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

import { Emitter, Event } from '@sussudio/base/common/event.mjs';
import { Disposable, IDisposable } from '@sussudio/base/common/lifecycle.mjs';
import { IStorage, Storage } from '@sussudio/base/parts/storage/common/storage.mjs';
import { ISQLiteStorageDatabaseLoggingOptions } from '@sussudio/base/parts/storage/node/storage.mjs';
import { IEnvironmentService } from '../../environment/common/environment.mjs';
import { IFileService } from '../../files/common/files.mjs';
import { ILogService } from '../../log/common/log.mjs';
import { IUserDataProfile, IUserDataProfilesService } from '../../userDataProfile/common/userDataProfile.mjs';
import { IAnyWorkspaceIdentifier } from '../../workspace/common/workspace.mjs';
export interface IStorageMainOptions {
	/**
	 * If enabled, storage will not persist to disk
	 * but into memory.
	 */
	readonly useInMemoryStorage?: boolean;
}
/**
 * Provides access to application, profile and workspace storage from
 * the electron-main side that is the owner of all storage connections.
 */
export interface IStorageMain extends IDisposable {
	/**
	 * Emitted whenever data is updated or deleted.
	 */
	readonly onDidChangeStorage: Event<IStorageChangeEvent>;
	/**
	 * Emitted when the storage is closed.
	 */
	readonly onDidCloseStorage: Event<void>;
	/**
	 * Access to all cached items of this storage service.
	 */
	readonly items: Map<string, string>;
	/**
	 * Allows to join on the `init` call having completed
	 * to be able to safely use the storage.
	 */
	readonly whenInit: Promise<void>;
	/**
	 * Provides access to the `IStorage` implementation which will be
	 * in-memory for as long as the storage has not been initialized.
	 */
	readonly storage: IStorage;
	/**
	 * The file path of the underlying storage file if any.
	 */
	readonly path: string | undefined;
	/**
	 * Required call to ensure the service can be used.
	 */
	init(): Promise<void>;
	/**
	 * Retrieve an element stored with the given key from storage. Use
	 * the provided defaultValue if the element is null or undefined.
	 */
	get(key: string, fallbackValue: string): string;
	get(key: string, fallbackValue?: string): string | undefined;
	/**
	 * Store a string value under the given key to storage. The value will
	 * be converted to a string.
	 */
	set(key: string, value: string | boolean | number | undefined | null): void;
	/**
	 * Delete an element stored under the provided key from storage.
	 */
	delete(key: string): void;
	/**
	 * Whether the storage is using in-memory persistence or not.
	 */
	isInMemory(): boolean;
	/**
	 * Close the storage connection.
	 */
	close(): Promise<void>;
}
export interface IStorageChangeEvent {
	readonly key: string;
}
declare abstract class BaseStorageMain extends Disposable implements IStorageMain {
	protected readonly logService: ILogService;
	private readonly fileService;
	private static readonly LOG_SLOW_CLOSE_THRESHOLD;
	protected readonly _onDidChangeStorage: Emitter<IStorageChangeEvent>;
	readonly onDidChangeStorage: Event<IStorageChangeEvent>;
	private readonly _onDidCloseStorage;
	readonly onDidCloseStorage: Event<void>;
	private _storage;
	get storage(): IStorage;
	abstract get path(): string | undefined;
	private initializePromise;
	private readonly whenInitPromise;
	readonly whenInit: Promise<void>;
	private state;
	constructor(logService: ILogService, fileService: IFileService);
	isInMemory(): boolean;
	init(): Promise<void>;
	protected createLoggingOptions(): ISQLiteStorageDatabaseLoggingOptions;
	protected doInit(storage: IStorage): Promise<void>;
	protected abstract doCreate(): Promise<Storage>;
	get items(): Map<string, string>;
	get(key: string, fallbackValue: string): string;
	get(key: string, fallbackValue?: string): string | undefined;
	set(key: string, value: string | boolean | number | undefined | null): Promise<void>;
	delete(key: string): Promise<void>;
	close(): Promise<void>;
	private logSlowClose;
	private doClose;
}
declare class BaseProfileAwareStorageMain extends BaseStorageMain {
	private readonly profile;
	private readonly options;
	private static readonly STORAGE_NAME;
	get path(): string | undefined;
	constructor(
		profile: IUserDataProfile,
		options: IStorageMainOptions,
		logService: ILogService,
		fileService: IFileService,
	);
	protected doCreate(): Promise<Storage>;
}
export declare class ProfileStorageMain extends BaseProfileAwareStorageMain {
	constructor(
		profile: IUserDataProfile,
		options: IStorageMainOptions,
		logService: ILogService,
		fileService: IFileService,
	);
}
export declare class ApplicationStorageMain extends BaseProfileAwareStorageMain {
	constructor(
		options: IStorageMainOptions,
		userDataProfileService: IUserDataProfilesService,
		logService: ILogService,
		fileService: IFileService,
	);
	protected doInit(storage: IStorage): Promise<void>;
	private updateTelemetryState;
}
export declare class WorkspaceStorageMain extends BaseStorageMain {
	private workspace;
	private readonly options;
	private readonly environmentService;
	private static readonly WORKSPACE_STORAGE_NAME;
	private static readonly WORKSPACE_META_NAME;
	get path(): string | undefined;
	constructor(
		workspace: IAnyWorkspaceIdentifier,
		options: IStorageMainOptions,
		logService: ILogService,
		environmentService: IEnvironmentService,
		fileService: IFileService,
	);
	protected doCreate(): Promise<Storage>;
	private prepareWorkspaceStorageFolder;
	private ensureWorkspaceStorageFolderMeta;
}
export declare class InMemoryStorageMain extends BaseStorageMain {
	get path(): string | undefined;
	protected doCreate(): Promise<Storage>;
}
export {};