import type { HookContext } from '@feathersjs/feathers'

export const getModelName = (
  modelName: string | ((context: HookContext) => string) | undefined,
  context: HookContext,
): string => {
  if (modelName === undefined) {
    return context.path
  }
  if (typeof modelName === 'string') {
    return modelName
  }
  if (typeof modelName === 'function') {
    return modelName(context)
  }

  throw new Error("feathers-casl: 'modelName' is not a string or function")
}