#include <random>
#include <iostream>

#include <cholmod.h>

#include "randutils/randutils.hpp"

#include <graph.hpp>
#include <network.hpp>
#include <hooks.hpp>
#include "measurements.hpp"

#include <csignal>
#include <cstring>
#include <atomic>

std::atomic<bool> quit(false);    // signal flag

void got_signal(int) {
    quit.store(true);
}

int main(int argc, char* argv[]) {
  struct sigaction sa;
  memset( &sa, 0, sizeof(sa) );
  sa.sa_handler = got_signal;
  sigfillset(&sa.sa_mask);
  sigaction(SIGINT, &sa, NULL);

  int opt;

  unsigned int N = 1;
  unsigned int L = 16;
  double  beta = 0.5;

  while ((opt = getopt(argc, argv, "N:L:b:")) != -1) {
    switch (opt) {
      case 'N':
        N = (unsigned int)atof(optarg);
        break;
      case 'L':
        L = atoi(optarg);
        break;
      case 'b':
        beta = atof(optarg);
        break;
      default:
        exit(1);
    }
  }

  cholmod_common c;
  CHOL_F(start)(&c);

  graph G(L);
  network base_network(G, &c);
  ma meas(L, beta);

  randutils::auto_seed_128 seeds;
  std::mt19937 rng{seeds};

  for (unsigned int trial = 0; trial < N; trial++) {
    network tmp_network(base_network);
    tmp_network.set_thresholds(beta, rng);
    tmp_network.fracture(meas);

    if (quit.load())
      break;
  }

  CHOL_F(finish)(&c);

  return 0;
}