#include	<stdio.h>
#include	<stdlib.h>
#include	<pthread.h>
#include	<sys/wait.h>
#include	<yz/window.h>

#include	"pickfile.h"

#ifndef	USE_GTK_PICKFILE
char	*get_file_path(char	*prompt, char	*path)
{
	char	*argvp[5] = {"yzpickfile", "-p", prompt, "-d", path};
	char	*argv[5];
	char	*result;
	int		i;

	for(i=0;i<5;i++)argv[i] = argvp[i];
	result = pickfile_main(5, argv);

	if(!strcmp(result, "/../cancel"))return 0;
	return result;
}
#else
/*struct async_dialog_params
{
	FILE	*pipe;
	void	(*callback)(char	*selection);
};

void	*async_open_dialog_listener(void	*arg)
{
	struct async_dialog_params	*par = arg;
	char	result[1024];

	fscanf(par->pipe, "%[^\n]", result);
	pclose(par->pipe);

	if(!strcmp(result, "/../cancel"))par->callback(0);
	else par->callback(result);
	free(par);
	return 0;
}

int		async_open_dialog(char	*prompt, char	*path, void	(*callback)(char	*selection))
{
	char		command[1024];
	FILE		*pipe;
	struct async_dialog_params	*par;
	pthread_t	pth;

	sprintf(command, "yzpickfile -p %s -d %s", prompt, path);
	pipe = popen(command, "r");
	if(!pipe)
	{
		perror("unable to open a pipe to yzPickFile");
		return -1;
	}
	par = malloc(sizeof(*par));
	par->pipe = pipe;
	par->callback = callback;
	pthread_create(&pth, 0, async_open_dialog_listener, par);
	pthread_detach(pth);
	return 0;
}*/

char	*gtk_filesel(char	*prompt, char	*pattern);

char	*get_file_path(char	*prompt, char	*path)
{
	int	pid, p[2], len, rc;
	char	*result;

	pipe(p);

	if(pid = fork())
	{
		while(waitpid(pid, &rc, WNOHANG) != pid)
			yzGetUnfilteredEvent(100);
		if(!WIFEXITED(rc) || WEXITSTATUS(rc) != 0)return 0;
		result = malloc(1024);
		len = read(p[0], result, 1023);
		close(p[0]);
		close(p[1]);
		if(len<=0)
		{
			free(result);
			fprintf(stderr, "unexpected error: gtkfile child didn't write to us\n");
			return 0;
		}
		result[len] = 0;
		return result;
	}
	else
	{
		result = gtk_filesel(prompt, path);
		if(result && result[0])
			write(p[1], result, strlen(result));
		exit(result?0:-1);
	}
}
#endif