//-------------- main.cpp --------------

#include <iostream>      // for cout, cin
#include "timer.h"    // for our Timer and Display classes

using namespace std;

void timerInput(Timer& t, const char* label);
void tick(Timer& t, const char* which, int howMany);
void showTimers(const Timer& t1, const Timer& t2);

int main()
{
   Timer t1;           // Create and initialize a Timer object named "t1."
   Timer t2(12, 57);

   cout << "Here are the initial value of the timers: \n";
   showTimers(t1, t2);

   timerInput(t1, "first");
   timerInput(t2, "second");
   showTimers(t1, t2);

   // Testing add()
   cout << "The two timers added together = ";
   t1.add(t2).show();
   cout << "\n\n";

   // Testing increment()
   int num;

   cout << "How many minutes should we advance the timers? ";
   cin >> num;
   tick(t1, "first", num);
   tick(t2, "second", num);

   return 0;

}


void timerInput(Timer& t, const char* label)
{
      int h, m;
      bool success;

      do
      {
         cout << "Enter hours for " << label << " timer: ";
         cin >> h;
         cout << "Enter minutes for " << label << " timer: ";
         cin >> m;
         success = t.set(h,m);

         if (!success)
           cout << "Invalid timer values. Try again.\n";

      } while (!success);

      cout << '\n';
}

void tick(Timer& t, const char* which, int howMany)
{
   cout << "Incrementing " << which << " timer by " 
			   << howMany << " minutes\n";
   cout << "Initial timer value = ";
   t.show();
   cout << '\n';

   for (int i = 0; i < howMany; i++)
   {
      t.increment();
      t.show();
      cout << '\n';
   }

} 

void showTimers(const Timer& t1, const Timer& t2)
{
   cout << "t1 = ";
   t1.show();
   cout << "\n";

   cout << "t2 = ";
   t2.show();
   cout << "\n\n";
}