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

import org.litesoft.aokeyhole.objects.support.*;
import org.litesoft.aokeyhole.toolkit.*;

public abstract class PropertyMetaData extends AbstractConfigMetaData implements ValueStringConverter {
    public static final PropertyMetaData[] EMPTY_ARRAY = new PropertyMetaData[0];

    public static final String TYPE = "Property";

    private String mName;
    private String mDisplayLabel;
    private DataType mDataType;
    private Required mRequired;
    private Object mInitialValue;

    protected PropertyMetaData( String pName, String pDisplayLabel, DataType pDataType, Required pRequired, Object pInitialValue ) {
        super( TYPE );

        mName = noNull( pName, "Name" );
        mDisplayLabel = noNull( pDisplayLabel, "DisplayLabel" );
        mDataType = noNull( pDataType, "DataType" );
        mRequired = (pRequired != null) ? pRequired : Required.NO;
        mInitialValue = pInitialValue;
    }

    public String getName() {
        return mName;
    }

    public String getDisplayLabel() {
        return mDisplayLabel;
    }

    public DataType getDataType() {
        return mDataType;
    }

    public Required getRequired() {
        return mRequired;
    }

    public Object getInitialValue() {
        return mInitialValue;
    }

    public String[] getValidOptions() {
        return null;
    }

    @Override
    public Object validateAndNormalize( Object pValue )
            throws ParseException {
        return pValue;
    }

    @Override
    public String valueToString( Object pValue ) {
        return (pValue == null) ? "" : pValue.toString();
    }

    protected String noNull( String pOrig, String pWhat ) {
        if ( pOrig == null ) {
            throw new IllegalStateException( pWhat + " may Not be null" );
        }

        return pOrig;
    }

    protected DataType noNull( DataType pOrig, String pWhat ) {
        if ( pOrig == null ) {
            throw new IllegalStateException( pWhat + " may Not be null" );
        }

        return pOrig;
    }

    @Override
    public String toString() {
        return mName + (mRequired.isData() ? "*" : "");
    }
}