/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */
/// <reference path="../../../references"/>
module Sdc.ViewModels {

    import IUserProperties = Sdc.Models.IUserProperties;
    'use strict';

    interface IUserManagementViewModelScope extends ng.IScope {
        sdcConfig:Models.IAppConfigurtaion;
        usersList: Array<Models.IUserProperties>;
        isLoading: boolean;
        isNewUser: boolean;
        sortBy:string;
        reverse:boolean;
        tableHeadersList:any;
        roles:Array<string>;
        newUser: Models.IUser;
        currentUser: Sdc.Services.IUserResource;
        userIdValidationPattern: RegExp;
        editForm:ng.IFormController;
        getAllUsers():void;
        editUserRole(user:IUserProperties);
        sort(sortBy:string): void;
        createUser(): void;
        deleteUser(userId:string) : void;
        onEditUserPressed(user:IUserProperties): void;
        saveUserChanges(user:IUserProperties) :void;
        getTitle(role:string): string;
        clearForm():void;

    }


    export class UserManagementViewModel {
        static '$inject' = [
            '$scope',
            'sdcConfig',
            'Sdc.Services.UserResourceService',
            '$templateCache',
            '$modal',
            'UserIdValidationPattern',
            '$filter',
            'ModalsHandler'
            ];

        constructor(private $scope:IUserManagementViewModelScope,
                    private sdcConfig:Models.IAppConfigurtaion,
                    private userResourceService:Sdc.Services.IUserResourceClass,
                    private $templateCache:ng.ITemplateCacheService,
                    private $modal:ng.ui.bootstrap.IModalService,
                    private UserIdValidationPattern:RegExp,
                    private $filter:ng.IFilterService,
                    private ModalsHandler: Utils.ModalsHandler
               ) {

            this.initScope();

        }



        private getAllUsers = ():void => {
            this.$scope.isLoading = true;

            let onError = (response) => {
                this.$scope.isLoading = false;
                console.info('onFaild', response);
            };
            let onSuccess = (response: Array<Models.IUserProperties>) => {
                this.$scope.usersList  = response;
                _.forEach(this.$scope.usersList,(user:any,i:number)=>{
                    user.index = i;
                });
                this.$scope.isLoading = false;
            };
            this.userResourceService.getAllUsers(onSuccess, onError);
        };

        private updateUserFilterTerm = (user: IUserProperties): void =>{
            user.filterTerm = user.firstName + ' ' + user.lastName + ' ' + user.userId + ' ' + user.email + ' ' + user.role + ' ' +  this.$filter('date')(user.lastLoginTime, "MM/dd/yyyy");
        };

        private initScope = ():void => {
            let self=this;

            this.$scope.tableHeadersList = [
                {title: "First Name", property: 'firstName'},
                {title: "Last Name", property: 'lastName'},
                {title: this.$filter('translate')("USER_MANAGEMENT_TABLE_HEADER_USER_ID"), property: 'userId'},
                {title: "Email", property: 'email'},
                {title: "Role", property: 'role'},
                {title: "Last Active", property: 'lastLoginTime'}
            ];
            this.$scope.userIdValidationPattern = this.UserIdValidationPattern;
            this.$scope.sortBy = 'lastLoginTime';
            this.$scope.reverse = false;
            this.$scope.roles = this.sdcConfig.roles;
            this.$scope.isNewUser = false;
            this.$scope.currentUser = this.userResourceService.getLoggedinUser();
            this.getAllUsers();

            let resource : Services.IUserResource = <Services.IUserResource>{};
            this.$scope.newUser = new Sdc.Models.User(resource);

            this.$scope.sort = (sortBy:string):void => {//default sort by descending last update. default for alphabetical = ascending
                this.$scope.isNewUser = false;
                this.$scope.reverse = (this.$scope.sortBy === sortBy) ?  ( !this.$scope.reverse) : this.$scope.reverse = false;
                this.$scope.sortBy = sortBy;
            };

            this.$scope.createUser = () : void => {

                let onError = (response) => {
                    this.$scope.isLoading = false;
                    console.info('onFaild', response);
                };

                let onSuccess = (response: Models.IUserProperties) => {
                    this.$scope.newUser.resource['index'] = this.$scope.usersList.length;
                    this.$scope.newUser.resource.lastLoginTime = "0";
                    this.$scope.newUser.resource.status = response.status;
                    this.updateUserFilterTerm(this.$scope.newUser.resource);
                    this.$scope.usersList.unshift(this.$scope.newUser.resource);
                    this.$scope.isNewUser = true;
                    this.$scope.sortBy = 'index';
                    this.$scope.reverse = true;
                    this.$scope.isLoading = false;
                    this.$scope.newUser = new Sdc.Models.User(null);
                    this.$scope.editForm.$setPristine();
                    let _self = this;
                    setTimeout(function () {
                        _self.$scope.isNewUser = false;
                    }, 7000);
                };
                this.userResourceService.createUser({ userId: this.$scope.newUser.resource.userId, role: this.$scope.newUser.resource.role}, onSuccess, onError);
            };


            this.$scope.onEditUserPressed = (user:IUserProperties): void => {
                user.isInEditMode = true;
                user.tempRole = user.role;
            };

            this.$scope.editUserRole = (user:IUserProperties): void => {
                let  roleBeforeUpdate: string = user.role;
                user.role= user.tempRole;

                let onError = (response) => {
                    this.$scope.isLoading = false;
                    user.role = roleBeforeUpdate;
                    console.info('onFaild', response);
                };
                let onSuccess = (response: any) => {
                    this.$scope.isLoading = false;
                    user.tempRole = user.role;
                    this.updateUserFilterTerm(user);
                };

                this.userResourceService.editUserRole({ id: user.userId, role: user.role}, onSuccess, onError);
            };

            this.$scope.saveUserChanges = (user:IUserProperties): void => {
                if(user.tempRole != user.role){
                    this.$scope.editUserRole(user)
                }
                user.isInEditMode = false;
            };

            this.$scope.deleteUser = (userId:string): void => {

                let onOk = ():void => {
                    this.$scope.isLoading = true;

                    let onError = (response):void => {
                        this.$scope.isLoading = false;
                        console.info('onFaild', response);
                    };

                    let onSuccess = (response: any) :void => {
                        _.remove(this.$scope.usersList, {userId:  userId });
                        this.$scope.isLoading = false;
                    };
                    this.userResourceService.deleteUser({ id: userId}, onSuccess, onError);
                };

                let title:string =  this.$filter('translate')("USER_MANAGEMENT_VIEW_DELETE_MODAL_TITLE");
                let message:string = this.$filter('translate')("USER_MANAGEMENT_VIEW_DELETE_MODAL_TEXT");
                this.ModalsHandler.openConfirmationModal(title, message, false).then(onOk);
            };

            this.$scope.getTitle = (role:string):string =>{
                return role.toLowerCase().replace('governor','governance_Rep').replace('_',' ');
            };

            this.$scope.clearForm =():void =>{
                if(!this.$scope.editForm['contactId'].$viewValue && !this.$scope.editForm['role'].$viewValue){
                    this.$scope.editForm.$setPristine();
                }
            };
        }
    }
}