/* C++ Classes and Objects - Example Program */

#include<iostream.h>
#include<conio.h>
#include<string.h>
class TIME
{
	int hrs, mins, secs;
	char suf[4];
	public:
		int totsecs;
		void gettime(int h, int m, int s)
		{
			hrs=h;
			mins=m;
			secs=s;
			totsecs=(hrs*60)+(mins*60)+secs;
			strcpy(suf, "Hrs");
		}
		void puttime(void)
		{
			cout<<"Time is: "<<hrs<<":"<<mins<<":"<<secs<<" "<<suf<<"\n";
		}
		char *getsuf()
		{
			return suf;
		}
		void convert(TIME &t, char ch);
		void sum(TIME &t1, TIME &t2);
		int gethrs()
		{
			return hrs;
		}
		int getmins()
		{
			return mins;
		}
		int getsecs()
		{
			return secs;
		}
};
void TIME::convert(TIME &t, char ch)
{
	switch(ch)
	{
		case 'h':
			if(strcmp(t.suf, "Hrs")!=0)
			{
				t.hrs=(strcmp(t.suf, "am")==0)?t.hrs:t.hrs+12;
				strcpy(t.suf,"Hrs");
			}
			cout<<"Time in hours is: "<<t.hrs<<":"<<t.mins<<":"<<t.secs<<" "<<t.suf<<"\n";
			break;
		case 'p':
			if(strcmp(t.suf,"Hrs")==0)
			{
				(t.hrs>12)?strcpy(t.suf,"pm"):strcpy(t.suf,"am");
				t.hrs=((t.hrs>12)?(t.hrs-12):t.hrs);
			}
			cout<<"Time in am/pm is: "<<t.hrs<<":"<<t.mins<<":"<<t.secs<<" "<<t.suf<<"\n";
			break;
		default:
			cout<<"Wrong choice..!!";
			break;
	}
}
void TIME::sum(TIME &t1, TIME &t2)
{
	int h, m, s, sq, mq;
	if(strcmp(t1.getsuf(),"pm")==0)
	{
		convert(t1,'h');
	}
	if(strcmp(t2.getsuf(),"pm")==0)
	{
		convert(t2,'h');
	}
	sq=(t1.secs+t2.secs)/60;
	s=(t1.secs+t2.secs)%60;
	mq=(sq+t1.mins+t2.mins)/60;
	m=(sq+t1.mins+t2.mins)%60;
	h=mq+t1.hrs+t2.hrs;
	if(h==24) h=0;
		cout<<"Total time is: "<<h<<":"<<m<<":"<<s<<"Hrs\n";
}
void prnvalues(TIME &t1)
{
	cout<<"hrs:"<<t1.gethrs()<<"\n";
	cout<<"mins:"<<t1.getmins()<<"\n";
	cout<<"secs:"<<t1.getsecs()<<"\n";
	cout<<"Total secs:"<<t1.totsecs<<"\n";
}
void main()
{
	clrscr();
	TIME tm1, tm2;
	char ch;
	tm1.gettime(15,13,27);
	tm2.gettime(7,48,38);
	cout<<"Enter h to convert in hours format, or p for am/pm format: ";
	cin>>ch;
	cout<<"Converted times are:\n";
	cout<<"Time 1: ";
	tm1.convert(tm1,ch);
	cout<<"Time 2: ";
	tm2.convert(tm2,ch);
	tm1.sum(tm1, tm2);
	prnvalues(tm2);
	getch();
}