package org.simantics.document.linking.report.templates.custom;

import java.util.Collections;
import java.util.List;
import java.util.Map;

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.document.linking.report.DocumentLine;
import org.simantics.document.linking.report.evaluator.EvaluatorItem;
import org.simantics.document.linking.utils.SourceLinkUtil;


public class EvaluatorCustomizableContent implements CustomizableContent{

	String description;	
	EvaluatorItem item;
	
	boolean supportStyles = false;
	boolean supportMultiline = true;
	
	public EvaluatorCustomizableContent(String description) {
		this.description = description;
	}
	
	@Override
	public String getCustomizationDescription() {
		return description;
	}
	
	@Override
	public String getContent(ReadGraph graph, Resource resource, Map<Object, Object> context)
			throws DatabaseException {
		if (!SourceLinkUtil.isValidReference(graph, resource))
			return "Deleted reference"; //$NON-NLS-1$
		Variable variable = graph.adapt(resource, Variable.class);
		return item.getValue(graph, variable,context);
	}
	
	@Override
	public List<DocumentLine> getLines(ReadGraph graph, Resource resource, Map<Object, Object> context)
			throws DatabaseException {
		if (!SourceLinkUtil.isValidReference(graph, resource))
			return Collections.singletonList(new DocumentLine("Deleted reference")); //$NON-NLS-1$
		Variable variable = graph.adapt(resource, Variable.class);
		return item.getLines(graph, variable,context);
	}
	
	public void setItem(EvaluatorItem item) {
		this.item = item;
	}
	
	public EvaluatorItem getItem() {
		return item;
	}
	
	public boolean isSupportStyles() {
		return supportStyles;
	}
	
	public void setSupportStyles(boolean supportStyles) {
		this.supportStyles = supportStyles;
	}
	
	public boolean isSupportMultiline() {
		return supportMultiline;
	}
	public void setSupportMultiline(boolean supportMultiline) {
		this.supportMultiline = supportMultiline;
	}
}