import type { IncomingHttpHeaders } from "http";
import type { CurlOption, Easy, HttpPostField } from "node-libcurl";

// biome-ignore lint/suspicious/noExplicitAny: to match sync-request input type
export type CustomJsonType = any;

export type HttpVerb =
  | "GET"
  | "HEAD"
  | "POST"
  | "PUT"
  | "DELETE"
  | "CONNECT"
  | "OPTIONS"
  | "TRACE"
  | "PATCH";

export type BufferEncoding =
  | "ascii"
  | "utf8"
  | "utf-8"
  | "utf16le"
  | "ucs2"
  | "ucs-2"
  | "base64"
  | "base64url"
  | "latin1"
  | "binary"
  | "hex";

export type SetEasyOptionCallback = (
  curl: Easy,
  curlOption: CurlOption,
) => void;

export interface Options {
  headers?: IncomingHttpHeaders;
  qs?: { [key: string]: CustomJsonType };

  // You should only specify one of these.
  // They are processed in the order listed below.
  //
  // When no json, body or formdata is provided, Content-Length = 0
  // will be set in the headers.
  json?: CustomJsonType;
  body?: string | Buffer;
  formData?: HttpPostField[];

  timeout?: number;
  followRedirects?: boolean;
  maxRedirects?: number;

  insecure?: boolean;
  setEasyOptions?: SetEasyOptionCallback;
}

// Infer type `string` if encoding is specified, otherwise `string | Buffer
export type GetBody = {
  <Encoding extends BufferEncoding>(encoding: Encoding): string;
  (encoding?: undefined): Buffer;
};

export type GetJSON = <T = CustomJsonType>(encoding?: BufferEncoding) => T;

export interface Response {
  statusCode: number;
  headers: IncomingHttpHeaders;
  url: string;
  body: string | Buffer;
  getBody: GetBody;
  getJSON: GetJSON;
}