package com.lemonade.mod.gui.type;

import org.lwjgl.opengl.GL11;

import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.GuiButton;
import net.minecraft.client.gui.GuiScreen;
import net.minecraft.client.gui.GuiScreenBook;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.client.resources.I18n;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;
import net.lemonade.mod.Reference;

public class GuiItemE extends GuiScreen {
	private final int bookImageHeight = 192;
	private final int bookImageWidth = 245;
	private int currPage = 0;

    private static final ResourceLocation bookGuiTextures = new ResourceLocation(Reference.MOD_ID + ":textures/gui/book.png");

	private static final int bookTotalPages = 4;

	private static ResourceLocation[] bookPageTextures = new ResourceLocation[bookTotalPages];
	private static String[] stringPageText = new String[bookTotalPages];
	private NextPageButton buttonNextPage;
	private BackPageButton buttonPreviousPage;

	public GuiItemE() {
		bookPageTextures[0] = new ResourceLocation(Reference.MOD_ID + ":textures/gui/ItemBook/Home.png");
		bookPageTextures[1] = new ResourceLocation(Reference.MOD_ID + ":textures/gui/ItemBook/Page1.png");
		bookPageTextures[2] = new ResourceLocation(Reference.MOD_ID + ":textures/gui/ItemBook/Page2.png");
		bookPageTextures[3] = new ResourceLocation(Reference.MOD_ID + ":textures/gui/ItemBook/Page3.png");

	}

	@Override
	public void initGui() {
		buttonList.clear();
		int offsetFromScreenLeft = (width - bookImageWidth) / 2;
		buttonList.add(buttonNextPage = new NextPageButton(1, offsetFromScreenLeft + 201, 225, true));
		buttonList.add(buttonPreviousPage = new BackPageButton(2, offsetFromScreenLeft + 24, 225, false));
	}

	@Override
	public void updateScreen() {
		buttonNextPage.visible = (currPage < bookTotalPages - 1);
		buttonPreviousPage.visible = currPage > 0;
	}

	@Override
	public void drawScreen(int parWidth, int parHeight, float p_73863_3_) {
		GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
		if (currPage == 0) {
			mc.getTextureManager().bindTexture(bookPageTextures[0]);
		}else if (currPage == 1) {
			mc.getTextureManager().bindTexture(bookPageTextures[1]);
		}else if (currPage == 2) {
			mc.getTextureManager().bindTexture(bookPageTextures[2]);
		}else if (currPage == 3) {
			mc.getTextureManager().bindTexture(bookPageTextures[3]);
		}
		int offsetFromScreenLeft = (int) ((width - bookImageWidth) / 2.0F);
		drawTexturedModalRect(offsetFromScreenLeft, -1, 0, 0, 254, 257);
		int widthOfString;
		String stringPageIndicator = I18n.format("book.pageIndicator", new Object[] { Integer.valueOf(currPage + 1), bookTotalPages });
		widthOfString = fontRendererObj.getStringWidth(stringPageIndicator);
		fontRendererObj.drawString(stringPageIndicator, offsetFromScreenLeft - widthOfString + bookImageWidth - 3, 11, 0);
		super.drawScreen(parWidth, parHeight, p_73863_3_);

	}

	@Override
	protected void mouseClickMove(int parMouseX, int parMouseY, int parLastButtonClicked, long parTimeSinceMouseClick) {

	}

	@Override
	protected void actionPerformed(GuiButton parButton) {
		 if (parButton == buttonNextPage) {
			if (currPage < bookTotalPages - 1) {
				++currPage;
			}
		} else if (parButton == buttonPreviousPage) {
			if (currPage > 0) {
				--currPage;
			}
		}
	}

	@Override
	public void onGuiClosed() {

	}

	@Override
	public boolean doesGuiPauseGame() {
		return false;
	}

	@SideOnly(Side.CLIENT)
    static class NextPageButton extends GuiButton
        {
            private final boolean field_146151_o;

            public NextPageButton(int p_i46316_1_, int p_i46316_2_, int p_i46316_3_, boolean p_i46316_4_)
            {
                super(p_i46316_1_, p_i46316_2_, p_i46316_3_, 23, 13, "");
                this.field_146151_o = p_i46316_4_;
            }

            public void drawButton(Minecraft mc, int mouseX, int mouseY)
            {
                if (this.visible)
                {
                    boolean flag = mouseX >= this.xPosition && mouseY >= this.yPosition && mouseX < this.xPosition + this.width && mouseY < this.yPosition + this.height;
                    GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
                    mc.getTextureManager().bindTexture(bookGuiTextures);
                    int k = 0;
                    int l = 192;

                    if (flag)
                    {
                        k += 23;
                    }

                    if (!this.field_146151_o)
                    {
                        l += 13;
                    }

                    this.drawTexturedModalRect(this.xPosition, this.yPosition, k, l, 23, 13);
                }
            }
        }

	@SideOnly(Side.CLIENT)
    static class BackPageButton extends GuiButton
        {
            private final boolean field_146151_o;

            public BackPageButton(int p_i46316_1_, int p_i46316_2_, int p_i46316_3_, boolean p_i46316_4_)
            {
                super(p_i46316_1_, p_i46316_2_, p_i46316_3_, 23, 13, "");
                this.field_146151_o = p_i46316_4_;
            }

            public void drawButton(Minecraft mc, int mouseX, int mouseY)
            {
                if (this.visible)
                {
                    boolean flag = mouseX >= this.xPosition && mouseY >= this.yPosition && mouseX < this.xPosition + this.width && mouseY < this.yPosition + this.height;
                    GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
                    mc.getTextureManager().bindTexture(bookGuiTextures);
                    int k = 0;
                    int l = 192;

                    if (flag)
                    {
                        k += 23;
                    }

                    if (!this.field_146151_o)
                    {
                        l += 13;
                    }

                    this.drawTexturedModalRect(this.xPosition, this.yPosition, k, l, 23, 13);
                }
            }
        }
}