//
// MIT License
//
// Copyright (c) 2022 Alexander Söderberg & Contributors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
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// SOFTWARE.
//
package cloud.commandframework.annotations.feature;

import cloud.commandframework.CommandManager;
import cloud.commandframework.annotations.AnnotationParser;
import cloud.commandframework.annotations.CommandMethod;
import cloud.commandframework.execution.CommandExecutionCoordinator;
import cloud.commandframework.internal.CommandRegistrationHandler;
import cloud.commandframework.meta.CommandMeta;
import cloud.commandframework.meta.SimpleCommandMeta;
import io.leangen.geantyref.TypeToken;
import java.util.concurrent.CompletionException;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertThrows;

class RequiredSenderDeductionTest {

    private CommandManager<SuperSender<?>> commandManager;

    @BeforeEach
    void setup() {
        this.commandManager = new CommandManager<SuperSender<?>>(
                CommandExecutionCoordinator.simpleCoordinator(),
                CommandRegistrationHandler.nullCommandRegistrationHandler()
        ) {
            @Override
            public boolean hasPermission(
                    final @NonNull SuperSender<?> sender,
                    final @NonNull String permission
            ) {
                return true;
            }

            @Override
            public @NonNull CommandMeta createDefaultCommandMeta() {
                return SimpleCommandMeta.empty();
            }
        };
        AnnotationParser<SuperSender<?>> annotationParser = new AnnotationParser<>(
                this.commandManager,
                new TypeToken<SuperSender<?>>() {
                },
                parameters -> SimpleCommandMeta.empty()
        );
        annotationParser.parse(new TestClassA());
    }

    @Test
    void testCorrectSender() {
        // Arrange
        final SuperSender<?> sender = new StringSender();

        // Act
        this.commandManager.executeCommand(sender, "teststring").join();
    }

    @Test
    void testIncorrectSender() {
        // Arrange
        final SuperSender<?> sender = new IntegerSender();

        // Act
        assertThrows(
                CompletionException.class,
                () -> this.commandManager.executeCommand(sender, "teststring").join()
        );
    }


    private static class TestClassA {

        @CommandMethod("teststring")
        public void command(final StringSender sender) {
        }
    }


    public interface SuperSender<A> {
    }


    public static class StringSender implements SuperSender<String> {
    }


    public static class IntegerSender implements SuperSender<Integer> {
    }
}
