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

import JSONTransport = require("./lib/json-transport");
import Mail = require("./lib/mailer");
import MailMessage = require("./lib/mailer/mail-message");
import SendmailTransport = require("./lib/sendmail-transport");
import SESTransport = require("./lib/ses-transport");
import SMTPPool = require("./lib/smtp-pool");
import SMTPTransport = require("./lib/smtp-transport");
import StreamTransport = require("./lib/stream-transport");

export type SendMailOptions = Mail.Options;

export type Transporter<T = any, D extends TransportOptions = TransportOptions> = Mail<T, D>;

export type SentMessageInfo = any;

export interface Transport<T = any, D extends TransportOptions = TransportOptions> {
    mailer?: Transporter<T, D> | undefined;

    name: string;
    version: string;

    send(mail: MailMessage<T>, callback: (err: Error | null, info: T) => void): void;

    verify?(callback: (err: Error | null, success: true) => void): void;
    verify?(): Promise<true>;

    close?(): void;
}

export interface TransportOptions {
    component?: string | undefined;
}

export interface TestAccount {
    user: string;
    pass: string;
    smtp: { host: string; port: number; secure: boolean };
    imap: { host: string; port: number; secure: boolean };
    pop3: { host: string; port: number; secure: boolean };
    web: string;
}

export function createTransport(
    transport: SMTPPool | SMTPPool.Options,
    defaults?: SMTPPool.Options,
): Transporter<SMTPPool.SentMessageInfo, SMTPPool.Options>;
export function createTransport(
    transport: SendmailTransport | SendmailTransport.Options,
    defaults?: SendmailTransport.Options,
): Transporter<SendmailTransport.SentMessageInfo, SendmailTransport.Options>;
export function createTransport(
    transport: StreamTransport | StreamTransport.Options,
    defaults?: StreamTransport.Options,
): Transporter<StreamTransport.SentMessageInfo, StreamTransport.Options>;
export function createTransport(
    transport: JSONTransport | JSONTransport.Options,
    defaults?: JSONTransport.Options,
): Transporter<JSONTransport.SentMessageInfo, JSONTransport.Options>;
export function createTransport(
    transport: SESTransport | SESTransport.Options,
    defaults?: SESTransport.Options,
): Transporter<SESTransport.SentMessageInfo, SESTransport.Options>;
export function createTransport(
    transport?: SMTPTransport | SMTPTransport.Options | string,
    defaults?: SMTPTransport.Options,
): Transporter<SMTPTransport.SentMessageInfo, SMTPTransport.Options>;
// eslint-disable-next-line @definitelytyped/no-unnecessary-generics
export function createTransport<T>(
    transport: Transport<T> | TransportOptions,
    defaults?: TransportOptions,
): Transporter<SMTPTransport.SentMessageInfo, SMTPTransport.Options>;

export function createTestAccount(
    apiUrl: string,
    callback: (err: Error | null, testAccount: TestAccount) => void,
): void;
export function createTestAccount(callback: (err: Error | null, testAccount: TestAccount) => void): void;
export function createTestAccount(apiUrl?: string): Promise<TestAccount>;

export function getTestMessageUrl(info: SESTransport.SentMessageInfo | SMTPTransport.SentMessageInfo): string | false;