"use strict";
(function () {
    'use strict';
    angular.module('myitsmApp')
        .factory('approvalModel', ['approvalService', '$q', 'systemAlertService', '$filter',
        function (approvalService, $q, systemAlertService, $filter) {
            var approvalModel = {
                approvals: []
            };
            /**
             * @ngdoc method
             * @name myitsmApp.approvalModel#getListOfApprovers
             *
             * @description
             * Retrieves information about approvers for the context
             * @param {Object} context - Object that has information about the ticket/KA required in the request API.
             */
            approvalModel.getListOfApprovers = function (context, ignoreCache) {
                /**
                 * @namespace
                 * @property {object}  context       - Approval Request parameters.
                 * @property {string}  context.id    - UUID of the ticket/KA
                 * @property {string}  context.type  - Ticket/KA type value
                 */
                var params = { id: context.id, type: context.type };
                if (approvalModel.approvals[context.id] && !ignoreCache) {
                    return $q.when(approvalModel.approvals[context.id]);
                }
                approvalModel.approvals[context.id] = approvalService.getListOfApprovers(params)
                    .finally(function () {
                    approvalModel.getListOfApproversPromise = null;
                });
                return $q.when(approvalModel.approvals[context.id]);
            };
            /**
             * @ngdoc method
             * @name myitsmApp.approvalModel#sendReviewResult
             *
             * @description
             * Saves user review for a pending change request
             * @param {Object} approval - Object that has information about the ticket/KA required in the request API.
             */
            approvalModel.sendReviewResult = function (approval) {
                /**
                 * @namespace
                 * @property {object}  approval                 - Approval Request parameters.
                 * @property {string}  approval.type            - Type of review result(approve, reject or hold)
                 * @property {string}  approval.parentId        - UUID of the ticket/KA
                 * @property {string}  approval.parentType      - Ticket/KA type value
                 * @property {string}  approval.signatureId     - Unique id of the pending user review
                 * @property {string}  approval.justification   - User's review justification
                 */
                approvalModel.approvals[approval[0].parentId] = angular.noop();
                return approvalService.sendReviewResult(approval)
                    .catch(function (error) {
                    if (error) {
                        var errorExpr = /ERROR\s[(](\d+)[)]/, errorText = error.data ? error.data.error : error.error, errorMatch = errorExpr.exec(errorText), errorId;
                        if (errorMatch) {
                            errorId = parseInt(errorMatch[1]);
                            //45490 error id for missing required user password for approval.
                            //UC does not support approval scenario with password, so error should be shown to the user with proper description
                            if (errorId === 45490) {
                                errorText = $filter('i18n')('approval.error.46490');
                            }
                        }
                        systemAlertService.error({
                            text: errorText,
                            clear: false
                        });
                    }
                    return $q.reject(error);
                });
            };
            approvalModel.getApproverByText = function (searchText) {
                return approvalService.getApproverByText(searchText);
            };
            approvalModel.addApprover = function (type, approverId, ticketId, ticketType, TicketStatus) {
                return approvalService.addApprover(type, approverId, ticketId, ticketType, TicketStatus);
            };
            approvalModel.clearListOfApproversCache = function (contextId) {
                if (approvalModel.approvals[contextId]) {
                    delete approvalModel.approvals[contextId];
                }
            };
            return approvalModel;
        }
    ]);
})();