// *****************************************************************************
// Copyright (C) 2019 TypeFox 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 { FilepathBreadcrumb } from '@theia/filesystem/lib/browser/breadcrumbs/filepath-breadcrumb';
import { FilepathBreadcrumbClassNameFactory, FilepathBreadcrumbsContribution } from '@theia/filesystem/lib/browser/breadcrumbs/filepath-breadcrumbs-contribution';
import { inject, injectable } from '@theia/core/shared/inversify';
import { WorkspaceService } from './workspace-service';
import URI from '@theia/core/lib/common/uri';

@injectable()
export class WorkspaceBreadcrumbsContribution extends FilepathBreadcrumbsContribution {

    @inject(WorkspaceService)
    protected readonly workspaceService: WorkspaceService;

    override getContainerClassCreator(fileURI: URI): FilepathBreadcrumbClassNameFactory {
        const workspaceRoot = this.workspaceService.getWorkspaceRootUri(fileURI);
        return (location, index) => {
            if (location.isEqual(fileURI)) {
                return 'file';
            } else if (workspaceRoot?.isEqual(location)) {
                return 'root_folder';
            }
            return 'folder';
        };
    }

    override getIconClassCreator(fileURI: URI): FilepathBreadcrumbClassNameFactory {
        const workspaceRoot = this.workspaceService.getWorkspaceRootUri(fileURI);
        return (location, index) => {
            if (location.isEqual(fileURI) || workspaceRoot?.isEqual(location)) {
                return this.labelProvider.getIcon(location) + ' file-icon';
            }
            return '';
        };
    }

    protected override filterBreadcrumbs(uri: URI, breadcrumb: FilepathBreadcrumb): boolean {
        const workspaceRootUri = this.workspaceService.getWorkspaceRootUri(uri);
        const firstCrumbToHide = this.workspaceService.isMultiRootWorkspaceOpened ? workspaceRootUri?.parent : workspaceRootUri;
        return super.filterBreadcrumbs(uri, breadcrumb) && (!firstCrumbToHide || !breadcrumb.uri.isEqualOrParent(firstCrumbToHide));
    }
}