// This Source Code is in the Public Domain per: http://unlicense.org
package org.litesoft.bo.attributes;

import org.litesoft.commonfoundation.base.*;
import org.litesoft.core.simpletypes.nonpublic.*;

import java.util.*;

public class BooleanDisplayOptions implements PropertyOfAMD {
    public static BooleanDisplayOptions of( String pTrueFalseText ) {
        if ( null == (pTrueFalseText = ConstrainTo.significantOrNull( pTrueFalseText )) ) {
            return null;
        }
        int zAt = pTrueFalseText.indexOf( '/' );
        if ( zAt != -1 ) {
            if ( (zAt != 0) && (zAt != (pTrueFalseText.length() - 1)) && (-1 == pTrueFalseText.indexOf( '/', zAt + 1 )) ) {
                return getInstance( pTrueFalseText, zAt );
            }
        }
        throw new IllegalArgumentException( "True &/ False text missing (seperated by a '/')" );
    }

    public static BooleanDisplayOptions get( AttributeMetaData pAMD ) {
        return (BooleanDisplayOptions) pAMD.getProperties().get( MAP_KEY );
    }

    private static synchronized BooleanDisplayOptions getInstance( String pTrueFalseText, int pSepAt ) {
        BooleanDisplayOptions zInstance = sInstances.get( pTrueFalseText );
        if ( zInstance == null ) {
            sInstances.put( pTrueFalseText, zInstance = new BooleanDisplayOptions( pTrueFalseText, pSepAt ) );
        }
        return zInstance;
    }

    private static HashMap<String, BooleanDisplayOptions> sInstances = new HashMap<String, BooleanDisplayOptions>();

    private static final String MAP_KEY = "BooleanDisplayOptions";

    private BooleanDisplayOptions( String pTrueFalseText, int pSepAt ) {
        mTrueText = pTrueFalseText.substring( 0, pSepAt );
        mFalseText = pTrueFalseText.substring( pSepAt + 1 );
    }

    private String mTrueText, mFalseText;

    public String getTrueText() {
        return mTrueText;
    }

    public String getFalseText() {
        return mFalseText;
    }

    @Override
    public String toString() {
        return MAP_KEY + ".of( \"" + mTrueText + '/' + mFalseText + "\" )";
    }

    public String getMapKey() {
        return MAP_KEY;
    }

    @Override
    public boolean equals( Object them ) {
        return (this == them) || ((them != null) && (this.getClass() == them.getClass()) && LLequals( (BooleanDisplayOptions) them ));
    }

    private boolean LLequals( BooleanDisplayOptions them ) {
        return (this.mTrueText.equals( them.mTrueText )) && (this.mFalseText.equals( them.mFalseText ));
    }

    @Override
    public int hashCode() {
        return EqualSupport.hashCodeEm( mTrueText.hashCode(), mFalseText.hashCode() );
    }
}