// *****************************************************************************
// Copyright (C) 2024 EclipseSource GmbH.
//
// 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 { ContainerModule } from '@theia/core/shared/inversify';
import { HUGGINGFACE_LANGUAGE_MODELS_MANAGER_PATH, HuggingFaceLanguageModelsManager } from '../common/huggingface-language-models-manager';
import { ConnectionHandler, PreferenceContribution, RpcConnectionHandler } from '@theia/core';
import { ConnectionContainerModule } from '@theia/core/lib/node/messaging/connection-container-module';
import { HuggingFaceLanguageModelsManagerImpl } from './huggingface-language-models-manager-impl';
import { HuggingFacePreferencesSchema } from '../common/huggingface-preferences';

export const HuggingFaceModelFactory = Symbol('HuggingFaceModelFactory');

// We use a connection module to handle AI services separately for each frontend.
const huggingfaceConnectionModule = ConnectionContainerModule.create(({ bind, bindBackendService, bindFrontendService }) => {
    bind(HuggingFaceLanguageModelsManagerImpl).toSelf().inSingletonScope();
    bind(HuggingFaceLanguageModelsManager).toService(HuggingFaceLanguageModelsManagerImpl);
    bind(ConnectionHandler).toDynamicValue(ctx =>
        new RpcConnectionHandler(HUGGINGFACE_LANGUAGE_MODELS_MANAGER_PATH, () => ctx.container.get(HuggingFaceLanguageModelsManager))
    ).inSingletonScope();
});

export default new ContainerModule(bind => {
    bind(PreferenceContribution).toConstantValue({ schema: HuggingFacePreferencesSchema });
    bind(ConnectionContainerModule).toConstantValue(huggingfaceConnectionModule);
});