#include	<stdio.h>
#include	<stdlib.h>
#include	<unistd.h>

#include	"pickfile.h"

char	*defaultPrompt[] = { "Choose a file:", "Select files:", "File name and place to save:" };

int	fd_parse_options(int	argc, char	*argv[])
{
	int		ch;
	char	*pdir = 0;

	optind = 0;
	while((ch = getopt(argc, argv, "vhd:s:p:")) != -1)
	{
		switch(ch)
		{
			case	'v':	version(stdout);			exit(-1);
			case	'h':	usage(stdout, argv[0]);		exit(-1);
			case	'p':	pickerPrompt = optarg;		break;
			case	'd':
				pdir = optarg;
				pickerMode = pickerChooseOneMode;
				break;
			case	's':
				pickerName = optarg;
				pickerMode = pickerSaveMode;
				break;
			case	'?':
			default:		usage(stderr, argv[0]);	exit(-1);
		}
	}
	if(!pdir)
		pdir = getenv("HOME");
	if(!pdir)
		pdir = "/";
	pickerDir = malloc(strlen(pdir) + 1);
	strcpy(pickerDir, pdir);
	if(!pickerFile)
	{
		pickerFile = malloc(strlen(pickerDir) + 2);
		strcpy(pickerFile, pickerDir);
		strcat(pickerFile, ".");
	}
	if(!pickerPrompt)
		pickerPrompt = defaultPrompt[pickerMode];
	if(!pickerName)
		pickerName = "untitled";
}

version(FILE	*f)
{
	fprintf(f, "yzPickFile version %s.\nCopyright Woodley Packard, 2003\n",
					VERSION_STRING);
}

usage(FILE	*f, char	*prog)
{
	fprintf(f, "usage: %s	[-v | -h] | [-d default_path] "
				"[-s default_save_name] [-p prompt]\n", prog);
}