import { C8yPactHttpController } from "./httpcontroller";
import { C8yPact, C8yPactPreprocessor, C8yPactRecord, C8yPactRequestMatchingOptions, C8yPactResponse, C8yPactMode, C8yPactRecordingMode, C8yPactID } from "../c8ypact";
import { C8yPactFileAdapter } from "../c8ypact/adapter/fileadapter";
import { Request, RequestHandler } from "express";
import { ClientRequest, IncomingMessage, ServerResponse } from "http";
import { FormatFn } from "morgan";
import winston from "winston";
import { C8yAuthOptions } from "../auth";
import { C8yBaseUrl, C8yTenant } from "../types";
import { Options as HttpProxyMiddlewareOptions } from "http-proxy-middleware";
type LogFormat = "json" | "simple" | "combined" | "short" | "dev" | "tiny" | "common";
export type C8yPactHttpResponse<T = any> = Pick<C8yPactResponse<T>, "status" | "statusText" | "body" | "headers">;
export declare const C8yPactHttpControllerLogLevel: readonly ["info", "debug", "warn", "error"];
export declare const C8yPactHttpControllerDefaultMode: C8yPactMode;
export declare const C8yPactHttpControllerDefaultRecordingMode: C8yPactRecordingMode;
export interface C8yPactHttpControllerOptions {
    /**
     * The resource path to use for the controller. Default is "/c8yctrl".
     */
    resourcePath?: string;
    /**
     * Base URL of the target server to proxy requests to.
     */
    baseUrl?: C8yBaseUrl;
    /**
     * Authentication options to use for authenticating against the target server.
     */
    auth?: C8yAuthOptions;
    /**
     * Hostname or interface to listen on. Default is to listen on all interfaces.
     * @example "localhost" might listen on IPv6 only depending on the system
     * @example "127.0.0.1" for IPv4 localhost only
     * @example "0.0.0.0" for all IPv4 interfaces
     * @example "::" for all IPv6 interfaces
     */
    hostname?: string;
    /**
     * Port to listen on. Default is 3000.
     */
    port?: number;
    /**
     * Tenant id of the target server to proxy requests to.
     */
    tenant?: C8yTenant;
    /**
     * Root folder for static files to serve.
     */
    staticRoot?: string;
    /**
     * Adapter to use for loading and saving pact files.
     */
    adapter: C8yPactFileAdapter;
    /**
     * Preprocessor to use for modifying requests and responses.
     */
    preprocessor?: C8yPactPreprocessor;
    /**
     * Request matching options to use for matching requests to recorded responses.
     */
    requestMatching?: C8yPactRequestMatchingOptions;
    /**
     * Enable strict mocking. If true, only recorded responses are returned.
     */
    strictMocking?: boolean;
    /**
     * Mode the controller is running in.
     */
    mode?: C8yPactMode;
    /**
     * Recording mode to use for recording requests and responses.
     */
    recordingMode?: C8yPactRecordingMode;
    /**
     * Id of the pact to use for recording and mocking. Default is undefined.
     */
    pactId?: C8yPactID;
    /**
     * Record to use for error responses when no mock is found.
     */
    mockNotFoundResponse?: C8yPactHttpResponse | ((req: Request<any, any, any, any>) => C8yPactHttpResponse);
    /**
     * Logger to use for logging. Currently only winston is supported.
     */
    logger?: winston.Logger;
    /**
     * RequestHandler to use for logging requests. Default is morgan.
     */
    requestLogger?: RequestHandler[] | ((logger?: winston.Logger) => RequestHandler[]);
    /**
     * RequestHandler to use for logging errors. Default is morgan logger
     * that logs error object with url, status, request and response details.
     * Use "common", "combined", "dev", "short" or "tiny" to use predefined
     * mporgan log formats.
     */
    errorLogger?: RequestHandler | "common" | "combined" | "dev" | "short" | "tiny" | string;
    /**
     * Log level to use for logging. Default is info.
     */
    logLevel?: (typeof C8yPactHttpControllerLogLevel)[number];
    /**
     * Log format to use for logging.
     */
    logFormat?: LogFormat | string | FormatFn<IncomingMessage, ServerResponse<IncomingMessage>>;
    /**
     * The app names and version to use from static folder. E.g. "cockpit: 1020".
     * The version must be a semver range.
     * @example { "cockpit": ">1020.0.0", "dtm": "^1018.1.0" }
     */
    appsVersions?: {
        [key: string]: string;
    };
    /**
     * Custom replacer function to use for JSON.stringify. Use for customization of JSON output.
     * Default is to replace URLs in "self", "next", "initRequest" properties with hostname and
     * port of the controller.
     */
    stringifyReplacer?: (key: string, value: any) => any;
    /**
     * Callbacks for hooking into the controller lifecycle.
     */
    on: C8yPactHttpControllerCallbackOptions;
    /**
     * Options to pass to the underlying http-proxy.
     */
    proxyOptions?: Omit<HttpProxyMiddlewareOptions, "on" | "plugins" | "ejectPlugins">;
}
export interface C8yPactHttpControllerCallbackOptions {
    /**
     * Called before the controller is started.
     * @param ctrl The controller instance.
     * @param config The configuration used for the controller.
     */
    beforeStart?: (ctrl: C8yPactHttpController, config?: C8yPactHttpControllerOptions) => void;
    /**
     * Called before a request is mocked. Use to modify or return custom response as mock. Also
     * use to forward custom headers from the request to the response. By default, only the
     * recorded `content-type` and `set-cookie` headers are forwarded. Any other recorded headers
     * must be forwarded by adding them to the `response.headers` object.
     *
     * By returning null or undefined, the request is passed to the proxy handler without mocking.
     *
     * **Note**: return `record.response` to use the recorded response as mock.
     *
     * @param ctrl The controller instance.
     * @param req The request to mock.
     * @param record The record used for mocking.
     * @returns A response to use as mock or null/undefined to pass the request to the proxy handler.
     */
    mockRequest?: (ctrl: C8yPactHttpController, req: Request<any, any, any, any>, record: C8yPactRecord | undefined | null) => C8yPactHttpResponse | undefined | null;
    /**
     * Called when a request is not found in the recorded pacts. Use to return a custom response
     * for the request or `undefined` if `mockNotFoundResponse` or default 404 response should
     * be returned for the given request. To access the pact, the response was not found in, use
     * `c8yctl.currentPact`.
     * @param ctrl The controller instance.
     * @param req The request to be mocked.
     * @returns A response to use as mock for the request or `undefined` to use the default 404 response.
     */
    mockNotFound?: (ctrl: C8yPactHttpController, req: Request) => C8yPactHttpResponse | undefined;
    /**
     * Called before a request is proxied. Use to modify the request before it
     * is proxied, e.g. to add or remove headers, etc. or to abort the request
     * by returning a custom or error response to send back to the client.
     * @param ctrl The controller instance.
     * @param proxyReq The proxy request.
     * @param req The request to proxy.
     * @returns A response to send back to the client to abort the request or undefined to continue.
     */
    proxyRequest?: (ctrl: C8yPactHttpController, proxyReq: ClientRequest, req: Request<any, any, any, any>) => C8yPactHttpResponse | undefined | null;
    /**
     * Called after receiving the response for a proxied request. By returning false,
     * the request and response are ignored and not processed and saved. Use to filter
     * requests and responses from recording.
     * @param ctrl The controller instance.
     * @param req The proxied request.
     * @param res The proxied response.
     * @returns false if the request and response should be ignored, true otherwise.
     */
    proxyResponse?: (ctrl: C8yPactHttpController, req: Request, res: C8yPactHttpResponse) => boolean;
    /**
     * Called before a request and its response are saved. By returning false, the
     * request is ignored and not saved.
     * @param ctrl The controller instance.
     * @param req The C8yPact object to be saved.
     * @returns true if the C8yPact should be saved, false otherwise.
     */
    savePact?: (ctrl: C8yPactHttpController, pact: C8yPact) => boolean;
}
export interface C8yPactHttpControllerConfig extends C8yPactHttpControllerOptions {
    /**
     * Folder to load and save pact files from and to.
     */
    folder?: string;
    /**
     * Folder to save log files to.
     */
    logFolder?: string;
    /**
     * Log file name to use for logging.
     */
    logFilename?: string;
    /**
     * File to use for http access logging.
     */
    accessLogFilename?: string;
    /**
     * User to login to the target server.
     */
    user?: string;
    /**
     * Password to login to the target server.
     */
    password?: string;
    /**
     * Enable or disable logging.
     */
    log?: boolean;
}
export type C8yCtrlHeader = "x-c8yctrl-type" | "x-c8yctrl-id" | "x-c8yctrl-count" | "x-c8yctrl-mode";
export {};