//
// MIT License
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// Copyright (c) 2022 Alexander Söderberg & Contributors
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package cloud.commandframework.issue;

import cloud.commandframework.CommandManager;
import cloud.commandframework.TestCommandSender;
import cloud.commandframework.exceptions.CommandExecutionException;
import cloud.commandframework.execution.AsynchronousCommandExecutionCoordinator;
import cloud.commandframework.internal.CommandRegistrationHandler;
import cloud.commandframework.meta.CommandMeta;
import cloud.commandframework.meta.SimpleCommandMeta;
import java.util.concurrent.CompletionException;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.junit.jupiter.api.Test;

import static com.google.common.truth.Truth.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;

/**
 * Test for https://github.com/Incendo/cloud/issues/281.
 */
@SuppressWarnings("unchecked")
class Issue281 {

    @Test
    void commandExceptionShouldNotBeSwallowed() {
        // Arrange
        final CommandManager<TestCommandSender> commandManager = new CommandManager<TestCommandSender>(
                AsynchronousCommandExecutionCoordinator.<TestCommandSender>newBuilder().withSynchronousParsing().build(),
                CommandRegistrationHandler.nullCommandRegistrationHandler()
        ) {
            @Override
            public boolean hasPermission(
                    final @NonNull TestCommandSender sender,
                    final @NonNull String permission
            ) {
                return true;
            }

            @Override
            public @NonNull CommandMeta createDefaultCommandMeta() {
                return SimpleCommandMeta.empty();
            }
        };

        final CustomException customException = new CustomException();

        commandManager.command(
                commandManager.commandBuilder("test")
                        .handler((context) -> {
                            throw customException;
                        })
                        .build()
        );

        // Act
        final CompletionException exception = assertThrows(
                CompletionException.class,
                () -> commandManager.executeCommand(new TestCommandSender(), "test").join()
        );

        // Assert
        assertThat(exception).hasCauseThat().isInstanceOf(CommandExecutionException.class);
        assertThat(exception).hasCauseThat().hasCauseThat().isInstanceOf(CustomException.class);
    }

    @SuppressWarnings("serial")
    private static final class CustomException extends RuntimeException {

    }
}
