/* export_to_pcbnew.cpp */
/*
Export des couches vers pcbnew
*/

#include "fctsys.h"

#include "common.h"
#include "gerbview.h"

#include "protos.h"

/* Routines Locales : */
static int SavePcbFormatAscii(WinEDA_GerberFrame * frame,
		FILE * File, int * LayerLookUpTable);

/* Variables Locales */


/************************************************************************/
void WinEDA_GerberFrame::ExportDataInPcbnewFormat(wxCommandEvent& event)
/************************************************************************/
/* Export data in pcbnew format
*/
{
wxString FullFileName, msg;
wxString PcbExt(wxT(".brd"));
FILE * dest;

	msg = wxT("*") + PcbExt;
	FullFileName = EDA_FileSelector(_("Board file name:"),
				wxEmptyString,						/* Chemin par defaut */
				wxEmptyString,	 	/* nom fichier par defaut */
				PcbExt,			/* extension par defaut */
				msg,					/* Masque d'affichage */
				this,
				wxFD_SAVE,
				FALSE
				);
	if ( FullFileName == wxEmptyString ) return;

	int * LayerLookUpTable;
	if ( ( LayerLookUpTable = InstallDialogLayerPairChoice(this) ) != NULL )
	{
		if ( wxFileExists(FullFileName) )
		{
			if ( ! IsOK(this, _("Ok to change the existing file ?")) )
				return;
		}
		dest = wxFopen(FullFileName, wxT("wt"));
		if (dest == 0)
		{
			msg = _("Unable to create ") + FullFileName;
			DisplayError(this, msg) ;
			return;
		}
		GetScreen()->m_FileName = FullFileName;
		SavePcbFormatAscii(this, dest, LayerLookUpTable);
		fclose(dest) ;
	}
}


/***************************************************************/
static int WriteSetup(FILE * File, BOARD * Pcb)
/***************************************************************/
{
char text[1024];

	fprintf(File,"$SETUP\n");
	sprintf(text, "InternalUnit %f INCH\n", 1.0/PCB_INTERNAL_UNIT);
	to_point(text);
	fprintf(File, text);
	
	Pcb->m_BoardSettings->m_CopperLayerCount = g_DesignSettings.m_CopperLayerCount;
	fprintf(File, "Layers %d\n", g_DesignSettings.m_CopperLayerCount);

	fprintf(File,"$EndSETUP\n\n");
	return(1);
}

/******************************************************/
static bool WriteGeneralDescrPcb(BOARD * Pcb, FILE * File)
/******************************************************/
{
int NbLayers;

	/* generation du masque des couches autorisees */
	NbLayers = Pcb->m_BoardSettings->m_CopperLayerCount;
	fprintf(File,"$GENERAL\n");
	fprintf(File,"LayerCount %d\n",NbLayers);

	/* Generation des coord du rectangle d'encadrement */
	Pcb->ComputeBoundaryBox();
	fprintf(File,"Di %d %d %d %d\n",
					Pcb->m_BoundaryBox.GetX(), Pcb->m_BoundaryBox.GetY(),
					Pcb->m_BoundaryBox.GetRight(),
					Pcb->m_BoundaryBox.GetBottom());

	fprintf(File,"$EndGENERAL\n\n");
	return TRUE;
}


/*******************************************************************/
static int SavePcbFormatAscii(WinEDA_GerberFrame * frame,FILE * File,
			int * LayerLookUpTable)
/*******************************************************************/
/* Routine de sauvegarde du PCB courant sous format ASCII
	retourne
		1 si OK
		0 si sauvegarde non faite
*/
{
char Line[256];
TRACK * track, *next_track;
EDA_BaseStruct * PtStruct, *NextStruct;
BOARD * GerberPcb = frame->m_Pcb;
BOARD * Pcb;
	
	wxBeginBusyCursor();
	
	/* Create an image of gerber data */
	Pcb = new BOARD(NULL, frame);
	for(track = GerberPcb->m_Track; track != NULL; track = (TRACK*) track->Pnext)
	{
		int layer = track->m_Layer;
		int pcb_layer_number = LayerLookUpTable[layer];
		if ( pcb_layer_number < 0 ) continue;
		if ( pcb_layer_number > CMP_N )
		{
			DRAWSEGMENT * drawitem = new DRAWSEGMENT(NULL, TYPEDRAWSEGMENT);
			drawitem->m_Layer = pcb_layer_number;
			drawitem->m_Start = track->m_Start;
			drawitem->m_End = track->m_End;
			drawitem->m_Width = track->m_Width;
			drawitem->Pnext = Pcb->m_Drawings;
			Pcb->m_Drawings = drawitem;
		}
		else
		{
			TRACK * newtrack = new TRACK(*track);
			newtrack->m_Layer = pcb_layer_number;
			newtrack->Insert(Pcb, NULL);
		}
	}

	/* replace spots by vias when possible */
	for(track = Pcb->m_Track; track != NULL; track = (TRACK*) track->Pnext)
	{
		if( (track->m_Shape != S_SPOT_CIRCLE) && (track->m_Shape != S_SPOT_RECT)  && (track->m_Shape != S_SPOT_OVALE) )
			continue;
		/* A spot is found, and can be a via: change it for via, and delete others
		spots at same location */
		track->m_Shape = VIA_NORMALE;
		track->m_StructType = TYPEVIA;
		track->m_Layer = 0x0F;	// Layers are 0 to 15 (Cu/Cmp)
		track->m_Drill = -1;
		/* Compute the via position from track position ( Via position is the position of the middle of the track segment */
		track->m_Start.x = (track->m_Start.x +track->m_End.x)/2;
		track->m_Start.y = (track->m_Start.y +track->m_End.y)/2;
		track->m_End = track->m_Start;
	}
	/* delete redundant vias */
	for(track = Pcb->m_Track; track != NULL; track = track->Next())
	{
		if( track->m_Shape != VIA_NORMALE ) continue;
		/* Search and delete others vias*/
		TRACK * alt_track = track->Next();
		for( ; alt_track != NULL; alt_track = next_track)
		{
			next_track = (TRACK*) alt_track->Pnext;
			if( alt_track->m_Shape != VIA_NORMALE ) continue;
			if ( alt_track->m_Start != track->m_Start ) continue;
			/* delete track */
			alt_track->UnLink();
			delete alt_track;
		}
	}

	
	// Switch the locale to standard C (needed to print floating point numbers like 1.3)
	setlocale(LC_NUMERIC, "C");
	/* Ecriture de l'entete PCB : */
	fprintf(File,"PCBNEW-BOARD Version %d date %s\n\n",g_CurrentVersionPCB,
									DateAndTime(Line) );
	WriteGeneralDescrPcb(Pcb, File);
	WriteSetup(File, Pcb);

	/* Ecriture des donnes utiles du pcb */
	PtStruct = Pcb->m_Drawings;
	for( ; PtStruct != NULL; PtStruct = PtStruct->Pnext )
	{
		switch ( PtStruct->m_StructType )
		{
			case TYPETEXTE:
				((TEXTE_PCB*)PtStruct)->WriteTextePcbDescr(File) ;
				break;

			case TYPEDRAWSEGMENT:
				((DRAWSEGMENT *)PtStruct)->WriteDrawSegmentDescr(File);
				break;

			default:
				break;
		}
	}

	fprintf(File,"$TRACK\n");
	for(track = Pcb->m_Track; track != NULL; track = (TRACK*) track->Pnext)
	{
		track->WriteTrackDescr(File);
	}

	fprintf(File,"$EndTRACK\n");

	fprintf(File,"$EndBOARD\n");

	/* Delete the copy */
	for( PtStruct = Pcb->m_Drawings; PtStruct != NULL; PtStruct = NextStruct )
	{
		NextStruct = PtStruct->Pnext;
		delete PtStruct;
	}
	for(track = Pcb->m_Track; track != NULL; track = next_track)
	{
		next_track = (TRACK*) track->Pnext;
		delete track;
	}
	delete Pcb;

	setlocale(LC_NUMERIC, "");      // revert to the current  locale
	wxEndBusyCursor();
	return 1;
}