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import javax.swing.JOptionPane;




public class conversionTool1{


  /**
	*   Main routine runs a loop that shows the menu, get the user's
	*   choice, and responds.
	*/
 public static String getUserChoice(){
  String input;  int inputInInteger;
  input=JOptionPane.showInputDialog(null,  "1-   Convert from Celsius to Fahrenheit\n"+
			 "2-   Convert from Fahrenheit to Celsius\n"+
				   "3-   Convert from Feet to Meter\n"+
							"4-   Convert from Meter to feet\n"+
				   "5-   Convert from Kilogram to Pound\n"+
				   "6-   Convert from Pound to Kilogram\n"+
				   "7-   Convert from Milliseconds to hours, minutes and seconds\n"+
				   "8-   Convert from hours, minutes and seconds to Milliseconds\n"+
				   "9-   Convert Range\n"+
				   "10-  Quit\n"+
				   "Enter your choice:","Conversion Menu", JOptionPane.QUESTION_MESSAGE);

  return input;
 }

 public static void main(String[] args) {

  int menuChoice;	// The number of the option that the user
						 //   selects from the menu.
	  double celsius;	// The Celsius temperature measurement.
	  double fahrenheit; // The Fahrenheit temperature measurement.
	  double feet;	   // The Feet tempreture measurement.
	  double meter;	   // The Meter tempreture measurement .	
   double Kilogram;	// The Meter tempreture measurement.
   double pound;		// The Meter tempreture measurement.
   long millis;		 
  final int IN_HOUR;
  final int IN_MINUTE;
  final int IN_SECOND;


	while (true) {

		 System.out.println();
		 while(getUserChoice()!="10"){
		 System.out.print("Enter the number your choice (1, 2, or 3):  ");
		 menuChoice = TextIO.getlnInt();

		 if (menuChoice == 1) {
			   // Convert Fahrenheit to Celsius.
			System.out.print("\nEnter temperature in degrees Fahrenheit: ");
			fahrenheit = TextIO.getlnDouble();
			celsius = fahrenheitToCelsius(fahrenheit);
			System.out.println(fahrenheit + " degrees Fahrenheit is "
									 + celsius + " degrees Celsius");
		 }
		 else if (menuChoice == 2) {
			   // Convert Celsius to Fahrenheit.
			System.out.print("\nEnter temperature in degrees Celsius: ");
			celsius = TextIO.getlnDouble();
			fahrenheit = celsiusToFahrenheit(celsius);
			System.out.println(celsius + " degrees Celsius is "
									 + fahrenheit + " degrees Fahrenheit");
		 }
		 else if (menuChoice == 3) {
		  // Convert Feet to Meters.
			System.out.print("\nEnter lenght in Feet: ");
			feet = TextIO.getlnDouble();
			meter = feetToMeter(feet);
			System.out.println(feet + " Feet length is " + meter + " Meter lenght");

		 }

			  else if (menuChoice == 4) {
		  // Convert Meters to Feet. 
			System.out.print("\nEnter lenght in Meter: ");
			meter = TextIO.getlnDouble();
			feet = meterToFeet(meter);
			System.out.println(meter + " meter length is " + feet + " feet length");

			 }

			else if (menuChoice == 5) {
		  // Convert Kilogram to Pound. 
			System.out.print("\nEnter Weight in kilogram: ");
			Kilogram = TextIO.getlnDouble();
			pound = kgToPound (Kilogram);
			System.out.println(Kilogram + " weight in Kilogram " + pound + " weight in pound");

			 }
			else if (menuChoice==8){
			 public static long convertTimetoMillis(int hours, int minutes, int seconds){
			  final int IN_HOUR=3600000;
			  final int IN_MINUTE=60000;
			  final int IN_SECOND=1000;
			  return((long)(hours*IN_HOUR)+(minutes*IN_MINUTE)+(seconds*IN_SECOND));
			 }// end of T->M
			}


			 else if (menuChoice == 6) {
		  // Convert Pound to Kilogram. 
			System.out.print("\nEnter Weight in kilogram: ");
			pound = TextIO.getlnDouble();
			Kilogram = kgToPound (pound);
			System.out.println(pound + " weight in pound " + Kilogram + " weight in Kilogram");

			 }

			else if (menuChoice == 7) {
			   // exit from while loop and end program
			break; 
		 }
		 else {
			System.out.println("Sorry, " + menuChoice + " is not a valid option.");
			System.out.println("Please try again.");
			System.out.println();
		 }

		  } // end while

	  System.out.println("\nOK.  Exiting from program.\n");


   } // end main()


public static double celsiusToFahrenheit(double celsius) {		
	// To convert Celsius to Fahrenheit, multiply by 1.8 and add 32 degrees. 
	double fahrenheit = celsius * 1.8 + 32;
	return fahrenheit;
}

public static double fahrenheitTocelsius(double fahrenheit) {
	// To convert Fahrenheit to Celsius, subtract 32 degrees and divide by 1.8.		 
	double celsius = (fahrenheit - 32) / 1.8;
	return celsius;
}

public static double feetToMeter(double feet) {
	// 1 foot = 0.3048 meters		
	double meter = feet * 0.3048;
	return meter;
}

public static double meterToFeet(double meter) {
	// 1 meter = 3.2808399 feet
	double feet = meter * 3.2808;
	return feet;
}

public static double kgToPound(double Kilogram) {
	// 1 kilogram = 2.20462262 pounds
	double pound = Kilogram * 2.2046;
	return pound;
}

public static double poundTokg(double pound) {
	// 1 pound = 0.45359237 kilograms	
	double Kilogram = pound * 0.4536;
	return Kilogram;
}


public static String convertMillisToTime(long millis)
{
	int milliseconds = (int)(millis % 1000);
	int seconds = (int)((millis/1000) % 60);
	int hours = (int)((millis/3600000) % 24);
	String millisecondsStr = (milliseconds<10 ? "00" : (milliseconds<100 ? "0" : ""))+milliseconds;
	String secondsStr = (seconds<10 ? "0" : "")+seconds;
	String hoursStr = (hours<10 ? "0" : "")+hours;
	return new String(hoursStr+":"+secondsStr+"."+millisecondsStr);
}

public static long convertTimetoMillis(int hours, int minutes, int seconds){

 return((long)(hours*3600000)+(minutes*60000)+(seconds*1000));
}// end of T->M

public static void convertRange(int startingValue, int endingValue, int incrementStep, String conversionMethodName){
if(conversionMethodName.equalsIgnoreCase("celsiusToFahrenheit")){
System.out.println("Celsius"+"\t"+"Fahrenheit");
for (int step = startingValue; step <= endingValue; step += incrementStep) {
System.out.println(step+"\t"+celsiusToFahrenheit(step));
}
} 

else if(conversionMethodName.equalsIgnoreCase("fahrenheitTocelsius")){
System.out.println("Fahrenheit"+"\t"+"Celsius");
for (int step = startingValue; step <= endingValue; step += incrementStep) { 
System.out.println(step+"\t"+fahrenheitTocelsius(step));
}
}


if(conversionMethodName.equalsIgnoreCase("feetToMeter")){
System.out.println("feet"+"\t"+"meter");
for (int step = startingValue; step <= endingValue; step += incrementStep) {
System.out.println(step+"\t"+feetToMeter(step));
}
}

if(conversionMethodName.equalsIgnoreCase("meterToFeet")){
System.out.println("meter"+"\t"+"feet");
for (int step = startingValue; step <= endingValue; step += incrementStep) {
System.out.println(step+"\t"+meterToFeet(step));
}
}


if(conversionMethodName.equalsIgnoreCase("kgToPound")){
System.out.println("Kilogram"+"\t"+"pound");
for (int step = startingValue; step <= endingValue; step += incrementStep) {
System.out.println(step+"\t"+kgToPound(step));
}
}

if(conversionMethodName.equalsIgnoreCase("poundTokg")){
System.out.println("pound"+"\t"+"Kilogram");
for (int step = startingValue; step <= endingValue; step += incrementStep) {
System.out.println(step+"\t"+poundTokg(step));
}
}

if(conversionMethodName.equalsIgnoreCase("convertMillisToTime")){
System.out.println("millis"+"\t"+"millisecond"+"\t"+"seconds"+"\t"+"hours");
for (int step = startingValue; step <= endingValue; step += incrementStep) {
System.out.println(step+"\t"+convertMillisToTime(step));
}
}

if(conversionMethodName.equalsIgnoreCase("convertTimetoMillis")){
System.out.println("hours"+"\t"+"minutes"+"\t"+"seconds"+"\t"+"millis");
for (int step = startingValue; step <= endingValue; step += incrementStep) {
System.out.println(step+"\t"+convertTimetoMillis(step));
}
}