import { getDeploymentUrlFromParameters } from './getDeploymentUrlFromParameters';

type PluginParameters = Record<string, unknown> | undefined;

export type RuntimeMode = 'lambda' | 'lambdaless';

const isRuntimeMode = (value: unknown): value is RuntimeMode =>
  value === 'lambda' || value === 'lambdaless';

export const getRuntimeMode = (parameters: PluginParameters): RuntimeMode => {
  const configuredRuntimeMode = parameters?.runtimeMode;
  if (isRuntimeMode(configuredRuntimeMode)) {
    return configuredRuntimeMode;
  }

  if (typeof parameters?.lambdaFullMode === 'boolean') {
    return parameters.lambdaFullMode ? 'lambda' : 'lambdaless';
  }

  return getDeploymentUrlFromParameters(parameters).trim()
    ? 'lambda'
    : 'lambdaless';
};