/*
 Copyright 2008-2010 Gephi
 Authors : Mathieu Bastian <mathieu.bastian@gephi.org>
 Website : http://www.gephi.org

 This file is part of Gephi.

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 Copyright 2011 Gephi Consortium. All rights reserved.

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 http://gephi.org/about/legal/license-notice/
 or /cddl-1.0.txt and /gpl-3.0.txt. See the License for the
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 */

package org.gephi.io.importer.impl;

import org.gephi.graph.api.TimeRepresentation;
import org.gephi.graph.api.types.TimestampStringMap;
import org.gephi.io.importer.api.ColumnDraft;
import org.gephi.io.importer.api.EdgeDirection;
import org.gephi.io.importer.api.EdgeDirectionDefault;
import org.gephi.io.importer.api.EdgeDraft;
import org.gephi.io.importer.api.Issue;
import org.gephi.io.importer.api.NodeDraft;
import org.junit.Assert;
import org.junit.Test;

public class ImportContainerImplTest {

    @Test
    public void testAddColumn() {
        ImportContainerImpl importContainer = new ImportContainerImpl();
        ColumnDraft col = importContainer.addNodeColumn("foo", String.class);
        Assert.assertNotNull(col);
        Assert.assertEquals(String.class, col.getTypeClass());
        Assert.assertSame(col, importContainer.getNodeColumn("foo"));
    }

    @Test
    public void testAddDynamicColumn() {
        ImportContainerImpl importContainer = new ImportContainerImpl();
        importContainer.setTimeRepresentation(TimeRepresentation.TIMESTAMP);
        ColumnDraft col = importContainer.addNodeColumn("foo", String.class, true);
        Assert.assertNotNull(col);
        Assert.assertEquals(String.class, col.getTypeClass());
        Assert.assertEquals(TimestampStringMap.class, col.getResolvedTypeClass(importContainer));
    }

    @Test
    public void testEdgeExists() {
        ImportContainerImpl importContainer = new ImportContainerImpl();
        generateTinyGraph(importContainer);
        Assert.assertTrue(importContainer.edgeExists("1"));
        Assert.assertTrue(importContainer.edgeExists("1", "2"));
        Assert.assertTrue(importContainer.edgeExists("2", "1"));
    }

    @Test
    public void testEdgeExistsUndirectedWithDefault() {
        ImportContainerImpl importContainer = new ImportContainerImpl();
        importContainer.setEdgeDefault(EdgeDirectionDefault.UNDIRECTED);
        generateTinyUndirectedGraph(importContainer);
        Assert.assertTrue(importContainer.edgeExists("1"));
        Assert.assertTrue(importContainer.edgeExists("1", "2"));
        Assert.assertTrue(importContainer.edgeExists("2", "1"));
    }

    @Test
    public void testEdgeExistsUndirected() {
        ImportContainerImpl importContainer = new ImportContainerImpl();
        generateTinyUndirectedGraph(importContainer);
        Assert.assertTrue(importContainer.edgeExists("1"));
        Assert.assertTrue(importContainer.edgeExists("1", "2"));
        Assert.assertTrue(importContainer.edgeExists("2", "1"));
    }

    @Test
    public void testEdgeExistsSelfLoop() {
        ImportContainerImpl importContainer = new ImportContainerImpl();
        generateTinyGraphWithSelfLoop(importContainer, EdgeDirection.DIRECTED);
        Assert.assertTrue(importContainer.edgeExists("1", "1"));

        importContainer = new ImportContainerImpl();
        generateTinyGraphWithSelfLoop(importContainer, EdgeDirection.UNDIRECTED);
        Assert.assertTrue(importContainer.edgeExists("1", "1"));
    }

    @Test
    public void testRemoveEdge() {
        ImportContainerImpl importContainer = new ImportContainerImpl();
        generateTinyGraph(importContainer);
        importContainer.removeEdge(importContainer.getEdge("1"));

        Assert.assertTrue(importContainer.verify());
        Assert.assertEquals(1, importContainer.getUnloader().getEdgeCount());
    }

    @Test
    public void testCheckSpecialCharacterNode() {
        ImportContainerImpl container = new ImportContainerImpl();

        container.addNode(new NodeDraftImpl(container, "foo ", 1));
        container.verify();
        Utils.assertContainerIssues(container.getReport(), Issue.Level.WARNING, "foo ");
    }

    @Test
    public void testCheckSpecialCharacterEdge() {
        ImportContainerImpl container = new ImportContainerImpl();

        NodeDraft node = new NodeDraftImpl(container, "0", 1);
        container.addNode(node);
        EdgeDraft edge = new EdgeDraftImpl(container, "bar ");
        edge.setSource(node);
        edge.setTarget(node);
        container.addEdge(edge);
        container.verify();
        Utils.assertContainerIssues(container.getReport(), Issue.Level.WARNING, "bar ");
    }

    // Utility

    private void generateTinyUndirectedGraph(ImportContainerImpl container) {
        NodeDraft node1 = container.factory().newNodeDraft("1");
        NodeDraft node2 = container.factory().newNodeDraft("2");
        EdgeDraft edge1 = container.factory().newEdgeDraft("1");
        edge1.setDirection(EdgeDirection.UNDIRECTED);
        edge1.setSource(node1);
        edge1.setTarget(node2);

        container.addNode(node1);
        container.addNode(node2);
        container.addEdge(edge1);
    }

    private void generateTinyGraphWithSelfLoop(ImportContainerImpl container, EdgeDirection edgeDirection) {
        NodeDraft node1 = container.factory().newNodeDraft("1");
        EdgeDraft edge1 = container.factory().newEdgeDraft("1");
        edge1.setDirection(edgeDirection);
        edge1.setSource(node1);
        edge1.setTarget(node1);

        container.addNode(node1);
        container.addEdge(edge1);
    }

    private void generateTinyGraph(ImportContainerImpl container) {
        NodeDraft node1 = container.factory().newNodeDraft("1");
        NodeDraft node2 = container.factory().newNodeDraft("2");
        EdgeDraft edge1 = container.factory().newEdgeDraft("1");
        edge1.setDirection(EdgeDirection.DIRECTED);
        edge1.setSource(node1);
        edge1.setTarget(node2);
        EdgeDraft edge2 = container.factory().newEdgeDraft("2");
        edge2.setDirection(EdgeDirection.DIRECTED);
        edge2.setSource(node2);
        edge2.setTarget(node1);

        container.addNode(node1);
        container.addNode(node2);
        container.addEdge(edge1);
        container.addEdge(edge2);
    }
}
