/*
 * Copyright 2023-2025 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package rife.bld.extension.kotlin;

import rife.tools.StringUtils;

import java.io.Serial;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

/**
 * Java Virtual Machine options.
 *
 * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
 * @since 1.1.0
 */
@SuppressWarnings("PMD.LooseCoupling")
public class JvmOptions extends ArrayList<String> {
    /**
     * Keyword to enable native access for all code on the class path.
     */
    public final static String ALL_UNNAMED = "ALL-UNNAMED";

    @Serial
    private static final long serialVersionUID = 1L;

    /**
     * Modules that are permitted to perform restricted native operations.
     * The module name can also be {@link #ALL_UNNAMED}.
     *
     * @param modules the module names
     * @return this list of options
     */
    public JvmOptions enableNativeAccess(String... modules) {
        return enableNativeAccess(List.of(modules));
    }

    /**
     * Modules that are permitted to perform restricted native operations.
     * The module name can also be {@link #ALL_UNNAMED}.
     *
     * @param modules the module names
     * @return this list of options
     */
    public JvmOptions enableNativeAccess(Collection<String> modules) {
        add("--enable-native-access=" + StringUtils.join(modules, ","));
        return this;
    }

    /**
     * Controls what action the Java runtime takes when native access is not enabled for a module.
     *
     * @param access the access mode
     * @return this list of options
     */
    public JvmOptions illegalNativeAccess(NativeAccess access) {
        add("--illegal-native-access=" + access.mode);
        return this;
    }

    /**
     * Illegal native access modes.
     */
    public enum NativeAccess {
        ALLOW("allow"),
        DENY("deny"),
        WARN("warn");

        public final String mode;

        NativeAccess(String mode) {
            this.mode = mode;
        }
    }
}