/* (c) 2002-2003 by Walek, 2005 by Michal Cihar */

#include "../../gsmstate.h"

#ifdef GSM_ENABLE_ATGEN

#include <string.h>
#include <time.h>
#include <ctype.h>

#include "../../misc/coding/coding.h"
#include "../../gsmcomon.h"
#include "../pfunc.h"

#include "atgen.h"
#include "siemens.h"

#include "../../service/gsmlogo.h"


static GSM_Error GetSiemensFrame(GSM_Protocol_Message msg, GSM_StateMachine *s, const char *templ,
			    unsigned char *buffer, size_t *len)
{
	GSM_Phone_ATGENData 	*Priv = &s->Phone.Data.Priv.ATGEN;
	int			i=2, pos=0, length=0;
	unsigned char 		buf[512];

	if (strstr(GetLineString(msg.Buffer,&Priv->Lines,2), "OK")) {
		return ERR_EMPTY;
	}
	if (!strstr(GetLineString(msg.Buffer,&Priv->Lines,2), templ)) {
		return ERR_UNKNOWN;
	}

	while (1) {
		if (Priv->Lines.numbers[i*2+1]==0) break;
		if ((!strstr(GetLineString(msg.Buffer, &Priv->Lines, i + 1), templ)) &&
				(strstr(GetLineString(msg.Buffer, &Priv->Lines, i), templ))){
			length = strlen(GetLineString(msg.Buffer, &Priv->Lines, i + 1));
			DecodeHexBin(buf, GetLineString(msg.Buffer, &Priv->Lines, i + 1),length);
			length = length / 2;
			memcpy (buffer+pos,buf,length);
			pos+=length;
		}
		i++;
	}
	*len = pos;
	return ERR_NONE;
}

static GSM_Error SetSiemensFrame (GSM_StateMachine *s, unsigned char *buff, const char *templ,
			    int Location, GSM_Phone_RequestID RequestID, size_t len)
{
	GSM_Phone_Data		*Phone = &s->Phone.Data;
	GSM_Error		error;
	unsigned char 		req[60],req1[512],hexreq[10000];
	int			MaxFrame,CurrentFrame,size,sz,pos=0;
	size_t reqlen;

	if ((len * 2) > (sizeof(hexreq) - 1)) {
		smprintf(s, "Too long request!\n");
		return ERR_MOREMEMORY;
	}

	/* Encode request data */
	EncodeHexBin(hexreq, buff, len);

	/* Calculate number of frames */
	size	 = len * 2;
	MaxFrame = size / 352;
	if (size % 352) {
		MaxFrame++;
	}

	for (CurrentFrame = 0; CurrentFrame < MaxFrame; CurrentFrame++) {
		pos = CurrentFrame * 352;
		if (pos + 352 < size) {
			sz = 352;
		} else {
			sz = size - pos;
		}

		/* Write AT command */
		reqlen = sprintf(req, "AT^SBNW=\"%s\",%i,%i,%i\r",templ,Location,CurrentFrame+1,MaxFrame);
		s->Protocol.Data.AT.EditMode = TRUE;
		error = GSM_WaitFor(s, req, reqlen, 0x00, 3, RequestID);
		s->Phone.Data.DispatchError = ERR_TIMEOUT;
		s->Phone.Data.RequestID = RequestID;
		if (error != ERR_NONE) {
			return error;
		}

		/* Write data */
		memcpy(req1, hexreq + pos, sz);
		error = s->Protocol.Functions->WriteMessage(s, req1, sz, 0x00);
		if (error!=ERR_NONE) {
			return error;
		}

		/* Write termination mark */
		error = s->Protocol.Functions->WriteMessage(s,"\x1A", 1, 0x00);
		if (error != ERR_NONE) {
			return error;
		}

		/* Wait for transaction completion */
		error = GSM_WaitForOnce(s, NULL, 0x00, 0x00, 4);
		if (error == ERR_TIMEOUT) {
			return error;
		}
	}
	/* Give phone some time to process the request */
	/* @todo: This is probably way too big */
	usleep(500000);
	return Phone->DispatchError;
}

GSM_Error SIEMENS_ReplyGetBitmap(GSM_Protocol_Message msg, GSM_StateMachine *s)
{
	unsigned char 		buffer[4096];
	size_t			length;
	GSM_Error		error;

	error = GetSiemensFrame(msg,s,"bmp",buffer,&length);
	if (error!=ERR_NONE) return error;
	smprintf(s, "Operator logo received lenght=%ld\n", (long)length);
	error = BMP2Bitmap (buffer,NULL,s->Phone.Data.Bitmap);
	if (error==ERR_NONE) return error;
	else return ERR_UNKNOWN;
}

GSM_Error SIEMENS_ReplySetFunction (GSM_Protocol_Message msg UNUSED, GSM_StateMachine *s, const char *function)
{
	if (s->Protocol.Data.AT.EditMode) {
	    s->Protocol.Data.AT.EditMode = FALSE;
	    return ERR_NONE;
	}
	smprintf(s, "Written %s",function);
  	if (s->Phone.Data.Priv.ATGEN.ReplyState == AT_Reply_OK){
  		smprintf(s, " - OK\n");
  		return ERR_NONE;
	} else {
  		smprintf(s, " - error\n");
  		return ERR_UNKNOWN;
	}
}

GSM_Error SIEMENS_ReplySetBitmap(GSM_Protocol_Message msg, GSM_StateMachine *s)
{
    return SIEMENS_ReplySetFunction (msg, s, "Operator Logo");
}

GSM_Error SIEMENS_GetBitmap(GSM_StateMachine *s, GSM_Bitmap *Bitmap)
{
	unsigned char req[32];
	size_t len;

	if (Bitmap->Type!=GSM_OperatorLogo) return ERR_NOTSUPPORTED;
	if (Bitmap->Location-1 < 0) Bitmap->Location++;
	s->Phone.Data.Bitmap=Bitmap;
	len = sprintf(req, "AT^SBNR=\"bmp\",%i\r", Bitmap->Location-1);
	smprintf(s, "Getting Bitmap\n");
	return GSM_WaitFor (s, req, len, 0x00, 4, ID_GetBitmap);
}

GSM_Error SIEMENS_SetBitmap(GSM_StateMachine *s, GSM_Bitmap *Bitmap)
{
	unsigned char 	buffer[4096];
	int 		length;
	GSM_Error	error;

	if (Bitmap->Type!=GSM_OperatorLogo) return ERR_NOTSUPPORTED;

	error = Bitmap2BMP (buffer,NULL,Bitmap);
	if (error!=ERR_NONE) return error;
	length = 0x100 * buffer[3] + buffer[2];
	buffer[58]=0xff; buffer[59]=0xff; buffer[60]=0xff;
	if (Bitmap->Location-1 < 0) Bitmap->Location++;
	s->Phone.Data.Bitmap=Bitmap;
	return SetSiemensFrame(s, buffer,"bmp",Bitmap->Location-1,
				ID_SetBitmap,length);
}

GSM_Error SIEMENS_ReplyGetRingtone(GSM_Protocol_Message msg, GSM_StateMachine *s)
{
	char 		buffer[] = "Individual";
	size_t			length;
	GSM_Error		error;

        error = GetSiemensFrame(msg,s,"mid",s->Phone.Data.Ringtone->NokiaBinary.Frame,&length);
	if (error!=ERR_NONE) return error;
	smprintf(s, "Midi ringtone received\n");

	s->Phone.Data.Ringtone->Format			= RING_MIDI;
	s->Phone.Data.Ringtone->NokiaBinary.Length	= length;
	EncodeUnicode (s->Phone.Data.Ringtone->Name,buffer,strlen(buffer));
	return ERR_NONE;
}

GSM_Error SIEMENS_GetRingtone(GSM_StateMachine *s, GSM_Ringtone *Ringtone, gboolean PhoneRingtone UNUSED)
{
	unsigned char req[32];
	size_t len;

	s->Phone.Data.Ringtone=Ringtone;
	len = sprintf(req, "AT^SBNR=\"mid\",%i\r", Ringtone->Location-1);
	smprintf(s, "Getting RingTone\n");
	return GSM_WaitFor (s, req, len, 0x00, 4, ID_GetRingtone);
}

GSM_Error SIEMENS_ReplySetRingtone(GSM_Protocol_Message msg, GSM_StateMachine *s)
{
	return SIEMENS_ReplySetFunction (msg, s, "Ringtone");
}

GSM_Error SIEMENS_SetRingtone(GSM_StateMachine *s, GSM_Ringtone *Ringtone, int *maxlength UNUSED)
{
	GSM_Phone_Data *Phone = &s->Phone.Data;

	if (Ringtone->Location==255) Ringtone->Location=1;
	if (Ringtone->Location-1 > 1) return ERR_INVALIDLOCATION;

	s->Phone.Data.Ringtone	= Ringtone;
 	Phone->Ringtone		= Ringtone;
	return SetSiemensFrame(s, Ringtone->NokiaBinary.Frame,"mid",Ringtone->Location-1,
				ID_SetRingtone,Ringtone->NokiaBinary.Length);
}

GSM_Error SIEMENS_ReplyGetNextCalendar(GSM_Protocol_Message msg, GSM_StateMachine *s)
{
	GSM_Phone_ATGENData	*Priv = &s->Phone.Data.Priv.ATGEN;
	GSM_Phone_Data		*Data = &s->Phone.Data;
	GSM_CalendarEntry	*Calendar = Data->Cal;
	GSM_ToDoEntry		ToDo;
	GSM_Error		error;
	unsigned char 		buffer[354];
	size_t			pos=0;
	size_t			len;

	switch (Priv->ReplyState) {
	case AT_Reply_OK:
 		smprintf(s, "Calendar entry received\n");
		error = GetSiemensFrame(msg, s, "vcs", buffer, &len);
		if (error != ERR_NONE) return error;
		return GSM_DecodeVCALENDAR_VTODO(&(s->di), buffer,&pos,Calendar,&ToDo,Siemens_VCalendar,0);
	case AT_Reply_Error:
		smprintf(s, "Error - too high location ?\n");
		return ERR_INVALIDLOCATION;
	case AT_Reply_CMSError:
 	        return ATGEN_HandleCMSError(s);
	case AT_Reply_CMEError:
 		/* S55 say this way, that this is empty */
 		if (Priv->ErrorCode == 100) {
 			return ERR_EMPTY;
 		}
	        return ATGEN_HandleCMEError(s);
	default:
		break;
	}
	return ERR_UNKNOWNRESPONSE;
}

GSM_Error SIEMENS_GetNextCalendar(GSM_StateMachine *s, GSM_CalendarEntry *Note, gboolean start)
{
	GSM_Phone_ATGENData	*Priv = &s->Phone.Data.Priv.ATGEN;
	GSM_Error		error;
	unsigned char 		req[32];
	int			Location;
	size_t len;

	if (Priv->Manufacturer!=AT_Siemens) return ERR_NOTSUPPORTED;

	if (start) Note->Location = Priv->FirstCalendarPos;
	s->Phone.Data.Cal 	= Note;
	Note->EntriesNum 	= 0;
	smprintf(s, "Getting VCALENDAR\n");
	Location = Note->Location;
	while (1){
		Location++;
		len = sprintf(req, "AT^SBNR=\"vcs\",%i\r",Location);
		error = GSM_WaitFor (s, req, len, 0x00, 4, ID_GetCalendarNote);
		if ((error!=ERR_NONE) && (error!=ERR_EMPTY)) {
			error = ERR_INVALIDLOCATION;
			break;
		}
		Note->Location 		= Location;
		if (Location > MAX_VCALENDAR_LOCATION) {
			error = ERR_EMPTY;
			break;
		}
		if (error==ERR_NONE)
			break;
	}
	return error;
}

GSM_Error SIEMENS_GetCalendar(GSM_StateMachine *s, GSM_CalendarEntry *Note)
{
	GSM_Phone_ATGENData	*Priv = &s->Phone.Data.Priv.ATGEN;
	unsigned char 		req[32];
	size_t len;

	if (Priv->Manufacturer!=AT_Siemens) return ERR_NOTSUPPORTED;

	s->Phone.Data.Cal = Note;
	len = sprintf(req, "AT^SBNR=\"vcs\",%i\r",Note->Location);
	smprintf(s, "Getting calendar note\n");

	return GSM_WaitFor (s, req, len, 0x00, 4, ID_GetCalendarNote);
}

GSM_Error SIEMENS_ReplyAddCalendarNote(GSM_Protocol_Message msg, GSM_StateMachine *s)
{
    return SIEMENS_ReplySetFunction (msg, s, "Calendar Note");
}

GSM_Error SIEMENS_ReplySetMemory(GSM_Protocol_Message msg, GSM_StateMachine *s)
{
    return SIEMENS_ReplySetFunction (msg, s, "Memory entry");
}

GSM_Error SIEMENS_ReplyDelCalendarNote(GSM_Protocol_Message msg UNUSED, GSM_StateMachine *s)
{
	GSM_Phone_Data *Data = &s->Phone.Data;

	if (Data->Cal->Location > MAX_VCALENDAR_LOCATION) return ERR_UNKNOWN;

	if (Data->Priv.ATGEN.ReplyState== AT_Reply_OK) {
		smprintf(s, "Calendar note deleted\n");
		return ERR_NONE;
	} else {
		smprintf(s, "Can't delete calendar note\n");
		return ERR_UNKNOWN;
	}
}

GSM_Error SIEMENS_DelCalendarNote(GSM_StateMachine *s, GSM_CalendarEntry *Note)
{
	GSM_Phone_ATGENData	*Priv = &s->Phone.Data.Priv.ATGEN;
	unsigned char 		req[32];
	size_t len;

	if (s->Phone.Data.Priv.ATGEN.Manufacturer!=AT_Siemens) return ERR_NOTSUPPORTED;
	s->Phone.Data.Cal = Note;
	len = sprintf(req, "AT^SBNW=\"vcs\",%i,0\r",Note->Location);
	smprintf(s, "Deleting calendar note\n");
	Priv->FirstFreeCalendarPos = 0;
	return GSM_WaitFor(s, req, len, 0x00, 4, ID_DeleteCalendarNote);
}

GSM_Error SIEMENS_SetCalendarNote(GSM_StateMachine *s, GSM_CalendarEntry *Note)
{
	GSM_Phone_ATGENData	*Priv = &s->Phone.Data.Priv.ATGEN;
	GSM_Error		error;
	unsigned char 		req[500];
	size_t			size=0;

	if (Priv->Manufacturer!=AT_Siemens) return ERR_NOTSUPPORTED;

	s->Phone.Data.Cal = Note;
	error=GSM_EncodeVCALENDAR(req, sizeof(req) ,&size,Note,TRUE,Siemens_VCalendar);
	if (error != ERR_NONE) return error;

	return SetSiemensFrame (s,req,"vcs",Note->Location,ID_SetCalendarNote,size);
}

GSM_Error SIEMENS_AddCalendarNote(GSM_StateMachine *s, GSM_CalendarEntry *Note)
{
	GSM_Phone_ATGENData	*Priv = &s->Phone.Data.Priv.ATGEN;
	GSM_Error		error;
	unsigned char 		req[500], req1[32];
	size_t			size=0;
	int Location;
	size_t len;

	if (Priv->Manufacturer!=AT_Siemens) return ERR_NOTSUPPORTED;

	error=GSM_EncodeVCALENDAR(req, sizeof(req),&size,Note,TRUE,Siemens_VCalendar);

	Note->Location		= Priv->FirstFreeCalendarPos;
	s->Phone.Data.Cal 	= Note;
	Note->EntriesNum 	= 0;
	smprintf(s, "Getting VCALENDAR\n");
	Location = Note->Location;
	while (1){
		Location++;
		len = sprintf(req1, "AT^SBNR=\"vcs\",%i\r",Location);
		error = GSM_WaitFor (s, req1, len, 0x00, 4, ID_GetCalendarNote);
		Note->Location			= Location;
		Priv->FirstFreeCalendarPos	= Location;
		if (error==ERR_EMPTY) break;
		if (Location > MAX_VCALENDAR_LOCATION) {
			Priv->FirstFreeCalendarPos = 0;
			return ERR_FULL;
		}
		if (error!=ERR_NONE) return error;
	}
	return SetSiemensFrame (s,req,"vcs",Note->Location,ID_SetCalendarNote,size);
}

GSM_Error SIEMENS_ReplyGetMemory(GSM_Protocol_Message msg, GSM_StateMachine *s)
{
 	GSM_Phone_ATGENData 	*Priv = &s->Phone.Data.Priv.ATGEN;
 	GSM_MemoryEntry		*Memory = s->Phone.Data.Memory;
	char			buffer[4096];
	size_t			length = 0;
	GSM_Error		error;

	switch (Priv->ReplyState) {
	case AT_Reply_OK:
 		smprintf(s, "Phonebook entry received\n");
		error = GetSiemensFrame(msg,s,"vcf", buffer, &length);
		if (error != ERR_NONE) return error;
 		Memory->EntriesNum = 0;
		length = 0;
 		return GSM_DecodeVCARD(&(s->di), buffer, &length, Memory, SonyEricsson_VCard21_Phone);
	case AT_Reply_Error:
                smprintf(s, "Error - too high location ?\n");
                return ERR_INVALIDLOCATION;
	case AT_Reply_CMSError:
 	        return ATGEN_HandleCMSError(s);
	case AT_Reply_CMEError:
 		/* S55 say this way, that this is empty */
 		if (Priv->ErrorCode == 100) {
 			return ERR_EMPTY;
 		}
	        return ATGEN_HandleCMEError(s);
	default:
		break;
	}
	return ERR_UNKNOWNRESPONSE;
}

GSM_Error SIEMENS_ReplyGetMemoryInfo(GSM_Protocol_Message msg, GSM_StateMachine *s)
{
 	GSM_Phone_ATGENData 	*Priv = &s->Phone.Data.Priv.ATGEN;
	char 			*pos;
	/* Text to parse: ^SBNR: ("vcs",(1-50)) */

	Priv->PBKSBNR = AT_NOTAVAILABLE;

 	switch (Priv->ReplyState) {
 	case AT_Reply_OK:
		smprintf(s, "Memory info received\n");

		/* Parse first location */
		pos = strstr(msg.Buffer, "\"vcf\"");
		if (!pos) return ERR_NOTSUPPORTED;
		pos = strchr(pos + 1, '(');
		if (!pos) return ERR_UNKNOWNRESPONSE;
		pos++;
		if (!isdigit((int)*pos)) return ERR_UNKNOWNRESPONSE;
		Priv->FirstMemoryEntry = atoi(pos);

		/* Parse last location*/
		pos = strchr(pos, '-');
		if (!pos) return ERR_UNKNOWNRESPONSE;
		pos++;
		if (!isdigit((int)*pos)) return ERR_UNKNOWNRESPONSE;
		Priv->MemorySize = atoi(pos) + 1 - Priv->FirstMemoryEntry;

		Priv->PBKSBNR = AT_AVAILABLE;

		return ERR_NONE;
	case AT_Reply_Error:
		return ERR_NONE;
	case AT_Reply_CMSError:
	        return ATGEN_HandleCMSError(s);
	case AT_Reply_CMEError:
	        return ATGEN_HandleCMEError(s);
 	default:
		return ERR_UNKNOWNRESPONSE;
	}
}

GSM_Error SIEMENS_SetMemory(GSM_StateMachine *s, GSM_MemoryEntry *entry)
{
	GSM_Phone_ATGENData	*Priv = &s->Phone.Data.Priv.ATGEN;
	GSM_Error		error;
	unsigned char 		req[5000];
	size_t			size=0;

	if (Priv->Manufacturer != AT_Siemens) {
		return ERR_NOTSUPPORTED;
	}
	if (entry->MemoryType != MEM_ME) {
		return ERR_NOTSUPPORTED;
	}

	/*
	 * Phone does not seem to be able to handle full vCard 2.1,
	 * it might be necessary to add some another vCard type specially
	 * tailored for Siemens.
	 */
	error = GSM_EncodeVCARD(&(s->di), req, sizeof(req) ,&size, entry, TRUE, SonyEricsson_VCard10);
	if (error != ERR_NONE) return error;

	return SetSiemensFrame(s, req, "vcf", entry->Location, ID_SetMemory, size);
}

#endif

/* How should editor hadle tabs in this file? Add editor commands here.
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 */
