Bomi Experiment 4

/********************************************************
 *
 *  NewClass
 *  File    :  <NewClass.java>
 *  Name    :  <Bomi Kim>
 *  Date    :  <July 17, 2019>
 *  Class   :  <CSIS1400>
 *  Version :  <3>
 *
 ********************************************************/
package csis1400;

/**
 *
 * @author bomi
 */
//Program to reserve airline seats.
import java.util.Scanner;
import javax.swing.*; //add Dialog box.

public class NewClass {
    // checks customers in and assigns them a boarding pass.
    public static void main(String[] args) {
        JFrame frame = new JFrame("InoutDialong Example #1");
        JOptionPane.showMessageDialog(null,"Welcome to Bom Air. Have a safe trip!");
        JOptionPane.showMessageDialog(null,"Here are the available seats. Please enter 1 to reserve First class seats "
                + "and 2 to reserve Economy seats. Thanks,");

        //Scanner input = new Scanner( System.in );
        boolean seats[] = new boolean[20]; // array of seats.
        int FirstClass = 0; // next available first class seat.
        int Economy = 6; // next available economy seat.

        //seats = [false,false,false,false,false,false]
        //seats = 0  ,  1  ,  2  ,  3  ,  4  ,  5

        while (( FirstClass < 6) ||(Economy < 20))
        {
            int currentIndex = 0;
            int arrayLength = 20;

            /*
             * So, what if a user enters in something that isn't a number?
             *
             * We can use a try/catch:
             *
             * try{
             */

            //By putting the JOptionPane here we keep relevant code together. Which reduces our cognitive load and makes us more efficient.
            int section = Integer.parseInt(JOptionPane.showInputDialog(frame,"1: First class/ 2: Economy"));

            if (section == 1) //user chose first class.
            {
                if(FirstClass <6)
                {
                    seats[FirstClass] = true;
                    FirstClass++;
                  JOptionPane.showMessageDialog(null, "<Boarding pass. "
                          + "Seat type: First class. Seat number: #%d>\n");
                }//end if.
                else if (Economy <21)// First Class is full.
                {
                  JOptionPane.showMessageDialog(null, "<Boarding pass. "
                            + "First Class is fully booked. "
                            + "Would you like to see Economy class seats?");

                  //Use showInputPane for this bit
                  JOptionPane.showMessageDialog(null, "<Boarding pass. "
                            + "Please type 1 for Yes and 2 for No.");
                    int Choice = input.nextInt();

                    if ( Choice == 1 )
                    {
                    seats[Economy] = true;

                    JOptionPane.showMessageDialog(null,"<Boarding pass. "
                            + "Seat type: Economy class. Seat number: #%d>\n");
                    }
                    else
                    JOptionPane.showMessageDialog(null,"Next flight leaves in 3 hours");
                }// end else if.
            }//end if.

            else if ( section == 2 ) //user chose Economy.
                {
                    if ( Economy < 20)
                    {
                        seats[Economy] = true;
                        Economy++;
                    JOptionPane.showMessageDialog(null,"<Boarding pass. "
                            + "Seat type: Economy class. Seat number: #%d>\n");
                    }//end if.
                    else if ( FirstClass < 6)// Economy class is full.
                    {
                        JOptionPane.showMessageDialog(null, "Economy class is fully booked. Would you like to see First calss seats? ");
                        JOptionPane.showMessageDialog(null,"Please type 1 for Yes and 2 for No.");
                        int Choice = input.nextInt();

                        if ( Choice == 1 )
                        {
                            seats[FirstClass] = true;
                            FirstClass++;
                            JOptionPane.showMessageDialog(null,"<Boarding pass. "
                          + "Seat type: First class. Seat number: #%d>\n");
                        } //end if.
                        else
                            JOptionPane.showMessageDialog(null,"Next flight leaves in 3 hours.");
                    } // end else if.
                }//end else if.
        System.out.println();

        String dialogText = "";

        while( currentIndex < arrayLength ) {
            String seat = "";

            if(seats[currentIndex]) {
                seat = "[X]";
            }else{
                seat = "[ ]";
            }

            //[]
            //[][]

            dialogText = dialogText + seat;

            ++currentIndex;
        }

        JOptionPane.showMessageDialog(null,dialogText);

        /*
         * }
         * catch(Exception e){
         * JOptionPane.showMessageDialog(null,"Input incorrect. Try again.");
         * }
         */

    }//end while.
    JOptionPane.showMessageDialog(null,"");
    JOptionPane.showMessageDialog(null,"There is no more seat available.");
}//end method checkIn
}//end class Proj2.