//-----------------------------------------------------------------------------
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// Flasher frontend tool
//-----------------------------------------------------------------------------

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <pthread.h>
#include "util_posix.h"
#include "proxmark3.h"
#include "util.h"
#include "flash.h"
#include "comms.h"
#include "usb_cmd.h"

#define MAX_FILES 4

void cmd_debug(UsbCommand* c) {
	//  Debug
	printf("UsbCommand length[len=%zd]\n", sizeof(UsbCommand));
	printf("  cmd[len=%zd]: %016" PRIx64"\n", sizeof(c->cmd), c->cmd);
	printf(" arg0[len=%zd]: %016" PRIx64"\n", sizeof(c->arg[0]), c->arg[0]);
	printf(" arg1[len=%zd]: %016" PRIx64"\n", sizeof(c->arg[1]), c->arg[1]);
	printf(" arg2[len=%zd]: %016" PRIx64"\n", sizeof(c->arg[2]), c->arg[2]);
	printf(" data[len=%zd]: ", sizeof(c->d.asBytes));

	for (size_t i=0; i<16; i++)
		printf("%02x", c->d.asBytes[i]);

	printf("...\n");
}

static void usage(char *argv0) {
	fprintf(stdout, "Usage:   %s <port> [-b] image.elf [image.elf...]\n\n", argv0);
	fprintf(stdout, "\t-b\tEnable flashing of bootloader area (DANGEROUS)\n\n");
	fprintf(stdout, "\nExample:\n\n\t %s "SERIAL_PORT_H" armsrc/obj/fullimage.elf\n", argv0);
#ifdef __linux__	
	fprintf(stdout, "\nNote (Linux): if the flasher gets stuck in 'Waiting for Proxmark to reappear on <DEVICE>',\n");
	fprintf(stdout, "              you need to blacklist proxmark for modem-manager - see wiki for more details:\n\n");
	fprintf(stdout, "              https://github.com/Proxmark/proxmark3/wiki/Gentoo Linux\n\n");
	fprintf(stdout, "              https://github.com/Proxmark/proxmark3/wiki/Ubuntu Linux\n\n");
	fprintf(stdout, "              https://github.com/Proxmark/proxmark3/wiki/OSX\n\n");
#endif	
}

int main(int argc, char **argv) {
	int can_write_bl = 0;
	int num_files = 0;
	int res;
	flash_file_t files[MAX_FILES];

	memset(files, 0, sizeof(files));

	if (argc < 3) {
		usage(argv[0]);
		return -1;
	}

	for (int i = 2; i < argc; i++) {
		if (argv[i][0] == '-') {
			if (!strcmp(argv[i], "-b")) {
				can_write_bl = 1;
			} else {
				usage(argv[0]);
				return -1;
			}
		} else {
			res = flash_load(&files[num_files], argv[i], can_write_bl);
			if (res < 0)
				return -1;

			fprintf(stderr, "\n");
			num_files++;
		}
	}
	
	char* serial_port_name = argv[1];

	if (!OpenProxmark(serial_port_name, true, 60, true)) {
		fprintf(stderr, "Could not find Proxmark on " _RED_(%s) ".\n\n", serial_port_name);
		return -1;
	} else {
		fprintf(stderr, _GREEN_(Found) "\n");
	}

	res = flash_start_flashing(can_write_bl, serial_port_name);
	if (res < 0)
		return -1;

	fprintf(stdout, "\n" _BLUE_(Flashing...)"\n");

	for (int i = 0; i < num_files; i++) {
		res = flash_write(&files[i]);
		if (res < 0)
			return -1;
		flash_free(&files[i]);
		fprintf(stdout, "\n");
	}

	fprintf(stdout, _BLUE_(Resetting hardware...) "\n");

	res = flash_stop_flashing();
	if (res < 0)
		return -1;

	CloseProxmark();

	fprintf(stdout, _BLUE_(All done.) "\n\nHave a nice day!\n");
	return 0;
}