import { HatsaLogger } from '@hatsa/log';
import { HatsaConfig } from '@hatsa/config';
import * as express from 'express';

declare namespace Hatsa.Express {
    export interface GenAppOpts {
        logger?: HatsaLogger;
        sd_mw?: boolean | Function;
    }

    export interface HatsaExpress extends express.Express {
        config?: HatsaConfig;
    }

    export interface HatsaExpressApp extends express.Application {
        logger?: HatsaLogger;
    }

    export interface Request extends express.Request {
        app: HatsaExpressApp;
    }

    export type Response = express.Response;
    export type NextFunction = express.NextFunction;

    export function genApp(opts: GenAppOpts): HatsaExpress;

    export function addApiServiceRoutes(
        app: express.Express,
        path: string,
        routes: express.Router,
        serviceName?: string,
    ): void;

    export function addErrorHandler(app: HatsaExpressApp, logger: HatsaLogger, debug?: boolean): void;

    export function handleError(
        err: Error,
        req: express.Request,
        res: express.Response,
        logger: HatsaLogger,
        debug?: boolean,
    ): void;

    export function Router(): express.Router;

    export type Router = express.Router;
}

export = Hatsa.Express;