/* genrmf maxflow input generator */

#include <stdio.h>
#include "gen_maxflow_typedef.h"
#include "genio.h"


void print_usage(void);

void main(int argc, char * argv[])
{
	network * n;
	int i, feas, quiet;
	FILE * output;
	int a, b, c1, c2;
	char comm[10][80];
	char * com1[10];
	int seed;

	output = stdout;
	a = -1;
	b = -1;
	c1 = -1;
	c2 = -1;
	seed = -1;
	
	for (i = 1; i < argc; i++){
		switch (look_up(argv[i])){
		  case 0: 
			output = fopen(argv[++i],"w");
			if (output == NULL) {
				fprintf(stderr
                    ,"genrmf: Output file %s can't be opened\n",argv[i]);
				exit(-1);
			}	
			break;
		  case 1: 
			a = atoi(argv[++i]);
			break;
		  case 2: 
			b = atoi(argv[++i]);
			break;
		  case 3: 
			c1 = atoi(argv[++i]);
			break;
		  case 4: 
			c2 = atoi(argv[++i]);
			break;
		  case 5: 
			seed = atoi(argv[++i]);
			break;
		  default:
			break;
		} 
	}

	if (a == -1 || b == -1 || c1 == -1 || c2 == -1)
	  print_usage();
	
	if (seed == -1)
	  seed = (int) time(0);
	
	srand48(seed);
	
	n = gen_rmf(a, b, c1, c2);

	sprintf(comm[0], "This file was generated by genrmf.");
	sprintf(comm[1], "The parameters are: a: %d b: %d c1: %d c2: %d"
			, a, b, c1, c2);

	com1[0] = comm[0];
	com1[1] = comm[1];
	
	print_max_format(output, n, com1, 2);

	gen_free_net(n);

	if (output != stdout)
	  fclose(output);
}
/*=================================================================*/
#define OPS_NUM 6

int look_up(char * s)
{
	char * ops[OPS_NUM] 
	  = { "-out", "-a", "-b", "-c1", "-c2", "-seed"};
	int i;
	
	for (i = 0; i < OPS_NUM; i++){
		if (strcmp(ops[i], s) == 0)
		  return i;
	} 
	return -1;
} 

void print_usage(void)
{
	printf("Usage: genrmf [-out ou [-seed seed]t_file]\n");
	printf("              -a frame_size -b depth\n");
	printf("              -c1 cap_range1 -c2 cap_range2\n");
	exit(0);
}