"use strict";
/**
 * Created by dmytro.novosad on 7/22/2015.
 */
angular.module('resourceModule')
    .directive('rsKaAttachments', ['systemAlertService', 'attachmentService', 'i18nService', 'events',
    function (systemAlertService, attachmentService, i18nService, events) {
        return {
            require: '^rs',
            restrict: 'E',
            scope: {
                printMode: '@?'
            },
            templateUrl: 'views/resource/rs-ka-attachments.html',
            link: function (scope, element, attrs, rsController) {
                angular.extend(scope, rsController);
                var context = scope.context, state = {
                    loadingAttachments: false,
                    uploadingAttachments: false
                };
                requestArticleAttachment();
                scope.$on(events.REFRESH_RESOURCE_FEED, function () {
                    requestArticleAttachment();
                });
                scope.handleFileChange = function (fileInput) {
                    var newAttachment = attachmentService.prepareFileToUpload({ fileInput: fileInput });
                    if (newAttachment && newAttachment.size <= 0) {
                        systemAlertService.warning({
                            text: $filter('i18n')('attachment.file_empty'),
                            icon: 'icon-exclamation_triangle',
                            clear: true,
                            hide: 5000
                        });
                        return;
                    }
                    if (newAttachment) {
                        uploadAttachments([newAttachment]);
                    }
                };
                scope.removeAttachment = function (attachment, $event) {
                    $event.stopPropagation();
                    var modalInstance = getRemoveAttachmentAlert();
                    modalInstance.result.then(function (data) {
                        if (data) {
                            handleRemoveAttachmentResult(data, attachment);
                        }
                    });
                };
                scope.getAttachment = function (attachment) {
                    state.loadingAttachments = true;
                    attachmentService.getAttachmentFile(EntityVO.TYPE_KNOWLEDGE, attachment)
                        .finally(function () {
                        scope.state.loadingAttachments = false;
                    });
                };
                function requestArticleAttachment() {
                    state.loadingAttachments = true;
                    return attachmentService.getAttachmentsInfo(context.id, context.type)
                        .then(function (attachments) {
                        scope.attachments = attachments;
                    })
                        .finally(function () {
                        state.loadingAttachments = false;
                    });
                }
                function uploadAttachments(attachments) {
                    scope.state.uploadingAttachments = true;
                    return attachmentService.uploadAttachment(scope.context.type, scope.context.id, attachments)
                        .then(function (uploads) {
                        Array.prototype.push.apply(scope.attachments, uploads);
                    })
                        .finally(function () {
                        scope.state.uploadingAttachments = false;
                    });
                }
                function getRemoveAttachmentAlert() {
                    return systemAlertService.modal({
                        title: i18nService.getLocalizedString('common.notification.delete.title'),
                        text: i18nService.getLocalizedString('common.notification.delete.message'),
                        buttons: [
                            {
                                text: i18nService.getLocalizedString('common.notification.delete.button1'),
                                data: true
                            },
                            {
                                text: i18nService.getLocalizedString('common.notification.delete.button2'),
                                data: false
                            }
                        ]
                    });
                }
                function handleRemoveAttachmentResult(data, attachment) {
                    _.pull(scope.attachments, attachment);
                    attachmentService.deleteAttachment(EntityVO.TYPE_KNOWLEDGE, {
                        dataSourceId: attachment.attachmentReference.dataSourceId,
                        attachmentId: attachment.attachmentReference.attachmentId
                    });
                }
                scope.context = context;
                scope.state = state;
            }
        };
    }]);