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package br.uefs.ecomp.Game.GraphicInterface;

import br.uefs.ecomp.Game.facade.GameFacade;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.Label;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.FileNotFoundException;
import java.util.Iterator;
import javax.swing.*;
import javax.swing.filechooser.FileNameExtensionFilter;

/**
 *
 * @author dcandrade
 */
public class MainInterface {

    private static GameFacade gf;
    private JFrame windows;
    private JPanel mainPanel;
    JComboBox originCombo;
    JComboBox destinyCombo;

    public MainInterface() {
        gf = new GameFacade();
    }

    public static void main(String[] args) {
        new MainInterface().createScreen();
    }

    private void createScreen() {
        prepareWindows();
        prepareMainPanel();
        prepareButtonLoad();
        showWindows();
        prepareOriginCombo(gf.getSpots());
        prepareDestinyCombo(gf.getSpots());
    }

    private void prepareWindows() {
        windows = new JFrame("CGoes no Mundo da Fantasia");
        windows.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }

    private void prepareMainPanel() {
        mainPanel = new JPanel();
        mainPanel.setLayout(new BorderLayout());
        windows.add(mainPanel);
    }

    private void prepareButtonLoad() {
        JButton buttonLoad = new JButton("Carregar arquivo");
        buttonLoad.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                JFileChooser chooser = new JFileChooser();
                chooser.setFileFilter(new FileNameExtensionFilter("Apenas txt", "txt"));
                if (chooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) {
                    try {
                        gf.importSettingsFile(chooser.getSelectedFile().getAbsolutePath());
                        prepareOriginCombo(gf.getSpots());
                        prepareDestinyCombo(gf.getSpots());
                        JOptionPane.showMessageDialog(null, "Arquivo Carregado");
                    } catch (FileNotFoundException ex) {
                        JOptionPane.showMessageDialog(null, "Nao foi possivel ler o arquivo");
                    }
                }
            }
        });

        mainPanel.add(buttonLoad, BorderLayout.SOUTH);
    }

    private void prepareOriginCombo(Iterator spots) {
        if (originCombo == null) {
            JPanel originPanel = new JPanel(new GridLayout(1, 2));
            originPanel.add(new Label("Escolha a origem"));
            originCombo = new JComboBox();
            originPanel.add(originCombo);
            originCombo.addItem("Vazio!");
            JPanel secondPanel = new JPanel();
            secondPanel.setLayout(new BorderLayout());
            secondPanel.add(originPanel, BorderLayout.NORTH);
            mainPanel.add(secondPanel, BorderLayout.WEST);
            originCombo.setSize(70, 30);
        } else {
            originCombo.removeItem("Vazio!");
        }
        while (spots.hasNext()) {
            originCombo.addItem(spots.next().toString());
        }
    }

    private void prepareDestinyCombo(Iterator spots) {
        if (destinyCombo == null) {
            JPanel destinyPanel = new JPanel(new GridLayout(1, 2));
            destinyPanel.add(new Label("Escolha o destino"));
            destinyCombo = new JComboBox();
            destinyPanel.add(destinyCombo);
            destinyCombo.addItem("Vazio!");
            JPanel secondPanel = new JPanel();
            secondPanel.setLayout(new BorderLayout());
            secondPanel.add(destinyPanel, BorderLayout.NORTH);
            mainPanel.add(secondPanel, BorderLayout.EAST);
            destinyCombo.setSize(70, 30);
            destinyCombo.updateUI();
        } else {
            destinyCombo.removeItem("Vazio!");
        }
        while (spots.hasNext()) {
            destinyCombo.addItem(spots.next().toString());
        }

    }

    private void showWindows() {
        windows.pack();
        windows.setSize(540, 540);
        windows.setVisible(true);
    }

}