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

import org.litesoft.commonfoundation.typeutils.*;

import java.util.*;

import org.litesoft.uispecification.*;

public class UriFragmentTwoLinesPlusObjectURLs extends UriFragmentIdParams
{
    public static final Factory FACTORY = new Factory( "2Lines+ObjURLs" )
    {
        @Override
        protected UriFragmentIdParams create( String pLLtoParamsString )
        {
            return new UriFragmentTwoLinesPlusObjectURLs( pLLtoParamsString );
        }
    };

    private String mLine1, mLine2;
    private ObjectURL[] mObjectURLs = ObjectURL.EMPTY_ARRAY;

    private void setObjectURLs( List<ObjectURL> pObjectURLs )
    {
        if ( pObjectURLs != null )
        {
            mObjectURLs = pObjectURLs.toArray( new ObjectURL[pObjectURLs.size()] );
        }
    }

    public UriFragmentTwoLinesPlusObjectURLs( String pLine1, String pLine2, List<ObjectURL> pObjectURLs )
    {
        mLine1 = checkLine( pLine1 );
        mLine2 = checkLine( pLine2 );
        setObjectURLs( pObjectURLs );
    }

    private String checkLine( String pLine )
    {
        if ( pLine == null )
        {
            pLine = "";
        }
        if ( Strings.isNoCtrlAscii( pLine ) )
        {
            return pLine;
        }
        throw new IllegalArgumentException( "Can not accept control characters" );
    }

    public String getLine1()
    {
        return mLine1;
    }

    public String getLine2()
    {
        return mLine2;
    }

    public ObjectURL[] getObjectURLs()
    {
        return mObjectURLs;
    }

    protected String getRegistrationID()
    {
        return FACTORY.getRegistrationID();
    }

    protected String LLtoParamsString()
    {
        StringBuilder sb = new StringBuilder();
        sb.append( mLine1 ).append( '\n' ).append( mLine2 ).append( '\n' );
        if ( mObjectURLs.length > 0 )
        {
            boolean anyAdded = false;
            for ( ObjectURL zObjectURL : mObjectURLs )
            {
                if ( zObjectURL != null )
                {
                    if ( anyAdded )
                    {
                        sb.append( ObjectURL.URL_SEPARATOR );
                    }
                    anyAdded = true;
                    sb.append( zObjectURL );
                }
            }
        }
        return sb.toString();
    }

    private UriFragmentTwoLinesPlusObjectURLs( String pLLtoParamsString )
    {
        if ( pLLtoParamsString != null )
        {
            int zAt = pLLtoParamsString.indexOf( '\n' );
            if ( zAt != -1 )
            {
                mLine1 = pLLtoParamsString.substring( 0, zAt );
                int zFrom = zAt + 1;
                if ( -1 != (zAt = pLLtoParamsString.indexOf( '\n', zFrom )) )
                {
                    mLine2 = pLLtoParamsString.substring( zFrom, zAt );
                    zFrom = zAt + 1;
                    if ( pLLtoParamsString.length() > zFrom )
                    {
                        List<ObjectURL> zObjectURLs = new ArrayList<ObjectURL>();
                        for (; -1 != (zAt = pLLtoParamsString.indexOf( ObjectURL.URL_SEPARATOR, zFrom )); zFrom = zAt + 1 )
                        {
                            zObjectURLs.add( ObjectURL.fromString( pLLtoParamsString.substring( zFrom, zAt ) ) );
                        }
                        zObjectURLs.add( ObjectURL.fromString( pLLtoParamsString.substring( zFrom ) ) );
                        setObjectURLs( zObjectURLs );
                    }
                }
            }
        }
    }
}