/**
 * Copyright 2014 
 * SMEdit https://github.com/StarMade/SMEdit
 * SMTools https://github.com/StarMade/SMTools
 *
 * 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
 *
 * http://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 jo.sm.logic.utils;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.logging.Level;
import java.util.logging.Logger;


public class BooleanUtils {
    private static final Logger log = Logger.getLogger(BooleanUtils.class.getName());

    public static Object[] toArray(boolean[] booleanArray) {
        if (booleanArray == null) {
            return null;
        }
        Boolean[] objArray = new Boolean[booleanArray.length];
        for (int i = 0; i < booleanArray.length; i++) {
            objArray[i] = booleanArray[i];
        }
        return objArray;
    }

    public static boolean parseBoolean(String v) {
        return parseBoolean(v, false);
    }

    public static boolean parseBoolean(Object v) {
        return parseBoolean(v, false);
    }

    public static boolean parseBoolean(String v, boolean def) {
        if (StringUtils.isTrivial(v)) {
            return def;
        }
        return v.equalsIgnoreCase("true") || v.equalsIgnoreCase("yes") || v.equalsIgnoreCase("y")
                || v.equalsIgnoreCase("1") || v.equalsIgnoreCase("-1");
    }

    public static boolean parseBoolean(Object v, boolean def) {
        if (v == null) {
            return def;
        }
        if (v instanceof Boolean) {
            return ((Boolean) v);
        }
        if (v instanceof String) {
            return parseBoolean((String) v);
        }
        if (v instanceof Number) {
            return Math.abs(((Number) v).doubleValue()) < 0.0001;
        }
        return def;
    }

    public static boolean[] fromBytes(byte[] bytes) {
        try {
            ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(bytes));
            int len = ois.readInt();
            boolean[] ret = new boolean[len];
            for (int i = 0; i < len; i++) {
                ret[i] = (ois.readInt() != 0);
            }
            return ret;
        } catch (IOException e) {
            log.log(Level.WARNING, "ObjectInputStream failed!", e);
            return null;
        }
    }

    public static byte[] toBytes(boolean[] vals) {
        try {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            ObjectOutputStream oos = new ObjectOutputStream(baos);
            oos.writeInt(vals.length);
            for (int i = 0; i < vals.length; i++) {
                oos.writeInt(vals[i] ? 1 : 0);
            }
            oos.flush();
            return baos.toByteArray();
        } catch (IOException e) {
            log.log(Level.WARNING, "ByteArrayOutputStream failed!", e);
            return null;
        }
    }
}