/**
 * @author Intektor
 */
public class GuiMagazineTable extends GuiContainer {

    private static final ResourceLocation texture = new ResourceLocation(CounterGuns.MODID, "textures/gui/magazine_table.png");

    List<MagazineRegistry.MagazineRegistryEntry> magazinesToChoose = new ArrayList<>();

    int currentMagazineChosenID;

    final int buttonLeft = 0, buttonRight = 1;

    public GuiMagazineTable(Container inventorySlotsIn) {
        super(inventorySlotsIn);
    }

    @Override
    public void initGui() {
        super.initGui();

        buttonList.clear();

        int i = (this.width - this.xSize) / 2;
        int j = (this.height - this.ySize) / 2;

        buttonList.add(new GuiButton(buttonLeft, i + 24 - 11, j + 5, 10, 20, "<"));
        buttonList.add(new GuiButton(buttonRight, i + 24 + 17, j + 5, 10, 20, ">"));
        buttonList.get(buttonLeft).visible = false;
        buttonList.get(buttonRight).visible = false;

        prevStackIn0 = null;
    }

    @Override
    public void updateScreen() {
        ItemStack stack = inventorySlots.getInventory().get(0);
        if (!ItemStackHelper.areItemStacksCompletelyIdentical(prevStackIn0, stack)) {
            prevStackIn0 = stack;
            if (stack != null && stack.getItem() instanceof ItemGunStandardBullet) {
                ItemGunStandardBullet gun = (ItemGunStandardBullet) stack.getItem();
                magazinesToChoose = MagazineRegistry.INSTANCE.findMagazines(gun.matchingCaliber());
                currentMagazineChosenID = 0;
                CounterGuns.network.sendToServer(new ChangeMagazineTypeGuiMagazineMessageToServer(0));
            } else {
                CounterGuns.network.sendToServer(new ChangeMagazineTypeGuiMagazineMessageToServer(-1));
            }
            buttonList.get(buttonLeft).visible = stack != null && stack.getItem() instanceof ItemGun;
            buttonList.get(buttonRight).visible = stack != null && stack.getItem() instanceof ItemGun;
        }

        super.updateScreen();
    }

    @Override
    protected void drawGuiContainerBackgroundLayer(float partialTicks, int mouseX, int mouseY) {
        GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
        this.mc.getTextureManager().bindTexture(texture);
        int i = (this.width - this.xSize) / 2;
        int j = (this.height - this.ySize) / 2;
        this.drawTexturedModalRect(i, j, 0, 0, this.xSize, this.ySize);
    }

    ItemStack prevStackIn0;

    @Override
    protected void drawGuiContainerForegroundLayer(int mouseX, int mouseY) {
        ItemStack stack = inventorySlots.getInventory().get(0);
        int i = (this.width - this.xSize) / 2;
        int j = (this.height - this.ySize) / 2;

        if (stack == null) {
            int x = 24;
            int y = 34 - 16 * 2;
            CGRenderHelper.renderVirtualSlot(new ItemStack(CounterGuns.desert_eagle), x, y);
            CGRenderHelper.renderVirtualSlot(new ItemStack(CounterGuns.m_0_223), x, y + 16);
        } else {
            if (stack.getItem() instanceof ItemGun) {
                if (!magazinesToChoose.isEmpty() && currentMagazineChosenID < magazinesToChoose.size()) {
                    MagazineRegistry.MagazineRegistryEntry chosen = magazinesToChoose.get(currentMagazineChosenID);
                    VirtualSlotRenderer renderer2 = new VirtualSlotRenderer(width, height);
                    renderer2.addStack(new ItemStack(chosen.magazine), false, true, 24, 7, null);
                    renderer2.render(mouseX, mouseY, i, j);
                    int x = 52;
                    int y = 35 + 18;
                    VirtualSlotRenderer renderer = new VirtualSlotRenderer(width, height);
                    for (ItemStack craft : chosen.crafting) {
                        renderer.addStack(craft, true, true, x, y, null);
                        x += 18;
                    }
                    renderer.render(mouseX, mouseY, i, j);
                }
            } else if (stack.getItem() instanceof ItemMagazine) {
                ItemMagazine mag = (ItemMagazine) stack.getItem();
                VirtualSlotRenderer renderer = new VirtualSlotRenderer(width, height);
                int x = 52;
                int y = 35 + 18;
                for (ItemStack craft : MagazineRegistry.INSTANCE.getEntryForMagazine(mag).refillItems) {
                    renderer.addStack(craft, true, true, x, y, null);
                    x += 18;
                }
                renderer.render(mouseX, mouseY, i, j);
            }
        }
    }

    public boolean isPointInRegion(int x, int y, int width, int height, int pX, int pY) {
        return pX >= x && pX <= x + width && pY >= y && pY <= y + height;
    }

    @Override
    protected void actionPerformed(GuiButton button) throws IOException {
        switch (button.id) {
            case buttonLeft:
                if (currentMagazineChosenID > 0) {
                    currentMagazineChosenID--;
                    CounterGuns.network.sendToServer(new ChangeMagazineTypeGuiMagazineMessageToServer(currentMagazineChosenID));
                }
                break;
            case buttonRight:
                if (currentMagazineChosenID < magazinesToChoose.size() - 1) {
                    currentMagazineChosenID++;
                    CounterGuns.network.sendToServer(new ChangeMagazineTypeGuiMagazineMessageToServer(currentMagazineChosenID));
                }
                break;
        }
    }

    @Override
    public void onGuiClosed() {
        super.onGuiClosed();
    }
}