package org.simantics.document.swt.core.scl;

import org.simantics.db.ReadGraph;
import org.simantics.db.Resource;
import org.simantics.db.exception.DatabaseException;
import org.simantics.db.layer0.variable.Variable;
import org.simantics.db.layer0.variable.VariableBean;
import org.simantics.document.server.request.ServerSCLValueRequest;
import org.simantics.scl.reflection.annotations.SCLValue;

public class Functions {

    @SCLValue(type = "ReadGraph -> Resource -> Variable -> VariableBean")
    public static VariableBean explorerInput(ReadGraph graph, Resource converter, Variable context) throws DatabaseException {
        Variable component = context.getParent(graph);
        Variable input = component.getPossiblePropertyValue(graph, "input"); 
        return new VariableBean(graph, input);
    }

    @SCLValue(type = "ReadGraph -> Resource -> Variable -> Variable")
    public static Variable input(ReadGraph graph, Resource converter, Variable context) throws DatabaseException {
        Variable component = context.getParent(graph);
        Variable input = component.getPossiblePropertyValue(graph, "input"); 
        return input;
    }

    @SCLValue(type = "ReadGraph -> Resource -> Variable -> a")
    public static Object sclValue(ReadGraph graph, Resource converter, Variable context) throws DatabaseException {
        return ServerSCLValueRequest.compileAndEvaluate(graph, context);
    }

}