/*
 * Copyright (c) 2020-2024 Polyhedral Development
 *
 * The Terra Core Addons are licensed under the terms of the MIT License. For more details,
 * reference the LICENSE file in this module's root directory.
 */

package com.dfsek.terra.addons.terrascript.script.functions;

import com.dfsek.terra.addons.terrascript.parser.lang.ImplementationArguments;
import com.dfsek.terra.addons.terrascript.parser.lang.Returnable;
import com.dfsek.terra.addons.terrascript.parser.lang.Scope;
import com.dfsek.terra.addons.terrascript.parser.lang.functions.Function;
import com.dfsek.terra.addons.terrascript.script.TerraImplementationArguments;
import com.dfsek.terra.addons.terrascript.tokenizer.Position;
import com.dfsek.terra.api.util.RotationUtil;
import com.dfsek.terra.api.util.vector.Vector2;
import com.dfsek.terra.api.util.vector.Vector3;


public class CheckBlockFunction implements Function<String> {
    private final Returnable<Number> x, y, z;
    private final Position position;

    public CheckBlockFunction(Returnable<Number> x, Returnable<Number> y, Returnable<Number> z, Position position) {
        this.x = x;
        this.y = y;
        this.z = z;
        this.position = position;
    }


    @Override
    public String apply(ImplementationArguments implementationArguments, Scope scope) {
        TerraImplementationArguments arguments = (TerraImplementationArguments) implementationArguments;

        Vector2 xz = RotationUtil.rotateVector(Vector2.of(x.apply(implementationArguments, scope).doubleValue(),
                z.apply(implementationArguments, scope).doubleValue()),
            arguments.getRotation());


        String data = arguments.getWorld()
            .getBlockState(arguments.getOrigin()
                .toVector3()
                .mutable()
                .add(Vector3.of((int) Math.round(xz.getX()),
                    y.apply(implementationArguments, scope)
                        .doubleValue(), (int) Math.round(xz.getZ()))))
            .getAsString();
        if(data.contains("[")) return data.substring(0, data.indexOf('[')); // Strip properties
        else return data;
    }

    @Override
    public Position getPosition() {
        return position;
    }

    @Override
    public ReturnType returnType() {
        return ReturnType.STRING;
    }
}
