001/*
002 * SPDX-License-Identifier: Apache-2.0
003 *
004 * Copyright 2025-2026 The Enola <https://enola.dev> Authors
005 *
006 * Licensed under the Apache License, Version 2.0 (the "License");
007 * you may not use this file except in compliance with the License.
008 * You may obtain a copy of the License at
009 *
010 *     https://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package dev.enola.cli.common;
019
020import picocli.CommandLine;
021
022public class QuietExecutionExceptionHandler implements CommandLine.IExecutionExceptionHandler {
023
024    private final Application app;
025
026    public QuietExecutionExceptionHandler(Application app) {
027        this.app = app;
028    }
029
030    @Override
031    public int handleExecutionException(
032            Exception ex, CommandLine cmd, CommandLine.ParseResult parseResult) throws Exception {
033        if (app.loggingVerbosity > 0) {
034            cmd.getErr().println(cmd.getColorScheme().richStackTraceString(ex));
035        } else {
036            var intro = "Internal Problem occurred, add -vvv flags for technical details: ";
037            cmd.getErr().print(cmd.getColorScheme().optionText(intro));
038            Throwable e = ex;
039            while (e != null) {
040                var type = e.getClass().getSimpleName();
041                var msg = e.getMessage();
042                var full = type + (msg != null ? ": " + msg : "");
043                cmd.getErr().println(cmd.getColorScheme().errorText(full));
044                e = e.getCause();
045                if (e != null) {
046                    cmd.getErr().print("caused by: ");
047                }
048            }
049        }
050        cmd.getErr().flush();
051        return cmd.getExitCodeExceptionMapper() != null
052                ? cmd.getExitCodeExceptionMapper().getExitCode(ex)
053                : cmd.getCommandSpec().exitCodeOnExecutionException();
054    }
055}