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

import org.litesoft.commonfoundation.typeutils.*;

import java.util.*;

import org.litesoft.aokeyhole.objects.*;
import org.litesoft.codegen.*;

public abstract class AbstractTypeGenerator
{
    protected final ErrorSinc mErrorSinc;
    protected final List<SourceCodeGenerator> mGenCollector;
    protected final Map<String, ObjectRef> mObjectRefs;
    protected final ObjectMetaData mObjectMetaData;

    protected AbstractTypeGenerator( ErrorSinc pErrorSinc, List<SourceCodeGenerator> pGenCollector, Map<String, ObjectRef> pObjectRefs, ObjectMetaData pObjectMetaData )
    {
        mErrorSinc = pErrorSinc;
        mGenCollector = pGenCollector;
        mObjectRefs = pObjectRefs;
        mObjectMetaData = pObjectMetaData;
    }

    public final ObjectRef generate()
    {
        String zName = mObjectMetaData.getName();
        ObjectRef zObjectRef = mObjectRefs.get( zName );
        if ( zObjectRef == null )
        {
            int zInitialCount = mErrorSinc.errorCount();
            zObjectRef = new ObjectRef( mErrorSinc, mObjectMetaData );
            mObjectRefs.put( zName, zObjectRef );
            if ( zInitialCount == mErrorSinc.errorCount() )
            {
                ObjectRef zParentObjectRef = getParent();
                if ( zInitialCount == mErrorSinc.errorCount() )
                {
                    generateTypeSpecificFiles( zObjectRef, zParentObjectRef );
                }
            }
        }
        return zObjectRef;
    }

    private ObjectRef getParent()
    {
        String zParentName = Strings.noEmpty( mObjectMetaData.getParentName() );
        if ( zParentName != null )
        {
            // Look it up!!!
            ObjectMetaData zObject = mObjectMetaData.getSystemMetaData().getObject( zParentName );

            if ( zObject != null )
            {
                return createParentTypeGenerator( zObject ).generate();
            }

            mErrorSinc.addError( "NoParentObject", "Named: " + zParentName, mObjectMetaData.toStringForError() );
        }
        return null;
    }

    abstract protected void generateTypeSpecificFiles( ObjectRef pObjectRef, ObjectRef pParentObjectRef );

    abstract protected AbstractTypeGenerator createParentTypeGenerator( ObjectMetaData pObject );
}