/*---------------------------------------------------------------------------------------------
 *  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 } from '@sussudio/base/common/lifecycle.mjs';
import { NativeParsedArgs } from '../../environment/common/argv.mjs';
import { ILogService } from '../../log/common/log.mjs';
import { IStateMainService } from '../../state/electron-main/state.mjs';
import { ICodeWindow, LoadReason, UnloadReason } from '../../window/electron-main/window.mjs';
import { ISingleFolderWorkspaceIdentifier, IWorkspaceIdentifier } from '../../workspace/common/workspace.mjs';
import { IEnvironmentMainService } from '../../environment/electron-main/environmentMainService.mjs';
export declare const ILifecycleMainService: import('../../instantiation/common/instantiation.mjs').ServiceIdentifier<ILifecycleMainService>;
interface WindowLoadEvent {
	/**
	 * The window that is loaded to a new workspace.
	 */
	readonly window: ICodeWindow;
	/**
	 * The workspace the window is loaded into.
	 */
	readonly workspace: IWorkspaceIdentifier | ISingleFolderWorkspaceIdentifier | undefined;
	/**
	 * More details why the window loads to a new workspace.
	 */
	readonly reason: LoadReason;
}
export declare const enum ShutdownReason {
	/**
	 * The application exits normally.
	 */
	QUIT = 1,
	/**
	 * The application exits abnormally and is being
	 * killed with an exit code (e.g. from integration
	 * test run)
	 */
	KILL = 2,
}
export interface ShutdownEvent {
	/**
	 * More details why the application is shutting down.
	 */
	reason: ShutdownReason;
	/**
	 * Allows to join the shutdown. The promise can be a long running operation but it
	 * will block the application from closing.
	 */
	join(promise: Promise<void>): void;
}
export interface ILifecycleMainService {
	readonly _serviceBrand: undefined;
	/**
	 * Will be true if the program was restarted (e.g. due to explicit request or update).
	 */
	readonly wasRestarted: boolean;
	/**
	 * Will be true if the program was requested to quit.
	 */
	readonly quitRequested: boolean;
	/**
	 * A flag indicating in what phase of the lifecycle we currently are.
	 */
	phase: LifecycleMainPhase;
	/**
	 * An event that fires when the application is about to shutdown before any window is closed.
	 * The shutdown can still be prevented by any window that vetos this event.
	 */
	readonly onBeforeShutdown: Event<void>;
	/**
	 * An event that fires after the onBeforeShutdown event has been fired and after no window has
	 * vetoed the shutdown sequence. At this point listeners are ensured that the application will
	 * quit without veto.
	 */
	readonly onWillShutdown: Event<ShutdownEvent>;
	/**
	 * An event that fires when a window is loading. This can either be a window opening for the
	 * first time or a window reloading or changing to another URL.
	 */
	readonly onWillLoadWindow: Event<WindowLoadEvent>;
	/**
	 * An event that fires before a window closes. This event is fired after any veto has been dealt
	 * with so that listeners know for sure that the window will close without veto.
	 */
	readonly onBeforeCloseWindow: Event<ICodeWindow>;
	/**
	 * Make a `ICodeWindow` known to the lifecycle main service.
	 */
	registerWindow(window: ICodeWindow): void;
	/**
	 * Reload a window. All lifecycle event handlers are triggered.
	 */
	reload(window: ICodeWindow, cli?: NativeParsedArgs): Promise<void>;
	/**
	 * Unload a window for the provided reason. All lifecycle event handlers are triggered.
	 */
	unload(window: ICodeWindow, reason: UnloadReason): Promise<boolean>;
	/**
	 * Restart the application with optional arguments (CLI). All lifecycle event handlers are triggered.
	 */
	relaunch(options?: { addArgs?: string[]; removeArgs?: string[] }): Promise<void>;
	/**
	 * Shutdown the application normally. All lifecycle event handlers are triggered.
	 */
	quit(willRestart?: boolean): Promise<boolean>;
	/**
	 * Forcefully shutdown the application and optionally set an exit code.
	 *
	 * This method should only be used in rare situations where it is important
	 * to set an exit code (e.g. running tests) or when the application is
	 * not in a healthy state and should terminate asap.
	 *
	 * This method does not fire the normal lifecycle events to the windows,
	 * that normally can be vetoed. Windows are destroyed without a chance
	 * of components to participate. The only lifecycle event handler that
	 * is triggered is `onWillShutdown` in the main process.
	 */
	kill(code?: number): Promise<void>;
	/**
	 * Returns a promise that resolves when a certain lifecycle phase
	 * has started.
	 */
	when(phase: LifecycleMainPhase): Promise<void>;
}
export declare const enum LifecycleMainPhase {
	/**
	 * The first phase signals that we are about to startup.
	 */
	Starting = 1,
	/**
	 * Services are ready and first window is about to open.
	 */
	Ready = 2,
	/**
	 * This phase signals a point in time after the window has opened
	 * and is typically the best place to do work that is not required
	 * for the window to open.
	 */
	AfterWindowOpen = 3,
	/**
	 * The last phase after a window has opened and some time has passed
	 * (2-5 seconds).
	 */
	Eventually = 4,
}
export declare class LifecycleMainService extends Disposable implements ILifecycleMainService {
	private readonly logService;
	private readonly stateMainService;
	private readonly environmentMainService;
	readonly _serviceBrand: undefined;
	private static readonly QUIT_AND_RESTART_KEY;
	private readonly _onBeforeShutdown;
	readonly onBeforeShutdown: Event<void>;
	private readonly _onWillShutdown;
	readonly onWillShutdown: Event<ShutdownEvent>;
	private readonly _onWillLoadWindow;
	readonly onWillLoadWindow: Event<WindowLoadEvent>;
	private readonly _onBeforeCloseWindow;
	readonly onBeforeCloseWindow: Event<ICodeWindow>;
	private _quitRequested;
	get quitRequested(): boolean;
	private _wasRestarted;
	get wasRestarted(): boolean;
	private _phase;
	get phase(): LifecycleMainPhase;
	private readonly windowToCloseRequest;
	private oneTimeListenerTokenGenerator;
	private windowCounter;
	private pendingQuitPromise;
	private pendingQuitPromiseResolve;
	private pendingWillShutdownPromise;
	private readonly mapWindowIdToPendingUnload;
	private readonly phaseWhen;
	constructor(
		logService: ILogService,
		stateMainService: IStateMainService,
		environmentMainService: IEnvironmentMainService,
	);
	private resolveRestarted;
	private registerListeners;
	private fireOnWillShutdown;
	set phase(value: LifecycleMainPhase);
	when(phase: LifecycleMainPhase): Promise<void>;
	registerWindow(window: ICodeWindow): void;
	reload(window: ICodeWindow, cli?: NativeParsedArgs): Promise<void>;
	unload(window: ICodeWindow, reason: UnloadReason): Promise<boolean>;
	private doUnload;
	private handleWindowUnloadVeto;
	private resolvePendingQuitPromise;
	private onBeforeUnloadWindowInRenderer;
	private onWillUnloadWindowInRenderer;
	quit(willRestart?: boolean): Promise<boolean>;
	private trace;
	relaunch(options?: { addArgs?: string[]; removeArgs?: string[] }): Promise<void>;
	kill(code?: number): Promise<void>;
}
export {};