jQuery(document).ready(function () {

  jQuery("#applications_progress_bar").progressBar({showText: false});

});

function bulkReview(data) {

  // some global constants

  var GLOBAL_LINK = data.link;

  var TOTAL_APPLICATIONS = data.nr_applications;

  // some global variables set needed for internal iteration

  var application_index = 0;

  // number of iteration is not taken from data.nr_applications

  // to ensure avoidance of array out of bounds errors

  var total_index = data.applications.length;

  // call immediately the function for review

  // real iteration is inside

  setTimeout(

    function () {

      var error_happened = false;

      var application = data.applications[application_index];

      var current_application = application_index + 1;

      // regular expression to find a valid scope path

      // inside matching parenthesis

      var re = /\((\w*)\)/;

      var scope_path = GLOBAL_LINK.match(re)[1];

      // the URL is obtained by using the scope path found

      // in the matching parenthesis

      var url_to_call = GLOBAL_LINK.replace(re, application[scope_path]);

      // now we can call the URL found

      jQuery.ajax({

        async: false,

        cache: false,

        url: url_to_call,

        timeout: 10000,

        success: function (data) {

          if (data) {

            // update progress bar percentage and description

            var percentage =

              Math.floor(100 * (current_application) / (TOTAL_APPLICATIONS));

            jQuery("#description_progressbar").html([

              " Processed application ", application.name,

              " (", current_application, "/", TOTAL_APPLICATIONS, ")"

            ].join(""));

            jQuery("#applications_progress_bar").progressBar(percentage);

          }

        },

        error: function (XMLHttpRequest, textStatus, errorThrown) {

          // if there is an error return the button and

          // leave a try again message

          error_happened = true;

          jQuery("[id^=button_bulk_]").fadeIn(

            "slow",

            function () {

              jQuery("#description_done").html([

                "<strong class='error'>",

                "  Error encountered, try again",

                "</strong>"

              ].join(""));

            }

          );

        }

      });

      // if there were no errors, continue the iteration

      if (!error_happened) {

        // prepare for new iteration and then recall this function

        application_index++;

        if (application_index < total_index) {

          setTimeout(arguments.callee, 0);

        }

        else {

          // all ok, tell the user we are done

          jQuery("#applications_progress_bar").fadeOut(

            "slow",

            function () {

              jQuery("#applications_progress_bar").progressBar(0);

              jQuery("[id^=button_bulk_]").fadeIn("slow");

            }

          );

          jQuery("#description_progressbar").html("");

          jQuery("#description_done").html("<strong>Done!</strong>");

        }

      }

    },

    0

  );

}

function bulkReviewInit(bulk_review_link, button) {

  // get the JSON object with details of every application for bulk acceptance

  jQuery.getJSON(

    bulk_review_link + "?_=" + (new Date().getTime()),

    function (data) {

      // If there are applications to review...

      if (data.nr_applications !== 0) {

        //...then fade out the button, show the progress bar and call the function for review

        jQuery("[id^=button_bulk_]").fadeOut(

          "slow",

          function () {

            jQuery("#applications_progress_bar").progressBar(0);

            jQuery("#description_done").html("");

            jQuery("#applications_progress_bar").fadeIn("slow", bulkReview(data));

          }

        );

      }

      else {

        var no_organization_text = "No organizations to ";

        if (jQuery(button).attr("id").indexOf("reject") !== -1) {

          no_organization_text += "reject";

        }

        else {

          no_organization_text += "accept";

        }

        jQuery("#description_done").html("<strong>" + no_organization_text + "</strong>");

      }

    }

  );

}