/*
 * Authors: Xiangfu Liu <xiangfu.z@gmail.com>
 *
 * 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
 * 3 of the License, or (at your option) any later version.
 */

#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <unistd.h>
#include <string.h>
#include "inflash_version.h"
#include "command_line.h"
#include "ingenic_usb.h"
#include "ingenic_cfg.h"

extern struct ingenic_dev ingenic_dev;
extern struct hand hand;

static void help(void)
{
	printf("Usage: inflash [options] ...(must run as root)\n"
	       "  -h --help\t\t\tPrint this help message\n"
	       "  -v --version\t\t\tPrint the version number\n"
	       "  -c --command\t\t\tDirect run the command\n\n"
	       "  <run without options to enter commands via inflash prompt>\n\n"
	       "Report bugs to <xiangfu.z@gmail.com>.\n"
		);
}

static void print_version(void)
{
	printf("inflash version: %s\n", INFLASH_VERSION);
}

static struct option opts[] = {
	{ "help", 0, 0, 'h' },
	{ "version", 0, 0, 'v' },
	{ "command", 1, 0, 'c' },
	{ 0, 0, 0, 0 }
};

int main(int argc, char **argv)
{
	int command = 0;
	char *cptr;
	char com_buf[256] = {0};

	printf("\n inflash - Ingenic XBurst USB Boot Utility"
	       "\n (c) 2009 Ingenic Semiconductor Inc., Qi Hardware Inc., Xiangfu Liu, Marek Lindner"
	       "\n This program is Free Software and comes with ABSOLUTELY NO WARRANTY."
               "\n\n");

	while(1) {
		int c, option_index = 0;
		c = getopt_long(argc, argv, "hvc:", opts,
				&option_index);
		if (c == -1)
			break;

		switch (c) {
		case 'h':
			help();
			exit(EXIT_SUCCESS);
		case 'v':
			print_version();
			exit(EXIT_SUCCESS);
		case 'c':
			command = 1;
			strcpy(com_buf, optarg);
			break;
		default:
			help();
			exit(2);
		}
	}

	if ((getuid()) || (getgid())) {
		fprintf(stderr, "Error - you must be root to run '%s'\n", argv[0]);
		return EXIT_FAILURE;
	}

	if (usb_ingenic_init(&ingenic_dev) < 1)
	 	return EXIT_FAILURE;

	if (parse_configure(&hand, CONFIG_FILE_PATH) < 1)
		return EXIT_FAILURE;

	if (command) {		/* direct run command */
		command_handle(com_buf);
		printf("\n");
		goto out;
	}

	while (1) {
		printf("\n inflash :> ");
		cptr = fgets(com_buf, 256, stdin);
		if (cptr == NULL) 
			continue;

		if (command_handle(com_buf) == -1 )
			break;
	}

out:
	usb_ingenic_cleanup(&ingenic_dev);
	return EXIT_SUCCESS;
}