/*
 * Copyright © 2021 LambdAurora <aurora42lambda@gmail.com>
 *
 * This file is part of midnightcontrols.
 *
 * Licensed under the MIT license. For more information,
 * see the LICENSE file.
 */

package eu.midnightdust.midnightcontrols.client.compat;

import eu.midnightdust.midnightcontrols.client.MidnightControlsClient;
import eu.midnightdust.midnightcontrols.client.controller.InputManager;
import net.fabricmc.loader.api.FabricLoader;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.gui.screen.Screen;
import net.minecraft.util.hit.BlockHitResult;
import org.aperlambda.lambdacommon.utils.LambdaReflection;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Stream;

/**
 * Represents a compatibility handler.
 *
 * @author LambdAurora
 * @version 1.5.0
 * @since 1.1.0
 */
public class MidnightControlsCompat {
    public static final List<CompatHandler> HANDLERS = new ArrayList<>();

    /**
     * Initializes compatibility with other mods if needed.
     *
     * @param mod the mod instance
     */
    public static void init(@NotNull MidnightControlsClient mod) {
        // "okzoomer" is the mod ID used by Fabric-compatible versions of Ok Zoomer. (5.0.0-beta.6 and below.)
        // "ok_zoomer" is the mod ID used by Quilt-exclusive versions of Ok Zoomer. (5.0.0-beta.7 and above.)
        if (FabricLoader.getInstance().isModLoaded("okzoomer") || FabricLoader.getInstance().isModLoaded("ok_zoomer")) {
            mod.log("Adding Ok Zoomer compatibility...");
            HANDLERS.add(new OkZoomerCompat());
        }
        if (isEMIPresent()) {
            mod.log("Adding EMI compatibility...");
            HANDLERS.add(new EMICompat());
        }
        if (FabricLoader.getInstance().isModLoaded("hardcorequesting") && LambdaReflection.doesClassExist(HQMCompat.GUI_BASE_CLASS_PATH)) {
            mod.log("Adding HQM compatibility...");
            HANDLERS.add(new HQMCompat());
        }
        if (FabricLoader.getInstance().isModLoaded("bedrockify")) {
            mod.log("Adding Bedrockify compatibility...");
            HANDLERS.add(new BedrockifyCompat());
        }
        HANDLERS.forEach(handler -> handler.handle(mod));
        InputManager.loadButtonBindings();
    }

    /**
     * Registers a new compatibility handler.
     *
     * @param handler the compatibility handler to register
     */
    public static void registerCompatHandler(@NotNull CompatHandler handler) {
        HANDLERS.add(handler);
    }

    /**
     * Streams through compatibility handlers.
     *
     * @return a stream of compatibility handlers
     */
    public static Stream<CompatHandler> streamCompatHandlers() {
        return HANDLERS.stream();
    }

    /**
     * Returns whether the mouse is required on the specified screen.
     *
     * @param screen the screen
     * @return true if the mouse is requried on the specified screen, else false
     */
    public static boolean requireMouseOnScreen(Screen screen) {
        return HANDLERS.stream().anyMatch(handler -> handler.requireMouseOnScreen(screen));
    }

    /**
     * Returns a slot at the specified location if possible.
     *
     * @param screen the screen
     * @param mouseX the mouse X-coordinate
     * @param mouseY the mouse Y-coordinate
     * @return a slot if present, else null
     */
    public static @Nullable CompatHandler.SlotPos getSlotAt(@NotNull Screen screen, int mouseX, int mouseY) {
        for (var handler : HANDLERS) {
            var slot = handler.getSlotAt(screen, mouseX, mouseY);
            if (slot != null)
                return slot;
        }
        return null;
    }

    /**
     * Returns a custom translation key to make custom attack action strings on the HUD.
     *
     * @param client the client instance
     * @param placeResult the last place block result
     * @return null if untouched, else a translation key
     */
    public static String getAttackActionAt(@NotNull MinecraftClient client, @Nullable BlockHitResult placeResult) {
        for (CompatHandler handler : HANDLERS) {
            String action = handler.getAttackActionAt(client, placeResult);
            if (action != null) {
                return action;
            }
        }
        return null;
    }

    /**
     * Returns a custom translation key to make custom use action strings on the HUD.
     *
     * @param client the client instance
     * @param placeResult the last place block result
     * @return null if untouched, else a translation key
     */
    public static String getUseActionAt(@NotNull MinecraftClient client, @Nullable BlockHitResult placeResult) {
        for (CompatHandler handler : HANDLERS) {
            String action = handler.getUseActionAt(client, placeResult);
            if (action != null) {
                return action;
            }
        }
        return null;
    }

    /**
     * Handles the menu back button.
     *
     * @param client the client instance
     * @param screen the screen
     * @return true if the handle was fired and succeed, else false
     */
    public static boolean handleMenuBack(@NotNull MinecraftClient client, @NotNull Screen screen) {
        for (CompatHandler handler : HANDLERS) {
            if (handler.handleMenuBack(client, screen))
                return true;
        }
        return false;
    }

    /**
     * Returns whether Roughly Enough Items is present.
     *
     * @return true if Roughly Enough Items is present, else false
     */
    public static boolean isReiPresent() {
        return FabricLoader.getInstance().isModLoaded("roughlyenoughitems");
    }
    /**
     * Returns whether EMI is present.
     *
     * @return true if EMI is present, else false
     */
    public static boolean isEMIPresent() {
        return FabricLoader.getInstance().isModLoaded("emi");
    }
    /**
     * Returns whether InventoryTabs is present.
     *
     * @return true if InventoryTabs is present, else false
     */
    public static boolean isInventoryTabsPresent() {
        return FabricLoader.getInstance().isModLoaded("inventorytabs");
    }
    /**
     * Returns whether Emotecraft is present.
     *
     * @return true if Emotecraft is present, else false
     */
    public static boolean isEmotecraftPresent() {
        return FabricLoader.getInstance().isModLoaded("emotecraft");
    }
}