/*
** Name:      test.cxx
** Author:    Leo Liberti
** Purpose:   main implementation calling complex numbers class methods
** Source:    GNU C++
** History:   061019 work started
              120124 revision - presented to X09 students
*/

#include<iostream>
#include<string>
#include "complex.h"

int main(int argc, char** argv) {
  using namespace std;
  if (argc < 4) {
    cerr << "need an operation on command line" << endl;
    cerr << "  e.g. ./test 4.3+3i * 2+3.1i" << endl;
    cerr << "  (no spaces within each complex number, use spaces to\n";
    cerr << "   separate the operands and the operator - use arithmetic\n";
    cerr << "   operators only)" << endl;
    exit(1);
  }
  string complexString1 = argv[1];
  string complexString2 = argv[3];
  Complex complex1;
  complex1.fromString(complexString1);
  Complex complex2;
  complex2.fromString(complexString2);

  Complex complex3;
  if (argv[2][0] == '+') {
    complex3 = complex1 + complex2;
  } else if (argv[2][0] == '-') {
    complex3 = complex1 - complex2;
  } else if (argv[2][0] == '*') {
    complex3 = complex1 * complex2;
  } else if (argv[2][0] == '/') {
    complex3 = complex1 / complex2;
  }
  cout << complex1 << " " << argv[2][0] << " (" << complex2 << ") = "
       << complex3 << endl;
  return 0;
}