import {z} from 'zod'

export type UUIDSchema = string;

export type GetApiInspectImageUuidListArgs = {image_uuid: UUIDSchema, path: string, text?: boolean | undefined};

export type GetApiInspectImageUuidListOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const fileItem = z.object({size: z.number().int(), path: z.string(), owner: z.union([z.string(), z.number().int()]), group: z.union([z.string(), z.number().int()]), uid: z.number().int(), gid: z.number().int(), mode: z.number().int(), mtime: z.number().int(), nlink: z.number().int(), is_dir: z.boolean(), is_regular: z.boolean(), is_symlink: z.boolean(), is_socket: z.boolean(), is_fifo: z.boolean(), symlink_to: z.string()});

export const directoryList = z.object({path: z.string(), files: z.array(fileItem)});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * List files in image
 * 
 * GET /inspect/{image_uuid}/list
 */
export const getApiInspectImageUuidList = async (args: GetApiInspectImageUuidListArgs, options?: GetApiInspectImageUuidListOptions) => {
const {baseUrl = "https://api.tokenfactory.nebius.com", fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.path != null) query.append("path", String(args.path))
if (args.text != null) query.append("text", String(args.text))

const url = `${baseUrl.replace(/\/+$/, '')}/inspect/${encodeURIComponent(String(args.image_uuid))}/list${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(directoryList, await res.json())
};