/// <reference types="passport"/>

import { Strategy as PassportStrategy } from "passport-strategy";
import express = require("express");

interface IStrategyOptions {
    usernameField?: string | undefined;
    passwordField?: string | undefined;
    session?: boolean | undefined;
    passReqToCallback?: false | undefined;
}

interface IStrategyOptionsWithRequest {
    usernameField?: string | undefined;
    passwordField?: string | undefined;
    session?: boolean | undefined;
    passReqToCallback: true;
}

interface IVerifyOptions {
    message: string;
}

interface VerifyFunctionWithRequest {
    (
        req: express.Request,
        username: string,
        password: string,
        done: (error: any, user?: Express.User | false, options?: IVerifyOptions) => void,
    ): void;
}

interface VerifyFunction {
    (
        username: string,
        password: string,
        done: (error: any, user?: Express.User | false, options?: IVerifyOptions) => void,
    ): void;
}

declare class Strategy extends PassportStrategy {
    constructor(options: IStrategyOptionsWithRequest, verify: VerifyFunctionWithRequest);
    constructor(options: IStrategyOptions, verify: VerifyFunction);
    constructor(verify: VerifyFunction);

    name: string;
}