/********************************************************************************
 * Copyright (c) 2023-2024 EclipseSource 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 WITH Classpath-exception-2.0
 ********************************************************************************/

import { ActionHandlerRegistration, ActionHandlerRegistry, IActionHandlerInitializer, LazyInjector, TYPES } from '@eclipse-glsp/sprotty';
import { inject, injectable } from 'inversify';

@injectable()
export class GLSPActionHandlerRegistry extends ActionHandlerRegistry {
    @inject(LazyInjector)
    protected lazyInjector: LazyInjector;

    protected initialized = false;

    constructor(
        @inject(TYPES.EmptyArray) registrations: ActionHandlerRegistration[],
        @inject(TYPES.EmptyArray) initializers: IActionHandlerInitializer[]
    ) {
        super(registrations, initializers);
    }
    /**
     * Retrieve a set of all action kinds for which (at least) one
     * handler is registered
     * @returns the set of handled action kinds
     */
    getHandledActionKinds(): string[] {
        return Array.from(this.elements.keys());
    }

    initialize(): void {
        if (this.initialized) {
            return;
        }

        this.lazyInjector
            .getAll<ActionHandlerRegistration>(TYPES.ActionHandlerRegistration)
            .forEach(registration => this.register(registration.actionKind, registration.factory()));
        this.lazyInjector
            .getAll<IActionHandlerInitializer>(TYPES.IActionHandlerInitializer)
            .forEach(initializer => this.initializeActionHandler(initializer));
    }
}