// Type definitions for shot 3.4
// Project: https://github.com/hapijs/shot
// Definitions by: AJP <https://github.com/AJamesPhillips>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
// TypeScript Version: 2.2

/// <reference types="node" />

import stream = require("stream");
import http = require("http");

interface ShotAPI {
    /**
     * Injects a fake request into an HTTP server.
     * @param dispatchFunc  listener function. The same as you would pass to Http.createServer when making a node HTTP server. @see IListener
     * @param options  request options object @see RequestOptions
     * @param callback  the callback function @see Callback
     * @see {@link https://github.com/hapijs/shot/blob/master/API.md#shotinjectdispatchfunc-options-callback}
     */
    inject(dispatchFunc: Shot.Listener, options: Shot.RequestOptions, callback: (res: Shot.ResponseObject) => void): void;

    /**
     * Checks if given object obj is a Shot Request object.
     * @see {@link https://github.com/hapijs/shot/blob/master/API.md#shotisinjectionobj}
     */
    isInjection(obj: any): boolean;
}

declare namespace Shot {
    /**
     * listener function. The same as you would pass to Http.createServer when making a node HTTP server. Has the signature function (req, res) where:
     *    * req - a simulated request object. Inherits from Stream.Readable.
     *    * res - a simulated response object. Inherits from node's Http.ServerResponse.
     * @see {@link https://github.com/hapijs/shot/blob/master/API.md#shotinjectdispatchfunc-options-callback}
     */
    export interface Listener {
        (req: SimulatedRequestObject, res: SimulatedResponseObject): void;
    }

    /**
     * a simulated request object. Inherits from Stream.Readable.
     * @see {@link https://github.com/hapijs/shot/blob/master/API.md#shotinjectdispatchfunc-options-callback}
     */
    interface SimulatedRequestObject extends stream.Readable {}

    /**
     * a simulated response object. Inherits from node's Http.ServerResponse.
     * @see {@link https://github.com/hapijs/shot/blob/master/API.md#shotinjectdispatchfunc-options-callback}
     */
    interface SimulatedResponseObject extends http.ServerResponse {}

    /**
     * @see {@link https://github.com/hapijs/shot/blob/master/API.md#shotinjectdispatchfunc-options-callback}
     */
    export interface RequestOptions {
        /** a string specifying the request URL. */
        url: string;
        /** a string specifying the HTTP request method, defaulting to 'GET'. */
        method?: string;
        /** a string specifying the HTTP HOST header value to be used if no header is provided, and the url does not include an authority component. Defaults to 'localhost'. */
        authority?: string;
        /** an optional object containing request headers. */
        headers?: Headers;
        /** an optional string specifying the client remote address. Defaults to '127.0.0.1'. */
        remoteAddress?: string;
        /** an optional request payload. Can be a string, Buffer, Stream or object. */
        payload?: string | Buffer | stream.Stream | {[key: string]: any};
        /** an object containing flags to simulate various conditions: */
        simulate?: {
            /** indicates whether the request will fire an end event. Defaults to undefined, meaning an end event will fire. */
            end?: boolean;
            /** indicates whether the request payload will be split into chunks. Defaults to `undefined`, meaning payload will not be chunked. */
            split?: boolean;
            /** whether the request will emit an error event. Defaults to undefined, meaning no error event will be emitted. If set to true, the emitted error will have a message of 'Simulated'. */
            error?: boolean;
            /** whether the request will emit a close event. Defaults to undefined, meaning no close event will be emitted. */
            close?: boolean;
        }
        /** Optional flag to validate this options object. Defaults to true. */
        validate?: boolean;
    }

    interface Headers {
        [header: string]: string;
    }

    /**
     * @see {@link https://github.com/hapijs/shot/blob/master/API.md#shotinjectdispatchfunc-options-callback}
     */
    export interface ResponseObject {
        /** an object containing the raw request and response objects where: */
        raw: {
            /** the simulated request object. */
            req: SimulatedRequestObject;
            /** the simulated response object. */
            res: SimulatedResponseObject;
        };
        /** an object containing the response headers. */
        headers: Headers;
        /** the HTTP status code. */
        statusCode: number;
        /** the HTTP status message. */
        statusMessage: string;
        /** the payload as a UTF-8 encoded string. */
        payload: string;
        /** the raw payload as a Buffer. */
        rawPayload: Buffer;
        /** an object containing the response trailers. */
        trailers: {[index: string]: any};
    }
}

declare var Shot: ShotAPI;

export = Shot;