/**
 * Gender dimorphism script by [[User:Fran Rogers]]
 * Displays a user's gender in the title of their user/user talk page for you 
 * if they've specified it in their preferences. Say goodbye to embarrassing 
 * pronoun mistakes!
 */

// If on a user or user talk page, and not a subpage...
if ((mw.config.get('wgNamespaceNumber') == 2 || mw.config.get('wgNamespaceNumber') == 3) &&
    !/\//.test(mw.config.get('wgTitle'))) {
  // add a hook to...
  $(function() {

  if(typeof sajax_init_object  === 'undefined') return;
    // init AJAX and request the user's gender from the API
    var a = sajax_init_object();
    a.open("GET", mw.config.get('wgServer') + mw.config.get('wgScriptPath') + 
                  "/api.php?format=json&action=query&list=users&ususers=" + 
                  escape(mw.config.get('wgTitle').replace(/ /, "_")) + "&usprop=gender",
           true);

    // when response arrives...
    a.onreadystatechange = function() {
      if(a.readyState == 4 && a.status == 200) {
        // parse the JSON response
        var genderText = 
          eval("(" + a.responseText + ")").query.users[0].gender;

        // U+2640 and U+2642 are female and male signs respectively.
        var genderSymbol = "";
        if (genderText == "female") {
          genderSymbol = "♀";
        } else if (genderText == "male") {
          genderSymbol = "♂";
        }


        // if gender was specified, append the symbol
        if (genderSymbol != "") {
          document.getElementById("firstHeading").innerHTML += 
            " " + genderSymbol;
        }
      }
    };

    // send the API request
    a.send();
  });
}