package net.minecraft.client.gui;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.client.resources.I18n;
import net.minecraft.world.storage.ISaveFormat;
import net.minecraft.world.storage.WorldInfo;
import org.lwjgl.input.Keyboard;

@SideOnly(Side.CLIENT)
public class GuiRenameWorld extends GuiScreen
{
    private GuiScreen parentGuiScreen;
    private GuiTextField theGuiTextField;
    private final String worldName;

    public GuiRenameWorld(GuiScreen par1GuiScreen, String par2Str)
    {
        this.parentGuiScreen = par1GuiScreen;
        this.worldName = par2Str;
    }

    /**
     * Called from the main game loop to update the screen.
     */
    public void updateScreen()
    {
        this.theGuiTextField.updateCursorCounter();
    }

    /**
     * Adds the buttons (and other controls) to the screen in question.
     */
    public void initGui()
    {
        Keyboard.enableRepeatEvents(true);
        this.buttonList.clear();
        this.buttonList.add(new GuiButton(0, this.width / 2 - 100, this.height / 4 + 96 + 12, I18n.getString("selectWorld.renameButton")));
        this.buttonList.add(new GuiButton(1, this.width / 2 - 100, this.height / 4 + 120 + 12, I18n.getString("gui.cancel")));
        ISaveFormat isaveformat = this.mc.getSaveLoader();
        WorldInfo worldinfo = isaveformat.getWorldInfo(this.worldName);
        String s = worldinfo.getWorldName();
        this.theGuiTextField = new GuiTextField(this.fontRenderer, this.width / 2 - 100, 60, 200, 20);
        this.theGuiTextField.setFocused(true);
        this.theGuiTextField.setText(s);
    }

    /**
     * Called when the screen is unloaded. Used to disable keyboard repeat events
     */
    public void onGuiClosed()
    {
        Keyboard.enableRepeatEvents(false);
    }

    /**
     * Fired when a control is clicked. This is the equivalent of ActionListener.actionPerformed(ActionEvent e).
     */
    protected void actionPerformed(GuiButton par1GuiButton)
    {
        if (par1GuiButton.enabled)
        {
            if (par1GuiButton.id == 1)
            {
                this.mc.displayGuiScreen(this.parentGuiScreen);
            }
            else if (par1GuiButton.id == 0)
            {
                ISaveFormat isaveformat = this.mc.getSaveLoader();
                isaveformat.renameWorld(this.worldName, this.theGuiTextField.getText().trim());
                this.mc.displayGuiScreen(this.parentGuiScreen);
            }
        }
    }

    /**
     * Fired when a key is typed. This is the equivalent of KeyListener.keyTyped(KeyEvent e).
     */
    protected void keyTyped(char par1, int par2)
    {
        this.theGuiTextField.textboxKeyTyped(par1, par2);
        ((GuiButton)this.buttonList.get(0)).enabled = this.theGuiTextField.getText().trim().length() > 0;

        if (par2 == 28 || par2 == 156)
        {
            this.actionPerformed((GuiButton)this.buttonList.get(0));
        }
    }

    /**
     * Called when the mouse is clicked.
     */
    protected void mouseClicked(int par1, int par2, int par3)
    {
        super.mouseClicked(par1, par2, par3);
        this.theGuiTextField.mouseClicked(par1, par2, par3);
    }

    /**
     * Draws the screen and all the components in it.
     */
    public void drawScreen(int par1, int par2, float par3)
    {
        this.drawDefaultBackground();
        this.drawCenteredString(this.fontRenderer, I18n.getString("selectWorld.renameTitle"), this.width / 2, 20, 16777215);
        this.drawString(this.fontRenderer, I18n.getString("selectWorld.enterName"), this.width / 2 - 100, 47, 10526880);
        this.theGuiTextField.drawTextBox();
        super.drawScreen(par1, par2, par3);
    }
}
