package hr.fer.linolada.artbook.gui;

import hr.fer.linolada.artbook.application.ArtBook;

import java.awt.Component;
import java.awt.Font;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;

import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;

public class Email extends JFrame {

	/**
	 *
	 */
	private static final long serialVersionUID = 1L;
	private GridBagConstraints constraints = new GridBagConstraints();
	private File attachedFile = null;

	private ArtBook myArtBook;
	private String receiver;

	public Email(ArtBook myArtBook, String receiver) {

		this.myArtBook = myArtBook;
		this.receiver = receiver;

		setLayout(new GridBagLayout());

		constraints.insets = new Insets(5, 5, 5, 5);
		this.setBounds(500, 100, 650, 550);
		this.setResizable(false);

		placeComponents();

		setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
	}

	private void placeComponents() {

		JLabel labelTo = new JLabel("To: ");
		JLabel labelSubject = new JLabel("Subject: ");

		JTextField fieldTo = new JTextField(30);
		final JTextField fieldSubject = new JTextField(30);

		JButton buttonSend = new JButton("Send");

		final JTextArea textAreaMessage = new JTextArea(10, 30);

		final JTextField filePath = new JTextField(30);

		constraints.gridx = 0;
		constraints.gridy = 0;
		labelTo.setFont(new Font(Font.SERIF, Font.BOLD, 16));
		add(labelTo, constraints);

		constraints.gridx = 1;
		constraints.fill = GridBagConstraints.HORIZONTAL;
		add(fieldTo, constraints);

		constraints.gridx = 0;
		constraints.gridy = 1;
		labelSubject.setFont(new Font(Font.SERIF, Font.BOLD, 16));
		add(labelSubject, constraints);

		constraints.gridx = 1;
		constraints.fill = GridBagConstraints.HORIZONTAL;
		add(fieldSubject, constraints);

		constraints.gridx = 2;
		constraints.gridy = 0;
		constraints.gridheight = 2;
		constraints.fill = GridBagConstraints.BOTH;

		buttonSend.setFont(new Font(Font.SERIF, Font.BOLD, 16));
		add(buttonSend, constraints);

		buttonSend.addActionListener(new ActionListener() {

			@Override
			public void actionPerformed(ActionEvent e) {
				String subject = fieldSubject.getText();
				String message = textAreaMessage.getText();
				myArtBook.sendEmailTo(receiver, subject, message, attachedFile);

			}
		});

		constraints.gridx = 0;
		constraints.gridy = 2;
		constraints.gridheight = 1;
		constraints.gridwidth = 1;

		final JFileChooser fileChooser = new JFileChooser("Attach File...");
		JButton filePicker = new JButton("Attach file... ");
		filePicker.setFont(new Font(Font.SERIF, Font.BOLD, 16));

		filePicker.addActionListener(new ActionListener() {

			@Override
			public void actionPerformed(ActionEvent e) {
				int returnVal = fileChooser.showOpenDialog((Component) e
						.getSource());
				if (returnVal == JFileChooser.APPROVE_OPTION) {
					File file = fileChooser.getSelectedFile();
					try {

						filePath.setText(file.getPath());
						attachedFile = file;
					} catch (Exception ex) {
						System.out.println("problem accessing file"
								+ file.getAbsolutePath());
					}
				} else {
					System.out.println("File access cancelled by user.");
					attachedFile = null;
				}
			}
		});

		add(filePicker, constraints);

		constraints.gridx = 1;
		constraints.gridwidth = 2;
		constraints.gridheight = 1;
		// constraints.fill = GridBagConstraints.HORIZONTAL;

		add(filePath, constraints);

		constraints.gridwidth = 3;
		constraints.gridx = 0;
		constraints.gridy = 3;
		constraints.weightx = 1.0;
		constraints.weighty = 1.0;
		textAreaMessage.setBorder(BorderFactory.createBevelBorder(1));
		add(new JScrollPane(textAreaMessage), constraints);
	}

	public void messageSent(Boolean sent) {
		if (sent) {
			JOptionPane.showMessageDialog(null, "Poruka je uspješno poslana!");
		} else {
			JOptionPane.showMessageDialog(null,
					"Poruka nije uspješno poslana!", "Error",
					JOptionPane.ERROR_MESSAGE);
		}
	}

}