/* globals wpml_media_popup */

jQuery(function ($) {
    var dialogBox = $('#wpml-media-dialog');
    var dialogForm = $('#wpml-media-dialog-form');
    var mediaFileUploadForm = $('#wpml-media-file-upload-form');

    dialogBox.dialog({
                         resizable: false,
                         draggable: false,
                         height   : 'auto',
                         width    : 800,
                         autoOpen : false,
		modal:         true,
		closeOnEscape: false,
		dialogClass:   'otgs-ui-dialog wpml-media-dialog wpml-dialog-translate',
		title:         wpml_media_popup.title,
		create:        function () {
			$('#jquery-ui-style-css').prop('disabled', true);
		},
		open:          function (event, ui) {
			$('.ui-dialog-titlebar-close', ui.dialog | ui).hide();
			repositionDialog();
			if (WPML_Media_Batch_Url_Translation.hasDialog) {
				WPML_Media_Batch_Url_Translation.reset();
			}
		},
		close:         function () {
			$('#jquery-ui-style-css').prop('disabled', false);
			if (WPML_Media_Batch_Url_Translation.hasDialog) {
				WPML_Media_Batch_Url_Translation.showDialog();
			}
		},
		buttons:       [
			{
				text:  wpml_media_popup.cancel,
				class: 'alignleft',
				click: function () {
					$(this).find('.spinner').remove();
					$(this).dialog('close');
				}
			},
			{
				text:     wpml_media_popup.save,
				class:    'button-primary alignright',
				disabled: true,
				click:    function () {
					var thisDialog = $(this);
					disableFormSave();
					var ajaxLoader      = $('<span class="spinner"></span>');
					var translationForm = thisDialog.find('form');
					ajaxLoader.insertBefore('.wpml-media-dialog .button-primary').css({
						visibility: 'visible',
						float:      'none'
					});
					$.ajax({
						url:      ajaxurl,
						type:     'POST',
						dataType: 'json',
						data:     translationForm.serialize(),
						success:  function (response) {

							if (response.success) {
								var originalAttachmentId      = translationForm.find('input[name="original-attachment-id"]').val();
								var translatedLanguage        = translationForm.find('input[name="translated-language"]').val();
								var mediaTranslationWrap      = $('#media-attachment-' + originalAttachmentId + '-' + translatedLanguage);
								var batchMediaTranslationWrap = $('#batch-media-translation-wrap');

								var isMediaUpload  = false;
								var isRestoreMedia = false;
								if (response.data.thumb) {
									mediaTranslationWrap.find('img').attr('src', response.data.thumb).fadeIn();
									mediaTranslationWrap.data('thumb', response.data.thumb);
									mediaTranslationWrap.data('media-is-translated', 1);
									mediaTranslationWrap.find('.otgs-ico-edit').hide();

									isMediaUpload = translationForm.find('input[name=update-media-file]').val();
								} else {
									mediaTranslationWrap.find('img').attr('src', '').hide();
									mediaTranslationWrap.data('thumb', '');
									mediaTranslationWrap.find('.otgs-ico-edit').show();
									mediaTranslationWrap.find('img')
										.closest('.js-open-media-translation-dialog')
										.removeClass('wpml-media-translation-image');
									mediaTranslationWrap.data('media-is-translated', 0);

									isRestoreMedia = translationForm.find('input[name=restore-media]').val();
								}

								if (isMediaUpload || isRestoreMedia) {
									WPML_Media_Batch_Url_Translation.createDialog(originalAttachmentId, response.data.usage);
									batchMediaTranslationWrap.find('#batch-media-translation-form').show();
									batchMediaTranslationWrap.removeClass('notice-success');
									batchMediaTranslationWrap.addClass('notice-info');
								}

								mediaTranslationWrap.attr('title', mediaTranslationWrap.data('language-name') + ': ' +
									wpml_media_popup.status_labels[response.data.status]);

								mediaTranslationWrap.data('title', $('#media-title-translation').val());
								mediaTranslationWrap.data('caption', $('#media-caption-translation').val());
								mediaTranslationWrap.data('alt_text', $('#media-alt-text-translation').val());
								mediaTranslationWrap.data('description', $('#media-description-translation').val());

								if (response.data.attachment_id) {
									mediaTranslationWrap.data('attachment-id', response.data.attachment_id);
								}

								if (mediaTranslationWrap.find('.otgs-ico-add:visible').length) {
									var addIcon = mediaTranslationWrap.find('.otgs-ico-add');
									addIcon.removeClass('otgs-ico-add').addClass('otgs-ico-edit');
									if (response.data.thumb) {
										addIcon.hide();
									}
									if (response.data.thumb) {
										mediaTranslationWrap.find('img')
											.closest('.js-open-media-translation-dialog')
											.addClass('wpml-media-translation-image');
									}
								}

								thisDialog.dialog('close');
								ajaxLoader.remove();

								translationForm.find('input[name=restore-media]').val(0);
								translationForm.find('input[name=update-media-file]').val(0);
							}

						}
					});
				}
			}
		]
	});

	function disableFormSave() {
		$('.wpml-media-dialog .ui-dialog-buttonset .button-primary').prop('disabled', true);
	}

	function enableFormSave(e) {
		if (typeof e !== 'undefined') {
			var charCode = (e.which) ? e.which : e.keyCode;
		}
		if (typeof e === 'undefined' || charCode >= 32 || charCode === 8) {
			$('.wpml-media-dialog .ui-dialog-buttonset .button-primary').prop('disabled', false);
		}
	}

	dialogForm.on('keyup', 'input, textarea', enableFormSave);

	$(window).resize(repositionDialog);

	function repositionDialog() {
		var winH = $(window).height() - 180;
		$('.wpml-media-dialog').css({
			'max-width': '95%'
		});

		$('.wpml-media-dialog .ui-dialog-content').css({
			'max-height': winH
		});

		dialogBox.dialog('option', 'position', {
			my: 'center',
			at: 'center',
			of: window
		});
	}

	$('.js-open-media-translation-dialog').click(function () {

		var attachmentRow   = $(this).closest('.wpml-media-attachment-row');
		var translatedMedia = $(this).closest('.wpml-media-wrapper');

		hideAllMediaTextFields();
		resetProgressAnimation();

		updateDialogImages(attachmentRow, translatedMedia);

		if (translatedMedia.data('media-is-translated')) {
			enableUsingTranslatedMediaFile();
		} else {
			enableUsingOriginalMediaFile();
		}

		updateDialogFormFields(attachmentRow, translatedMedia);

		updateDialogHiddenFormFields(attachmentRow, translatedMedia);

		dialogBox.dialog('open');

	});

	function updateDialogImages(attachmentRow, translatedMedia) {

		dialogBox.find('.wpml-header-original .wpml-title-flag img').attr('src', attachmentRow.data('flag'));
		dialogBox.find('.wpml-header-translation .wpml-title-flag img').attr('src', translatedMedia.data('flag'));

		$('.wpml-media-original-image .wpml-media-original-title')
			.html(attachmentRow.data('is-image') ? '' : attachmentRow.data('file-name'));
		$('.wpml-media-upload-handle .wpml-media-translated-title')
			.html(attachmentRow.data('is-image') || !translatedMedia.data('media-is-translated') ? '' : translatedMedia.data('file-name'));

		dialogBox.find('.wpml-header-original strong').html(attachmentRow.data('language-name'));
		dialogBox.find('.wpml-header-translation strong').html(translatedMedia.data('language-name'));

		var originalImg   = dialogBox.find('.wpml-form-row .wpml-media-original-image img');
		var translatedImg = dialogBox.find('.wpml-form-row .wpml-media-upload-handle img');

		originalImg.attr('src', attachmentRow.data('thumb')).attr('alt', attachmentRow.data('language-code'));

		translatedImg.attr('src', translatedMedia.data('thumb') ? translatedMedia.data('thumb') : attachmentRow.data('thumb')).attr('alt', translatedMedia.data('language-code'));
		if (!attachmentRow.data('is-image')) {
			originalImg.addClass('is-non-image');
			translatedImg.addClass('is-non-image');
		} else {
			originalImg.removeClass('is-non-image');
			translatedImg.removeClass('is-non-image');
		}

		mediaFileUploadForm.find('input:file').attr('accept', attachmentRow.data('mime-type'));
	}

	function updateDialogFormFields(attachmentRow, translatedMedia) {
		if (attachmentRow.data('title')) {
			$('#media-title-original').val(attachmentRow.data('title'));
			$('#media-title-translation').val(translatedMedia.data('title'));
			$('.wpml-form-row-title').show();
		}
		if (attachmentRow.data('caption')) {
			$('#media-caption-original').val(attachmentRow.data('caption'));
			$('#media-caption-translation').val(translatedMedia.data('caption'));
			$('.wpml-form-row-caption').show();
		}
		if (attachmentRow.data('alt_text')) {
			$('#media-alt-text-original').val(attachmentRow.data('alt_text'));
			$('#media-alt-text-translation').val(translatedMedia.data('alt_text'));
			$('.wpml-form-row-alt-text').show();
		}
		if (attachmentRow.data('description')) {
			$('#media-description-original').val(attachmentRow.data('description'));
			$('#media-description-translation').val(translatedMedia.data('description'));
			$('.wpml-form-row-description').show();
		}
	}

	function updateDialogHiddenFormFields(attachmentRow, translatedMedia) {
		dialogForm.find('input[name=original-attachment-id]').val(attachmentRow.data('attachment-id'));
		dialogForm.find('input[name=translated-attachment-id]').val(translatedMedia.data('attachment-id'));
		dialogForm.find('input[name=translated-language]').val(translatedMedia.data('language-code'));

		dialogForm.find('input[name=restore-media]').val(0);

		mediaFileUploadForm.find('input[name=attachment-id]').val(translatedMedia.data('attachment-id'));
		mediaFileUploadForm.find('input[name=original-attachment-id]').val(attachmentRow.data('attachment-id'));
		mediaFileUploadForm.find('input[name=language]').val(translatedMedia.data('language-code'));
	}

	function enableUsingTranslatedMediaFile() {
		dialogForm.find('.wpml-media-upload-text').hide();
		dialogForm.find('.js-wpml-media-revert').show();
	}

	function enableUsingOriginalMediaFile() {
		dialogForm.find('.wpml-media-upload-text').show();
		dialogForm.find('.js-wpml-media-revert').hide();
	}

	function hideAllMediaTextFields() {
		dialogBox
			.find('.wpml-form-row-title, .wpml-form-row-caption, .wpml-form-row-alt-text, .wpml-form-row-description')
			.hide();
	}

	function resetProgressAnimation() {
		$('.wpml-media-dialog').find('.spinner').remove();
	}

	dialogBox.find('.js-button-copy').click(function (event) {
		event.preventDefault();
		var formRow          = $(this).closest('.wpml-form-row');
		var originalInput    = formRow.find('input[id$="original"],textarea[id$="original"]');
		var translationInput = formRow.find('input[id$="translation"],textarea[id$="translation"]');
		if (translationInput.val() !== originalInput.val()) {
			translationInput.val(originalInput.val());
			enableFormSave();
		}
		return false;
	});

	function triggerMediaUpload(event) {
		event.preventDefault();
		mediaFileUploadForm.find('input[type=file]').trigger('click');
		return false;
	}

	function restoreMediaFile(event) {
		event.preventDefault();

		var imagesRow       = $(this).closest('.wpml-form-row');
		var originalImage   = imagesRow.find('.wpml-media-original-image img');
		var translatedImage = imagesRow.find('.wpml-media-translation-image img');

		dialogForm.find('input[name=update-media-file]').val(0);

		translatedImage.attr('src', originalImage.attr('src'));

		dialogForm.find('input[name=restore-media]').val(1);

		enableUsingOriginalMediaFile();
		enableFormSave();

		return false;
	}

	$('.js-wpml-media-revert').on('click', 'a', restoreMediaFile);

	dialogBox.find('.wpml-form-row').on('click', '.wpml-media-translation-image', triggerMediaUpload);

	mediaFileUploadForm.find('input[type=file]').change(
		function () {
			var file   = $(this)[0].files[0];
			var upload = new Upload(file);
			upload.doUpload();
		}
	);

	// Async file upload
	var Upload = function (file) {
		this.file        = file;
		this.progressBar = $('#wpml-media-upload-progress-animation');
	};

	Upload.prototype.getType  = function () {
		return this.file.type;
	};
	Upload.prototype.getSize  = function () {
		return this.file.size;
	};
	Upload.prototype.getName  = function () {
		return this.file.name;
	};
	Upload.prototype.doUpload = function () {
		var that     = this;
		var formData = new FormData();

		this.resetError();

		var attachmentId = 0;

		formData.append('file', this.file, this.getName());
		var fields = mediaFileUploadForm.serializeArray();
		$.each(fields, function (i, field) {
			formData.append(field.name, field.value);

			if (field.name === 'attachment-id') {
				attachmentId = field.value;
			}
		});

		that.progressBar.show();

		$.ajax({
			type:        'POST',
			url:         ajaxurl,
			xhr:         function () {
				var myXhr = $.ajaxSettings.xhr();
				if (myXhr.upload) {
					myXhr.upload.addEventListener('progress', that.progressHandling, false);
				}
				return myXhr;
			},
			success:     function (response) {
				that.progressBar.hide();
				if (response.success) {
					var translatedImgTag = dialogBox.find('.wpml-form-row .wpml-media-upload-handle img');
					translatedImgTag.attr('src', response.data.thumb);
					dialogForm.find('input[name=translated-attachment-id]').val(response.data.attachment_id);
					if (translatedImgTag.hasClass('is-non-image')) {
						dialogForm.find('.wpml-media-translated-title').html(response.data.name);
					}

					enableFormSave();
					dialogForm.find('input[name=update-media-file]').val(1);

					enableUsingTranslatedMediaFile();

					// Reset 'file' field
					mediaFileUploadForm.find('input[type=file]').val('');
				} else {
					that.setError(response.data);
				}
			},
			async:       true,
			data:        formData,
			cache:       false,
			contentType: false,
			processData: false,
			timeout:     60000
		});
	};

	Upload.prototype.progressHandling = function (event) {
		var percent         = 0;
		var position        = event.loaded || event.position;
		var total           = event.total;
		var progress_bar_id = '#wpml-media-upload-progress-animation';
		if (event.lengthComputable) {
			percent = Math.ceil(position / total * 100);
		}
		$(progress_bar_id + ' .upload-progress-bar').css('width', +percent + '%');
		$(progress_bar_id + ' .status').text(percent + '%');
	};

	Upload.prototype.setError = function (text) {
		$('#wpml-media-upload-error').html(text);
	};

	Upload.prototype.resetError = function () {
		this.setError('');
	};


	function showTextsChangedNotice(e) {
		var charCode = (e.which) ? e.which : e.keyCode;
		if (charCode >= 32 || charCode === 8) {
			dialogBox.find('.text-change-notice').show();
		}
	}

	dialogForm.on('keyup', 'input, textarea', showTextsChangedNotice);

	function dismissTextsChangedNotice() {
		dialogBox.find('.text-change-notice').fadeOut();
		$.ajax({
			type:    'POST',
			url:     ajaxurl,
			data:    {action: 'wpml_media_editor_text_edit_notice_dismissed'},
			success: function () {
			},
		});
		return false;
	}

	dialogBox.find('.text-change-notice').on('click', '.notice-dismiss', dismissTextsChangedNotice);


});