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

import { Event } from '@sussudio/base/common/event.mjs';
import { Disposable, IDisposable } from '@sussudio/base/common/lifecycle.mjs';
import { URI } from '@sussudio/base/common/uri.mjs';
import { IEnvironmentService } from '../../environment/common/environment.mjs';
export declare const ILogService: import('../../instantiation/common/instantiation.mjs').ServiceIdentifier<ILogService>;
export declare const ILoggerService: import('../../instantiation/common/instantiation.mjs').ServiceIdentifier<ILoggerService>;
export declare enum LogLevel {
	Off = 0,
	Trace = 1,
	Debug = 2,
	Info = 3,
	Warning = 4,
	Error = 5,
}
export declare const DEFAULT_LOG_LEVEL: LogLevel;
export interface ILogger extends IDisposable {
	onDidChangeLogLevel: Event<LogLevel>;
	getLevel(): LogLevel;
	setLevel(level: LogLevel): void;
	trace(message: string, ...args: any[]): void;
	debug(message: string, ...args: any[]): void;
	info(message: string, ...args: any[]): void;
	warn(message: string, ...args: any[]): void;
	error(message: string | Error, ...args: any[]): void;
	/**
	 * An operation to flush the contents. Can be synchronous.
	 */
	flush(): void;
}
export declare function log(logger: ILogger, level: LogLevel, message: string): void;
export declare function format(args: any): string;
export interface ILogService extends ILogger {
	readonly _serviceBrand: undefined;
}
export interface ILoggerOptions {
	/**
	 * Name of the logger.
	 */
	name?: string;
	/**
	 * Do not create rotating files if max size exceeds.
	 */
	donotRotate?: boolean;
	/**
	 * Do not use formatters.
	 */
	donotUseFormatters?: boolean;
	/**
	 * If set, logger logs the message always.
	 */
	always?: boolean;
}
export interface ILoggerService {
	readonly _serviceBrand: undefined;
	/**
	 * Creates a logger, or gets one if it already exists.
	 */
	createLogger(resource: URI, options?: ILoggerOptions, logLevel?: LogLevel): ILogger;
	/**
	 * Gets an existing logger, if any.
	 */
	getLogger(resource: URI): ILogger | undefined;
	/**
	 * Set log level for a logger.
	 */
	setLevel(resource: URI, level: LogLevel | undefined): void;
	/**
	 * Get log level for a logger.
	 */
	getLogLevel(resource: URI): LogLevel | undefined;
}
export declare abstract class AbstractLogger extends Disposable implements ILogger {
	private level;
	private readonly _onDidChangeLogLevel;
	readonly onDidChangeLogLevel: Event<LogLevel>;
	setLevel(level: LogLevel): void;
	getLevel(): LogLevel;
	protected checkLogLevel(level: LogLevel): boolean;
	abstract trace(message: string, ...args: any[]): void;
	abstract debug(message: string, ...args: any[]): void;
	abstract info(message: string, ...args: any[]): void;
	abstract warn(message: string, ...args: any[]): void;
	abstract error(message: string | Error, ...args: any[]): void;
	abstract flush(): void;
}
export declare abstract class AbstractMessageLogger extends AbstractLogger implements ILogger {
	private readonly logAlways?;
	protected abstract log(level: LogLevel, message: string): void;
	constructor(logAlways?: boolean | undefined);
	protected checkLogLevel(level: LogLevel): boolean;
	trace(message: string, ...args: any[]): void;
	debug(message: string, ...args: any[]): void;
	info(message: string, ...args: any[]): void;
	warn(message: string, ...args: any[]): void;
	error(message: string | Error, ...args: any[]): void;
	flush(): void;
}
export declare class ConsoleMainLogger extends AbstractLogger implements ILogger {
	private useColors;
	constructor(logLevel?: LogLevel);
	trace(message: string, ...args: any[]): void;
	debug(message: string, ...args: any[]): void;
	info(message: string, ...args: any[]): void;
	warn(message: string | Error, ...args: any[]): void;
	error(message: string, ...args: any[]): void;
	dispose(): void;
	flush(): void;
}
export declare class ConsoleLogger extends AbstractLogger implements ILogger {
	constructor(logLevel?: LogLevel);
	trace(message: string, ...args: any[]): void;
	debug(message: string, ...args: any[]): void;
	info(message: string, ...args: any[]): void;
	warn(message: string | Error, ...args: any[]): void;
	error(message: string, ...args: any[]): void;
	dispose(): void;
	flush(): void;
}
export declare class AdapterLogger extends AbstractLogger implements ILogger {
	private readonly adapter;
	constructor(
		adapter: {
			log: (logLevel: LogLevel, args: any[]) => void;
		},
		logLevel?: LogLevel,
	);
	trace(message: string, ...args: any[]): void;
	debug(message: string, ...args: any[]): void;
	info(message: string, ...args: any[]): void;
	warn(message: string | Error, ...args: any[]): void;
	error(message: string | Error, ...args: any[]): void;
	private extractMessage;
	dispose(): void;
	flush(): void;
}
export declare class MultiplexLogService extends AbstractLogger implements ILogService {
	private readonly logServices;
	readonly _serviceBrand: undefined;
	constructor(logServices: ReadonlyArray<ILogger>);
	setLevel(level: LogLevel): void;
	trace(message: string, ...args: any[]): void;
	debug(message: string, ...args: any[]): void;
	info(message: string, ...args: any[]): void;
	warn(message: string, ...args: any[]): void;
	error(message: string | Error, ...args: any[]): void;
	flush(): void;
	dispose(): void;
}
export declare class LogService extends Disposable implements ILogService {
	private logger;
	readonly _serviceBrand: undefined;
	constructor(logger: ILogger);
	get onDidChangeLogLevel(): Event<LogLevel>;
	setLevel(level: LogLevel): void;
	getLevel(): LogLevel;
	trace(message: string, ...args: any[]): void;
	debug(message: string, ...args: any[]): void;
	info(message: string, ...args: any[]): void;
	warn(message: string, ...args: any[]): void;
	error(message: string | Error, ...args: any[]): void;
	flush(): void;
}
export declare abstract class AbstractLoggerService extends Disposable implements ILoggerService {
	private logLevel;
	readonly _serviceBrand: undefined;
	private readonly loggerItems;
	constructor(logLevel: LogLevel, onDidChangeLogLevel: Event<LogLevel>);
	getLoggers(): ILogger[];
	getLogger(resource: URI): ILogger | undefined;
	createLogger(resource: URI, options?: ILoggerOptions, logLevel?: LogLevel): ILogger;
	setLevel(logLevel: LogLevel): void;
	setLevel(resource: URI, logLevel: LogLevel): void;
	getLogLevel(resource: URI): LogLevel | undefined;
	dispose(): void;
	protected abstract doCreateLogger(resource: URI, logLevel: LogLevel, options?: ILoggerOptions): ILogger;
}
export declare class NullLogger implements ILogger {
	readonly onDidChangeLogLevel: Event<LogLevel>;
	setLevel(level: LogLevel): void;
	getLevel(): LogLevel;
	trace(message: string, ...args: any[]): void;
	debug(message: string, ...args: any[]): void;
	info(message: string, ...args: any[]): void;
	warn(message: string, ...args: any[]): void;
	error(message: string | Error, ...args: any[]): void;
	critical(message: string | Error, ...args: any[]): void;
	dispose(): void;
	flush(): void;
}
export declare class NullLogService extends NullLogger implements ILogService {
	readonly _serviceBrand: undefined;
}
export declare class NullLoggerService extends AbstractLoggerService {
	constructor();
	protected doCreateLogger(resource: URI, logLevel: LogLevel, options?: ILoggerOptions | undefined): ILogger;
}
export declare function getLogLevel(environmentService: IEnvironmentService): LogLevel;
export declare function LogLevelToString(logLevel: LogLevel): string;
export declare function parseLogLevel(logLevel: string): LogLevel | undefined;