/*******************************************************************************
 * Copyright (c) 2016 Association for Decentralized Information Management
 * in Industry THTH ry.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     THTH ry - initial API and implementation
 *******************************************************************************/
package org.simantics.debug.browser.internal.rewriters;

import java.util.ArrayList;
import java.util.Collection;

import org.simantics.db.ReadGraph;
import org.simantics.db.Resource;
import org.simantics.db.Statement;
import org.simantics.db.exception.DatabaseException;
import org.simantics.debug.browser.content.ResourceBrowserContent;
import org.simantics.debug.browser.content.ResourceBrowserRewriter;
import org.simantics.debug.browser.sections.PageHeaderSection;
import org.simantics.debug.browser.sections.RawStatementsSection;

public enum RawStatementsCreator implements ResourceBrowserRewriter {
    INSTANCE;

    @Override
    public void rewrite(ReadGraph graph, ResourceBrowserContent content) throws DatabaseException {
        RawStatementsSection section = new RawStatementsSection();
        section.resource = content.resource;
        for(Resource predicate : graph.getPredicates(content.resource)) {
            Collection<Statement> statements = graph.getStatements(content.resource, predicate);
            ArrayList<Statement> filteredStatements = new ArrayList<Statement>(statements.size());
            for(Statement statement : statements)
                if(statement.getPredicate().equals(predicate))
                    filteredStatements.add(statement);
            section.statementsByPredicates.put(predicate, filteredStatements);
        }
        content.putSection(RawStatementsSection.class, section);

        // Add custom CSS to header
        PageHeaderSection hdr = content.getSection(PageHeaderSection.class);
        hdr.getHeadWriter().println("<link rel=\"stylesheet\" type=\"text/css\" href=\"/css/lookupSection.css\" />");
        hdr.getHeadWriter().println("<link rel=\"stylesheet\" type=\"text/css\" href=\"/css/rawStatements.css\" />");
        hdr.getHeadWriter().println("<link rel=\"stylesheet\" type=\"text/css\" href=\"/css/blue/style.css\" />");
    }

    @Override
    public double getPriority() {
        return 0;
    }

}