// *****************************************************************************
// Copyright (C) 2018 Red Hat, Inc. and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// http://www.eclipse.org/legal/epl-2.0.
//
// This Source Code may also be made available under the following Secondary
// Licenses when the conditions for such availability set forth in the Eclipse
// Public License v. 2.0 are satisfied: GNU General Public License, version 2
// with the GNU Classpath Exception which is available at
// https://www.gnu.org/software/classpath/license.html.
//
// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
// *****************************************************************************

import { Command, CommandContribution, CommandRegistry, environment, isOSX, CancellationTokenSource, MessageService, isArray } from '@theia/core';
import {
    ApplicationShell,
    CommonCommands,
    NavigatableWidget,
    open,
    OpenerService, OpenHandler,
    QuickInputService,
    Saveable,
    TabBar,
    Title,
    Widget
} from '@theia/core/lib/browser';
import { ContextKeyService } from '@theia/core/lib/browser/context-key-service';
import { ApplicationShellMouseTracker } from '@theia/core/lib/browser/shell/application-shell-mouse-tracker';
import { CommandService } from '@theia/core/lib/common/command';
import TheiaURI from '@theia/core/lib/common/uri';
import { EditorManager, EditorCommands } from '@theia/editor/lib/browser';
import {
    TextDocumentShowOptions,
    Location,
    CallHierarchyItem,
    CallHierarchyIncomingCall,
    CallHierarchyOutgoingCall,
    TypeHierarchyItem,
    Hover,
    TextEdit,
    FormattingOptions,
    DocumentHighlight
} from '@theia/plugin-ext/lib/common/plugin-api-rpc-model';
import { DocumentsMainImpl } from '@theia/plugin-ext/lib/main/browser/documents-main';
import { isUriComponents, toMergedSymbol, toPosition } from '@theia/plugin-ext/lib/plugin/type-converters';
import { ViewColumn } from '@theia/plugin-ext/lib/plugin/types-impl';
import { WorkspaceCommands } from '@theia/workspace/lib/browser';
import { WorkspaceService, WorkspaceInput } from '@theia/workspace/lib/browser/workspace-service';
import { DiffService } from '@theia/workspace/lib/browser/diff-service';
import { inject, injectable, optional } from '@theia/core/shared/inversify';
import { Position } from '@theia/plugin-ext/lib/common/plugin-api-rpc';
import { URI } from '@theia/core/shared/vscode-uri';
import { PluginDeployOptions, PluginIdentifiers, PluginServer } from '@theia/plugin-ext/lib/common/plugin-protocol';
import { TerminalFrontendContribution } from '@theia/terminal/lib/browser/terminal-frontend-contribution';
import { QuickOpenWorkspace } from '@theia/workspace/lib/browser/quick-open-workspace';
import { TerminalService } from '@theia/terminal/lib/browser/base/terminal-service';
import {
    FileNavigatorCommands,
    FILE_NAVIGATOR_TOGGLE_COMMAND_ID
} from '@theia/navigator/lib/browser/navigator-contribution';
import { FILE_NAVIGATOR_ID, FileNavigatorWidget } from '@theia/navigator/lib/browser';
import { SelectableTreeNode } from '@theia/core/lib/browser/tree/tree-selection';
import { UriComponents } from '@theia/plugin-ext/lib/common/uri-components';
import { FileService } from '@theia/filesystem/lib/browser/file-service';
import { CallHierarchyServiceProvider, CallHierarchyService } from '@theia/callhierarchy/lib/browser';
import { TypeHierarchyServiceProvider, TypeHierarchyService } from '@theia/typehierarchy/lib/browser';
import { MonacoTextModelService } from '@theia/monaco/lib/browser/monaco-text-model-service';
import {
    fromCallHierarchyCalleeToModelCallHierarchyOutgoingCall,
    fromCallHierarchyCallerToModelCallHierarchyIncomingCall,
    fromItemHierarchyDefinition,
    toItemHierarchyDefinition
} from '@theia/plugin-ext/lib/main/browser/hierarchy/hierarchy-types-converters';
import { CustomEditorOpener } from '@theia/plugin-ext/lib/main/browser/custom-editors/custom-editor-opener';
import { nls } from '@theia/core/lib/common/nls';
import { WindowService } from '@theia/core/lib/browser/window/window-service';
import * as monaco from '@theia/monaco-editor-core';
import { VSCodeExtensionUri } from '../common/plugin-vscode-uri';
import { CodeEditorWidgetUtil } from '@theia/plugin-ext/lib/main/browser/menus/vscode-theia-menu-mappings';
import { OutlineViewContribution } from '@theia/outline-view/lib/browser/outline-view-contribution';
import { CompletionList, Range, Position as PluginPosition } from '@theia/plugin';
import { MonacoLanguages } from '@theia/monaco/lib/browser/monaco-languages';
import { ScmContribution } from '@theia/scm/lib/browser/scm-contribution';
import { MergeEditorOpenerOptions, MergeEditorUri } from '@theia/scm/lib/browser/merge-editor/merge-editor';

export namespace VscodeCommands {

    export const GET_CODE_EXCHANGE_ENDPOINTS: Command = {
        id: 'workbench.getCodeExchangeProxyEndpoints' // this command is used in the github auth built-in
        // see: https://github.com/microsoft/vscode/blob/191be39e5ac872e03f9d79cc859d9917f40ad935/extensions/github-authentication/src/githubServer.ts#L60
    };

    export const OPEN: Command = {
        id: 'vscode.open'
    };

    export const OPEN_WITH: Command = {
        id: 'vscode.openWith'
    };

    export const OPEN_FOLDER: Command = {
        id: 'vscode.openFolder'
    };

    export const DIFF: Command = {
        id: 'vscode.diff'
    };

    export const INSTALL_EXTENSION_FROM_ID_OR_URI: Command = {
        id: 'workbench.extensions.installExtension'
    };

    export const UNINSTALL_EXTENSION: Command = {
        id: 'workbench.extensions.uninstallExtension'
    };

    // see https://github.com/microsoft/vscode/blob/2fc07b811f760549dab9be9d2bedd06c51dfcb9a/src/vs/workbench/contrib/extensions/common/extensions.ts#L246
    export const INSTALL_EXTENSION_FROM_VSIX_COMMAND: Command = {
        id: 'workbench.extensions.command.installFromVSIX'
    };
}

// https://wicg.github.io/webusb/

export interface UsbDeviceData {
    readonly deviceClass: number;
    readonly deviceProtocol: number;
    readonly deviceSubclass: number;
    readonly deviceVersionMajor: number;
    readonly deviceVersionMinor: number;
    readonly deviceVersionSubminor: number;
    readonly manufacturerName?: string;
    readonly productId: number;
    readonly productName?: string;
    readonly serialNumber?: string;
    readonly usbVersionMajor: number;
    readonly usbVersionMinor: number;
    readonly usbVersionSubminor: number;
    readonly vendorId: number;
}

// https://wicg.github.io/serial/

export interface SerialPortData {
    readonly usbVendorId?: number | undefined;
    readonly usbProductId?: number | undefined;
}

// https://wicg.github.io/webhid/

export interface HidDeviceData {
    readonly opened: boolean;
    readonly vendorId: number;
    readonly productId: number;
    readonly productName: string;
    readonly collections: [];
}

@injectable()
export class PluginVscodeCommandsContribution implements CommandContribution {
    @inject(CommandService)
    protected readonly commandService: CommandService;
    @inject(ContextKeyService)
    protected readonly contextKeyService: ContextKeyService;
    @inject(EditorManager)
    protected readonly editorManager: EditorManager;
    @inject(ApplicationShell)
    protected readonly shell: ApplicationShell;
    @inject(DiffService)
    protected readonly diffService: DiffService;
    @inject(OpenerService)
    protected readonly openerService: OpenerService;
    @inject(ApplicationShellMouseTracker)
    protected readonly mouseTracker: ApplicationShellMouseTracker;
    @inject(QuickInputService) @optional()
    protected readonly quickInput: QuickInputService;
    @inject(WorkspaceService)
    protected readonly workspaceService: WorkspaceService;
    @inject(TerminalFrontendContribution)
    protected readonly terminalContribution: TerminalFrontendContribution;
    @inject(QuickOpenWorkspace)
    protected readonly quickOpenWorkspace: QuickOpenWorkspace;
    @inject(TerminalService)
    protected readonly terminalService: TerminalService;
    @inject(PluginServer)
    protected readonly pluginServer: PluginServer;
    @inject(FileService)
    protected readonly fileService: FileService;
    @inject(CallHierarchyServiceProvider)
    protected readonly callHierarchyProvider: CallHierarchyServiceProvider;
    @inject(TypeHierarchyServiceProvider)
    protected readonly typeHierarchyProvider: TypeHierarchyServiceProvider;
    @inject(MonacoTextModelService)
    protected readonly textModelService: MonacoTextModelService;
    @inject(WindowService)
    protected readonly windowService: WindowService;
    @inject(MessageService)
    protected readonly messageService: MessageService;
    @inject(OutlineViewContribution)
    protected outlineViewContribution: OutlineViewContribution;
    @inject(MonacoLanguages)
    protected monacoLanguages: MonacoLanguages;
    @inject(ScmContribution)
    protected scmContribution: ScmContribution;

    private async openWith(commandId: string, resource: URI, columnOrOptions?: ViewColumn | TextDocumentShowOptions, openerId?: string): Promise<boolean> {
        if (!resource) {
            throw new Error(`${commandId} command requires at least URI argument.`);
        }
        if (!URI.isUri(resource)) {
            throw new Error(`Invalid argument for ${commandId} command with URI argument. Found ${resource}`);
        }

        let options: TextDocumentShowOptions | undefined;
        if (typeof columnOrOptions === 'number') {
            options = {
                viewColumn: columnOrOptions
            };
        } else if (columnOrOptions) {
            options = {
                ...columnOrOptions
            };
        }

        const uri = new TheiaURI(resource);
        const editorOptions = DocumentsMainImpl.toEditorOpenerOptions(this.shell, options);

        let openHandler: OpenHandler | undefined;
        if (typeof openerId === 'string') {
            const lowerViewType = openerId.toLowerCase();
            const openers = await this.openerService.getOpeners();
            for (const opener of openers) {
                const idLowerCase = opener.id.toLowerCase();
                if (lowerViewType === idLowerCase) {
                    openHandler = opener;
                    break;
                }
            }
        } else {
            openHandler = await this.openerService.getOpener(uri, editorOptions);
        }

        if (openHandler) {
            await openHandler.open(uri, editorOptions);
            return true;
        }

        return false;
    }

    registerCommands(commands: CommandRegistry): void {
        commands.registerCommand(VscodeCommands.GET_CODE_EXCHANGE_ENDPOINTS, {
            execute: () => undefined // this is a dummy implementation: only used in the case of web apps, which is not supported yet.
        });

        commands.registerCommand(VscodeCommands.OPEN, {
            isVisible: () => false,
            execute: async (resource: URI | string, columnOrOptions?: ViewColumn | TextDocumentShowOptions) => {
                if (typeof resource === 'string') {
                    resource = URI.parse(resource);
                }
                try {
                    await this.openWith(VscodeCommands.OPEN.id, resource, columnOrOptions);
                } catch (error) {
                    const message = nls.localizeByDefault("Unable to open '{0}'", resource.path);
                    const reason = nls.localizeByDefault('Error: {0}', error.message);
                    this.messageService.error(`${message}\n${reason}`);
                    console.warn(error);
                }
            }
        });

        commands.registerCommand(VscodeCommands.OPEN_WITH, {
            isVisible: () => false,
            execute: async (resource: URI, viewType: string, columnOrOptions?: ViewColumn | TextDocumentShowOptions) => {
                if (!viewType) {
                    throw new Error(`Running the contributed command: ${VscodeCommands.OPEN_WITH} failed.`);
                }

                if (viewType.toLowerCase() === 'default') {
                    return commands.executeCommand(VscodeCommands.OPEN.id, resource, columnOrOptions);
                }

                let result = await this.openWith(VscodeCommands.OPEN_WITH.id, resource, columnOrOptions, viewType);
                if (!result) {
                    result = await this.openWith(VscodeCommands.OPEN_WITH.id, resource, columnOrOptions, CustomEditorOpener.toCustomEditorId(viewType));
                }

                if (!result) {
                    throw new Error(`Could not find an editor for '${viewType}'`);
                }
            }
        });

        interface IOpenFolderAPICommandOptions {
            forceNewWindow?: boolean;
            forceReuseWindow?: boolean;
            noRecentEntry?: boolean;
        }

        commands.registerCommand(VscodeCommands.OPEN_FOLDER, {
            isVisible: () => false,
            execute: async (resource?: URI, arg: boolean | IOpenFolderAPICommandOptions = {}) => {
                if (!resource) {
                    return commands.executeCommand(WorkspaceCommands.OPEN_WORKSPACE.id);
                }
                if (!URI.isUri(resource)) {
                    throw new Error(`Invalid argument for ${VscodeCommands.OPEN_FOLDER.id} command with URI argument. Found ${resource}`);
                }
                let options: WorkspaceInput | undefined;
                if (typeof arg === 'boolean') {
                    options = { preserveWindow: !arg };
                } else {
                    options = { preserveWindow: !arg.forceNewWindow };
                }
                this.workspaceService.open(new TheiaURI(resource), options);
            }
        });

        commands.registerCommand(VscodeCommands.DIFF, {
            isVisible: () => false,
            // eslint-disable-next-line @typescript-eslint/no-explicit-any
            execute: async (left: URI, right: URI, label?: string, options?: TextDocumentShowOptions) => {
                if (!left || !right) {
                    throw new Error(`${VscodeCommands.DIFF} command requires at least two URI arguments. Found left=${left}, right=${right} as arguments`);
                }
                if (!URI.isUri(left)) {
                    throw new Error(`Invalid argument for ${VscodeCommands.DIFF.id} command with left argument. Expecting URI left type but found ${left}`);
                }
                if (!URI.isUri(right)) {
                    throw new Error(`Invalid argument for ${VscodeCommands.DIFF.id} command with right argument. Expecting URI right type but found ${right}`);
                }

                const leftURI = new TheiaURI(left);
                const editorOptions = DocumentsMainImpl.toEditorOpenerOptions(this.shell, options);
                await this.diffService.openDiffEditor(leftURI, new TheiaURI(right), label, editorOptions);
            }
        });

        // https://code.visualstudio.com/docs/getstarted/keybindings#_navigation
        /*
         * internally, in VS Code, any widget opened in the main area is represented as an editor
         * operations below apply to them, but not to side-bar widgets, like the explorer
         *
         * in Theia, there are not such difference and any widget can be put in any area
         * because of it we filter out editors from views based on `NavigatableWidget.is`
         * and apply actions only to them
         */
        if (!environment.electron.is() || isOSX) {
            commands.registerCommand({ id: 'workbench.action.files.openFileFolder' }, {
                execute: () => commands.executeCommand(WorkspaceCommands.OPEN.id)
            });
        }

        commands.registerCommand({ id: 'workbench.action.files.openFile' }, {
            execute: () => commands.executeCommand(WorkspaceCommands.OPEN_FILE.id)
        });
        commands.registerCommand({ id: 'workbench.action.files.openFolder' }, {
            execute: () => commands.executeCommand(WorkspaceCommands.OPEN_FOLDER.id)
        });
        commands.registerCommand({ id: 'workbench.action.addRootFolder' }, {
            execute: () => commands.executeCommand(WorkspaceCommands.ADD_FOLDER.id)
        });
        commands.registerCommand({ id: 'workbench.action.saveWorkspaceAs' }, {
            execute: () => commands.executeCommand(WorkspaceCommands.SAVE_WORKSPACE_AS.id)
        });
        commands.registerCommand({ id: 'workbench.action.gotoLine' }, {
            execute: () => commands.executeCommand(EditorCommands.GOTO_LINE_COLUMN.id)
        });
        commands.registerCommand({ id: 'workbench.action.quickOpen' }, {
            execute: (prefix?: unknown) => this.quickInput.open(typeof prefix === 'string' ? prefix : '')
        });
        commands.registerCommand({ id: 'workbench.action.openSettings' }, {
            execute: (query?: string) => commands.executeCommand(CommonCommands.OPEN_PREFERENCES.id, query)
        });
        commands.registerCommand({ id: 'workbench.action.openWorkspaceConfigFile' }, {
            execute: () => commands.executeCommand(WorkspaceCommands.OPEN_WORKSPACE_FILE.id)
        });
        commands.registerCommand({ id: 'workbench.files.action.refreshFilesExplorer' }, {
            execute: () => commands.executeCommand(FileNavigatorCommands.REFRESH_NAVIGATOR.id)
        });
        commands.registerCommand(VscodeCommands.INSTALL_EXTENSION_FROM_ID_OR_URI, {
            execute: async (vsixUriOrExtensionId: TheiaURI | UriComponents | string) => {
                if (typeof vsixUriOrExtensionId === 'string') {
                    let extensionId = vsixUriOrExtensionId;
                    let opts: PluginDeployOptions | undefined;
                    const versionedId = PluginIdentifiers.idAndVersionFromVersionedId(vsixUriOrExtensionId);
                    if (versionedId) {
                        extensionId = versionedId.id;
                        opts = { version: versionedId.version, ignoreOtherVersions: true };
                    }
                    await this.pluginServer.install(VSCodeExtensionUri.fromId(extensionId).toString(), undefined, opts);
                } else {
                    await this.deployPlugin(vsixUriOrExtensionId);
                }
            }
        });
        commands.registerCommand(VscodeCommands.INSTALL_EXTENSION_FROM_VSIX_COMMAND, {
            execute: async (uris: TheiaURI[] | UriComponents[] | TheiaURI | UriComponents) => {
                if (isArray(uris)) {
                    await Promise.all(uris.map(async vsix => {
                        await this.deployPlugin(vsix);
                    }));
                } else {
                    await this.deployPlugin(uris);
                }
            }
        });
        commands.registerCommand(VscodeCommands.UNINSTALL_EXTENSION, {
            execute: async (id: string) => {
                if (!id) {
                    throw new Error(nls.localizeByDefault('Extension id required.'));
                }
                const idAndVersion = PluginIdentifiers.idAndVersionFromVersionedId(id);
                if (!idAndVersion) {
                    throw new Error(`Invalid extension id: ${id}\nExpected format: <publisher>.<name>@<version>.`);
                }
                await this.pluginServer.uninstall(PluginIdentifiers.idAndVersionToVersionedId(idAndVersion));
            }
        });
        commands.registerCommand({ id: 'workbench.action.files.save', }, {
            execute: (uri?: monaco.Uri) => {
                if (uri) {
                    const uriString = uri.toString();
                    const widget = this.shell.widgets.find(w => {
                        const resourceUri = Saveable.is(w) && NavigatableWidget.is(w) && w.getResourceUri();
                        return (resourceUri && resourceUri.toString()) === uriString;
                    });
                    if (Saveable.is(widget)) {
                        Saveable.save(widget);
                    }
                } else {
                    this.shell.save();
                }
            }
        });
        commands.registerCommand({ id: 'workbench.action.files.saveAll', }, {
            execute: () => this.shell.saveAll()
        });
        commands.registerCommand({ id: 'workbench.action.closeActiveEditor' }, {
            execute: () => commands.executeCommand(CommonCommands.CLOSE_MAIN_TAB.id)
        });
        commands.registerCommand({ id: 'workbench.action.closeOtherEditors' }, {
            execute: async (uri?: monaco.Uri) => {
                let editor = this.editorManager.currentEditor || this.shell.currentWidget;
                if (uri) {
                    const uriString = uri.toString();
                    editor = this.editorManager.all.find(e => {
                        const resourceUri = e.getResourceUri();
                        return (resourceUri && resourceUri.toString()) === uriString;
                    });
                }
                const toClose = this.shell.widgets.filter(widget => widget !== editor && CodeEditorWidgetUtil.is(widget));
                await this.shell.closeMany(toClose);
            }
        });

        const performActionOnGroup = (
            cb: (
                tabBarOrArea: TabBar<Widget> | ApplicationShell.Area,
                filter?: ((title: Title<Widget>, index: number) => boolean) | undefined
            ) => void,
            uri?: monaco.Uri
        ): void => {
            let editor = this.editorManager.currentEditor || this.shell.currentWidget;
            if (uri) {
                const uriString = uri.toString();
                editor = this.editorManager.all.find(e => {
                    const resourceUri = e.getResourceUri();
                    return (resourceUri && resourceUri.toString()) === uriString;
                });
            }
            if (editor) {
                const tabBar = this.shell.getTabBarFor(editor);
                if (tabBar) {
                    cb(tabBar, ({ owner }) => CodeEditorWidgetUtil.is(owner));
                }
            }
        };

        commands.registerCommand({
            id: 'workbench.action.closeEditorsInGroup',
            label: nls.localizeByDefault('Close All Editors in Group')
        }, {
            execute: (uri?: monaco.Uri) => performActionOnGroup(this.shell.closeTabs, uri)
        });
        commands.registerCommand({
            id: 'workbench.files.saveAllInGroup',
            label: nls.localizeByDefault('Save All in Group')
        }, {
            execute: (uri?: monaco.Uri) => performActionOnGroup(this.shell.saveTabs, uri)
        });
        commands.registerCommand({ id: 'workbench.action.closeEditorsInOtherGroups' }, {
            execute: () => {
                const editor = this.editorManager.currentEditor || this.shell.currentWidget;
                if (editor) {
                    const editorTabBar = this.shell.getTabBarFor(editor);
                    for (const tabBar of this.shell.allTabBars) {
                        if (tabBar !== editorTabBar) {
                            this.shell.closeTabs(tabBar,
                                ({ owner }) => CodeEditorWidgetUtil.is(owner)
                            );
                        }
                    }
                }
            }
        });
        commands.registerCommand({ id: 'workbench.action.closeEditorsToTheLeft' }, {
            execute: () => {
                const editor = this.editorManager.currentEditor || this.shell.currentWidget;
                if (editor) {
                    const tabBar = this.shell.getTabBarFor(editor);
                    if (tabBar) {
                        let left = true;
                        this.shell.closeTabs(tabBar,
                            ({ owner }) => {
                                if (owner === editor) {
                                    left = false;
                                    return false;
                                }
                                return left && CodeEditorWidgetUtil.is(owner);
                            }
                        );
                    }
                }
            }
        });
        commands.registerCommand({ id: 'workbench.action.closeEditorsToTheRight' }, {
            execute: () => {
                const editor = this.editorManager.currentEditor || this.shell.currentWidget;
                if (editor) {
                    const tabBar = this.shell.getTabBarFor(editor);
                    if (tabBar) {
                        let left = true;
                        this.shell.closeTabs(tabBar,
                            ({ owner }) => {
                                if (owner === editor) {
                                    left = false;
                                    return false;
                                }
                                return !left && CodeEditorWidgetUtil.is(owner);
                            }
                        );
                    }
                }
            }
        });
        commands.registerCommand({ id: 'workbench.action.closeAllEditors' }, {
            execute: async () => {
                const toClose = this.shell.widgets.filter(widget => CodeEditorWidgetUtil.is(widget));
                await this.shell.closeMany(toClose);
            }
        });
        commands.registerCommand({ id: 'workbench.action.nextEditor' }, {
            execute: () => this.shell.activateNextTab()
        });
        commands.registerCommand({ id: 'workbench.action.previousEditor' }, {
            execute: () => this.shell.activatePreviousTab()
        });
        commands.registerCommand({ id: 'workbench.action.navigateBack' }, {
            execute: () => commands.executeCommand(EditorCommands.GO_BACK.id)
        });
        commands.registerCommand({ id: 'workbench.action.navigateForward' }, {
            execute: () => commands.executeCommand(EditorCommands.GO_FORWARD.id)
        });
        commands.registerCommand({ id: 'workbench.action.navigateToLastEditLocation' }, {
            execute: () => commands.executeCommand(EditorCommands.GO_LAST_EDIT.id)
        });

        commands.registerCommand({ id: 'openInTerminal' }, {
            execute: (resource: URI) => this.terminalContribution.openInTerminal(new TheiaURI(resource.toString()))
        });

        commands.registerCommand({ id: 'workbench.action.reloadWindow' }, {
            execute: () => {
                this.windowService.reload();
            }
        });

        /**
         * TODO:
         * Open Next: workbench.action.openNextRecentlyUsedEditorInGroup
         * Open Previous: workbench.action.openPreviousRecentlyUsedEditorInGroup
         * Copy Path of Active File: workbench.action.files.copyPathOfActiveFile
         * Reveal Active File in Windows: workbench.action.files.revealActiveFileInWindows
         * Show Opened File in New Window: workbench.action.files.showOpenedFileInNewWindow
         * Compare Opened File With: workbench.files.action.compareFileWith
         */

        // Register built-in language service commands
        // see https://code.visualstudio.com/api/references/commands
        /* eslint-disable @typescript-eslint/no-explicit-any */

        // TODO register other `vscode.execute...` commands.
        // see https://github.com/microsoft/vscode/blob/master/src/vs/workbench/api/common/extHostApiCommands.ts
        commands.registerCommand(
            {
                id: 'vscode.executeDefinitionProvider'
            },
            {
                execute: ((resource: URI, position: Position) =>
                    commands.executeCommand<Location[]>('_executeDefinitionProvider', monaco.Uri.from(resource), position))
            }
        );
        commands.registerCommand(
            {
                id: 'vscode.executeDeclarationProvider'
            },
            {
                execute: ((resource: URI, position: Position) =>
                    commands.executeCommand<Location[]>('_executeDeclarationProvider', monaco.Uri.from(resource), position))
            }
        );
        commands.registerCommand(
            {
                id: 'vscode.executeTypeDefinitionProvider'
            },
            {
                execute: ((resource: URI, position: Position) =>
                    commands.executeCommand<Location[]>('_executeTypeDefinitionProvider', monaco.Uri.from(resource), position))
            }
        );
        commands.registerCommand(
            {
                id: 'vscode.executeImplementationProvider'
            },
            {
                execute: ((resource: URI, position: Position) =>
                    commands.executeCommand<Location[]>('_executeImplementationProvider', monaco.Uri.from(resource), position))
            }
        );
        commands.registerCommand(
            {
                id: 'vscode.executeHoverProvider'
            },
            {
                execute: ((resource: URI, position: Position) =>
                    commands.executeCommand<Hover[]>('_executeHoverProvider', monaco.Uri.from(resource), position))
            }
        );
        commands.registerCommand(
            {
                id: 'vscode.executeDocumentHighlights'
            },
            {
                execute: ((resource: URI, position: Position) =>
                    commands.executeCommand<DocumentHighlight[]>('_executeDocumentHighlights', monaco.Uri.from(resource), position))
            }
        );
        commands.registerCommand(
            {
                id: 'vscode.executeReferenceProvider'
            },
            {
                execute: ((resource: URI, position: Position) => commands.executeCommand<Location[]>('_executeReferenceProvider', monaco.Uri.from(resource), position))
            }
        );
        commands.registerCommand(
            {
                id: 'vscode.executeDocumentSymbolProvider'
            },
            {
                execute: (resource: URI) => commands.executeCommand('_executeDocumentSymbolProvider',
                    monaco.Uri.parse(resource.toString())
                ).then((value: any) => { // eslint-disable-line @typescript-eslint/no-explicit-any
                    if (!Array.isArray(value) || value === undefined) {
                        return undefined;
                    }
                    return value.map(loc => toMergedSymbol(resource, loc));
                })
            }
        );
        commands.registerCommand(
            {
                id: 'vscode.executeFormatDocumentProvider'
            },
            {
                execute: ((resource: URI, options: FormattingOptions) =>
                    commands.executeCommand<TextEdit[]>('_executeFormatDocumentProvider', monaco.Uri.from(resource), options))
            }
        );
        commands.registerCommand(
            {
                id: 'vscode.executeFormatRangeProvider'
            },
            {
                execute: ((resource: URI, range: Range, options: FormattingOptions) =>
                    commands.executeCommand<TextEdit[]>('_executeFormatRangeProvider', monaco.Uri.from(resource), range, options))
            }
        );
        commands.registerCommand(
            {
                id: 'vscode.executeFormatOnTypeProvider'
            },
            {
                execute: ((resource: URI, position: Position, ch: string, options: FormattingOptions) =>
                    commands.executeCommand<TextEdit[]>('_executeFormatOnTypeProvider', monaco.Uri.from(resource), position, ch, options))
            }
        );
        commands.registerCommand(
            {
                id: 'vscode.executeFoldingRangeProvider'
            },
            {
                execute: ((resource: URI, position: Position) =>
                    commands.executeCommand<TextEdit[]>('_executeFoldingRangeProvider', monaco.Uri.from(resource), position))
            }
        );
        commands.registerCommand(
            {
                id: 'vscode.executeCodeActionProvider'
            },
            {
                execute: ((resource: URI, range: Range, kind?: string, itemResolveCount?: number) =>
                    commands.executeCommand<TextEdit[]>('_executeCodeActionProvider', monaco.Uri.from(resource), range, kind, itemResolveCount))
            }
        );
        commands.registerCommand(
            {
                id: 'vscode.executeCompletionItemProvider'
            },
            {
                execute: ((resource: URI, position: PluginPosition, triggerCharacter?: string, itemResolveCount?: number) =>
                    commands.executeCommand<CompletionList[]>(
                        '_executeCompletionItemProvider',
                        monaco.Uri.from(resource),
                        { lineNumber: position.line, column: position.character },
                        triggerCharacter,
                        itemResolveCount
                    )
                )
            }
        );
        commands.registerCommand(
            {
                id: 'vscode.executeWorkspaceSymbolProvider'
            },
            {
                execute: async (queryString: string) =>
                    (await Promise.all(
                        this.monacoLanguages.workspaceSymbolProviders
                            .map(async provider => provider.provideWorkspaceSymbols({ query: queryString }, new CancellationTokenSource().token))))
                        .flatMap(symbols => symbols)
                        .filter(symbols => !!symbols)
            }
        );

        commands.registerCommand(
            {
                id: 'vscode.prepareCallHierarchy'
            },
            {
                execute: async (resource: URI, position: Position): Promise<CallHierarchyItem[]> => {
                    const provider = await this.getCallHierarchyServiceForUri(resource);
                    const definition = await provider?.getRootDefinition(
                        resource.path,
                        toPosition(position),
                        new CancellationTokenSource().token
                    );
                    if (definition) {
                        return definition.items.map(item => fromItemHierarchyDefinition(item));
                    };
                    return [];
                }
            }
        );
        commands.registerCommand(
            {
                id: 'vscode.provideIncomingCalls'
            },
            {
                execute: async (item: CallHierarchyItem): Promise<CallHierarchyIncomingCall[]> => {
                    const resource = URI.from(item.uri);
                    const provider = await this.getCallHierarchyServiceForUri(resource);
                    const incomingCalls = await provider?.getCallers(
                        toItemHierarchyDefinition(item),
                        new CancellationTokenSource().token,
                    );
                    if (incomingCalls) {
                        return incomingCalls.map(fromCallHierarchyCallerToModelCallHierarchyIncomingCall);
                    }
                    return [];
                },
            },
        );
        commands.registerCommand(
            {
                id: 'vscode.provideOutgoingCalls'
            },
            {
                execute: async (item: CallHierarchyItem): Promise<CallHierarchyOutgoingCall[]> => {
                    const resource = URI.from(item.uri);
                    const provider = await this.getCallHierarchyServiceForUri(resource);
                    const outgoingCalls = await provider?.getCallees?.(
                        toItemHierarchyDefinition(item),
                        new CancellationTokenSource().token,
                    );
                    if (outgoingCalls) {
                        return outgoingCalls.map(fromCallHierarchyCalleeToModelCallHierarchyOutgoingCall);
                    }
                    return [];
                }
            }
        );
        commands.registerCommand(
            {
                id: 'vscode.prepareTypeHierarchy'
            },
            {
                execute: async (resource: URI, position: Position): Promise<TypeHierarchyItem[]> => {
                    const provider = await this.getTypeHierarchyServiceForUri(resource);
                    const session = await provider?.prepareSession(
                        resource.path,
                        toPosition(position),
                        new CancellationTokenSource().token
                    );
                    return session ? session.items.map(item => fromItemHierarchyDefinition(item)) : [];
                }
            }
        );
        commands.registerCommand(
            {
                id: 'vscode.provideSupertypes'
            },
            {
                execute: async (item: TypeHierarchyItem): Promise<TypeHierarchyItem[]> => {
                    if (!item._sessionId || !item._itemId) {
                        return [];
                    }
                    const resource = URI.from(item.uri);
                    const provider = await this.getTypeHierarchyServiceForUri(resource);
                    const items = await provider?.provideSuperTypes(
                        item._sessionId,
                        item._itemId,
                        new CancellationTokenSource().token
                    );
                    return (items ? items : []).map(typeItem => fromItemHierarchyDefinition(typeItem));
                }
            }
        );
        commands.registerCommand(
            {
                id: 'vscode.provideSubtypes'
            },
            {
                execute: async (item: TypeHierarchyItem): Promise<TypeHierarchyItem[]> => {
                    if (!item._sessionId || !item._itemId) {
                        return [];
                    }
                    const resource = URI.from(item.uri);
                    const provider = await this.getTypeHierarchyServiceForUri(resource);
                    const items = await provider?.provideSubTypes(
                        item._sessionId, item._itemId,
                        new CancellationTokenSource().token
                    );
                    return (items ? items : []).map(typeItem => fromItemHierarchyDefinition(typeItem));

                }
            }
        );

        commands.registerCommand({
            id: 'workbench.action.openRecent'
        }, {
            execute: () => this.quickOpenWorkspace.select()
        });
        commands.registerCommand({
            id: 'explorer.newFolder'
        }, {
            execute: () => commands.executeCommand(WorkspaceCommands.NEW_FOLDER.id)
        });
        commands.registerCommand({
            id: 'workbench.action.terminal.sendSequence'
        }, {
            execute: (args?: { text?: string }) => {
                if (args === undefined || args.text === undefined) {
                    return;
                }

                const currentTerminal = this.terminalService.currentTerminal;

                if (currentTerminal === undefined) {
                    return;
                }

                currentTerminal.sendText(args.text);
            }
        });
        commands.registerCommand({
            id: 'workbench.action.terminal.kill'
        }, {
            execute: () => {
                const currentTerminal = this.terminalService.currentTerminal;

                if (currentTerminal === undefined) {
                    return;
                }

                currentTerminal.dispose();
            }
        });
        commands.registerCommand({
            id: 'workbench.view.explorer'
        }, {
            execute: () => commands.executeCommand(FileNavigatorCommands.FOCUS.id)
        });
        commands.registerCommand({
            id: 'copyFilePath'
        }, {
            execute: () => commands.executeCommand(CommonCommands.COPY_PATH.id)
        });
        commands.registerCommand({
            id: 'copyRelativeFilePath'
        }, {
            execute: () => commands.executeCommand(WorkspaceCommands.COPY_RELATIVE_FILE_PATH.id)
        });
        commands.registerCommand({
            id: 'revealInExplorer'
        }, {
            execute: async (resource: URI | object) => {
                if (!URI.isUri(resource)) {
                    return;
                }
                let navigator = await this.shell.revealWidget(FILE_NAVIGATOR_ID);
                if (!navigator) {
                    await this.commandService.executeCommand(FILE_NAVIGATOR_TOGGLE_COMMAND_ID);
                    navigator = await this.shell.revealWidget(FILE_NAVIGATOR_ID);
                }
                if (navigator instanceof FileNavigatorWidget) {
                    const model = navigator.model;
                    const node = await model.revealFile(new TheiaURI(resource));
                    if (SelectableTreeNode.is(node)) {
                        model.selectNode(node);
                    }
                }
            }
        });

        commands.registerCommand({
            id: 'workbench.experimental.requestUsbDevice'
        }, {
            execute: async (options?: { filters?: unknown[] }): Promise<UsbDeviceData | undefined> => {
                const usb = (navigator as any).usb;
                if (!usb) {
                    return undefined;
                }

                const device = await usb.requestDevice({ filters: options?.filters ?? [] });
                if (!device) {
                    return undefined;
                }

                return {
                    deviceClass: device.deviceClass,
                    deviceProtocol: device.deviceProtocol,
                    deviceSubclass: device.deviceSubclass,
                    deviceVersionMajor: device.deviceVersionMajor,
                    deviceVersionMinor: device.deviceVersionMinor,
                    deviceVersionSubminor: device.deviceVersionSubminor,
                    manufacturerName: device.manufacturerName,
                    productId: device.productId,
                    productName: device.productName,
                    serialNumber: device.serialNumber,
                    usbVersionMajor: device.usbVersionMajor,
                    usbVersionMinor: device.usbVersionMinor,
                    usbVersionSubminor: device.usbVersionSubminor,
                    vendorId: device.vendorId,
                };
            }
        });

        commands.registerCommand({
            id: 'workbench.experimental.requestSerialPort'
        }, {
            execute: async (options?: { filters?: unknown[] }): Promise<SerialPortData | undefined> => {
                const serial = (navigator as any).serial;
                if (!serial) {
                    return undefined;
                }

                const port = await serial.requestPort({ filters: options?.filters ?? [] });
                if (!port) {
                    return undefined;
                }

                const info = port.getInfo();
                return {
                    usbVendorId: info.usbVendorId,
                    usbProductId: info.usbProductId
                };
            }
        });

        commands.registerCommand({
            id: 'workbench.experimental.requestHidDevice'
        }, {
            execute: async (options?: { filters?: unknown[] }): Promise<HidDeviceData | undefined> => {
                const hid = (navigator as any).hid;
                if (!hid) {
                    return undefined;
                }

                const devices = await hid.requestDevice({ filters: options?.filters ?? [] });
                if (!devices.length) {
                    return undefined;
                }

                const device = devices[0];
                return {
                    opened: device.opened,
                    vendorId: device.vendorId,
                    productId: device.productId,
                    productName: device.productName,
                    collections: device.collections
                };
            }
        });

        // required by Jupyter for the show table of contents action
        commands.registerCommand({ id: 'outline.focus' }, {
            execute: () => this.outlineViewContribution.openView({ activate: true })
        });

        // required by vscode.git
        commands.registerCommand({ id: 'workbench.view.scm' }, {
            execute: async (): Promise<void> => { // no return value: attempting to return an ScmWidget would fail serialization when transferring the result
                await this.scmContribution.openView({ activate: true });
            }
        });

        interface OpenMergeEditorCommandArg {
            base: UriComponents | string;
            input1: MergeSideInputData | string;
            input2: MergeSideInputData | string;
            output: UriComponents | string;
        }

        interface MergeSideInputData {
            uri: UriComponents;
            title?: string;
            description?: string;
            detail?: string;
        }

        commands.registerCommand({ id: '_open.mergeEditor' }, {
            execute: async (arg: OpenMergeEditorCommandArg): Promise<void> => {
                const toTheiaUri = (o: UriComponents | string): TheiaURI => {
                    if (typeof o === 'string') {
                        return new TheiaURI(o);
                    }
                    return TheiaURI.fromComponents(o);
                };

                const baseUri = toTheiaUri(arg.base);
                const resultUri = toTheiaUri(arg.output);
                const side1Uri = typeof arg.input1 === 'string' ? toTheiaUri(arg.input1) : toTheiaUri(arg.input1.uri);
                const side2Uri = typeof arg.input2 === 'string' ? toTheiaUri(arg.input2) : toTheiaUri(arg.input2.uri);
                const uri = MergeEditorUri.encode({ baseUri, side1Uri, side2Uri, resultUri });

                let side1State = undefined;
                if (typeof arg.input1 !== 'string') {
                    const { title, description, detail } = arg.input1;
                    side1State = { title, description, detail };
                }
                let side2State = undefined;
                if (typeof arg.input2 !== 'string') {
                    const { title, description, detail } = arg.input2;
                    side2State = { title, description, detail };
                }
                const options: MergeEditorOpenerOptions = { widgetState: { side1State, side2State } };

                await open(this.openerService, uri, options);
            }
        });

        // Temporary workaround: opens a single diff editor for the revealed resource.
        // TODO: GH-16280 implement a proper MultiDiffEditor widget.
        commands.registerCommand({ id: '_workbench.openMultiDiffEditor' }, {
            execute: async (options: {
                title: string;
                resources?: { originalUri: UriComponents; modifiedUri: UriComponents }[];
                reveal?: { modifiedUri: UriComponents };
            }): Promise<void> => {
                if (!options.resources?.length) {
                    return;
                }
                const revealModified = options.reveal?.modifiedUri;
                const revealStr = revealModified ? URI.revive(revealModified)?.toString() : undefined;
                const target = revealStr
                    ? options.resources.find(r => URI.revive(r.modifiedUri)?.toString() === revealStr)
                    : undefined;
                const resource = target ?? options.resources[0];
                const left = URI.revive(resource.originalUri);
                const right = URI.revive(resource.modifiedUri);
                if (left && right) {
                    await commands.executeCommand(VscodeCommands.DIFF.id, left, right, options.title);
                } else if (right) {
                    await commands.executeCommand(VscodeCommands.OPEN.id, right);
                } else if (left) {
                    await commands.executeCommand(VscodeCommands.OPEN.id, left);
                }
            },
        });
    }

    private async deployPlugin(uri: TheiaURI | UriComponents): Promise<void> {
        const uriPath = isUriComponents(uri) ? URI.revive(uri).fsPath : await this.fileService.fsPath(uri);
        return this.pluginServer.install(`local-file:${uriPath}`);
    }

    private async resolveLanguageId(resource: URI): Promise<string> {
        const reference = await this.textModelService.createModelReference(resource);
        const languageId = reference.object.languageId;
        reference.dispose();
        return languageId;
    }

    protected async getCallHierarchyServiceForUri(resource: URI): Promise<CallHierarchyService | undefined> {
        const languageId = await this.resolveLanguageId(resource);
        return this.callHierarchyProvider.get(languageId, new TheiaURI(resource));
    }

    protected async getTypeHierarchyServiceForUri(resource: URI): Promise<TypeHierarchyService | undefined> {
        const languageId = await this.resolveLanguageId(resource);
        return this.typeHierarchyProvider.get(languageId, new TheiaURI(resource));
    }
}