package de.ph87.kindermalen;

import de.ph87.kindermalen.toolbox.ToolboxPanel;
import de.ph87.kindermalen.toolbox.tool.Tool;
import de.ph87.kindermalen.toolbox.tool.ToolPanel;
import de.ph87.kindermalen.toolbox.tool.stamp.StampPanel;
import de.ph87.kindermalen.toolbox.tool.stamp.StampTool;

import javax.swing.*;
import java.awt.*;

import static de.ph87.kindermalen.CONFIG.SIDEBAR_WIDTH;
import static de.ph87.kindermalen.util.MyGridBagConstraints.GBC;
import static java.awt.GridBagConstraints.HORIZONTAL;
import static java.awt.GridBagConstraints.NONE;

public class Sidebar extends MyComponent {

  private ToolPanel toolPanel = null;

  public Sidebar(final Environment environment) {
    setPreferredSize(new Dimension(SIDEBAR_WIDTH, 0));
    setLayout(new GridBagLayout());

    int row = 0;
    addNewDrawingButton(environment, row++);
    addToolboxPanel(environment, row++);

    setBackground(Color.yellow);
  }

  private void addNewDrawingButton(final Environment environment, int row) {
    final JButton button = new JButton("Neues Bild");
    button.setPreferredSize(new Dimension(SIDEBAR_WIDTH, 40));
    add(button, GBC(0, row, 1, 0, HORIZONTAL));
    ComponentListener.on(button).mouseClicked(environment::newDrawing);
  }

  private void addToolboxPanel(final Environment environment, int row) {
    final ToolboxPanel panel = new ToolboxPanel(environment.getToolbox());
    add(panel, GBC(0, row, 1, 0, HORIZONTAL));
    subscribe(environment.getToolbox().getOnSelect(), this::onToolSelected);
  }

  private void onToolSelected(final Tool tool) {
    if (toolPanel != null) {
      toolPanel.destruct();
      remove(toolPanel);
      toolPanel = null;
    }

    if (tool instanceof StampTool) {
      toolPanel = new StampPanel((StampTool) tool);
    }

    if (toolPanel != null) {
      add(toolPanel, GBC(0, 2, 0, 0, NONE));
      toolPanel.setVisible(true);
    }

    revalidate();
    repaint();
  }

}