//Class describing a watch

#ifndef DMCGRATH_WATCH_H
#define DMCGRATH_WATCH_H

#include <string>
#include <sstream>
#include <ctime>
#include <cstdlib>
using namespace std;

static const string days[] = {"Sunday", "Monday", "Tuesday", "Wednesday", 
	"Thursday", "Friday", "Saturday"};
static const string months[] = {"January", "February", "March", "April", "May", 
	"June", "July", "August", "September", "October", "December"};

class Watch{
private:
	//keep track of all parts separately
	int hours;
	int seconds;
	int minutes;
	int year;
	int day;
	bool hours24;
	//store as an int, index into array
	int month;
	int day_of_week;
	//time in seconds since 00:00:00 1 January 1970
	time_t epoch;
	int day_of_year;
	float timezone; //offset from UTC

	//any helper functions should go here as well
	void populate_values(tm* gmt){
		//see man 3 gmtime for a description of the tm struct
		
		this->hours = gmt->tm_hour;
		this->minutes = gmt->tm_min;
		this->seconds = gmt->tm_sec;
		this->day = gmt->tm_mday;
		this->month = gmt->tm_mon; 
		
		//tm_year is stored as year - 1900, so adjust back up
		this->year = gmt->tm_year + 1900; 
		this->day_of_week = gmt->tm_wday;
		this->day_of_year = gmt->tm_yday;
		this->hours24 = true;
	}

	
	
public:
	Watch(){
		//see man 3 gmtime
		tm* gmt;                                                                                          
		this->epoch = time(NULL);                                                                  
		gmt = gmtime(&epoch);                                                                             
		
		//call helper function to set all the data members
		populate_values(gmt);
		
		//assume they are in EST as the default
		timezone = -5;
	}
	
	Watch(int hours, int minutes, int seconds, int day, int month, int year){
		this->hours = hours;
		this->minutes = minutes;
		this->seconds = seconds;
		this->timezone = -5; //assume they are in EST as default
		this->day = day;
		this->month = month;
		this->year = year;
	}
	
	Watch(int hours, int minutes, int seconds, int day, int month, int year, 
		  int offset){
		this->hours = hours;
		this->minutes = minutes;
		this->seconds = seconds;
		this->timezone = offset;
		this->day = day;
		this->month = month;
		this->year = year;
	}
	
	~Watch(){
		//do nothing for now
	}
	
	//accessors
	string get_time(){
		string time;
		stringstream ss;
		string m = "";
		
		this->hours += this->timezone;
		
		if (!this->hours24){
			if (this->hours > 12){
				hours -= 12;
				m = " pm";
			} else m = " am";
		}
		
		if (this->hours < 10) ss << "0";
		ss << this->hours << ":";
		if (this->minutes < 10) ss << "0";
		ss << this->minutes << ":";
		if (this->seconds < 10) ss << "0";
		ss << this->seconds << m;
		ss >> time;
			
		return time;
	}

	
	float get_timezone(){
		return this->timezone;
	}
	int get_hours(){
		return this->hours;
	}
	int get_minutes(){
		return this->minutes;
	}
	int get_seconds(){
		return this->seconds;
	}
	string get_month(){
		return months[this->month];
	}
	string get_day_of_week(){
		return days[this->day];
	}
	int get_day_of_year(){
		return this->day_of_year;
	}
	int get_day_of_month(){
		return this->day;
	}
	string get_date(){
		stringstream ss;
		ss << days[day_of_week] << ", "
		<< day << " " << months[month] << " " << year + 1900;
		string date;
		ss >> date;
		return date;
	}
	
	//mutators

	bool set_time(int hours, int minutes, int seconds){
		this->hours = hours;
		this->minutes = minutes;
		this->seconds = seconds;
	}
	
	bool set_time(int hours, int minutes){
		this->hours = hours;
		this->minutes = minutes;
	}

	bool set_timezone(float offset){
		this->timezone = offset;
	}

	
};



#endif