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

import org.litesoft.GWT.client.dev.ui.actions.*;
import org.litesoft.GWT.client.dev.ui.inspection.*;
import org.litesoft.GWT.client.dev.ui.testplan.*;
import org.litesoft.xml.*;

import java.util.*;

public class TestPlanParserActionFactoryAction implements TestPlanActionFactory {
    private static final String TAG_NAME = "Action";

    private static final SelectionParserJQuery sSelectorParser = new SelectionParserJQuery();
    private static final Map<String, ActionParserBase> sActionParsers = new HashMap<String, ActionParserBase>();

    {
        addAction( new ActionParserClick() );
        addAction( new ActionParserKeystrokes() );
        addAction( new ActionParserSetAttribute() );
    }

    private static void addAction( ActionParserBase pAction ) {
        sActionParsers.put( pAction.getTagName(), pAction );
    }

    @Override
    public TestPlanAction parse( PullParserProxy pParser ) {
        pParser.validateIsStartTag( TAG_NAME );

        SelectionSpec selector;
        pParser.getNextStartTag();
        selector = sSelectorParser.parse( pParser );

        ActionSpec action;
        ActionParserBase actionParser = sActionParsers.get( pParser.getNextStartTag() );
        assert0( ActionParserBase.class.getSimpleName() + " parser not found for ", actionParser != null );
        action = actionParser.parse( pParser );

        pParser.validateNextIsEndTag( TAG_NAME );
        return new GeneralizedTestPlanAction( selector, action );
    }

    private static void assert0( String pMessage, boolean pExpression ) {
        if ( !pExpression ) {
            throw new XML_RuntimeException( pMessage );
        }
    }
}