/*
 * JBoss, Home of Professional Open Source
 * Copyright 2011, Red Hat, Inc. 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.smstpdu;

import org.mobicents.protocols.ss7.map.api.smstpdu.AbsoluteTimeStamp;
import org.mobicents.protocols.ss7.map.api.smstpdu.ValidityEnhancedFormatData;
import org.mobicents.protocols.ss7.map.api.smstpdu.ValidityPeriod;
import org.mobicents.protocols.ss7.map.api.smstpdu.ValidityPeriodFormat;

/**
 *
 * @author sergey vetyutnev
 *
 */
public class ValidityPeriodImpl implements ValidityPeriod {

    private Integer relativeFormatValue;
    private AbsoluteTimeStamp absoluteFormatValue;
    private ValidityEnhancedFormatData enhancedFormatValue;

    public ValidityPeriodImpl(int relativeFormatValue) {
        this.relativeFormatValue = relativeFormatValue;
    }

    public ValidityPeriodImpl(AbsoluteTimeStamp absoluteFormatValue) {
        this.absoluteFormatValue = absoluteFormatValue;
    }

    public ValidityPeriodImpl(ValidityEnhancedFormatData enhancedFormatValue) {
        this.enhancedFormatValue = enhancedFormatValue;
    }

    public ValidityPeriodFormat getValidityPeriodFormat() {
        if (relativeFormatValue != null)
            return ValidityPeriodFormat.fieldPresentRelativeFormat;
        if (absoluteFormatValue != null)
            return ValidityPeriodFormat.fieldPresentAbsoluteFormat;
        if (enhancedFormatValue != null)
            return ValidityPeriodFormat.fieldPresentEnhancedFormat;

        return ValidityPeriodFormat.fieldNotPresent;
    }

    public Integer getRelativeFormatValue() {
        return this.relativeFormatValue;
    }

    public Double getRelativeFormatHours() {

        if (this.relativeFormatValue == null)
            return null;

        int i1 = this.relativeFormatValue;
        if (i1 < 0)
            i1 = 0;
        if (i1 > 255)
            i1 = 255;
        if (i1 <= 143) {
            return (i1 + 1) * 5.0 / 60.0;
        }
        if (i1 <= 167) {
            return 12 + (i1 - 143) * 0.5;
        }
        if (i1 <= 196) {
            return (i1 - 166) * 24.0;
        }
        return (i1 - 192) * 24.0 * 7.0;
    }

    public AbsoluteTimeStamp getAbsoluteFormatValue() {
        return this.absoluteFormatValue;
    }

    public ValidityEnhancedFormatData getEnhancedFormatValue() {
        return this.enhancedFormatValue;
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();

        sb.append("TP-Validity-Period [");

        if (relativeFormatValue != null) {
            sb.append("Relative hours=");
            sb.append(this.getRelativeFormatHours());
        } else if (absoluteFormatValue != null) {
            sb.append("Absolute=");
            sb.append(this.getAbsoluteFormatValue().toString());
        } else if (enhancedFormatValue != null) {
            sb.append("Enhanced=");
            sb.append(this.getEnhancedFormatValue().toString());
        }
        sb.append("]");

        return sb.toString();
    }
}