/*
 * TeleStax, Open Source Cloud Communications  Copyright 2012.
 * and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.mobicents.protocols.ss7.map.primitives;

import org.mobicents.protocols.ss7.map.api.primitives.PlmnId;

/**
 *
 * @author sergey vetyutnev
 *
 */
public class PlmnIdImpl extends OctetStringBase implements PlmnId {

    public PlmnIdImpl() {
        super(3, 3, "PlmnId");
    }

    public PlmnIdImpl(byte[] data) {
        super(3, 3, "PlmnId", data);
    }

    public PlmnIdImpl(int mcc, int mnc) {
        super(3, 3, "PlmnId");

        int a1 = mcc / 100;
        int tv = mcc % 100;
        int a2 = tv / 10;
        int a3 = tv % 10;

        int b1 = mnc / 100;
        tv = mnc % 100;
        int b2 = tv / 10;
        int b3 = tv % 10;

        this.data = new byte[3];
        this.data[0] = (byte) ((a2 << 4) + a1);
        if (b1 == 0) {
            this.data[1] = (byte) (0xF0 + a3);
            this.data[2] = (byte) ((b3 << 4) + b2);
        } else {
            this.data[1] = (byte) ((b3 << 4) + a3);
            this.data[2] = (byte) ((b2 << 4) + b1);
        }
    }

    public byte[] getData() {
        return data;
    }

    @Override
    public int getMcc() {

        if (this.data == null || this.data.length != 3)
            return 0;

        int a1 = this.data[0] & 0x0F;
        int a2 = (this.data[0] & 0xF0) >> 4;
        int a3 = this.data[1] & 0x0F;

        return a1 * 100 + a2 * 10 + a3;
    }

    @Override
    public int getMnc() {

        if (this.data == null || this.data.length != 3)
            return 0;

        int a1 = this.data[2] & 0x0F;
        int a2 = (this.data[2] & 0xF0) >> 4;
        int a3 = (this.data[1] & 0xF0) >> 4;

        if (a3 == 15)
            return a1 * 10 + a2;
        else
            return a1 * 100 + a2 * 10 + a3;
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append(this._PrimitiveName);
        sb.append(" [");

        sb.append("MCC=[");
        sb.append(this.getMcc());
        sb.append("]");

        sb.append(", MNC=[");
        sb.append(this.getMnc());
        sb.append("]");

        sb.append("]");

        return sb.toString();
    }
}