/*
 *  Copyright (C) 2002-2003  The DOSBox Team
 *
 *  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 Library General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */



#include "dosbox.h"
#if C_DEBUG
#include "setup.h"
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <curses.h>
#include <string.h>

#include "support.h"
#include "regs.h"
#include "debug.h"
#include "debug_inc.h"

struct _LogGroup {
	char * front;
	bool enabled;
};

namespace {
	_LogGroup loggrp[LOG_MAX]={"",true,0};

	FILE* debuglog;
};

extern int old_cursor_state;
void DEBUG_ShowMsg(Bit32u entry, char * format,...) {
	
	if (!(entry & LOG_ERROR) && entry && !loggrp[entry].enabled) return;

	char buf[1024];
	strcpy(buf,loggrp[entry&127].front);
	va_list msg;
	va_start(msg,format);
	vsprintf(&buf[strlen(buf)],format,msg);
	va_end(msg);
	wprintw(dbg.win_out,"%10d: %s\n",cycle_count,buf);
	wrefresh(dbg.win_out);
    if(debuglog) fprintf(debuglog,"%10d: %s\n",cycle_count,buf);
}



static void Draw_RegisterLayout(void) {
	mvwaddstr(dbg.win_reg,0,0,"EAX=");
	mvwaddstr(dbg.win_reg,1,0,"EBX=");
	mvwaddstr(dbg.win_reg,2,0,"ECX=");
	mvwaddstr(dbg.win_reg,3,0,"EDX=");

	mvwaddstr(dbg.win_reg,0,14,"ESI=");
	mvwaddstr(dbg.win_reg,1,14,"EDI=");
	mvwaddstr(dbg.win_reg,2,14,"EBP=");
	mvwaddstr(dbg.win_reg,3,14,"ESP=");

	mvwaddstr(dbg.win_reg,0,28,"DS=");
	mvwaddstr(dbg.win_reg,0,38,"ES=");
	mvwaddstr(dbg.win_reg,0,48,"FS=");
	mvwaddstr(dbg.win_reg,0,58,"GS=");
	mvwaddstr(dbg.win_reg,0,68,"SS=");

	mvwaddstr(dbg.win_reg,1,28,"CS=");
	mvwaddstr(dbg.win_reg,1,38,"EIP=");


	mvwaddstr(dbg.win_reg,1,52,"C  Z  S  O  A  P  D  I  T ");
}


static void DrawBars(void) {
	if (has_colors()) {
		attrset(COLOR_PAIR(PAIR_BLACK_BLUE));
	}
	/* Show the Register bar */
	mvaddstr(dbg.win_reg->_begy-1,0,"---[F1](Register Overview)---");
	/* Show the Data Overview bar perhaps with more special stuff in the end */
	mvaddstr(dbg.win_data->_begy-1,0,"---[F2](Data Overview)---");
	/* Show the Code Overview perhaps with special stuff in bar too */
	mvaddstr(dbg.win_code->_begy-1,0,"---[F3](Code Overview)---");
	/* Show the Output OverView */
	mvaddstr(dbg.win_out->_begy-1,0,"---[F4](OutPut/Input)---");
	attrset(0);
}



static void MakeSubWindows(void) {
	/* The Std output win should go in bottem */
	/* Make all the subwindows */
	int outy=1;
	/* The Register window  */
	dbg.win_reg=subwin(dbg.win_main,4,dbg.win_main->_maxx,outy,0);
	outy+=5;
	/* The Data Window */
	dbg.win_data=subwin(dbg.win_main,10,dbg.win_main->_maxx,outy,0);
	outy+=11;
	/* The Code Window */
	dbg.win_code=subwin(dbg.win_main,11,dbg.win_main->_maxx,outy,0);
	outy+=12;
	/* The output Window */	
	dbg.win_out=subwin(dbg.win_main,dbg.win_main->_maxy-outy-1,dbg.win_main->_maxx,outy,0);
	dbg.input_y=dbg.win_main->_maxy-1;
	scrollok(dbg.win_out,TRUE);
	DrawBars();
	Draw_RegisterLayout();
	refresh();
}

static void MakePairs(void) {
	init_pair(PAIR_BLACK_BLUE, COLOR_BLACK, COLOR_CYAN);
	init_pair(PAIR_BYELLOW_BLACK, COLOR_YELLOW /*| FOREGROUND_INTENSITY */, COLOR_BLACK);
	init_pair(PAIR_GREEN_BLACK, COLOR_GREEN /*| FOREGROUND_INTENSITY */, COLOR_BLACK);
	init_pair(PAIR_BLACK_GREY, COLOR_BLACK /*| FOREGROUND_INTENSITY */, COLOR_WHITE);
	init_pair(PAIR_GREY_RED, COLOR_WHITE/*| FOREGROUND_INTENSITY */, COLOR_RED);
}
static void LOG_Destroy(Section* sec) {
	
	if(debuglog) fclose(debuglog);
}

static void LOG_Init(Section * sec) {
	Section_prop * sect=static_cast<Section_prop *>(sec);
	const char * blah=sect->Get_string("logfile");
	if(blah && blah[0] &&(debuglog = fopen(blah,"wt+"))){
	}else{
		debuglog=0;
	}
	sect->AddDestroyFunction(LOG_Destroy);
	char buf[1024];
	for (Bitu i=1;i<LOG_MAX;i++) {
		strcpy(buf,loggrp[i].front);
		buf[strlen(buf)-1]=0;
		loggrp[i].enabled=sect->Get_bool(buf);
	}
}


void LOG_StartUp(void) {
	/* Setup logging groups */
	loggrp[LOG_VGA].front="VGA:";
	loggrp[LOG_VGAGFX].front="VGAGFX:";
	loggrp[LOG_VGAMISC].front="VGAMISC:";
	loggrp[LOG_INT10].front="INT10:";
	loggrp[LOG_SB].front="SBLASTER:";
	loggrp[LOG_DMA].front="DMA:";
	
	loggrp[LOG_FPU].front="FPU:";
	loggrp[LOG_CPU].front="CPU:";

	loggrp[LOG_FCB].front="FCB:";
	loggrp[LOG_FILES].front="FILES:";
	loggrp[LOG_IOCTL].front="IOCTL:";
	loggrp[LOG_EXEC].front="EXEC";
	loggrp[LOG_DOSMISC].front="DOSMISC:";

	loggrp[LOG_PIT].front="PIT:";
	loggrp[LOG_KEYBOARD].front="KEYBOARD:";
	loggrp[LOG_PIC].front="PIC:";

	loggrp[LOG_MOUSE].front="MOUSE:";
	loggrp[LOG_BIOS].front="BIOS:";
	loggrp[LOG_GUI].front="GUI:";
	loggrp[LOG_MISC].front="MISC:";
	
	/* Register the log section */
	Section_prop * sect=control->AddSection_prop("log",LOG_Init);
	sect->Add_string("logfile","");
	char buf[1024];
	for (Bitu i=1;i<LOG_MAX;i++) {
		strcpy(buf,loggrp[i].front);
		buf[strlen(buf)-1]=0;
		lowcase(buf);
		sect->Add_bool(buf,true);
	}
}




void DBGUI_StartUp(void) {
	/* Start the main window */
	dbg.win_main=initscr();
	cbreak();       /* take input chars one at a time, no wait for \n */
	noecho();       /* don't echo input */
	nodelay(dbg.win_main,true);
	keypad(dbg.win_main,true);
	#ifndef WIN32
	resizeterm(50,80);
	touchwin(dbg.win_main);
	old_cursor_state = curs_set(0);
	#endif
	start_color();
	cycle_count=0;
	MakePairs();
	MakeSubWindows();

}

#endif