/*
 * AmazonServices.java
 *
 */

package myamazonclient;

import java.util.Vector;
import java.awt.*;
import javax.swing.*;

public class AmazonServices extends javax.swing.JFrame {
    
    /** Creates new form AmazonServices */
    public AmazonServices() {
        initComponents();
        screenNumber =0;
        showScreen();
        
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    private void initComponents() {//GEN-BEGIN:initComponents
        buttonsPanel = new javax.swing.JPanel();
        backButton = new javax.swing.JButton();
        nextButton = new javax.swing.JButton();
        lablePanel = new javax.swing.JPanel();
        screenLable = new javax.swing.JLabel();

        setTitle("Amazon Web Services Client.");
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent evt) {
                exitForm(evt);
            }
        });

        buttonsPanel.setLayout(new java.awt.FlowLayout(java.awt.FlowLayout.RIGHT));

        backButton.setText("Back");
        backButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                backButtonActionPerformed(evt);
            }
        });

        buttonsPanel.add(backButton);

        nextButton.setText("Next");
        nextButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                nextButtonActionPerformed(evt);
            }
        });

        buttonsPanel.add(nextButton);

        getContentPane().add(buttonsPanel, java.awt.BorderLayout.SOUTH);

        lablePanel.setLayout(new java.awt.FlowLayout(java.awt.FlowLayout.LEFT, 20, 10));

        screenLable.setFont(new java.awt.Font("Lucida Console", 1, 14));
        screenLable.setForeground(new java.awt.Color(0, 102, 255));
        screenLable.setHorizontalAlignment(javax.swing.SwingConstants.LEFT);
        screenLable.setText("Java Book Shelf");
        screenLable.setVerticalAlignment(javax.swing.SwingConstants.BOTTOM);
        lablePanel.add(screenLable);

        getContentPane().add(lablePanel, java.awt.BorderLayout.NORTH);

        pack();
    }//GEN-END:initComponents
    
    private void backButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_backButtonActionPerformed
        // Add your handling code here:
        --screenNumber;
        
        this.showScreen();
    }//GEN-LAST:event_backButtonActionPerformed
    
    private void showScreen() {
        if (screenNumber <= 0 ) {
            backButton.setEnabled(false);
            screenNumber = 0;
        }
        if (screenNumber >= 2 ){
            nextButton.setEnabled(false);
            screenNumber=2;
        }
        myamazonclient.AmazonProxy amp = new AmazonProxy();
        switch(screenNumber) {
           
            case 0:
                backButton.setEnabled(false);
                
                cp = new CategoryPanel();
                
                
                
                if (bdp!= null){
                    getContentPane().remove(bdp);
                }
                
                getContentPane().add(cp,BorderLayout.CENTER);
                getContentPane().paintAll(getContentPane().getGraphics());
                // bookName=cp.getSelectedBookName();
                
                nextButton.setEnabled(true);
                break;
            case 1:
                backButton.setEnabled(true);
                
                
                bdp = new BooksDetailsPanel();
                
                bdp.showContents(amp.getBookNames(bookName),amp.getImageURL());
                 reviewItems = bdp.getReviewItems();
                 
                 bookReviews = amp.getBookReviews();
                 
                
                if(cp != null) {
                    getContentPane().remove(cp);
                }
                if (erp != null) {
                    getContentPane().remove(erp);
                }
                
                getContentPane().add(bdp,BorderLayout.CENTER);
                getContentPane().paintAll(getContentPane().getGraphics());
                nextButton.setEnabled(true);
                break;
                
            case 2:
                if(bdp != null) {
                   
                    getContentPane().remove(bdp);
                 }
                backButton.setEnabled(true);
                
                erp = new EditorialReviewPanel();
                
                erp.showReviews(bookReviews,reviewItems);
                getContentPane().add(erp);
               
                nextButton.setEnabled(false);
                getContentPane().paintAll(getContentPane().getGraphics());
                break;
            default:
                break;
                
        }
    }
    private void nextButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_nextButtonActionPerformed
        // Add your handling code here:
        ++screenNumber;
        this.showScreen();
        
    }//GEN-LAST:event_nextButtonActionPerformed
    
    /** Exit the Application */
    private void exitForm(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_exitForm
        System.exit(0);
    }//GEN-LAST:event_exitForm
    
    private Dimension getScreenSize() {
        return Toolkit.getDefaultToolkit().getScreenSize();
    }
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        AmazonServices as = new AmazonServices();
        as.setSize(as.getScreenSize().width/2,as.getScreenSize().height/2);
        //as.pack();
        as.show();
    }
    private BooksDetailsPanel bdp;
    private CategoryPanel cp;
    private EditorialReviewPanel erp;
    private int screenNumber;
    public static  String bookName;
     private String[] bookReviews;
    private boolean[] reviewItems;
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JLabel screenLable;
    private javax.swing.JButton backButton;
    private javax.swing.JPanel lablePanel;
    private javax.swing.JButton nextButton;
    private javax.swing.JPanel buttonsPanel;
    // End of variables declaration//GEN-END:variables
    
}