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

module.exports= function($rootScope, $stateParams, Notification, ScheduledOperation, $log, $modal) {
    var vm = this;

    // Operation store.
    vm.operations = [];

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

        return vm.modify(operation);
    };

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

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

            vm.operations = vm.load();

            return operation;
        }, function(result){
            $log.error('Error while saving scheduled operation', operation, result);

            Notification.error(
                'Error while saving scheduled operation: ' + result.message
            );
        });
    };

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

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

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

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

            vm.operations = vm.load();

            return operation;
        }, function(result) {
            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.
     */
    vm.modify = function(operation) {
        // FIXME Alexis Lahouze 2017-06-15 i18n
        var title = "Operation";

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

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

    // Load operations on controller initialization.
    vm.operations = vm.load();
};