParam);
	int __cdecl OnOptionsInit(WPARAM wParam, LPARAM lParam);
	int __cdecl OnPreShutdown(WPARAM wParam, LPARAM lParam);
	int  __cdecl OnContactDeleted(WPARAM wParam, LPARAM lParam);

	void Info(TCHAR *fmt, ...);
	void Error(TCHAR *fmt, ...);
	void Error(pj_status_t status, TCHAR *fmt, ...);
	void ShowMessage(int type, TCHAR *fmt, va_list args);

	bool SendPresence(int status = 0);
	int Connect();
	void Disconnect();
	void DestroySIP();
	INT_PTR  __cdecl CreateAccMgrUI(WPARAM wParam, LPARAM lParam);

	void ConfigureDevices();
	void BuildTelURI(TCHAR *out, int outSize, const TCHAR *number, pjsip_transport_type_e transport = PJSIP_TRANSPORT_UDP);
	void BuildURI(TCHAR *out, int outSize, const TCHAR *user, const TCHAR *host = NULL, int port = 0, 
				  pjsip_transport_type_e transport = PJSIP_TRANSPORT_UDP, bool isTel = false);
	void CleanupURI(TCHAR *out, int outSize, const TCHAR *url);
	bool HasTransportEnabled(pjsip_transport_type_e transport);

	// Voice services
	void NotifyCall(pjsua_call_id call_id, int state, HANDLE hContact = NULL, TCHAR *name = NULL, TCHAR *number = NULL);
	int __cdecl VoiceCaps(WPARAM wParam, LPARAM lParam);
	int __cdecl VoiceCall(WPARAM wParam, LPARAM lParam);
	int __cdecl VoiceAnswerCall(WPARAM wParam, LPARAM lParam);
	int __cdecl VoiceDropCall(WPARAM wParam, LPARAM lParam);
	int __cdecl VoiceHoldCall(WPARAM wParam, LPARAM lParam);
	int __cdecl VoiceSendDTMF(WPARAM wParam, LPARAM lParam);
	int __cdecl VoiceCallStringValid(WPARAM wParam, LPARAM lParam);

	// Buddy
	HANDLE AddToList(int flags, const TCHAR *uri);
	void AddContactsToBuddyList();
	void __cdecl SearchUserThread(void *param);
	HANDLE CreateContact(const TCHAR *uri, bool temporary);
	pjsua_buddy_id GetBuddy(HANDLE hContact);
	HANDLE GetContact(pjsua_buddy_id buddy_id);
	HANDLE GetContact(const TCHAR *uri, bool addIfNeeded = false, bool temporary = false);
	void Attach(HANDLE hContact, pjsua_buddy_id buddy_id);
	void __cdecl FakeMsgAck(void *param);
	void LoadMirVer(HANDLE hContact, pjsip_rx_data *rdata);

	// Away messages
	void __cdecl GetAwayMsgThread(void* arg);
	TCHAR *GetAwayMsg(int status);
	INT_PTR __cdecl GetMyAwayMsg(WPARAM wParam, LPARAM lParam);
};




#endif // __SIPPROTO_H__