/********************************************************************************
 * Copyright (c) 2019-2023 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 { GParentElement, MarkerKind } from '@eclipse-glsp/sprotty';
import { GIssueMarker } from '../features/validation/issue-marker';

export namespace MarkerPredicates {
    export const ALL = (): boolean => true;
    export const ERRORS = (marker: GIssueMarker): boolean => hasIssueWithSeverity(marker, MarkerKind.ERROR);
    export const WARNINGS = (marker: GIssueMarker): boolean => hasIssueWithSeverity(marker, MarkerKind.WARNING);
    export const INFOS = (marker: GIssueMarker): boolean => hasIssueWithSeverity(marker, MarkerKind.INFO);

    export function hasIssueWithSeverity(marker: GIssueMarker, severity: 'info' | 'warning' | 'error'): boolean {
        return marker.issues.find(issue => issue.severity === severity) !== undefined;
    }
}

export function collectIssueMarkers(root: GParentElement): GIssueMarker[] {
    const markers = [];
    for (const child of root.children) {
        if (child instanceof GIssueMarker) {
            markers.push(child);
        }
        markers.push(...collectIssueMarkers(child));
    }
    return markers;
}