#include <stdio.h>

#include "ampl/ampl_c.h"

int main() {
  // Create an AMPL instance
  AMPL* ampl;
  AMPL_CALL(AMPL_Create(&ampl));

  /*
  // If the AMPL installation directory is not in the system search path:
  AMPL_ENVIRONMENT *env;
  AMPL_EnvironmentCreate(&env, "full path to the AMPL installation directory", "");
  AMPL_CALL(AMPL_CreateWithEnv(&ampl, env));
  */

  // Get the value of the option presolve and print
  bool exists;
  bool presolve = false;
  AMPL_CALL(AMPL_GetBoolOption(ampl, "presolve", &exists, &presolve));
  int s;
#ifdef FMT_GCC_VERSION
  s = FMT_GCC_VERSION;
#else
  s = -1;
#endif
  printf("AMPL presolve is %s\n", presolve ? "true" : "false");
  printf("FMT_GCC_VERSION = %d\n", s);
  // Set the value to false (maps to 0)
  AMPL_CALL(AMPL_SetBoolOption(ampl, "presolve", false));

  // Get the value of the option presolve and print
  AMPL_CALL(AMPL_GetBoolOption(ampl, "presolve", &exists, &presolve));
  printf("AMPL presolve is now %s\n", presolve ? "true" : "false");

  // Check whether an option with a specified name
  // exists
  char *value;
  AMPL_CALL(AMPL_GetOption(ampl, "solver", &exists, &value));
  if (exists) {
    printf("Option solver exists and has value: %s\n", value);
  }
  AMPL_StringFree(&value);

  // Check again, this time failing
  AMPL_CALL(AMPL_GetOption(ampl, "s_o_l_v_e_r", &exists, &value));

  if (!exists) {
    printf("Option s_o_l_v_e_r does not exists!\n");
  }
  AMPL_StringFree(&value);

  //AMPL_EnvironmentFree(&env);
  AMPL_Free(&ampl);

  return 0;
}