/**
* jquery.plupload.queue.js
*
* Copyright 2009, Moxiecode Systems AB
* Released under GPL License.
*
* License: http://www.plupload.com/license
* Contributing: http://www.plupload.com/contributing
*/

// JSLint defined globals
/*global plupload:false, jQuery:false, alert:false */

(function($) {
	var uploaders = {};

	function _(str) {
		return plupload.translate(str) || str;
	}

	function renderUI(id, target) {
		// Remove all existing non plupload items
		target.contents().each(function(i, node) {
			node = $(node);

			if (!node.is('.plupload')) {
				node.remove();
			}
		});

		target.prepend(
			'<div class="plupload_wrapper plupload_scroll">' +
				'<div id="' + id + '_container" class="plupload_container">' +
					'<div class="plupload">' +

						'<div class="plupload_content">' +

							'<ul id="' + id + '_filelist" class="plupload_filelist"></ul>' +

							'<div class="plupload_filelist_footer">' +
								'<div class="plupload_file_name">' +
									'<div class="plupload_buttons">' +
										'<a href="#" class="plupload_button plupload_add">' + _('L&auml;gg till bilder') + '</a>' +
										'<a href="#" class="plupload_button plupload_start">' + _('Starta uppladdning') + '</a>' +
									'</div>' +
								'</div>' +
								'<div class="plupload_file_action"></div>' +
								'<div class="plupload_clearer">&nbsp;</div>' +
							'</div>' +
						'</div>' +
					'</div>' +
				'</div>' +
				'<input type="hidden" id="' + id + '_count" name="' + id + '_count" value="0" />' +
			'</div>'
		);
	}

	$.fn.pluploadQueue = function(settings) {
		if (settings) {
			this.each(function() {
				var uploader, target, id;

				target = $(this);
				id = target.attr('id');

				if (!id) {
					id = plupload.guid();
					target.attr('id', id);
				}

				uploader = new plupload.Uploader($.extend({
					dragdrop: true,
					container: id
				}, settings));

				uploaders[id] = uploader;

				function handleStatus(file) {
					var actionClass;

					if (file.status == plupload.DONE) {
						actionClass = '';
					}

					if (file.status == plupload.FAILED) {
						actionClass = 'plupload_failed';
					}

					if (file.status == plupload.QUEUED) {
						actionClass = 'plupload_delete';
					}

					if (file.status == plupload.UPLOADING) {
						actionClass = '';
					}

					$('#' + file.id).attr('class', actionClass).find('a').css('display', 'block');
				}

				function updateList() {
					var fileList = $('ul.plupload_filelist', target).html(''), inputCount = 0, inputHTML;

					$.each(uploader.files, function(i, file) {
						inputHTML = '';

						if (file.status == plupload.DONE) {
							if (file.target_name) {
								inputHTML += '<input type="hidden" name="' + id + '_' + inputCount + '_tmpname" value="' + plupload.xmlEncode(file.target_name) + '" />';
							}

							inputHTML += '<input type="hidden" name="' + id + '_' + inputCount + '_name" value="' + plupload.xmlEncode(file.name) + '" />';
							inputHTML += '<input type="hidden" name="' + id + '_' + inputCount + '_status" value="' + (file.status == plupload.DONE ? 'done' : 'failed') + '" />';

							inputCount++;

							$('#' + id + '_count').val(inputCount);
						}

						fileList.append(
							'<li id="' + file.id + '">' +
								'<div class="plupload_file_name"><span>' + file.name + '</span></div>' +
								'<div class="plupload_file_action"><a href="#"></a></div>' +
								'<div class="plupload_file_status">' + file.percent + '%</div>' +
								'<div class="plupload_file_size">' + plupload.formatSize(file.size) + '</div>' +
								'<div class="plupload_clearer">&nbsp;</div>' +
								inputHTML +
							'</li>'
						);

						handleStatus(file);

						$('#' + file.id + '.plupload_delete a').click(function(e) {
							$('#' + file.id).remove();
							uploader.removeFile(file);

							e.preventDefault();
						});
					});

					$('span.plupload_total_file_size', target).html(plupload.formatSize(uploader.total.size));

					if (uploader.total.queued === 0) {
						$('span.plupload_add_text', target).text(_('L&auml;gg till filer.'));
					} else {
						$('span.plupload_add_text', target).text(uploader.total.queued + ' filer i k&ouml;.');
					}

					$('a.plupload_start', target).toggleClass('plupload_disabled', uploader.files.length == (uploader.total.uploaded + uploader.total.failed));

					// Scroll to end of file list
					fileList[0].scrollTop = fileList[0].scrollHeight;

					// Re-add drag message if there is no files
					if (!uploader.files.length && uploader.features.dragdrop && uploader.settings.dragdrop) {
						$('#' + id + '_filelist').append('<li class="plupload_droptext">' + _("Dra filerna hit.") + '</li>');
					}
				}

				uploader.bind("UploadFile", function(up, file) {
					$('#' + file.id).addClass('plupload_current_file');
				});

				uploader.bind('Init', function(up, res) {
					renderUI(id, target);

					// Enable rename support
					if (!settings.unique_names && settings.rename) {
						$('#' + id + '_filelist div.plupload_file_name span', target).live('click', function(e) {
							var targetSpan = $(e.target), file, parts, name, ext = "";

							// Get file name and split out name and extension
							file = up.getFile(targetSpan.parents('li')[0].id);
							name = file.name;
							parts = /^(.+)(\.[^.]+)$/.exec(name);
							if (parts) {
								name = parts[1];
								ext = parts[2];
							}

							// Display input element
							targetSpan.hide().after('<input type="text" />');
							targetSpan.next().val(name).focus().blur(function() {
								targetSpan.show().next().remove();
							}).keydown(function(e) {
								var targetInput = $(this);

								if (e.keyCode == 13) {
									e.preventDefault();

									// Rename file and glue extension back on
									file.name = targetInput.val() + ext;
									targetSpan.text(file.name);
									targetInput.blur();
								}
							});
						});
					}

					$('a.plupload_add', target).attr('id', id + '_browse');

					up.settings.browse_button = id + '_browse';

					// Enable drag/drop
					if (up.features.dragdrop && up.settings.dragdrop) {
						up.settings.drop_element = id + '_filelist';
						$('#' + id + '_filelist').append('<li class="plupload_droptext">' + _("Dra in filerna hit.") + '</li>');
					}

					$('a.plupload_start', target).click(function(e) {
						if (!$(this).hasClass('plupload_disabled')) {
							uploader.start();
						}

						e.preventDefault();
					});

					$('a.plupload_stop', target).click(function(e) {
						e.preventDefault();
						uploader.stop();
					});

					$('a.plupload_start', target).addClass('plupload_disabled');
				});

				uploader.init();

				uploader.bind("Error", function(up, err) {
					var file = err.file, message;

					if (file) {
						message = err.message;

						if (err.details) {
							message += " (" + err.details + ")";
						}

						if (err.code == plupload.FILE_SIZE_ERROR) {
							alert(_("Error: File to large: ") + file.name);
						}

						if (err.code == plupload.FILE_EXTENSION_ERROR) {
							alert(_("Error: Invalid file extension: ") + file.name);
						}

						$('#' + file.id).attr('class', 'plupload_failed').find('a').css('display', 'block').attr('title', message);
					}
				});

				uploader.bind('StateChanged', function() {
					if (uploader.state === plupload.STARTED) {
						$('li.plupload_delete a,div.plupload_buttons', target).hide();

						if (settings.multiple_queues) {
							$('span.plupload_total_status,span.plupload_total_file_size', target).show();
						}
					} else {
						updateList();
						$('a.plupload_stop', target).hide();
						$('a.plupload_delete', target).css('display', 'block');
					}
				});

				uploader.bind('QueueChanged', updateList);

				uploader.bind('FileUploaded', function(up, file, r) {
					handleStatus(file);

					var id = $("#existingPhotos ul li").length;
					var m = "<li>" +
							"	<div class=\"image-container\">" +
							"		<img src=\"" + SwedishLaplandArchipelago.baseUrl + "archipelago/resizehandler.ashx?mh=120&mw=156&pl=" + SwedishLaplandArchipelago.pageLink + "&f=" + r.response + "\" />" +
							"	</div>" +
							"	<input type=\"text\" class=\"title\">" +
							"	<input type=\"radio\" name=\"editmainimage\" id=\"editMainImage_" + id + "\" class=\"main-image\" value=\"" + r.response + "\">" +
							"	<label for=\"editMainImage_" + id + "\">Huvudbild</label>" +
							"	<input type=\"hidden\" id=\"editImage_" + id + "\" class=\"filename\" value=\"" + r.response + "\">" +
							"</li>";

					$("#existingPhotos ul li:first").before(m);
				});

				uploader.bind("UploadProgress", function(up, file) {
					// Set file specific progress
					$('#' + file.id, target).css("background-position", -(700 - ((file.percent / 100) * 700)) + "px 0");

					handleStatus(file);

					if (settings.multiple_queues && uploader.total.uploaded + uploader.total.failed == uploader.files.length) {
						$(".plupload_buttons", target).css("display", "inline");
						$(".plupload_start", target).addClass("plupload_disabled");
						$('span.plupload_total_status,span.plupload_total_file_size', target).hide();
					}
				});

				// Call setup function
				if (settings.setup) {
					settings.setup(uploader);
				}
			});

			return this;
		} else {
			// Get uploader instance for specified element
			return uploaders[$(this[0]).attr('id')];
		}
	};
})(jQuery);