package ru.nevetime.clientirc;

import com.mojang.blaze3d.platform.InputConstants;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.function.Supplier;
import net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents;
import net.fabricmc.fabric.api.client.keybinding.v1.KeyBindingHelper;
import net.minecraft.client.KeyMapping;
import net.minecraft.client.Minecraft;
import net.minecraft.world.phys.BlockHitResult;
import net.minecraft.world.phys.HitResult;
import net.minecraft.world.phys.Vec3;
import org.lwjgl.glfw.GLFW;

public final class MiddleClickHandler {
    private static final ExecutorService IO_EXECUTOR =
        Executors.newSingleThreadExecutor(runnable -> {
            Thread t = new Thread(runnable, "clientirc-marker-io");
            t.setDaemon(true);
            return t;
        });

    private static KeyMapping markerKey;

    private MiddleClickHandler() {}

    public static void init(Supplier<IrcService> serviceSupplier, Supplier<String> playerNameSupplier) {
        markerKey = new KeyMapping(
            "key.clientirc.marker",
            InputConstants.Type.MOUSE,
            GLFW.GLFW_MOUSE_BUTTON_MIDDLE,
            "category.clientirc"
        );
        KeyBindingHelper.registerKeyBinding(markerKey);

        ClientTickEvents.END_CLIENT_TICK.register(client -> {
            while (markerKey.consumeClick()) {
                if (client.player == null || client.level == null) break;

                Vec3 target;
                if (client.hitResult instanceof BlockHitResult br && br.getType() != HitResult.Type.MISS) {
                    target = br.getBlockPos().getCenter();
                } else {
                    Vec3 eye = client.player.getEyePosition();
                    Vec3 look = client.player.getViewVector(1.0f);
                    target = eye.add(look.scale(20.0));
                }

                String dimId = client.level.dimension().location().toString();
                String playerName = playerNameSupplier.get();
                double tx = target.x, ty = target.y, tz = target.z;

                MarkerManager.set(new MarkerManager.Marker(playerName, dimId, tx, ty, tz, System.currentTimeMillis()));

                IO_EXECUTOR.execute(() -> {
                    IrcService service = serviceSupplier.get();
                    if (service != null) service.sendMarkerSet(playerName, dimId, tx, ty, tz);
                });
            }
        });
    }

    public static void removeOwnMarker(Supplier<IrcService> serviceSupplier, Supplier<String> playerNameSupplier) {
        String name = playerNameSupplier.get();
        MarkerManager.remove(name);
        IO_EXECUTOR.execute(() -> {
            IrcService service = serviceSupplier.get();
            if (service != null) service.sendMarkerRemove(name);
        });
    }
}