// Type definitions for amqplib 0.8
// Project: https://github.com/squaremo/amqp.node, http://squaremo.github.io/amqp.node
// Definitions by: Michael Nahkies <https://github.com/mnahkies>,
//                 Ab Reitsma <https://github.com/abreits>,
//                 Nicolás Fantone <https://github.com/nfantone>,
//                 Nick Zelei <https://github.com/nickzelei>,
//                 Vincenzo Chianese <https://github.com/XVincentX>
//                 Seonggwon Yoon <https://github.com/seonggwonyoon>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
// TypeScript Version: 3.2

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

import * as Promise from 'bluebird';
import * as events from 'events';
import { Replies, Options, Message, GetMessage, ConsumeMessage, ServerProperties } from './properties';
export * from './properties';

export interface Connection extends events.EventEmitter {
    close(): Promise<void>;
    createChannel(): Promise<Channel>;
    createConfirmChannel(): Promise<ConfirmChannel>;
    connection: {
        serverProperties: ServerProperties;
    };
}

export interface Channel extends events.EventEmitter {
    close(): Promise<void>;

    assertQueue(queue: string, options?: Options.AssertQueue): Promise<Replies.AssertQueue>;
    checkQueue(queue: string): Promise<Replies.AssertQueue>;

    deleteQueue(queue: string, options?: Options.DeleteQueue): Promise<Replies.DeleteQueue>;
    purgeQueue(queue: string): Promise<Replies.PurgeQueue>;

    bindQueue(queue: string, source: string, pattern: string, args?: any): Promise<Replies.Empty>;
    unbindQueue(queue: string, source: string, pattern: string, args?: any): Promise<Replies.Empty>;

    assertExchange(exchange: string, type: 'direct' | 'topic' | 'headers' | 'fanout' | 'match' | string, options?: Options.AssertExchange): Promise<Replies.AssertExchange>;
    checkExchange(exchange: string): Promise<Replies.Empty>;

    deleteExchange(exchange: string, options?: Options.DeleteExchange): Promise<Replies.Empty>;

    bindExchange(destination: string, source: string, pattern: string, args?: any): Promise<Replies.Empty>;
    unbindExchange(destination: string, source: string, pattern: string, args?: any): Promise<Replies.Empty>;

    publish(exchange: string, routingKey: string, content: Buffer, options?: Options.Publish): boolean;
    sendToQueue(queue: string, content: Buffer, options?: Options.Publish): boolean;

    consume(queue: string, onMessage: (msg: ConsumeMessage | null) => void, options?: Options.Consume): Promise<Replies.Consume>;

    cancel(consumerTag: string): Promise<Replies.Empty>;
    get(queue: string, options?: Options.Get): Promise<GetMessage | false>;

    ack(message: Message, allUpTo?: boolean): void;
    ackAll(): void;

    nack(message: Message, allUpTo?: boolean, requeue?: boolean): void;
    nackAll(requeue?: boolean): void;
    reject(message: Message, requeue?: boolean): void;

    prefetch(count: number, global?: boolean): Promise<Replies.Empty>;
    recover(): Promise<Replies.Empty>;
}

export interface ConfirmChannel extends Channel {
    publish(exchange: string, routingKey: string, content: Buffer, options?: Options.Publish, callback?: (err: any, ok: Replies.Empty) => void): boolean;
    sendToQueue(queue: string, content: Buffer, options?: Options.Publish, callback?: (err: any, ok: Replies.Empty) => void): boolean;

    waitForConfirms(): Promise<void>;
}

export const credentials: {
    amqplain(username: string, password: string): {
        mechanism: string;
        response(): Buffer;
        username: string;
        password: string;
    };
    external(): {
        mechanism: string;
        response(): Buffer;
    };
    plain(username: string, password: string): {
        mechanism: string;
        response(): Buffer;
        username: string;
        password: string;
    };
};

export function connect(url: string | Options.Connect, socketOptions?: any): Promise<Connection>;