import java.io.IOException;
import java.net.Proxy;
import java.util.UUID;

import org.lwjgl.input.Keyboard;

import com.mojang.authlib.Agent;
import com.mojang.authlib.exceptions.AuthenticationException;
import com.mojang.authlib.exceptions.InvalidCredentialsException;
import com.mojang.authlib.exceptions.UserMigratedException;
import com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService;
import com.mojang.authlib.yggdrasil.YggdrasilUserAuthentication;

import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.Gui;
import net.minecraft.client.gui.GuiButton;
import net.minecraft.client.gui.GuiMainMenu;
import net.minecraft.client.gui.GuiScreen;
import net.minecraft.client.gui.GuiTextField;
import net.minecraft.client.gui.ScaledResolution;
import net.minecraft.util.ResourceLocation;
import net.minecraft.util.Session;

public class AccountManager extends GuiScreen {

	boolean logged = false;
	boolean premium;
	public GuiScreen parent;
	public GuiTextField usernameBox;
	public GuiTextField passwordBox;
	public GuiTextField sessionBox;
	public static String lastusername = "";
	public static String lastpassword = "";

	public void onGuiClosed() {
		Keyboard.enableRepeatEvents(false);
	}

	protected void actionPerformed(GuiButton par1GuiButton) {
		if (par1GuiButton.id == 1) {
			if (this.usernameBox.getText().length() > 0) {
				new Thread() {
					public void run() {
						lastusername = AccountManager.this.usernameBox.getText();
						lastpassword = AccountManager.this.passwordBox.getText();
						premium = login(AccountManager.this.usernameBox.getText(),
								AccountManager.this.passwordBox.getText());
					}
				}.start();
			}
			logged = true;
		} else if (par1GuiButton.id == 2) {
			Minecraft.getMinecraft().displayGuiScreen(new GuiMainMenu());
		} else if (par1GuiButton.id == 4) {
		}
	}

	public void keyTyped(char ch, int key) {
		if (key == 1) {
			Minecraft.getMinecraft().displayGuiScreen(this.parent);
		}
		this.usernameBox.textboxKeyTyped(ch, key);
		this.passwordBox.textboxKeyTyped(ch, key);
		if (key == 15) {
			if (this.usernameBox.isFocused()) {
				this.usernameBox.setFocused(false);
				this.passwordBox.setFocused(true);
			} else {
				this.usernameBox.setFocused(true);
				this.passwordBox.setFocused(false);
			}
		}
		if (key == 28) {
			actionPerformed((GuiButton) this.buttonList.get(0));
		}
		if (key == 13) {
			actionPerformed((GuiButton) this.buttonList.get(0));
		}
		((GuiButton) this.buttonList.get(0)).enabled = (this.usernameBox.getText().length() > 3);
	}
	public void mouseClicked(int x, int y, int b) {
		this.usernameBox.mouseClicked(x, y, b);
		this.passwordBox.mouseClicked(x, y, b);
		try {
			super.mouseClicked(x, y, b);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void initGui() {
		premium = false;
		Keyboard.enableRepeatEvents(true);
		this.buttonList.add(new Darkbuttons2(1, this.width / 2 - 100, this.height / 4 + 96 + 12, "Login"));
		this.buttonList.add(new Darkbuttons2(3, this.width / 2 - 100, this.height / 4 + 96 + 36, "Generate"));
		this.buttonList.add(new Darkbuttons2(2, this.width / 2 - 100, this.height / 4 + 96 + 106, "Back"));
		this.usernameBox = new GuiTextField(3, this.mc.fontRendererObj, this.width / 2 - 100, 51, 200, 20);
		this.passwordBox = new GuiTextField(4, this.mc.fontRendererObj, this.width / 2 - 100, 91, 200, 20);
	}

	public void drawScreen(int x, int y, float f) {


		ScaledResolution scaledRes = new ScaledResolution(this.mc, mc.displayWidth, mc.displayHeight);
    	this.mc.getTextureManager().bindTexture(new ResourceLocation("Xera/Login.jpg"));
    	Gui.drawModalRectWithCustomSizedTexture(0, 0, 0.0F, 0.0F, scaledRes.getScaledWidth(), scaledRes.getScaledHeight(), mc.displayWidth, mc.displayHeight);
    	Gui.drawRect(1, 1, width, height, 0x80000000);
		drawString(this.mc.fontRendererObj, "Username", this.width / 2 - 100, 38, 10526880);
		drawString(this.mc.fontRendererObj, "§4*", this.width / 2 - 106, 38, 10526880);
		drawString(this.mc.fontRendererObj, "Password", this.width / 2 - 100, 79, 10526880);
		Gui.drawScaledCustomSizeModalRect(0, 0, 0.0F, 0.0F, scaledRes.getScaledWidth(), scaledRes.getScaledHeight(),
				this.width, this.height, scaledRes.getScaledWidth(), scaledRes.getScaledHeight());
		this.mc.fontRendererObj.drawString("§aLogged in: §7" + this.mc.session.getUsername(), 3, 3, 16777215);
		try {
			this.usernameBox.drawTextBox();
			this.passwordBox.drawTextBox();
		} catch (Exception e) {

		}

		super.drawScreen(x, y, f);
	}

	public static boolean login(String username, String password) {
		YggdrasilUserAuthentication auth = new YggdrasilUserAuthentication(
				new YggdrasilAuthenticationService(Proxy.NO_PROXY, UUID.randomUUID().toString()), Agent.MINECRAFT);
		auth.setUsername(username);
		auth.setPassword(password);
		try {
			auth.logIn();
			Minecraft.getMinecraft().session = new Session(auth.getSelectedProfile().getName(),
					auth.getSelectedProfile().getId().toString(), auth.getAuthenticatedToken(), "legacy");
			return true;
		} catch (AuthenticationException e) {
			if (((e instanceof UserMigratedException)) || ((e instanceof InvalidCredentialsException))) {
				Minecraft.getMinecraft().session = new Session(username, UUID.randomUUID().toString(), "-", "legacy");
				return false;
			}
			Minecraft.getMinecraft().session = new Session(username, UUID.randomUUID().toString(), "-", "legacy");
			System.out.println("Couldn't login, is mojang down?");
		}
		return true;
	}
}