package jalview.urls;

import jalview.urls.api.UrlProviderI;
import jalview.urls.desktop.DesktopUrlProviderFactory;
import jalview.util.UrlConstants;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.List;

import org.testng.Assert;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;


public class UrlProviderTest {
  
  // Test identifiers.org download file
  private static final String testIdOrgString = "{\"Local\": [{\"id\":\"MIR:00000002\",\"name\":\"ChEBI\",\"pattern\":\"^CHEBI:\\d+$\","
         + "\"definition\":\"Chemical Entities of Biological Interest (ChEBI)\",\"prefix\":\"chebi\","
         + "\"url\":\"http://identifiers.org/chebi\"},{\"id\":\"MIR:00000005\",\"name\":\"UniProt Knowledgebase\","
         + "\"pattern\":\"^([A-N,R-Z][0-9]([A-Z][A-Z, 0-9][A-Z, 0-9][0-9]){1,2})|([O,P,Q][0-9][A-Z, 0-9][A-Z, 0-9][A-Z, 0-9][0-9])(\\.\\d+)?$\","
         + "\"definition\":\"The UniProt Knowledgebase (UniProtKB)\",\"prefix\":\"uniprot\",\"url\":\"http://identifiers.org/uniprot\"},"
         + "{\"id\":\"MIR:00000011\",\"name\":\"InterPro\",\"pattern\":\"^IPR\\d{6}$\",\"definition\":\"InterPro\",\"prefix\":\"interpro\","
         + "\"url\":\"http://identifiers.org/interpro\"},"
         + "{\"id\":\"MIR:00000372\",\"name\":\"ENA\",\"pattern\":\"^[A-Z]+[0-9]+(\\.\\d+)?$\",\"definition\":\"The European Nucleotide Archive (ENA),\""
          + "\"prefix\":\"ena.embl\",\"url\":\"http://identifiers.org/ena.embl\"}]}";

  private UrlProviderI prov;

  @BeforeMethod(alwaysRun = true)
  public void setup()
  {
   // make a dummy identifiers.org download file
   File temp = null;

   try
   {
     temp = File.createTempFile("tempfile", ".tmp");
     temp.deleteOnExit();
     BufferedWriter bw = new BufferedWriter(new FileWriter(temp));
     bw.write(testIdOrgString);
     bw.close();
   } catch (IOException e)
   {
      System.out.println("Error initialising UrlProviderTest test: "
              + e.getMessage());
   }

   IdOrgSettings.setDownloadLocation(temp.getPath());

    String defaultUrlString = "No default";
    String cachedUrlList = "MIR:00000005|MIR:00000011|Test1|http://blah.blah/$SEQUENCE_ID$|"
            + "Test2|http://test2/$DB_ACCESSION$|Test3|http://test3/$SEQUENCE_ID$";
    String userUrlList = "MIR:00000372|Test4|httpL//another.url/$SEQUENCE_ID$";

    DesktopUrlProviderFactory factory = new DesktopUrlProviderFactory(
            defaultUrlString, cachedUrlList, userUrlList);
    prov = factory.createUrlProvider();
 }

  @Test(groups = { "Functional" })
  public void testInitUrlProvider()
  {
    String emblUrl = UrlConstants.DEFAULT_STRING.substring(
            UrlConstants.DEFAULT_STRING.indexOf(UrlConstants.SEP) + 1,
            UrlConstants.DEFAULT_STRING.length());

    // chooses EMBL url when default Url id does not exist in provided url lists
    Assert.assertEquals(prov.getPrimaryUrlId(), UrlConstants.DEFAULT_LABEL);
    Assert.assertEquals(prov.getPrimaryUrl("FER_CAPAN"),
            emblUrl.replace("$SEQUENCE_ID$", "FER_CAPAN"));

    List<String> menulinks = prov.getLinksForMenu();
    List<UrlLinkDisplay> allLinks = prov.getLinksForTable();

    // 9 links in provider - 4 from id file, 4 custom links, 1 additional
    // default
    Assert.assertEquals(allLinks.size(), 9);

    // 6 links in menu (cachedUrlList) + new default
    Assert.assertEquals(menulinks.size(), 6);

    Assert.assertTrue(menulinks
            .contains("Test1|http://blah.blah/$SEQUENCE_ID$"));
    Assert.assertTrue(menulinks
            .contains("Test2|http://test2/$DB_ACCESSION$"));
    Assert.assertTrue(menulinks
            .contains("Test3|http://test3/$SEQUENCE_ID$"));
    Assert.assertTrue(menulinks
            .contains("UniProt Knowledgebase|http://identifiers.org/uniprot/$DB_ACCESSION$|uniprot"));
    Assert.assertTrue(menulinks
            .contains("InterPro|http://identifiers.org/interpro/$DB_ACCESSION$|interpro"));
    Assert.assertTrue(menulinks.contains(UrlConstants.DEFAULT_LABEL
            + UrlConstants.SEP + emblUrl));
  }

  @Test(groups = { "Functional" })
  public void testSetDefaultUrl()
  {
    // set custom url as default
    Assert.assertTrue(prov.setPrimaryUrl("Test1"));
    Assert.assertEquals(prov.getPrimaryUrlId(), "Test1");

    // set identifiers url as default
    Assert.assertTrue(prov.setPrimaryUrl("MIR:00000011"));
    Assert.assertEquals(prov.getPrimaryUrlId(), "MIR:00000011");
  }

  @Test(
    groups = { "Functional" },
    expectedExceptions = { IllegalArgumentException.class })
  public void testSetDefaultUrlWrongly()
  {
    // don't allow default to be a non-key
    prov.setPrimaryUrl("not-a-key");
  }
}