/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.jena.riot.writer;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.util.Arrays;

import org.apache.jena.atlas.lib.StrUtils;
import org.apache.jena.query.Dataset;
import org.apache.jena.query.DatasetFactory;
import org.apache.jena.riot.*;
import org.apache.jena.sparql.util.IsoMatcher;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

@RunWith(Parameterized.class)
public class TestRiotWriterDataset extends AbstractWriterTest
{
    @Parameters(name = "{index}: {0}")
    public static Iterable<Object[]> data() {
        return Arrays.asList(new Object[][] {
            { RDFFormat.RDFNULL }
            , { RDFFormat.TRIG }
            , { RDFFormat.TRIG_PRETTY }
            , { RDFFormat.TRIG_BLOCKS }
            , { RDFFormat.TRIG_FLAT }
            , { RDFFormat.JSONLD }
            , { RDFFormat.JSONLD_PRETTY }
            , { RDFFormat.JSONLD_FLAT }
            , { RDFFormat.NQUADS}
            , { RDFFormat.NQUADS_UTF8}
            , { RDFFormat.NQUADS_ASCII}
            , { RDFFormat.RDF_PROTO }
            , { RDFFormat.RDF_PROTO_VALUES }
            , { RDFFormat.RDF_THRIFT }
            , { RDFFormat.RDF_THRIFT_VALUES }
            , { RDFFormat.TRIX }
        });
    }

    private RDFFormat format;

    public TestRiotWriterDataset(RDFFormat format) {
        this.format = format;
    }

    private static boolean isJsonLDJava(RDFFormat format) {
        return Lang.JSONLD.equals(format.getLang()) ||
               Lang.JSONLD10.equals(format.getLang());
    }


    @Test public void writer00() { test("writer-rt-20.trig"); }
    @Test public void writer01() { test("writer-rt-21.trig"); }
    @Test public void writer02() { test("writer-rt-22.trig"); }
    @Test public void writer03() { test("writer-rt-23.trig"); }
    @Test public void writer04() { test("writer-rt-24.trig"); }

    @Test public void writer05() { test("writer-rt-25.trig"); }
    @Test public void writer06() { test("writer-rt-26.trig"); }
    @Test public void writer07() { test("writer-rt-27.trig"); }
    @Test public void writer08() {
        // List across graphs
        if ( isJsonLDJava(format) )
            // Broken for JSON-LD
            return;
        test("writer-rt-28.trig");
    }
    @Test public void writer09() { test("writer-rt-29.trig"); }
    @Test public void writer10() { test("writer-rt-30.trig"); }

    private void test(String filename)
    {
        String displayname = filename.substring(0, filename.lastIndexOf('.'));
        Dataset ds = readDataset(filename);
        Lang lang = format.getLang();

        WriterDatasetRIOT rs = RDFWriterRegistry.getWriterDatasetFactory(format).create(format);
        assertEquals(lang, rs.getLang());

        ByteArrayOutputStream out = new ByteArrayOutputStream();
        RDFDataMgr.write(out, ds, format);

        if ( lang == Lang.RDFNULL )
            return;

        ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
        String s = StrUtils.fromUTF8bytes(out.toByteArray());
        Dataset ds2 = DatasetFactory.create();
        try {
            RDFDataMgr.read(ds2, in, lang);
        } catch (RiotException ex)
        {
            System.out.println(displayname+" : "+format);
            System.out.println(s);
            throw ex;
        }

        boolean b = IsoMatcher.isomorphic(ds.asDatasetGraph(), ds2.asDatasetGraph());
        if ( ! b ) {
            System.out.println("Test: "+format.toString());
            System.out.println("-- Input");
            RDFDataMgr.write(System.out, ds.asDatasetGraph(), Lang.NQUADS );
            System.out.println("-- Written");
            System.out.println(s);
            System.out.println();
            System.out.println("-- Seen as");
            RDFDataMgr.write(System.out, ds2.asDatasetGraph(), Lang.NQUADS );
            System.out.println("-------------");
        }

        assertTrue("Datasets are not isomorphic", b);
        //**** Test ds2 iso ds
    }
}

