var scheduleFormTmpl   = require('./schedule.form.tmpl.html'),
    scheduleDeleteTmpl = require('./schedule.delete.tmpl.html');

export class ScheduleController{
    $inject=['$stateParams', 'Notification', 'ScheduledOperation', '$modal']

    operations = [];

    constructor(
        private $stateParams,
        private Notification,
        private ScheduledOperation,
        private $modal
    ) {
        // Load operations on controller initialization.
        this.operations = this.load();
    }

    /*
     * Add a new operation at the beginning of th array.
     */
    add = function() {
        var operation = new this.ScheduledOperation({
            // eslint-disable-next-line camelcase
            account_id: this.$stateParams.accountId
        });

        return this.modify(operation);
    };

    /*
     * Load operations.
     */
    load = function() {
        return this.ScheduledOperation.query({
            // eslint-disable-next-line camelcase
            account_id: this.$stateParams.accountId
        });
    };

    /*
     * Save operation.
     */
    save = function(operation) {
        return operation.$save().then(function(operation) {
            this.Notification.success('Scheduled operation #' + operation.id + ' saved.');

            this.operations = this.load();

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

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

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

    /*
     * Delete operation.
     */
    delete = function(operation) {
        var id = operation.id;

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

            this.operations = this.load();

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

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

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

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