import 'redis';

declare module 'redis' {
  interface PromisifiedOverloadedCommand<T, U> {
    (arg1: T, arg2: T, arg3: T, arg4: T, arg5: T, arg6: T): Promise<U>;
    (arg1: T, arg2: T, arg3: T, arg4: T, arg5: T): Promise<U>;
    (arg1: T, arg2: T, arg3: T, arg4: T): Promise<U>;
    (arg1: T, arg2: T, arg3: T): Promise<U>;
    (arg1: T, arg2: T | T[]): Promise<U>;
    (arg1: T | T[]): Promise<U>;
    (...args: Array<T>): Promise<U>;
  }

  interface PromisifiedOverloadedKeyCommand<T, U> {
    (key: string, arg1: T, arg2: T, arg3: T, arg4: T, arg5: T, arg6: T): Promise<U>;
    (key: string, arg1: T, arg2: T, arg3: T, arg4: T, arg5: T): Promise<U>;
    (key: string, arg1: T, arg2: T, arg3: T, arg4: T): Promise<U>;
    (key: string, arg1: T, arg2: T, arg3: T): Promise<U>;
    (key: string, arg1: T, arg2: T): Promise<U>;
    (key: string, arg1: T | T[]): Promise<U>;
    (key: string, ...args: Array<T>): Promise<U>;
    (...args: Array<string | T>): Promise<U>;
  }

  interface RedisClient extends Commands<boolean>, EventEmitter {
    evalAsync: PromisifiedOverloadedCommand<string | number, string>;
    getAsync(key: string): Promise<string>;
    flushdbAsync(): Promise<'OK'>;
    hgetallAsync(key: string): Promise<{ [key: string]: string }>;
    scanAsync: PromisifiedOverloadedCommand<string, [string, string[]]>
    smembersAsync(key: string): Promise<string[]>;
    zaddAsync: PromisifiedOverloadedKeyCommand<string | number, number>;
  }

  interface Multi extends Commands<Multi> {
    execAsync(): Promise<any[]>;
  }
}