using Xunit;
using FluentAssertions;
using NSubstitute;
using FreeCode.Commands;
using FreeCode.Core.Enums;
using FreeCode.Core.Models;
using FreeCode.Tests.Unit.Helpers;

namespace FreeCode.Tests.Unit.Commands;

public sealed class ExitCommandTests
{
    [Fact]
    public void ExitCommand_ExposesExpectedMetadata()
    {
        var command = new ExitCommand();

        command.Name.Should().Be("exit");
        command.Aliases.Should().Equal("quit");
        command.Description.Should().Be("Exit the application.");
    }

    [Fact]
    public async Task ExecuteAsync_ReturnsSuccessfulExitResult()
    {
        var command = new ExitCommand();

        var result = await command.ExecuteAsync(new CommandContext(Environment.CurrentDirectory, new SimpleServiceProvider()));

        result.Success.Should().BeTrue();
        result.Output.Should().Be("Exit requested.");
    }

    [Fact]
    public void ExitCommand_UsesLocalCategoryAndAlwaysAvailability()
    {
        var command = new ExitCommand();

        command.Category.Should().Be(CommandCategory.Local);
        command.Availability.Should().Be(CommandAvailability.Always);
        command.IsEnabled().Should().BeTrue();
    }
}