/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

import { CancelablePromise } from '@sussudio/base/common/async.mjs';
import { CancellationToken } from '@sussudio/base/common/cancellation.mjs';
import { Disposable } from '@sussudio/base/common/lifecycle.mjs';
import { IIPCLogger } from '@sussudio/base/parts/ipc/common/ipc.mjs';
import { Client, ConnectionHealth, ISocket, PersistentProtocol } from '@sussudio/base/parts/ipc/common/ipc.net.mjs';
import { ILogService } from '../../log/common/log.mjs';
import { RemoteAgentConnectionContext } from './remoteAgentEnvironment.mjs';
import { ISignService } from '../../sign/common/sign.mjs';
export declare const enum ConnectionType {
	Management = 1,
	ExtensionHost = 2,
	Tunnel = 3,
}
export interface AuthRequest {
	type: 'auth';
	auth: string;
	data: string;
}
export interface SignRequest {
	type: 'sign';
	data: string;
	signedData: string;
}
export interface ConnectionTypeRequest {
	type: 'connectionType';
	commit?: string;
	signedData: string;
	desiredConnectionType?: ConnectionType;
	args?: any;
}
export interface ErrorMessage {
	type: 'error';
	reason: string;
}
export interface OKMessage {
	type: 'ok';
}
export type HandshakeMessage = AuthRequest | SignRequest | ConnectionTypeRequest | ErrorMessage | OKMessage;
interface ISimpleConnectionOptions {
	commit: string | undefined;
	quality: string | undefined;
	host: string;
	port: number;
	connectionToken: string | undefined;
	reconnectionToken: string;
	reconnectionProtocol: PersistentProtocol | null;
	socketFactory: ISocketFactory;
	signService: ISignService;
	logService: ILogService;
}
export interface IConnectCallback {
	(err: any | undefined, socket: ISocket | undefined): void;
}
export interface ISocketFactory {
	connect(
		host: string,
		port: number,
		path: string,
		query: string,
		debugLabel: string,
		callback: IConnectCallback,
	): void;
}
export interface IRemoteExtensionHostStartParams {
	language: string;
	debugId?: string;
	break?: boolean;
	port?: number | null;
	env?: {
		[key: string]: string | null;
	};
}
export interface ITunnelConnectionStartParams {
	host: string;
	port: number;
}
export interface IConnectionOptions {
	commit: string | undefined;
	quality: string | undefined;
	socketFactory: ISocketFactory;
	addressProvider: IAddressProvider;
	signService: ISignService;
	logService: ILogService;
	ipcLogger: IIPCLogger | null;
}
export interface IAddress {
	host: string;
	port: number;
	connectionToken: string | undefined;
}
export interface IAddressProvider {
	getAddress(): Promise<IAddress>;
}
export declare function connectRemoteAgentManagement(
	options: IConnectionOptions,
	remoteAuthority: string,
	clientId: string,
): Promise<ManagementPersistentConnection>;
export declare function connectRemoteAgentExtensionHost(
	options: IConnectionOptions,
	startArguments: IRemoteExtensionHostStartParams,
): Promise<ExtensionHostPersistentConnection>;
export declare function connectRemoteAgentTunnel(
	options: IConnectionOptions,
	tunnelRemoteHost: string,
	tunnelRemotePort: number,
): Promise<PersistentProtocol>;
export declare const enum PersistentConnectionEventType {
	ConnectionLost = 0,
	ReconnectionWait = 1,
	ReconnectionRunning = 2,
	ReconnectionPermanentFailure = 3,
	ConnectionGain = 4,
	ConnectionHealthChanged = 5,
}
export declare class ConnectionLostEvent {
	readonly reconnectionToken: string;
	readonly millisSinceLastIncomingData: number;
	readonly type = PersistentConnectionEventType.ConnectionLost;
	constructor(reconnectionToken: string, millisSinceLastIncomingData: number);
}
export declare class ReconnectionWaitEvent {
	readonly reconnectionToken: string;
	readonly millisSinceLastIncomingData: number;
	readonly durationSeconds: number;
	private readonly cancellableTimer;
	readonly type = PersistentConnectionEventType.ReconnectionWait;
	constructor(
		reconnectionToken: string,
		millisSinceLastIncomingData: number,
		durationSeconds: number,
		cancellableTimer: CancelablePromise<void>,
	);
	skipWait(): void;
}
export declare class ReconnectionRunningEvent {
	readonly reconnectionToken: string;
	readonly millisSinceLastIncomingData: number;
	readonly attempt: number;
	readonly type = PersistentConnectionEventType.ReconnectionRunning;
	constructor(reconnectionToken: string, millisSinceLastIncomingData: number, attempt: number);
}
export declare class ConnectionGainEvent {
	readonly reconnectionToken: string;
	readonly millisSinceLastIncomingData: number;
	readonly attempt: number;
	readonly type = PersistentConnectionEventType.ConnectionGain;
	constructor(reconnectionToken: string, millisSinceLastIncomingData: number, attempt: number);
}
export declare class ConnectionHealthChangedEvent {
	readonly reconnectionToken: string;
	readonly connectionHealth: ConnectionHealth;
	readonly type = PersistentConnectionEventType.ConnectionHealthChanged;
	constructor(reconnectionToken: string, connectionHealth: ConnectionHealth);
}
export declare class ReconnectionPermanentFailureEvent {
	readonly reconnectionToken: string;
	readonly millisSinceLastIncomingData: number;
	readonly attempt: number;
	readonly handled: boolean;
	readonly type = PersistentConnectionEventType.ReconnectionPermanentFailure;
	constructor(reconnectionToken: string, millisSinceLastIncomingData: number, attempt: number, handled: boolean);
}
export type PersistentConnectionEvent =
	| ConnectionGainEvent
	| ConnectionHealthChangedEvent
	| ConnectionLostEvent
	| ReconnectionWaitEvent
	| ReconnectionRunningEvent
	| ReconnectionPermanentFailureEvent;
export declare abstract class PersistentConnection extends Disposable {
	private readonly _connectionType;
	protected readonly _options: IConnectionOptions;
	readonly reconnectionToken: string;
	readonly protocol: PersistentProtocol;
	private readonly _reconnectionFailureIsFatal;
	static triggerPermanentFailure(millisSinceLastIncomingData: number, attempt: number, handled: boolean): void;
	static debugTriggerReconnection(): void;
	static debugPauseSocketWriting(): void;
	private static _permanentFailure;
	private static _permanentFailureMillisSinceLastIncomingData;
	private static _permanentFailureAttempt;
	private static _permanentFailureHandled;
	private static _instances;
	private readonly _onDidStateChange;
	readonly onDidStateChange: import('@sussudio/base/common/event.mjs').Event<PersistentConnectionEvent>;
	private _permanentFailure;
	private get _isPermanentFailure();
	private _isReconnecting;
	constructor(
		_connectionType: ConnectionType,
		_options: IConnectionOptions,
		reconnectionToken: string,
		protocol: PersistentProtocol,
		_reconnectionFailureIsFatal: boolean,
	);
	private _beginReconnecting;
	private _runReconnectingLoop;
	private _onReconnectionPermanentFailure;
	private _gotoPermanentFailure;
	private _pauseSocketWriting;
	protected abstract _reconnect(
		options: ISimpleConnectionOptions,
		timeoutCancellationToken: CancellationToken,
	): Promise<void>;
}
export declare class ManagementPersistentConnection extends PersistentConnection {
	readonly client: Client<RemoteAgentConnectionContext>;
	constructor(
		options: IConnectionOptions,
		remoteAuthority: string,
		clientId: string,
		reconnectionToken: string,
		protocol: PersistentProtocol,
	);
	protected _reconnect(options: ISimpleConnectionOptions, timeoutCancellationToken: CancellationToken): Promise<void>;
}
export declare class ExtensionHostPersistentConnection extends PersistentConnection {
	private readonly _startArguments;
	readonly debugPort: number | undefined;
	constructor(
		options: IConnectionOptions,
		startArguments: IRemoteExtensionHostStartParams,
		reconnectionToken: string,
		protocol: PersistentProtocol,
		debugPort: number | undefined,
	);
	protected _reconnect(options: ISimpleConnectionOptions, timeoutCancellationToken: CancellationToken): Promise<void>;
}
export {};