package com.googlecode.lanterna.gui2.dialogs;

import com.googlecode.lanterna.TerminalSize;
import com.googlecode.lanterna.gui2.LocalizedString;

import java.io.File;

/**
 * Dialog builder for the {@code FileDialog} class, use this to create instances of that class and to customize
 * them
 * @author Martin
 */
public class FileDialogBuilder extends AbstractDialogBuilder<FileDialogBuilder, FileDialog> {

    private String actionLabel;
    private TerminalSize suggestedSize;
    private File selectedFile;
    private boolean showHiddenDirectories;

    /**
     * Default constructor
     */
    public FileDialogBuilder() {
        super("FileDialog");
        actionLabel = LocalizedString.OK.toString();
        suggestedSize = new TerminalSize(45, 10);
        showHiddenDirectories = false;
        selectedFile = null;
    }

    @Override
    protected FileDialog buildDialog() {
        return new FileDialog(title, description, actionLabel, suggestedSize, showHiddenDirectories, selectedFile);
    }

    /**
     * Defines the label to be but on the confirmation button (default: "ok"). You probably want to set this to
     * {@code LocalizedString.Save.toString()} or {@code LocalizedString.Open.toString()}
     * @param actionLabel Label to put on the confirmation button
     * @return Itself
     */
    public FileDialogBuilder setActionLabel(String actionLabel) {
        this.actionLabel = actionLabel;
        return this;
    }

    /**
     * Returns the label on the confirmation button
     * @return Label on the confirmation button
     */
    public String getActionLabel() {
        return actionLabel;
    }

    /**
     * Sets the suggested size for the file dialog, it won't have exactly this size but roughly. Default suggested size
     * is 45x10.
     * @param suggestedSize Suggested size for the file dialog
     * @return Itself
     */
    public FileDialogBuilder setSuggestedSize(TerminalSize suggestedSize) {
        this.suggestedSize = suggestedSize;
        return this;
    }

    /**
     * Returns the suggested size for the file dialog
     * @return Suggested size for the file dialog
     */
    public TerminalSize getSuggestedSize() {
        return suggestedSize;
    }

    /**
     * Sets the file that is initially selected in the dialog
     * @param selectedFile File that is initially selected in the dialog
     * @return Itself
     */
    public FileDialogBuilder setSelectedFile(File selectedFile) {
        this.selectedFile = selectedFile;
        return this;
    }

    /**
     * Returns the file that is initially selected in the dialog
     * @return File that is initially selected in the dialog
     */
    public File getSelectedFile() {
        return selectedFile;
    }

    /**
     * Sets if hidden files and directories should be visible in the dialog (default: {@code false}
     * @param showHiddenDirectories If {@code true} then hidden files and directories will be visible
     */
    public void setShowHiddenDirectories(boolean showHiddenDirectories) {
        this.showHiddenDirectories = showHiddenDirectories;
    }

    /**
     * Checks if hidden files and directories will be visible in the dialog
     * @return If {@code true} then hidden files and directories will be visible
     */
    public boolean isShowHiddenDirectories() {
        return showHiddenDirectories;
    }

    @Override
    protected FileDialogBuilder self() {
        return this;
    }
}