/*
Input 3 integers, which are sides of triangles
and determines the type of triangle it is
Types: Isoceles, Equilateral, Scalene, not valid.
If it is a valid triangle, print the area and the perimeter.
the program will then repeat for another sent of sides, until a 0 is entered.
*/

import java.util.Scanner;

public class Triangle1 {

    public static void main(String[] args) {

        int perimeter = 0;
        double area = 0;
        int Side1 = 0;
        int Side2 = 0;
        int Side3 = 0;



        Scanner input = new Scanner(System.in);

System.out.println("Hello, This is a program that will ask you to input the sides of a triangle");
System.out.println("if the sides are valid, area, perimeter and type of the triangle will be displayed");
System.out.println("Enter 0 to stop the program");

/* if 0 is entered the program will stop getting sides and output the area and perimeter and the type of triangle */


while (((Side1 > 0)) && ((Side2 > 0)) && ((Side3 > 0))) {
    System.out.println("Enter triangle side1");
        Side1 = input.nextInt();


if (Side1 > 0) {
    System.out.println("Enter triangle side2");
        Side2 = input.nextInt();



if (Side2 > 0) {
    System.out.println("Enter triangle side3");
        Side3 = input.nextInt();

if (Side3 > 0) {

getPeri(Side1, Side2, Side3);

getArea(Side1, Side2, Side3);

getType(Side1, Side2, Side3);


}
}
}
}
}

// Calculates and displays the perimeter
static void getPeri(int Side1, int Side2, int Side3) {
    perimeter = (Side1 + Side2 + Side3);
    System.out.println("The triangle perimeter is: " + perimeter);
    }



// Calculates and display the area
// area of a triangle = 1/2 * B * H

static void getArea(int Side1, int Side2, int Side3) {

    double s  = 0.0;
    double Num = 0.0;

    s = 0.5*(Side1+Side2+Side3);
    Num = s*((s-Side1)*(s-Side2)*(s-Side3));

    area = Math.sqrt(Num);
         System.out.println("The Area of the triangle is: " + area);
}


/* Using an if statement to compare each sides of the triangle
If all sides are equal, Triangle is an Equilateral.
If 2 sides are equal the Triangle is a Isoceles.
If no sides are equal the Triangle is a Scalene.
*/




static void getType(int Side1, int Side2, int Side3) {

if ((Side1 == Side2) && (Side == Side3)); {
    System.out.println("Equilateral Triangle"); }

if (Side1 == Side2); {
    System.out.println("Isoceles Triangle"); }

if (Side2 == Side3); {
    System.out.println("Isoceles Triangle"); }

if (Side1 == Side3); {
    System.out.println("Isoceles Triangle"); }

if (Side1 != Side2); {
    System.out.println("Scalene Triangle");
}


}
}