package jalview.io;

import jalview.json.binding.v1.BioJSReleasePojo;
import jalview.json.binding.v1.BioJSRepositoryPojo;

import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLConnection;
import java.util.TreeMap;

import org.junit.Assert;
import org.junit.Test;


public class BioJsHTMLOutputTest
{

  @Test
  public void getJalviewAlignmentAsJsonString()
  {
    BioJsHTMLOutput bioJsHtmlOutput = new BioJsHTMLOutput(null, null);
    String bjsTemplate = null;
    try
    {
      bioJsHtmlOutput.updateBioJS();
      try
      {
        // allow the update some three seconds to complete before getting latest
        // version of BioJS template
        Thread.sleep(1000 * 3);
      } catch (InterruptedException e)
      {
        e.printStackTrace();
      }
      bjsTemplate = BioJsHTMLOutput.getBioJsTemplateAsString();
      // System.out.println(bjsTemplate);
    } catch (IOException e)
    {
      e.printStackTrace();
    }
    Assert.assertNotNull(bjsTemplate);
  }

  @Test(expected = NullPointerException.class)
  public void expectedNullPointerException()
  {
    BioJsHTMLOutput bjs = new BioJsHTMLOutput(null, null);
    try
    {
      bjs.refreshBioJSVersionsInfo(null);
    } catch (URISyntaxException e)
    {
      Assert.fail("Expception occured while testing!");
      e.printStackTrace();
    }
  }

  @Test
  public void getBioJsMSAVersions()
  {
    BioJsHTMLOutput bjs = new BioJsHTMLOutput(null, null);
    TreeMap<String, File> versions = null;
    try
    {
      bjs.refreshBioJSVersionsInfo(BioJsHTMLOutput.BJS_TEMPLATES_LOCAL_DIRECTORY);
      versions = BioJsHTMLOutput.getBioJsMSAVersions();
    } catch (URISyntaxException e)
    {
      Assert.fail("Expception occured while testing!");
      e.printStackTrace();
    }
    Assert.assertNotNull("No versions found", versions);
    Assert.assertTrue("One or more Templates required", versions.size() > 0);
    System.out
            .println("Number of discovered versions : "
            + versions.size());
    for (String v : versions.keySet())
    {
      System.out.println("version : " + v);
      System.out.println("File : " + versions.get(v));
    }

    System.out.println("\nCurrent latest version : "
            + BioJsHTMLOutput.getCurrentBJSTemplateFile());
    Assert.assertNotNull("Latest BioJsMSA version NOT found!",
            BioJsHTMLOutput.getCurrentBJSTemplateFile());

  }

  @Test
  public void testBioJsUpdate()
  {
    String url = BioJsHTMLOutput.BJS_TEMPLATE_GIT_REPO;
    Assert.assertTrue("URL not reacable : " + url, urlIsReachable(url));
    String response = BioJsHTMLOutput.getURLContentAsString(url);
    Assert.assertNotNull("Null response read from url!", response);
    BioJSRepositoryPojo repository = new BioJSRepositoryPojo(response);
    System.out.println(">>> description : " + repository.getDescription());
    System.out
.println(">>> latest version : "
            + repository.getLatestReleaseVersion());
    System.out.println(">>> repo count : "
            + repository.getReleases().size());
    for (BioJSReleasePojo release : repository.getReleases())
    {
      System.out.println("repo type : " + release.getType());
      System.out.println("url : " + release.getUrl());
      System.out.println("release version : " + release.getVersion());
    }
  }

  private static boolean urlIsReachable(String urlString)
  {
    try
    {
      final URL url = new URL(urlString);
      final URLConnection conn = url.openConnection();
      conn.connect();
      return true;
    } catch (MalformedURLException e)
    {
      throw new RuntimeException(e);
    } catch (IOException e)
    {
      return false;
    }
  }
}