Task47

import java.util.Scanner;

public class Task47java {

    public static void main(String[] args) {
        System.out.println("Ïðîãðàììà òðåóãîëüíèê");
        Triangle triangle = triangleCreating();

        menuPrint();
        menuChoice(console(), triangle);

    }

    public static Triangle triangleCreating() {

        Triangle triangle = new Triangle();
        System.out.println("Ââåäèòå çíà÷åíèÿ êîîðäèíàò òî÷åê òðåóãîëüíèêà");
        System.out.println("Ax = ");
        triangle.setAx(console());
        System.out.println("Ay = ");
        triangle.setAy(console());
        System.out.println("Bx = ");
        triangle.setBx(console());
        System.out.println("By = ");
        triangle.setBy(console());
        System.out.println("Cx = ");
        triangle.setCx(console());
        System.out.println("Cy = ");
        triangle.setCy(console());
        return triangle;

    }

    // ïðîâåðêà ââåäåííîãî çíà÷åíèÿ int
    public static int console() {

        String str;

        @SuppressWarnings("resource")
        Scanner sc = new Scanner(System.in);

        while (!sc.hasNextInt()) {
            str = sc.nextLine();
            System.out.println("try one more time, " + str + " it's not a Integer");
        }

        return sc.nextInt();

    }

    public static void menuPrint() {

        System.out.println("1 - Ïîëó÷èòü êîîðäèíàòû òðåóãîëüíèêà");
        System.out.println("2 - Âû÷èñëèòü ïëîùàäü òðåóãîëüíèêà");
        System.out.println("3 - Âû÷èñëèòü ïåðèìåòð òðåóãîëüíèêà");
        System.out.println("4 - Âû÷èñëèòü òî÷êó ïåðåñå÷åíèÿ ìåäèàí òðåóãîëüíèêà");
        System.out.println("5 - Çàäàòü íîâûå êîîðäèíàòû òðåóãîëüíèêà");

    }

    public static void menuChoice(int numMenu, Triangle triangle) {

        switch (numMenu) {
        case 1:
            System.out.println("Ïîëó÷åíèå çíà÷åíèé êîîðäèíàò òðåóãîëüíèêà");
            System.out.println(triangle.toString());
            menuPrint();
            menuChoice(console(), triangle);
            break;

        case 2:
            System.out.println("Âû÷èñëåíèå ïëîùàäè òðåóãîëüíèêà");
            double area = triangle.areaChecking(triangle.getAx(), triangle.getAy(), triangle.getBx(), triangle.getBy(),
                    triangle.getCx(), triangle.getCy());
            System.out.println("Area of triangle = " + area);
            menuPrint();
            menuChoice(console(), triangle);
            break;

        case 3:
            System.out.println("Âû÷èñëåíèå ïåðèìåòðà òðåóãîëüíèêà");
            double perimetr = triangle.perimetrChecking(triangle.getAx(), triangle.getAy(), triangle.getBx(), triangle.getBy(),
                    triangle.getCx(), triangle.getCy());
            System.out.println("Perimetr of triangle = " + perimetr);
            menuPrint();
            menuChoice(console(), triangle);
            break;

        case 4:
            System.out.println("Âû÷èñëåíèå òî÷êè ïåðåñå÷åíèÿ ìåäèàí òðåóãîëüíèêà");
            triangle.spotOfIntersection();
            menuPrint();
            menuChoice(console(), triangle);
            break;

        case 5:
            System.out.println("Çàäàòü íîâîå çíà÷åíèå êîîðäèíàò òðåóãîëüíèêà");
            System.out.println("Ââåäèòå çíà÷åíèÿ êîîðäèíàò òî÷åê òðåóãîëüíèêà");
            System.out.println("Ax = ");
            triangle.setAx(console());
            System.out.println("Ay = ");
            triangle.setAy(console());
            System.out.println("Bx = ");
            triangle.setBx(console());
            System.out.println("By = ");
            triangle.setBy(console());
            System.out.println("Cx = ");
            triangle.setCx(console());
            System.out.println("Cy = ");
            triangle.setCy(console());

            menuPrint();
            menuChoice(console(), triangle);
            break;

        default:
            System.out.println("Íå ïîíÿòíî!");
            menuPrint();
            menuChoice(console(), triangle);

        }
    }
}