#include <stdio.h>
#include "UnAlz.h"


void Usage()
{
	printf("\n");
#ifdef _UNALZ_ICONV
		printf("USAGE : unalz [-utf8 | -cp949] sourcefile.alz [dest path] \n");
#	ifdef _UNALZ_UTF8
		printf("        -utf8  : convert filename's codepage to UTF-8 (default)\n");
		printf("        -cp949 : convert filename's codepage to CP949\n");
#	else
		printf("        -utf8  : convert filename's codepage to UTF-8\n");
		printf("        -cp949 : convert filename's codepage to CP949 (default)\n");
#	endif // _UNALZ_UTF8
#else		// no iconv
	printf("USAGE : unalz sourcefile.alz [dest path] \n");
#endif // _UNALZ_ICONV
}

void UnAlzCallback(const char* szMessage, INT64 nCurrent, INT64 nRange, void* param, BOOL* bHalt)
{
	// progress
	char	buf[1000];
	INT64	percent;
	static  INT64 nPrevPercent = -1;
	int		buflen;
	int		i;

	// ÆÄÀϸí Ãâ·Â..
	if(szMessage)
	{
		//printf("\n");
		printf("unalziiiing : %s	", szMessage);
		nPrevPercent = -1;
		return ;
	}

	percent = nCurrent*100/nRange;

	if(nPrevPercent==percent) return; 	// ³Ê¹« ÀæÀº ¾÷µ¥ÀÌÆ® ¹æÁö..
	nPrevPercent = percent;
#ifdef _WIN32
	sprintf(buf, "%I64d/%I64d (%I64d%%)", nCurrent, nRange, percent);
#else
	sprintf(buf, "%d/%d (%d%%)", (int)nCurrent, (int)nRange, (int)percent);		// int64 ¸¦ Ãâ·ÂÇÒ¶ó¸é ¾îÂîÇØ¾ß µÇ´ÂÁö?
#endif
	puts(buf);
	buflen = strlen(buf);
	fflush(stdout);

	for(i=0;i<buflen;i++) printf("\b");
}


int main(int argc, char* argv[])
{
//	printf("unalz v0.20 (2004/10/22) \n");
	printf("unalz v0.22 (2004/10/28) \n");
	printf("copyright(C) 2004 http://www.kipple.pe.kr\n");

	if(argc<2)
	{
		Usage();
		return 0;
	}

	CUnAlz	unalz;
	char* source=NULL;
	char* destpath=".";
	char* destcodepage=NULL;
	int   count=1;

	// utf8 ¿É¼Ç ó¸®
#ifdef _UNALZ_ICONV
	if(strcmp(argv[count], "-utf8")==0)
	{
		destcodepage = "UTF-8";				// utf-8 support
		count++;
	}
	else if(strcmp(argv[count], "-cp949")==0)
	{
		destcodepage = "CP949";				// cp959 
		count++;
	}
	if(count>=argc)	{Usage();return 0;}		// ¿É¼Ç¸¸ ¾²¸é ¾î¼¶ó°í..

	if(destcodepage) unalz.SetDestCodepage(destcodepage);
#endif

	// ¼Ò½º ÆÄÀÏ
	source=argv[count];						
	count++;

	// ´ë»ó °æ·Î
	if(count<argc)							
	{
		destpath = argv[count];
		count++;
	}


	// ÆÄÀÏ ¿­±â
	if(unalz.Open(source)==FALSE)
	{
		printf("file open error : %s\n", source);
		printf("err code(%d) (%s)\n", unalz.GetLastErr(), unalz.GetLastErrStr());
		return 0;
	}

	printf("\nExtract %s to %s\n", source, destpath);


	// callback ÇÔ¼ö ¼¼ÆÃ
	unalz.SetCallback(UnAlzCallback, (void*)NULL);
	if(unalz.ExtractAll(destpath)==FALSE)
	{
		printf("extract %s to %s failed.\n", source, destpath);
		printf("err code(%d) (%s)\n", unalz.GetLastErr(), unalz.GetLastErrStr());
	}
	printf("\ndone..\n");

	return 0;
}