$(document).ready(function() {

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

});

function bulkReviewInit(bulk_review_link,button) {

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

	$.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

				$("[id^=button_bulk_]").fadeOut("slow",

					function() {

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

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

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

					}

				);

			}else {

				var no_organization_text="No organizations to ";

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

					no_organization_text+="reject";

				}

				else {

					no_organization_text+="accept";

				}

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

			}

		}

	);

}

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, eval("application." + scope_path));

		// now we can call the URL found

		$.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));

					$("#description_progressbar").html(" Processed application " + application.name + " (" + (current_application) + "/" + TOTAL_APPLICATIONS + ")");

					$("#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;

				$("[id^=button_bulk_]").fadeIn("slow", function() {

					$("#description_done").html("<strong class='error'> Error encountered, try again</strong>");

				});

			}

		});

		// 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

				$("#applications_progress_bar").fadeOut("slow",

					function() {

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

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

					}

				);

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

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

			}

		}

	},0);

}