package two;

import java.util.Scanner;

public class MenuProgram {

    public static void main(String[] args) {
        // TODO Auto-generated method stub

        for (int i = 0; i < 80; i++) {
            System.out.print("=");
        }
        System.out.println("\n             FEDERATION UNIVERSITY PHONE BILL COMPARISING SYSTEM");
        System.out.println("\n Developed by Petar Petrov, student ID 30323980 for ITECH1000 Semester 1 2017 \n");
        for (int i = 0; i < 80; i++) {
            System.out.print("=");

        }

        Scanner s = new Scanner(System.in);
        int numOfCalls = 0;
        int exit = 0;
        int dataUsage = 0;
        int sms = 0;
        int totalCallSeconds = 0;
        int cents = 0;
        while (exit != 5) {
            int exit2 = 0;
            System.out.println("\n" + "MAIN MENU \n" + "Please select an option from the menu: \n"
                    + "1. Enter Usage Details \n" + "2. Display Cost Under Plan A \n"
                    + "3. Display Cost Under Plan B \n" + "4. Clear Usage Details \n" + "5. Exit System \n");

            int input = s.nextInt();
            if (input < 1 || input >= 6) {
                System.out.println("Value must be between 1 or 5. Please try again: ");
                input = s.nextInt();

            }

            switch (input) {
            case 1:
                while (exit2 != 4) {

                    System.out.println("ENTER USAGE DETAILS MENU\n" + "Please select an option from the menu:\n"
                            + "1. Phone Call\n" + "2. SMS\n" + "3. Data Usage\n" + "4. Return to main menu\n");

                    int usageInput = s.nextInt();

                    switch (usageInput) {

                    case 1:
                        System.out.println("Enter call length in seconds:");
//                        call = s.nextInt();
//                        numOfCalls = numOfCalls + 1;
//                        call = call + numOfCalls;
//                        while (call < 0 && call != 0) {
//                            System.out.println("Value must be positive. Please try again:");
//                            call = s.nextInt();
//                        }
                        break;
                    case 2:
                        System.out.println("SMS: ");
                        sms = s.nextInt();
                        System.out.println("\nTotal number of messages so far = " + sms);
                        break;
                    case 3:
                        System.out.println("Enter the amount of data in MB: ");
                        dataUsage = s.nextInt();
                        while (dataUsage < 0 && dataUsage != 0) {
                            System.out.println("Value must be positive. Please try again:");
                            dataUsage = s.nextInt();
                        }
                        break;
                    default:
                        System.out.println("Return to main menu\n" + (exit2 = 4));
                        break;
                    }
                }

                break;

            case 2:

                System.out.println("Cost under Plan A");
                for (int i = 0; i < 38; i++) {
                    System.out.print("=");
                }

                System.out.println("\n Number of calls = " + numOfCalls + "             " + "$"
                        + (numOfCalls * 23 / 100 + "." + (numOfCalls * 23 % 100)) + "\n Total call time (secs) = "
                        + call + "     " + "$" + (call * 2 / 100) + "." + (call * 2 % 100) + "\n Number of SMS = " + sms
                        + "              " + "$" + (sms * 12 / 100) + "." + (sms * 12 % 100) + "\n Data usage (MB) = "
                        + dataUsage + "            " + "$" + (dataUsage * 3 / 100) + "." + (dataUsage * 3 % 100));
                for (int i = 0; i < 38; i++) {
                    System.out.print("=");

                }

                System.out.println("\n TOTAL COST" + "$" + (""));

                break;
            case 3:
                System.out.println("Display Cost Under Plan B");

                break;
            case 4:
                System.out.println("Clear usage details");

                break;
            case 5:
                System.out.println("Exit System");
                exit = 5;
                break;
            default:
                System.out.println("The option selected is invalid, try again");

            }
        }
    }
}