//
// Time
//

#include <iostream>
#include <string>

#include "Time.h"

// pre - output stream, other time
// post - print other time
ostream & operator<<(ostream & out, const Time & other)
	{out << other.hours << ":" ; if(other.minutes < 10) out << "0" ; out <<  other.minutes << " " << other.ampm ; return out ; }

// pre - none
// post - set to 12:01 am
Time:: Time() {hours = 12 ; minutes = 01 ; ampm = "AM" ;}

// pre - none
// post - set valid hours, minutes, am/pm
Time::Time(int hours, int minutes, string ampm)
	{if(hours < 1 || hours > 12) hours = 1 ; this->hours = hours ;
	 if(minutes < 0 || minutes > 59) minutes = 0 ; this->minutes = minutes ;
	 if(ampm != "AM" && ampm != "PM") ampm = "AM" ; this->ampm = ampm ;}

// pre - other time exists
// post - set this time to other
Time::Time(const Time & other)
	{if(other.hours < 1 || other.hours > 12) this->hours = 1 ; else this->hours = other.hours ;
	 if(other.minutes < 0 || other.minutes > 59) this->minutes = 0 ; else this->minutes = other.minutes ;
	 if(other.ampm != "AM" && other.ampm != "PM") this->ampm = "AM" ; else this->ampm = other.ampm ;}

// pre - time in string format
// post - set this time to string time
Time::Time(string tmp){ // must be in format H:MM XM or HH:MM XM
	if(tmp[1] == ':'){
		this->hours = atoi(tmp.substr(0, 1).c_str()) ;
		this->minutes = atoi(tmp.substr(2,2).c_str()) ;
		this->ampm = tmp.substr(5,2) ;}
	else if(tmp[2] == ':'){
		this->hours = atoi(tmp.substr(0, 2).c_str()) ;
		this->minutes = atoi(tmp.substr(3,2).c_str()) ;
		this->ampm = tmp.substr(6,2) ;}
	else{	// poor format
		this->hours = 12 ; this->minutes = 1 ; this->ampm = "AM" ;}
}

// pre - other time exists
// post - compare this to other
bool Time::operator==(const Time & other) const
	{return this->hours == other.hours && this->minutes == other.minutes && this->ampm == other.ampm ;}

// pre - other time exists
// post - compare this to other
bool Time::operator!=(const Time & other) const
	{return !(this->hours == other.hours && this->minutes == other.minutes && this->ampm == other.ampm ) ;}

// pre - other time exists
// post - compare this to other
bool Time::operator<(const Time & other) const
	{if(this->ampm == other.ampm)
		if(this->hours == other.hours) 
			return this->minutes < other.minutes ;
	 	else
			return this->hours < other.hours ;
	 else
		return this->ampm == "AM" ;
}

// pre - other time exists
// post - compare this to other
bool Time::operator<=(const Time & other) const
	{if(this->ampm == other.ampm)
		if(this->hours == other.hours) 
			return this->minutes <= other.minutes ;
	 	else
			return this->hours < other.hours ;
	 else
		return this->ampm == "AM" ;
}

// pre - other time exists
// post - compare this to other
bool Time::operator>(const Time & other) const
	{if(this->ampm == other.ampm)
		if(this->hours == other.hours) 
			return this->minutes > other.minutes ;
	 	else
			return this->hours > other.hours ;
	 else
		return this->ampm == "PM" ;
}


// pre - other time exists
// post - compare this to other
bool Time::operator>=(const Time & other) const
	{if(this->ampm == other.ampm)
		if(this->hours == other.hours) 
			return this->minutes >= other.minutes ;
	 	else
			return this->hours > other.hours ;
	 else
		return this->ampm == "PM" ;
}