/*************************GO-LICENSE-START*********************************
 * Copyright 2014 ThoughtWorks, Inc.
 *
 * Licensed 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.
 *************************GO-LICENSE-END***********************************/

package com.thoughtworks.go.domain;

import com.thoughtworks.go.server.presentation.models.HtmlRenderer;
import org.hamcrest.Matchers;
import org.jdom2.Element;
import org.jdom2.JDOMException;
import org.jdom2.input.SAXBuilder;
import org.junit.Test;

import java.io.IOException;
import java.io.StringReader;

import static org.hamcrest.CoreMatchers.hasItem;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertThat;

/**
 * @understands
 */
public class DirectoryEntriesTest {

    @Test
    public void shouldReturnAMessageWhenThereAreNoArtifacts() throws Exception {
        HtmlRenderer renderer = new HtmlRenderer("context");
        DirectoryEntries directoryEntries = new DirectoryEntries();
        directoryEntries.add(new FolderDirectoryEntry("cruise-output", "", new DirectoryEntries()));
        directoryEntries.setIsArtifactsDeleted(true);
        directoryEntries.render(renderer);
        Element document = getRenderedDocument(renderer);
        assertThat(document.getChildren().size(), is(2));
        assertThat(document.getChild("p").getTextNormalize(),
                Matchers.containsString("Artifacts for this job instance are unavailable as they may have been or deleted externally. Re-run the stage or job to generate them again."));
        assertThat(document.getChild("ul").getChild("div").getChild("span").getChild("a").getTextNormalize(), is("cruise-output"));
    }

    @Test
    public void shouldReturnAMessageWhenAllArtifactsArePurgedIncludingCruiseOutput() throws Exception {
        HtmlRenderer renderer = new HtmlRenderer("context");
        DirectoryEntries directoryEntries = new DirectoryEntries();
        directoryEntries.setIsArtifactsDeleted(true);
        directoryEntries.render(renderer);
        Element document = getRenderedDocument(renderer);
        assertThat(document.getChildren().size(), is(1));
        assertThat(document.getChild("p").getTextNormalize(),
                Matchers.containsString("Artifacts for this job instance are unavailable as they may have been or deleted externally. Re-run the stage or job to generate them again."));
    }

    @Test
    public void shouldReturnAMessageWhenAllArtifactsHaveBeenDeletedButArtifactsDeletedFlagHasNotBeenSet() throws Exception {
        HtmlRenderer renderer = new HtmlRenderer("context");
        DirectoryEntries directoryEntries = new DirectoryEntries();
        directoryEntries.render(renderer);
        Element document = getRenderedDocument(renderer);
        assertThat(document.getChildren().size(), is(1));
        assertThat(document.getChild("p").getTextNormalize(),
                Matchers.containsString("Artifacts for this job instance are unavailable as they may have been or deleted externally. Re-run the stage or job to generate them again."));
    }


    @Test
    public void shouldListAllArtifactsWhenArtifactsNotPurged() throws Exception {
        HtmlRenderer renderer = new HtmlRenderer("context");
        DirectoryEntries directoryEntries = new DirectoryEntries();
        directoryEntries.add(new FolderDirectoryEntry("cruise-output", "", new DirectoryEntries()));
        directoryEntries.add(new FolderDirectoryEntry("some-artifact", "", new DirectoryEntries()));

        directoryEntries.render(renderer);
        Element document = getRenderedDocument(renderer);

        assertThat(document.getChildren().size(), is(2));
        Element cruiseOutputElement = (Element) document.getChildren().get(0);
        assertThat(cruiseOutputElement.getChild("div").getChild("span").getChild("a").getTextNormalize(), is("cruise-output"));
        Element artifactElement = (Element) document.getChildren().get(1);
        assertThat(artifactElement.getChild("div").getChild("span").getChild("a").getTextNormalize(), is("some-artifact"));
    }

    @Test
    public void shouldAddFolder() throws Exception {
        DirectoryEntries directoryEntries = new DirectoryEntries();
        directoryEntries.addFolder("cruise-output");

        assertThat(directoryEntries, hasItem(new FolderDirectoryEntry("cruise-output", "", new DirectoryEntries())));
    }

    @Test
    public void shouldAddFile() throws Exception {
        DirectoryEntries directoryEntries = new DirectoryEntries();
        directoryEntries.addFile("console.log", "path");

        assertThat(directoryEntries, hasItem(new FileDirectoryEntry("console.log", "path")));
    }

    private Element getRenderedDocument(HtmlRenderer renderer) throws JDOMException, IOException {
        String renderedString = "<div>" + renderer.asString() + "</div>";
        return new SAXBuilder().build(new StringReader(renderedString)).getRootElement();
    }

}