package ui.view;

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.FlowLayout;
import java.awt.event.*;
import java.io.*;
import java.util.ArrayList;

import javax.swing.DefaultListModel;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.ListModel;
import javax.swing.ListSelectionModel;
import javax.swing.border.EmptyBorder;
import javax.swing.filechooser.FileNameExtensionFilter;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.SwingConstants;

import classes.Category;
import classes.HolonElement;
import classes.HolonObject;

import javax.swing.JScrollBar;
import javax.swing.ScrollPaneConstants;

import ui.controller.Control;

public class AddObjectPopUp extends JDialog {

	private final JPanel contentPanel = new JPanel();
	private AddElementPopUp addElement;
	private JTextField objectName;
	private JTextField sourcePath;
	private ArrayList<HolonElement> hElements;
	private DefaultListModel listModel;
	private JList list;
	private String imagePath;
	private HolonObject theObject;
	private Control controller;
	private File selectedFile = null;
	private String filePath = " ";
	private String givenCategory;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		try {
			AddObjectPopUp dialog = new AddObjectPopUp();
			dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
			dialog.setVisible(true);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	/**
	 * Create the dialog.
	 */
	public AddObjectPopUp() {
		setBounds(100, 100, 450, 300);
		getContentPane().setLayout(new BorderLayout());
		contentPanel.setBorder(new EmptyBorder(5, 5, 5, 5));
		getContentPane().add(contentPanel, BorderLayout.CENTER);
		contentPanel.setLayout(null);
		hElements = new ArrayList<HolonElement>();
		this.setTitle("Add Object Menu");
		{
			JLabel lblName = new JLabel("Name:");
			lblName.setHorizontalAlignment(SwingConstants.CENTER);
			lblName.setBounds(28, 11, 76, 14);
			contentPanel.add(lblName);
		}
		{
			objectName = new JTextField();
			objectName.setBounds(135, 8, 86, 20);
			contentPanel.add(objectName);
			objectName.setColumns(10);
		}
		{
			JButton btnBrowseImage = new JButton("Browse Image");
			btnBrowseImage.setBounds(10, 50, 112, 23);
			contentPanel.add(btnBrowseImage);
			btnBrowseImage.addMouseListener(new MouseAdapter() {
				public void mouseClicked(MouseEvent e) {
					fileChooser();
				}
			});

		}
		{
			sourcePath = new JTextField();
			sourcePath.setBounds(135, 51, 271, 20);
			contentPanel.add(sourcePath);
			sourcePath.setColumns(10);
		}
		{
			JButton btnAddDefaultElement = new JButton("Add Default Element");
			btnAddDefaultElement.addActionListener(new ActionListener() {
				public void actionPerformed(ActionEvent arg0) {
					addElement = new AddElementPopUp();
					addElement.setVisible(true);
					HolonElement hl = addElement.getElement();
					addElement(hl);
				}
			});

			btnAddDefaultElement.setBounds(262, 95, 144, 23);
			contentPanel.add(btnAddDefaultElement);
		}
		{
			JScrollPane scrollPane = new JScrollPane();
			scrollPane.setBounds(10, 84, 236, 133);
			contentPanel.add(scrollPane);
			{

				listModel = new DefaultListModel();
				HolonElement hel = new HolonElement("Test", 100, 5);
				String name = hel.getEleName();
				for (int i = 0; i < 11; i++) {
					hel.setEleName(name + i);
					addElement(hel);
				}
				list = new JList(listModel);
				scrollPane.setViewportView(list);
			}
		}
		{
			JButton btnNewButton = new JButton("Delete Default Element");
			btnNewButton.addActionListener(new ActionListener() {
				public void actionPerformed(ActionEvent e) {
					int selectedIndex = list.getSelectedIndex();
					if (selectedIndex != -1) {
						listModel.remove(selectedIndex);
						hElements.remove(selectedIndex);
					}
				}
			});
			btnNewButton.setBounds(262, 129, 144, 23);
			contentPanel.add(btnNewButton);
		}

		{
			JPanel buttonPane = new JPanel();
			buttonPane.setLayout(new FlowLayout(FlowLayout.RIGHT));
			getContentPane().add(buttonPane, BorderLayout.SOUTH);
			{
				JButton okButton = new JButton("OK");
				okButton.addMouseListener(new MouseAdapter() {
					public void mouseClicked(MouseEvent e) {
						Component frame = null;
						if (!sourcePath.getText().equals(filePath)) {
							//JOptionPane.showMessageDialog(frame, "No image selected!");
						}
						if(objectName.getText().length() == 0){
							JOptionPane.showMessageDialog(frame, "please enter a name");
						}
						else {
							copieFile();
							theObject = new HolonObject(objectName.getText());
							theObject.setElements(hElements);
							theObject.setImage(imagePath);
							controller.addNewObject(controller.searchCategory(givenCategory), theObject);
							System.out.println(theObject.getImage());
							System.out.println(givenCategory);
							dispose();
						}
					}
				});
				okButton.setActionCommand("OK");
				buttonPane.add(okButton);
				getRootPane().setDefaultButton(okButton);
			}
			{
				JButton cancelButton = new JButton("Cancel");
				cancelButton.setActionCommand("Cancel");
				buttonPane.add(cancelButton);
			}
		}
	}

	public void addElement(HolonElement hl) {
		hElements.add(hl);
		listModel.addElement(hl.getAmount() + "x: " + hl.getEleName() + " " + hl.getEnergy() + "U");
	}

	protected void fileChooser() {
		// TODO Auto-generated method stub
		JFileChooser FileChooser = new JFileChooser();
		FileNameExtensionFilter filter = new FileNameExtensionFilter("png, jpg or jpeg", "png", "jpg", "jpeg");
		FileChooser.setFileFilter(filter);
		int returnValue = FileChooser.showOpenDialog(null);
		if (returnValue == JFileChooser.APPROVE_OPTION) {
			selectedFile = FileChooser.getSelectedFile();
			filePath = selectedFile.getAbsolutePath();
			sourcePath.setText(filePath);
		} else {
			System.out.println("Failed to Load");
		}

	}

	protected void copieFile() {
		InputStream inStream = null;
		OutputStream outStream = null;
		try {
			File source = new File(filePath);
			File dest = new File(System.getProperty("user.dir") + "/bin/Images/", selectedFile.getName());
			imagePath = "/Images/" + selectedFile.getName() ;
			inStream = new FileInputStream(source);
			outStream = new FileOutputStream(dest);
			byte[] buffer = new byte[1024];

			int length;
			while ((length = inStream.read(buffer)) > 0) {
				outStream.write(buffer, 0, length);
			}

			if (inStream != null)
				inStream.close();
			if (outStream != null)
				outStream.close();
			System.out.println("File Copied..");
		} catch (IOException e1) {
			e1.printStackTrace();
		}
	}
	
	public HolonObject getObject(){
		return theObject;
	}
	
	public void setController(Control controller){
		this.controller = controller;
	}
	public void setCategory(String cat){
		givenCategory = cat;
	}
}