import fetch = require("node-fetch");

declare class NFCResponse extends fetch.Response {
    ejectFromCache(): Promise<void>;
}

interface Cache {
    get(key: string): Promise<any>;
    remove(key: string): Promise<void>;
    set(key: string, bodyStream: fetch.Response["body"], metaData: any): Promise<any>;
}

interface MemoryCacheOptions {
    ttl?: number;
}

export class MemoryCache implements Cache {
    constructor(options?: MemoryCacheOptions);
    get(key: string): Promise<any>;
    remove(key: string): Promise<void>;
    set(key: string, bodyStream: fetch.Response["body"], metaData: any): Promise<any>;
}

interface FileSystemCacheOptions {
    ttl?: number;
    cacheDirectory?: string;
}

export class FileSystemCache implements Cache {
    constructor(options?: FileSystemCacheOptions);
    get(key: string): Promise<any>;
    remove(key: string): Promise<void>;
    set(key: string, bodyStream: fetch.Response["body"], metaData: any): Promise<any>;
}

type FetchBuilder = (cache: Cache) => FetchCache;
type FetchCache = ((...args: Parameters<typeof fetch>) => Promise<NFCResponse>) & {
    withCache: FetchBuilder;
};

declare const defaultFetch: FetchCache;
export default defaultFetch;

export const fetchBuilder: FetchCache;