import java.util.Scanner;

public static double packageA = 9.95; // Package A price for a monthly subscription and before exceeding 10 hours
                                        // of service
public static double packageAJ = 2.00; // price for every hour pass 10 for package A
public static double packageB = 13.95;// Package B price for a monthly subscription and before exceeding 20 hours
                                        // of service
public static double packageBJ = 1.00; // price for every hour pass 20 for package B
public static double packageC = 19.95;
public static Scanner input = new Scanner(System.in); // declares scanner as "Input"

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

    System.out
            .println("Welcome to your internet payment sitenPlease choose your packet :n" + "[Enter -1 to quit]"); // Welcoming
                                                                                                                        // prompt

    System.out.printf("%s%n%s%n%s%n%s%n%s", "[a] - Package A", "[b] - Package B", "[c] - Package C",
            "[f] - enter f to end the program", "Enter response here: "); // print format for the package options
    String userChoice = input.nextLine(); /// the choice that the user picks gets stored in the userChoice String

    /*
     * this switch statement compares the choice of the user and associates it with
     * the correct case. Note that there is two cases with the same choice letter
     * "A" & "a", "B" "b" and so on. This is to ensure that no matter if the user
     * inputs an Upper-case or Lower-case as their answer, there wont be any issues
     * and the correct case would be run by the compiler
     */
    switch (userChoice) {

    case "A":
        myFunctionA(); // Performs the function corresponding to package A
                        // compareFunction(userChoice, packageA);

        break;
    case "a":
        myFunctionA(); // Performs the function corresponding to package A
                        // compareFunction(userChoice, packageA);
        break;
    case "B":
        myFunctionB(); // Performs the function corresponding to Package B
                        // compareFunction(userChoice, packageA);
        break;
    case "b":
        myFunctionB(); // Performs the function corresponding to Package B
                        // compareFunction(userChoice, packageA);
        break;

    case "C":
        myFunctionC(); // Performs the function corresponding to Package C
        break;
    case "c":
        myFunctionC(); // Performs the function corresponding to Package c
    case "F":
        System.exit(0); // ends the program .. just like with using a sentinel value
        break;
    case "f":
        System.exit(0); // ends the program .. just like with using a sentinel value

    }

}

/*
 * myfunctionA and myFunctionB hold two if statements inside their bodies. One
 * of the if statements is perform only when the user has not exceeded their
 * service time. The second If statement is only perform if the user exceeds his
 * use time.
 */

public static void myFunctionA() {

    System.out.println("Enter ammount of hours use of service: "); // Prompts the user
    double userInput = input.nextDouble(); // saves the user input into the variable userInput

    double Hours = userInput; // the number of hours the user, used the service for gets stored here
    double extendedHours = 0; // this variable is where the extended hours get store. for example, every hour
                                // after 10 hours of service gets store here
    double regularHours = 10; // this variable holds the value of regular hours of service

    if (Hours <= 10) {

        System.out.println("Your total amount due is " + packageA);
    }

    else if (Hours > 10)

    {

        extendedHours = Hours - regularHours; // obtains amount of Extra hours use by the client.
        double extendedHours2 = extendedHours * 2; // calculates the total due after multiplying the extended hours
                                                    // by 2
        double totalAmountDue = extendedHours2 + packageA; // calculates the total amount due

        System.out.println("Since you Extended your use time by " + extendedHours + " Your total amount due is "
                + totalAmountDue);
    }

}

public static void myFunctionB() {

    System.out.println("Enter ammount of hours use of service: ");
    double userInput = input.nextDouble();

    double extendedHours = 0;
    double regularHours = 20;
    double Hours = userInput;

    if (Hours < 20) {

        System.out.println("Your total amount due is " + packageB);

    } else if (Hours > 26) {

        extendedHours = Hours - regularHours; // obtains amount of Extra hours use by the client.
        double extendedHours2 = extendedHours * 1; // calculates the total due after multiplying the extended hours
                                                    // by 1
        double totalAmountDue = extendedHours + packageB; // calculates the total amount due
        double totalSave1 = totalAmountDue - packageC;

        System.out.println("Since you Extended your use time by " + extendedHours + " Your total ammount due is "
                + totalAmountDue);

        System.out.println(
                "With an internet use of 26 or more hours of service, Package C  would be a better plan in helping you save "
                        + totalSave1 + " a month");
    }

}

/*
 * myFunctionC outputs the price of regular monthly use.
 */

public static void myFunctionC() {

    System.out.println("Your ammount due for the month is: " + packageC);
}