package net.knarcraft.serverlauncher.userinterface;

import net.knarcraft.serverlauncher.server.Server;
import net.knarcraft.serverlauncher.server.ServerType;

import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

/**
 * Contains all buttons for configuring a server
 * Does some visual stuff by itself, but otherwise reads boxes and stuff
 *
 * @author      Kristian Knarvik <kristian.knarvik@knett.no>
 * @version     0.0.0.1
 * @since       0.0.0.1
 */
public class ServerTab implements ActionListener {
    private final JComboBox<String> serverTypes, serverVersions, maxRam;
    private final JCheckBox chckbxEnabled;
    private final JButton btnRemoveServer, btnBrowse;
    private final JTextField directory;

    public ServerTab(String name) {
        JPanel panel = new JPanel();
        GUI.getGUI().getPane().addTab(name, null, panel, null);
        SpringLayout sl_panel_3 = new SpringLayout();
        panel.setLayout(sl_panel_3);

        JLabel lblServerType = new JLabel("Server type");
        sl_panel_3.putConstraint(SpringLayout.NORTH, lblServerType, 10, SpringLayout.NORTH, panel);
        sl_panel_3.putConstraint(SpringLayout.WEST, lblServerType, 10, SpringLayout.WEST, panel);
        sl_panel_3.putConstraint(SpringLayout.SOUTH, lblServerType, 30, SpringLayout.NORTH, panel);
        panel.add(lblServerType);

        serverTypes = new JComboBox<>(ServerType.getTypeNames());
        sl_panel_3.putConstraint(SpringLayout.NORTH, serverTypes, 10, SpringLayout.NORTH, panel);
        sl_panel_3.putConstraint(SpringLayout.WEST, serverTypes, 16, SpringLayout.EAST, lblServerType);
        panel.add(serverTypes);
        serverTypes.addActionListener(this);

        JLabel lblServerVersion = new JLabel("Server version");
        sl_panel_3.putConstraint(SpringLayout.NORTH, lblServerVersion, 6, SpringLayout.SOUTH, lblServerType);
        sl_panel_3.putConstraint(SpringLayout.WEST, lblServerVersion, 10, SpringLayout.WEST, panel);
        sl_panel_3.putConstraint(SpringLayout.SOUTH, lblServerVersion, 26, SpringLayout.SOUTH, lblServerType);
        panel.add(lblServerVersion);

        serverVersions = new JComboBox<>(ServerType.getServerTypes().get(0).getVersions());
        sl_panel_3.putConstraint(SpringLayout.NORTH, serverVersions, 6, SpringLayout.SOUTH, serverTypes);
        sl_panel_3.putConstraint(SpringLayout.WEST, serverVersions, 0, SpringLayout.WEST, serverTypes);
        panel.add(serverVersions);
        serverVersions.addActionListener(this);

        JLabel lblMaxRam = new JLabel("Max ram");
        sl_panel_3.putConstraint(SpringLayout.EAST, serverTypes, -13, SpringLayout.WEST, lblMaxRam);
        sl_panel_3.putConstraint(SpringLayout.NORTH, lblMaxRam, 10, SpringLayout.NORTH, panel);
        sl_panel_3.putConstraint(SpringLayout.SOUTH, lblMaxRam, -92, SpringLayout.SOUTH, panel);
        sl_panel_3.putConstraint(SpringLayout.EAST, lblMaxRam, -111, SpringLayout.EAST, panel);
        panel.add(lblMaxRam);

        maxRam = new JComboBox<>(Server.getRamList());
        sl_panel_3.putConstraint(SpringLayout.NORTH, maxRam, 10, SpringLayout.NORTH, panel);
        sl_panel_3.putConstraint(SpringLayout.WEST, maxRam, 6, SpringLayout.EAST, lblMaxRam);
        sl_panel_3.putConstraint(SpringLayout.EAST, maxRam, 86, SpringLayout.EAST, lblMaxRam);
        panel.add(maxRam);
        maxRam.addActionListener(this);

        chckbxEnabled = new JCheckBox("Enabled");
        sl_panel_3.putConstraint(SpringLayout.NORTH, chckbxEnabled, 6, SpringLayout.SOUTH, lblServerVersion);
        sl_panel_3.putConstraint(SpringLayout.EAST, chckbxEnabled, 0, SpringLayout.EAST, lblServerType);
        panel.add(chckbxEnabled);
        chckbxEnabled.addActionListener(this);

        btnRemoveServer = new JButton("Remove server");
        sl_panel_3.putConstraint(SpringLayout.NORTH, btnRemoveServer, 5, SpringLayout.SOUTH, lblMaxRam);
        sl_panel_3.putConstraint(SpringLayout.SOUTH, btnRemoveServer, -64, SpringLayout.SOUTH, panel);
        sl_panel_3.putConstraint(SpringLayout.SOUTH, maxRam, -5, SpringLayout.NORTH, btnRemoveServer);
        sl_panel_3.putConstraint(SpringLayout.EAST, serverVersions, -13, SpringLayout.WEST, btnRemoveServer);
        sl_panel_3.putConstraint(SpringLayout.WEST, btnRemoveServer, 239, SpringLayout.WEST, panel);
        sl_panel_3.putConstraint(SpringLayout.EAST, btnRemoveServer, 0, SpringLayout.EAST, maxRam);
        panel.add(btnRemoveServer);
        btnRemoveServer.addActionListener(this);

        JLabel lblDirectory = new JLabel("Directory");
        sl_panel_3.putConstraint(SpringLayout.NORTH, lblDirectory, 1, SpringLayout.NORTH, chckbxEnabled);
        sl_panel_3.putConstraint(SpringLayout.SOUTH, lblDirectory, 0, SpringLayout.SOUTH, chckbxEnabled);
        panel.add(lblDirectory);

        directory = new JTextField();
        sl_panel_3.putConstraint(SpringLayout.NORTH, directory, 4, SpringLayout.SOUTH, btnRemoveServer);
        sl_panel_3.putConstraint(SpringLayout.SOUTH, directory, -37, SpringLayout.SOUTH, panel);
        sl_panel_3.putConstraint(SpringLayout.EAST, lblDirectory, -6, SpringLayout.WEST, directory);
        sl_panel_3.putConstraint(SpringLayout.WEST, directory, 130, SpringLayout.WEST, panel);
        panel.add(directory);
        directory.setColumns(10);
        directory.addActionListener(this);

        btnBrowse = new JButton("Browse");
        sl_panel_3.putConstraint(SpringLayout.EAST, directory, -6, SpringLayout.WEST, btnBrowse);
        sl_panel_3.putConstraint(SpringLayout.NORTH, btnBrowse, 3, SpringLayout.SOUTH, btnRemoveServer);
        sl_panel_3.putConstraint(SpringLayout.WEST, btnBrowse, 293, SpringLayout.WEST, panel);
        sl_panel_3.putConstraint(SpringLayout.EAST, btnBrowse, 0, SpringLayout.EAST, maxRam);
        panel.add(btnBrowse);
        btnBrowse.addActionListener(this);
    }

    public String getPath() {
        return this.directory.getText();
    }

    public String getMaxRam() {
        Object selected = this.maxRam.getSelectedItem();
        if (selected != null) {
            return selected.toString();
        } else {
            return "512M";
        }
    }

    public String getType() {
        Object selected = this.serverTypes.getSelectedItem();
        if (selected != null) {
            return selected.toString();
        } else {
            return "Vanilla";
        }
    }

    public String getVersion() {
        Object selected = this.serverVersions.getSelectedItem();
        if (selected != null) {
            return selected.toString();
        } else {
            return "Vanilla";
        }
    }

    public boolean enabled() {
        return this.chckbxEnabled.isSelected();
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        if (e.getSource() == btnRemoveServer) {
            GUI.getGUI().removeServer(this);
        } else if (e.getSource() == btnBrowse) {
            JFileChooser chooser = new JFileChooser();
            chooser.setCurrentDirectory(new java.io.File("/"));
            chooser.setDialogTitle("Backup folder");
            chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
            chooser.setAcceptAllFileFilterUsed(false);
            if (chooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) {
                directory.setText(chooser.getSelectedFile().toString());
            }
        } else if (e.getSource() == serverTypes) {
            serverVersions.removeAllItems();
            String selectedserverTypes = null;
            Object selectedType = serverTypes.getSelectedItem();
            if (selectedType != null) {
                selectedserverTypes = selectedType.toString();
            }
            if (selectedserverTypes != null) {
                if (selectedserverTypes.equals("Custom")) {
                    serverVersions.setEditable(true);
                } else {
                    serverVersions.setEditable(false);
                    ServerType current = null;
                    for (ServerType servertype : ServerType.getServerTypes()) {
                        if (servertype.getName().equals(selectedserverTypes)) {
                            current = servertype;
                        }
                    }
                    if (current != null) {
                        for (String version : current.getVersions()) {
                            serverVersions.addItem(version);
                        }
                    }
                }
            }
        }
    }
}