export type BlobSignOp = "GET" | "PUT" | "HEAD" | "DELETE";

export interface BlobSignUrlRequest {
  readonly op: BlobSignOp;
  readonly keys: readonly string[];
}

export interface BlobSignListRequest {
  readonly op: "LIST";
  readonly prefix: string;
}

export type BlobSignRequest = BlobSignUrlRequest | BlobSignListRequest;

export interface BlobSignedUrl {
  readonly key: string;
  readonly url: string;
  readonly expiresAt: string;
}

export interface BlobSignUrlResponse {
  readonly urls: readonly BlobSignedUrl[];
}

export interface BlobSignListResponse {
  readonly keys: readonly string[];
}

export type BlobSignResponse = BlobSignUrlResponse | BlobSignListResponse;

export const BlobSignClientClockToken = Symbol("BlobSignClientClock");