/**
 * This file is part of the CRISTAL-iSE kernel.
 * Copyright (c) 2001-2015 The CRISTAL Consortium. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation; either version 3 of the License, or (at
 * your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 *
 * http://www.fsf.org/licensing/licenses/lgpl.html
 */
package org.cristalise.dsl.persistency.outcome

import groovy.transform.CompileStatic

import org.cristalise.kernel.persistency.outcome.Outcome
import org.cristalise.kernel.utils.LocalObjectLoader
import org.cristalise.kernel.utils.Logger


/**
 *
 */
@CompileStatic
class OutcomeBuilder {

    /*
     * 
     */
    public static Outcome build(SchemaBuilder sb, Closure cl) {
        assert sb.schema.som.getElementDecls(), "Schema must have root element declaration"
        assert sb.schema.som.getElementDecls().size() == 1, "Ambiguous root element size is bigger then 1. You need to use build() method to specify rootElement"

        String rootElement = sb.schema.som.getElementDecls()[0].name

        return build(rootElement, sb.name, sb.version, cl)
    }

    /**
     * 
     * @param cl
     * @return
     */
    public static Outcome build(String rootElement = null, String schema, int version, Closure cl) {
        assert schema
        
        def ob = new  OutcomeBuilder()
        String root

        if(!rootElement) root = rootElement
        else             root = schema

        def outcomeD = new OutcomeDelegate(root)
        outcomeD.processClosure(cl)

        Logger.msg 5, "OutcomeBuilder - generated xml:\n" + outcomeD.writer.toString()

        return new Outcome(-1, outcomeD.writer.toString(), LocalObjectLoader.getSchema(schema, version))
    }

    public static String build(String rootElement, Closure cl) {
        def outcomeD = new OutcomeDelegate(rootElement)
        outcomeD.processClosure(cl)

        Logger.msg 5, "OutcomeBuilder - generated xml:\n" + outcomeD.writer.toString()

        return outcomeD.writer.toString()
    }

    public static String build(Closure cl) {
        def outcomeD = new OutcomeDelegate()
        outcomeD.processClosure(cl)

        Logger.msg 5, "OutcomeBuilder - generated xml:\n" + outcomeD.writer.toString()

        return outcomeD.writer.toString()
    }
}
