/* Site specific Javascrript code */

(function($) {
  $(document).ready(function() {

    // Pages with sign in interface
    if ($("div.sign-in-interface").length) {
      setUpSignInInterfaces();
    }

    // Add Google Analytics to PDF files
    addGoogleAnalyticsToFiles();

    // Add Gallery
    if ($("#gallery").length){
       gallery();
    };

  });  
})(jQuery);

// Toggle Form

 $(document).ready(function() { $('.toggleform').click(function(){ $('div.showhide,div.messagebox').toggle(); }); });
  
// Add new function declarations specific to one Tait mini site here

function setUpSignInInterfaces() {

  // If user presses the Enter key, either click the Get Access button or the Sign In button depending on which input element currently has the focus
  $('input.email-address').keypress(function(e){
    if (e.which == 13) {
      $("input.get-access-button").click();
    }
  });
  $('input.username, input.password').keypress(function(e){
    if (e.which == 13) {
      $("input.sign-in-button").click();
    }
  });

  // When 'Access this xxx' link is clicked, drop down the Sign in interface and show the Close button
  $("a.open-sign-in-interface").click(function() {
  
    var signInWrapper = $(this).parents("div.sign-in-interface-wrapper");
    signInWrapper.find("a.close-sign-in-interface").show();
    signInWrapper.find("div.sign-in-interface").slideDown();
  
  });

  // When the Close button is clicked, hide the Sign in interface and the Close button
  $("a.close-sign-in-interface").click(function() {
  
    $(this).hide();
    var signInWrapper = $(this).parents("div.sign-in-interface-wrapper");
    signInWrapper.find("div.sign-in-interface").slideUp();
  
  });
  
  // When the Get Access button is clicked, send the email address to Tait via a Custom Form.
  $("input.get-access-button").click(function() {

    var formName = "SQ_FORM_40441_PAGE";
    var formPage = "1";
    var formSubmitName = "form_email_40441_submit";
    var formSubmitVal = "Submit";

    var ajaxQuery = "&" + formName + "=" + formPage + "&" + formSubmitName + "=" + formSubmitVal;
    var emailAddress = $(this).parents("form").find("input.email-address").attr("value");
    var serializedData = "q40441:q1=" + emailAddress;
    
    var signInWrapper = $(this).parents("div.sign-in-interface-wrapper");
    
    // Client side check for valid email address
    if (isValidEmail(emailAddress)) {

      $.post("/guest-user-custom-form", serializedData + ajaxQuery, function(data) {

        // Server side check to see if custom form returned any errors (invalid email address)
        if (data.indexOf('Question "EmailAddress" is a required field; it must be filled in') > -1 ) {

          signInWrapper.find("div.new-visitors-error").text("Invalid email address");
        } else {
          signInWrapper.find("div.new-visitors-error").text("");

          // Now sign the user in using the Guest user account
          signInWrapper.find("input.username").attr("value", "uguest");
          signInWrapper.find("input.password").attr("value", "utilities");
          signInWrapper.find("input.sign-in-button").click();

        }

      });
    
    } else {

      signInWrapper.find("div.new-visitors-error").text("Invalid email address");

    }
    
  });
  
  // When the Sign in button is clicked, populate the hidden login form with the username and password and then click the Login button
  $("input.sign-in-button").click(function() {

    var signInWrapper = $(this).parents("div.sign-in-interface-wrapper");
    var username = signInWrapper.find("input.username").attr("value");
    var password = signInWrapper.find("input.password").attr("value");

    $("#SQ_LOGIN_USERNAME").attr("value", username);
    $("#SQ_LOGIN_PASSWORD").attr("value", password);
    $("#log_in_out_button").click();

  });
  
  // If there are any errors logging in, show these on the form
  var loginErrors = $("#login-form-errors").text();
  if (loginErrors.length) {
    $("div.registered-users-error").text(loginErrors);
  }

  // Ensure height of new-visitors and registered-users divs are the same. The height should be set to the maximum of the two.
  var newVisitors = $("div.new-visitors:first");
  var registeredUsers = $("div.regisitered-users:first");
  var newVisitorsHeight = newVisitors.css("height");
  var registeredUsersHeight = registeredUsers.css("height");
  
  if (newVisitorsHeight > registeredUsersHeight) {
    $(registeredUsers).css("height", newVisitorsHeight);
  } else {
    $(newVisitors).css("height", registeredUsersHeight);
  }
  

} // end of setUpSignInInterfaces()

function addGoogleAnalyticsToFiles() {

  // Add Google Analytics code to any PDF link. 
  $("a[href$='.pdf']").each(function() {

    var href = $(this).attr("href");

    // Extract the filename from the href string
    var lastSlashPos = href.lastIndexOf("/");
    href = href.substring(lastSlashPos);

    var onClickStr = "javascript: pageTracker._trackPageview('" + href + "'); ";

    $(this).attr("onclick", onClickStr);

  });

} // end addGoogleAnalyticsToFiles

function isValidEmail(emailAddress) {

  var pattern = new RegExp(/^(("[\w-\s]+")|([\w-]+(?:\.[\w-]+)*)|("[\w-\s]+")([\w-]+(?:\.[\w-]+)*))(@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$)|(@\[?((25[0-5]\.|2[0-4][0-9]\.|1[0-9]{2}\.|[0-9]{1,2}\.))((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\.){2}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\]?$)/i);
  return pattern.test(emailAddress);

} // end isValidEmail


function gallery() {
    var galleries = $('.ad-gallery').adGallery();
    $('#switch-effect').change(
      function() {
        galleries[0].settings.effect = $(this).val();
        return false;
      }
    );
    $('#toggle-slideshow').click(
      function() {
        galleries[0].slideshow.toggle();
        return false;
      }
    );
    $('#toggle-description').click(
      function() {
        if(!galleries[0].settings.description_wrapper) {
          galleries[0].settings.description_wrapper = $('#descriptions');
        } else {
          galleries[0].settings.description_wrapper = false;
        }
        return false;
      }
    );
	$('.ad-gallery .ad-back').mouseenter(function(){$(this).addClass('roll')}).mouseleave(function(){$(this).removeClass('roll')});
	$('.ad-gallery .ad-forward').mouseenter(function(){$(this).addClass('roll')}).mouseleave(function(){$(this).removeClass('roll')});

   if ($(".ad-thumb-list li").length==1) {
      $(".ad-nav, .ad-controls, .ad-prev, .ad-next, .ad-loader").remove()
   }

} // end of gallery