/// @file
/// @brief Task A
/// gcc -g -fsanitize=address -std=c11 taskA.c -Imodules -o taskA
/// ./taskA -opt1 10 -opt2 1.5 -opt3 X -opt4 lab5

#include "iue-po/cpo.h" // iuepo_get_*

#include <stdio.h>  // printf
#include <stdlib.h> // EXIT_SUCCESS, EXIT_FAILURE

/// @todo Implement a main function supporting the following command line arguments:
///   -opt1  integer (required)
///   -opt2  double  (required)
///   -opt3  char    (optional, default is 'A')
///   -opt4  string  (optional, default is "empty")
int main(int argc, char* argv[]) {

  /// @todo Parse the command line arguments according to the specification above:
  ///  - have a look at modules/iue-io/cpo.test.h (you can use this as a starting point)
  ///  - If mandatory arguments are missing or cannot be parsed, the program aborts with an error.
  /// @todo Print all passed command line arguments to the console

  int opt1;
  if (iuepo_get_int(argc, argv, "opt1", &opt1, IUEPO_REQUIRED) != EXIT_SUCCESS)
    return EXIT_FAILURE;

  double opt2;
  if (iuepo_get_double(argc, argv, "opt2", &opt2, IUEPO_REQUIRED) != EXIT_SUCCESS)
    return EXIT_FAILURE;

  char opt3 = 'A';
  if (iuepo_get_char(argc, argv, "opt3", &opt3, IUEPO_OPTIONAL) != EXIT_SUCCESS)
    return EXIT_FAILURE;

  char opt4[256] = "empty";
  if (iuepo_get_string(argc, argv, "opt4", opt4, sizeof(opt4), IUEPO_OPTIONAL) != EXIT_SUCCESS)
    return EXIT_FAILURE;

  printf("'%i'\n", opt1);
  printf("'%lf'\n", opt2);
  printf("'%c'\n", opt3);
  printf("'%s'\n", opt4);

  return EXIT_SUCCESS;
}