Blacksmith/src/main/java/net/knarcraft/blacksmith/util/ConfigHelper.java

package net.knarcraft.blacksmith.util;

import java.util.ArrayList;
import java.util.List;

/**
 * A helper class for getting an object value as the correct type
 */
public final class ConfigHelper {

    private ConfigHelper() {

    }

    /**
     * Gets the given value as a string list
     *
     * @param value <p>The raw string list value</p>
     * @return <p>The value as a string list, or null if not compatible</p>
     */
    public static List<String> asStringList(Object value) {
        if (value instanceof String) {
            return List.of(((String) value).split(","));
        } else if (value instanceof List<?> list) {
            List<String> strings = new ArrayList<>();
            for (Object object : list) {
                strings.add(String.valueOf(object));
            }
            return strings;
        } else {
            return null;
        }
    }

    /**
     * Gets the given value as a double
     *
     * <p>This will throw an exception if used for a non-double setting</p>
     *
     * @param value <p>The object value to get</p>
     * @return <p>The value of the given object as a double</p>
     */
    public static double asDouble(Object value) {
        if (value instanceof String) {
            return Double.parseDouble((String) value);
        } else if (value instanceof Integer) {
            return (Integer) value;
        } else {
            return (Double) value;
        }
    }

    /**
     * Gets the given value as a boolean
     *
     * <p>This will throw an exception if used for a non-boolean value</p>
     *
     * @param value <p>The object value to get</p>
     * @return <p>The value of the given object as a boolean</p>
     */
    public static boolean asBoolean(Object value) {
        if (value instanceof String) {
            return Boolean.parseBoolean((String) value);
        } else {
            return (Boolean) value;
        }
    }

    /**
     * Gets the given value as an integer
     *
     * <p>This will throw an exception if used for a non-integer setting</p>
     *
     * @param value <p>The object value to get</p>
     * @return <p>The value of the given object as an integer</p>
     */
    public static int asInt(Object value) {
        if (value instanceof String) {
            return Integer.parseInt((String) value);
        } else {
            return (Integer) value;
        }
    }

}