// vim: set tw=80 ts=4 sw=4 sts=4:
/*
    This file is part of Accountant.

    Accountant is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Accountant is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with Accountant.  If not, see <http://www.gnu.org/licenses/>.
 */
/* jshint node: true */
'use strict';

var moment = require('moment');

var angular = require('angular');

var operationFormTmpl   = require('./operation.form.tmpl.html'),
    operationDeleteTmpl = require('./operation.delete.tmpl.html');

var balanceChartModule  = require('./balance-chart.component.js'),
    categoryChartModule = require('./category-chart.component.js'),
    accountModule       = require('../accounts');

var ngResource       = require('angular-resource'),
    ngMessages       = require('angular-messages'),
    ngUiNotification = require('angular-ui-notification'),
    ngStrap          = require('angular-strap');

module.exports = angular.module('accountant.operations', [
    ngResource,
    ngMessages,
    ngUiNotification,
    ngStrap,
    accountModule,
    balanceChartModule,
    categoryChartModule
])

    .config(function($resourceProvider) {
        // Keep trailing slashes to avoid redirect by flask..
        $resourceProvider.defaults.stripTrailingSlashes = false;
    })

    .factory('Operation', function($resource) {
        return $resource(
            '/api/operation/:id', {
                id: '@id'
            }
        );
    })

    /*
     * Controller for the operations.
     */
    .controller('OperationController', function($routeParams, $modal,
        Notification, Operation, Account) {

        var vm = this;

        /*
         * Add an empty operation.
         */
        vm.add = function() {
            var operation = new Operation({
                // eslint-disable-next-line camelcase
                account_id: $routeParams.accountId
            });

            return vm.modify(operation);
        };

        /*
         * Load operations.
         */
        vm.load = function(minDate, maxDate) {
            vm.minDate = minDate;
            vm.maxDate = maxDate;

            return Operation.query({
                // eslint-disable-next-line camelcase
                account_id: $routeParams.accountId,
                begin: minDate ? moment(minDate).format('YYYY-MM-DD') : null,
                end: maxDate ? moment(maxDate).format('YYYY-MM-DD') : null
            });
        };

        /*
         * Toggle pointed indicator for an operation.
         */
        vm.togglePointed = function(operation, rowform) {
            operation.pointed = !operation.pointed;

            vm.save(operation);
        };

        /*
         * Toggle cancel indicator for an operation.
         */
        vm.toggleCanceled = function(operation) {
            operation.canceled = !operation.canceled;

            vm.save(operation);
        };

        /*
         * Save an operation and return a promise.
         */
        vm.save = function(operation) {
            operation.confirmed = true;

            return operation.$save().then(function(operation) {
                Notification.success('Operation #' + operation.id + ' saved.');

                vm.operations = vm.load();

                return operation;
            }, function(result){
                Notification.error(
                    'Error while saving operation: ' + result.message
                );
            });
        };

        /*
         * Delete an operation and return a promise.
         */
        vm.confirmDelete = function(operation) {
            var title = "Delete operation #" + operation.id;

            $modal({
                templateUrl: operationDeleteTmpl,
                controller: function($scope, title, operation, $delete) {
                    $scope.title = title;
                    $scope.operation = operation;
                    $scope.$delete = function() {
                        $scope.$hide();
                        $delete($scope.operation);
                    };
                },
                locals: {
                    title: title,
                    operation: operation,
                    $delete: vm.delete
                }
            });
        };

        vm.delete = function(operation) {
            var id = operation.id;

            return operation.$delete().then(function() {
                Notification.success('Operation #' + id + ' deleted.');

                vm.operations = vm.load();

                return operation;
            }, function(result) {
                Notification.error(
                    'An error occurred while trying to delete operation #' +
                    id + ':<br />' + result
                );
            });
        };

        /*
         * Open the popup to modify the operation, save it on confirm.
         * @returns a promise.
         */
        vm.modify = function(operation) {
            // FIXME Alexis Lahouze 2017-06-15 i18n
            var title = "Operation";

            if (operation.id) {
                title = title + " #" + operation.id;
            }

            $modal({
                templateUrl: operationFormTmpl,
                controller: function($scope, title, operation, $save) {
                    $scope.title = title;
                    $scope.operation = operation;
                    $scope.$save = function() {
                        $scope.$hide();
                        $save($scope.operation);
                    };
                },
                locals: {
                    title: title,
                    operation: operation,
                    $save: vm.save
                }
            });
        };

        vm.onUpdate = function(minDate, maxDate) {
            vm.operations = vm.load(minDate, maxDate);
        };

        vm.account = Account.get({id: $routeParams.accountId});
    })

    .name;