package us.getfluxed.controlsearch.client.gui;

import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.*;
import net.minecraft.client.resources.I18n;
import net.minecraft.client.settings.*;
import net.minecraftforge.client.settings.KeyModifier;
import org.lwjgl.input.*;

import java.io.IOException;
import java.util.*;

public class GuiNewControls extends GuiControls {
    
    private static final GameSettings.Options[] OPTIONS_ARR = new GameSettings.Options[]{GameSettings.Options.INVERT_MOUSE, GameSettings.Options.SENSITIVITY, GameSettings.Options.TOUCHSCREEN, GameSettings.Options.AUTO_JUMP};
    /**
     * A reference to the screen object that created this. Used for navigating between screens.
     */
    private final GuiScreen parentScreen;
    /**
     * Reference to the GameSettings object.
     */
    private final GameSettings options;
    /**
     * The ID of the button that has been pressed.
     */
    public GuiNewKeyBindingList keyBindingList;
    private GuiButton buttonReset;
    
    private GuiTextField search;
    private String lastFilterText = "";
    
    private boolean conflicts = false;
    
    public int availableTime;
    
    public GuiButton conflictsButton;
    
    public GuiNewControls(GuiScreen screen, GameSettings settings) {
        super(screen, settings);
        this.parentScreen = screen;
        this.options = settings;
    }
    
    /**
     * Adds the buttons (and other controls) to the screen in question. Called when the GUI is displayed and when the
     * window resizes, the buttonList is cleared beforehand.
     */
    public void initGui() {
        this.keyBindingList = new GuiNewKeyBindingList(this, this.mc);
        this.buttonList.add(new GuiButton(200, this.width / 2 - 155, this.height - 29, 150, 20, I18n.format("gui.done")));
        this.buttonReset = this.addButton(new GuiButton(201, this.width / 2 - 155 + 160, this.height - 29, 150, 20, I18n.format("controls.resetAll")));
        this.screenTitle = I18n.format("controls.title");
        int i = 0;
        
        for(GameSettings.Options gamesettings$options : OPTIONS_ARR) {
            if(gamesettings$options.getEnumFloat()) {
                this.buttonList.add(new GuiOptionSlider(gamesettings$options.returnEnumOrdinal(), this.width / 2 - 155 + i % 2 * 160, 18 + 24 * (i >> 1), gamesettings$options));
            } else {
                this.buttonList.add(new GuiOptionButton(gamesettings$options.returnEnumOrdinal(), this.width / 2 - 155 + i % 2 * 160, 18 + 24 * (i >> 1), gamesettings$options, this.options.getKeyBinding(gamesettings$options)));
            }
            
            ++i;
        }
        
        search = new GuiTextField(0, mc.fontRendererObj, this.width / 2 - 155, this.height - 29 - 28, 150, 18);
        search.setCanLoseFocus(true);
        conflictsButton = new GuiButton(2906, this.width / 2 - 155 + 160, this.height - 29 - 29, 150, 20, I18n.format("options.showConflicts"));
        this.buttonList.add(conflictsButton);
        this.conflicts = false;
    }
    
    @Override
    public void updateScreen() {
        search.updateCursorCounter();
        if(!search.getText().equals(lastFilterText)) {
            reloadKeys(0);
        }
    }
    
    private void reloadKeys(int type) {
        if(type == 0) {
            LinkedList<GuiListExtended.IGuiListEntry> newList = new LinkedList<>();
            for(GuiListExtended.IGuiListEntry entry : keyBindingList.getListEntriesAll()) {
                if(entry instanceof GuiNewKeyBindingList.KeyEntry) {
                    GuiNewKeyBindingList.KeyEntry ent = (GuiNewKeyBindingList.KeyEntry) entry;
                    if(ent.getKeybinding().getKeyDescription().toLowerCase().contains(search.getText().toLowerCase())) {
                        newList.add(entry);
                    }
                }
            }
            keyBindingList.setListEntries(newList);
            lastFilterText = search.getText();
            if(lastFilterText.isEmpty()) {
                keyBindingList.setListEntries(keyBindingList.getListEntriesAll());
            }
        } else if(type == 1) {
            LinkedList<GuiListExtended.IGuiListEntry> conflicts = new LinkedList<>();
            for(GuiListExtended.IGuiListEntry entry : keyBindingList.getListEntriesAll()) {
                if(entry instanceof GuiNewKeyBindingList.KeyEntry) {
                    GuiNewKeyBindingList.KeyEntry ent = (GuiNewKeyBindingList.KeyEntry) entry;
                    for(GuiListExtended.IGuiListEntry entry1 : keyBindingList.getListEntriesAll()) {
                        if(!entry.equals(entry1))
                            if(entry1 instanceof GuiNewKeyBindingList.KeyEntry) {
                                GuiNewKeyBindingList.KeyEntry ent1 = (GuiNewKeyBindingList.KeyEntry) entry1;
                                if(ent.getKeybinding().conflicts(ent1.getKeybinding())) {
                                    if(!conflicts.contains(ent))
                                        conflicts.add(ent);
                                    if(!conflicts.contains(ent1))
                                        conflicts.add(ent1);
                                }
                            }
                    }
                    
                }
            }
            keyBindingList.setListEntries(conflicts);
            if(conflicts.isEmpty() || !this.conflicts) {
                keyBindingList.setListEntries(keyBindingList.getListEntriesAll());
            }
        }
    }
    
    /**
     * Handles mouse input.
     */
    public void handleMouseInput() throws IOException {
        superSuperHandleMouseInput();
        this.keyBindingList.handleMouseInput();
    }
    
    /**
     * Handles mouse input.
     */
    public void superSuperHandleMouseInput() throws IOException {
        int i = Mouse.getEventX() * this.width / this.mc.displayWidth;
        int j = this.height - Mouse.getEventY() * this.height / this.mc.displayHeight - 1;
        int k = Mouse.getEventButton();
        
        if(Mouse.getEventButtonState()) {
            if(this.mc.gameSettings.touchscreen && this.touchValue++ > 0) {
                return;
            }
            
            this.eventButton = k;
            this.lastMouseEvent = Minecraft.getSystemTime();
            this.mouseClicked(i, j, this.eventButton);
        } else if(k != -1) {
            if(this.mc.gameSettings.touchscreen && --this.touchValue > 0) {
                return;
            }
            
            this.eventButton = -1;
            this.mouseReleased(i, j, k);
        } else if(this.eventButton != -1 && this.lastMouseEvent > 0L) {
            long l = Minecraft.getSystemTime() - this.lastMouseEvent;
            this.mouseClickMove(i, j, this.eventButton, l);
        }
    }
    
    /**
     * Called by the controls from the buttonList when activated. (Mouse pressed for buttons)
     */
    protected void actionPerformed(GuiButton button) throws IOException {
        if(button.id == 200) {
            this.mc.displayGuiScreen(this.parentScreen);
        } else if(button.id == 201) {
            for(KeyBinding keybinding : this.mc.gameSettings.keyBindings) {
                keybinding.setToDefault();
            }
            KeyBinding.resetKeyBindingArrayAndHash();
            availableTime = 0;
        } else if(button.id < 100 && button instanceof GuiOptionButton) {
            this.options.setOptionValue(((GuiOptionButton) button).returnEnumOptions(), 1);
            button.displayString = this.options.getKeyBinding(GameSettings.Options.getEnumOptions(button.id));
        } else if(button.id == 2906) {
            availableTime = 0;
            if(!conflicts) {
                conflicts = true;
                conflictsButton.displayString = I18n.format("options.showAll");
                reloadKeys(1);
            } else {
                conflicts = false;
                conflictsButton.displayString = I18n.format("options.showConflicts");
                reloadKeys(1);
            }
            
            
        }
    }
    
    /**
     * Called when the mouse is clicked. Args : mouseX, mouseY, clickedButton
     */
    protected void mouseClicked(int mouseX, int mouseY, int mouseButton) throws IOException {
        if(this.buttonId != null) {
            this.buttonId.setKeyModifierAndCode(net.minecraftforge.client.settings.KeyModifier.getActiveModifier(), -100 + mouseButton);
            this.options.setOptionKeyBinding(this.buttonId, -100 + mouseButton);
            this.buttonId = null;
            KeyBinding.resetKeyBindingArrayAndHash();
        } else if(mouseButton != 0 || !this.keyBindingList.mouseClicked(mouseX, mouseY, mouseButton)) {
            superSuperMouseClicked(mouseX, mouseY, mouseButton);
        }
        search.mouseClicked(mouseX, mouseY, mouseButton);
        if(mouseButton == 1 && mouseX >= search.xPosition && mouseX < search.xPosition + search.width && mouseY >= search.yPosition && mouseY < search.yPosition + search.height) {
            search.setText("");
        }
    }
    
    /**
     * Called when the mouse is clicked. Args : mouseX, mouseY, clickedButton
     */
    protected void superSuperMouseClicked(int mouseX, int mouseY, int mouseButton) throws IOException {
        if(mouseButton == 0) {
            for(int i = 0; i < this.buttonList.size(); ++i) {
                GuiButton guibutton = this.buttonList.get(i);
                
                if(guibutton.mousePressed(this.mc, mouseX, mouseY)) {
                    net.minecraftforge.client.event.GuiScreenEvent.ActionPerformedEvent.Pre event = new net.minecraftforge.client.event.GuiScreenEvent.ActionPerformedEvent.Pre(this, guibutton, this.buttonList);
                    if(net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(event))
                        break;
                    guibutton = event.getButton();
                    this.selectedButton = guibutton;
                    guibutton.playPressSound(this.mc.getSoundHandler());
                    this.actionPerformed(guibutton);
                    if(this.equals(this.mc.currentScreen))
                        net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(new net.minecraftforge.client.event.GuiScreenEvent.ActionPerformedEvent.Post(this, event.getButton(), this.buttonList));
                }
            }
        }
    }
    
    /**
     * Called when a mouse button is released.
     */
    protected void mouseReleased(int mouseX, int mouseY, int state) {
        if(state != 0 || !this.keyBindingList.mouseReleased(mouseX, mouseY, state)) {
            superSuperMouseReleased(mouseX, mouseY, state);
        }
    }
    
    protected void superSuperMouseReleased(int mouseX, int mouseY, int state) {
        if(this.selectedButton != null && state == 0) {
            this.selectedButton.mouseReleased(mouseX, mouseY);
            this.selectedButton = null;
        }
    }
    
    /**
     * Fired when a key is typed (except F11 which toggles full screen). This is the equivalent of
     * KeyListener.keyTyped(KeyEvent e). Args : character (character on the key), keyCode (lwjgl Keyboard key code)
     */
    protected void keyTyped(char typedChar, int keyCode) throws IOException {
        if(this.buttonId != null) {
            if(keyCode == 1) {
                this.buttonId.setKeyModifierAndCode(net.minecraftforge.client.settings.KeyModifier.NONE, 0);
                this.options.setOptionKeyBinding(this.buttonId, 0);
            } else if(keyCode != 0) {
                this.buttonId.setKeyModifierAndCode(net.minecraftforge.client.settings.KeyModifier.getActiveModifier(), keyCode);
                this.options.setOptionKeyBinding(this.buttonId, keyCode);
            } else if(typedChar > 0) {
                this.buttonId.setKeyModifierAndCode(net.minecraftforge.client.settings.KeyModifier.getActiveModifier(), typedChar + 256);
                this.options.setOptionKeyBinding(this.buttonId, typedChar + 256);
            }
            if(!KeyModifier.isKeyCodeModifier(keyCode)) {
                this.buttonId = null;
            }
            this.time = Minecraft.getSystemTime();
            KeyBinding.resetKeyBindingArrayAndHash();
        } else {
            if(search.isFocused())
                search.textboxKeyTyped(typedChar, keyCode);
            else if(Keyboard.isKeyDown(Keyboard.KEY_LCONTROL)) {
                if(availableTime > 0 && availableTime<40) {
                    availableTime = 0;
                } else {
                    availableTime = 40;
                }
            } else {
                superSuperKeyTyped(typedChar, keyCode);
            }
        }
    }
    
    protected void superSuperKeyTyped(char typedChar, int keyCode) throws IOException {
        if(keyCode == 1) {
            this.mc.displayGuiScreen((GuiScreen) null);
            
            if(this.mc.currentScreen == null) {
                this.mc.setIngameFocus();
            }
        }
    }
    
    /**
     * Draws the screen and all the components in it.
     */
    public void drawScreen(int mouseX, int mouseY, float partialTicks) {
        this.drawDefaultBackground();
        this.keyBindingList.drawScreen(mouseX, mouseY, partialTicks);
        this.drawCenteredString(this.fontRendererObj, this.screenTitle, this.width / 2, 8, 16777215);
        this.drawCenteredString(this.fontRendererObj, I18n.format("options.search"), this.width / 2 - (155 / 2), this.height - 29 - 44, 16777215);
        boolean flag = false;
        
        for(KeyBinding keybinding : this.options.keyBindings) {
            if(!keybinding.isSetToDefaultValue()) {
                flag = true;
                break;
            }
        }
        
        this.buttonReset.enabled = flag;
        superSuperDrawScreen(mouseX, mouseY, partialTicks);
        search.drawTextBox();
        
        if(availableTime > 0) {
            drawRect(keyBindingList.left, keyBindingList.top, keyBindingList.right, keyBindingList.bottom + 18, 0xFF000000);
            LinkedList<Integer> keyCodes = new LinkedList<>();
            for(int i = 2; i < 219; i++) {
                keyCodes.add(i);
            }
            keyCodes.add(-98);
            keyCodes.add(-99);
            keyCodes.add(-100);
            
            List<Integer> removed = new ArrayList<>();
            keyBindingList.getListEntriesAll().forEach(i -> {
                if(i instanceof GuiNewKeyBindingList.KeyEntry) {
                    removed.add(((GuiNewKeyBindingList.KeyEntry) i).getKeybinding().getKeyCode());
                }
            });
            int[] rem = new int[]{0xDB, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x70, 0x71, 0x29, 0x79, 0x57, 0x7B, 0x7D, 0x8D, 0x90, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x9C, 0xA7, 0xB3, 0xC5, 0x91, 0xC4, 0xDA};
            for(int i : rem) {
                removed.add(i);
            }
            
            keyCodes.forEach(i -> {
                if(i >= 0)
                    if(Keyboard.getKeyName(i) == null || Keyboard.getKeyName(i).isEmpty()) {
                        removed.add(i);
                    }
            });
            keyCodes.removeAll(removed);
            Collections.sort(keyCodes);
            final int[] x = {0};
            final int[] y = {0};
            final int[] count = {0};
            fontRendererObj.drawString(I18n.format("options.availableKeys") + ":", width / 2, keyBindingList.top + 2, 0xFFFFFF);
            List<String> codes = new ArrayList<>();
            keyCodes.forEach(key -> {
                if(key >= 0) {
                    codes.add(Keyboard.getKeyName(key));
                    fontRendererObj.drawString(Keyboard.getKeyName(key), keyBindingList.left + (x[0] * 65), keyBindingList.top + 12 + (y[0]++ * fontRendererObj.FONT_HEIGHT), 0xFF55FF);
                } else {
                    codes.add(Mouse.getButtonName(key + 100));
                    switch(key + 100) {
                        case 0:
                            fontRendererObj.drawString("Button 1", keyBindingList.left + (x[0] * 65), keyBindingList.top + 12 + (y[0]++ * fontRendererObj.FONT_HEIGHT), 0x55FF55);
                            break;
                        case 1:
                            fontRendererObj.drawString("Button 2", keyBindingList.left + (x[0] * 65), keyBindingList.top + 12 + (y[0]++ * fontRendererObj.FONT_HEIGHT), 0x55FF55);
                            break;
                        case 2:
                            fontRendererObj.drawString("Button 3", keyBindingList.left + (x[0] * 65), keyBindingList.top + 12 + (y[0]++ * fontRendererObj.FONT_HEIGHT), 0x55FF55);
                            break;
                        
                    }
                }
                count[0]++;
                if(count[0] > keyBindingList.height / 30) {
                    count[0] = 0;
                    x[0]++;
                    y[0] = 0;
                }
            });
            availableTime--;
        }
    }
    
    public void superSuperDrawScreen(int mouseX, int mouseY, float partialTicks) {
        for(GuiButton aButtonList : this.buttonList) {
            aButtonList.func_191745_a(this.mc, mouseX, mouseY, partialTicks);
        }
        
        for(GuiLabel aLabelList : this.labelList) {
            aLabelList.drawLabel(this.mc, mouseX, mouseY);
        }
    }
    
}