import type { Argv } from 'mri'

const _rDefault = r => r.default || r

export const commands = {
  dev: () => import('./dev').then(_rDefault),
  build: () => import('./build').then(_rDefault),
  preview: () => import('./preview').then(_rDefault),
  start: () => import('./preview').then(_rDefault),
  analyze: () => import('./analyze').then(_rDefault),
  generate: () => import('./generate').then(_rDefault),
  prepare: () => import('./prepare').then(_rDefault),
  typecheck: () => import('./typecheck').then(_rDefault),
  usage: () => import('./usage').then(_rDefault),
  info: () => import('./info').then(_rDefault),
  init: () => import('./init').then(_rDefault),
  create: () => import('./init').then(_rDefault),
  upgrade: () => import('./upgrade').then(_rDefault),
  test: () => import('./test').then(_rDefault),
  add: () => import('./add').then(_rDefault),
  new: () => import('./add').then(_rDefault)
}

export type Command = keyof typeof commands

export interface NuxtCommandMeta {
  name: string;
  usage: string;
  description: string;
  [key: string]: any;
}

export type CLIInvokeResult = void | 'error' | 'wait'

export interface NuxtCommand {
  invoke(args: Argv): Promise<CLIInvokeResult> | CLIInvokeResult
  meta: NuxtCommandMeta
}

export function defineNuxtCommand (command: NuxtCommand): NuxtCommand {
  return command
}