using System.Text.Json;
using backend.Tools;
using FluentAssertions;
using Xunit;

namespace backend.tests;

public class EndSessionToolTests
{
    [Fact]
    public async Task Returns_ok_true()
    {
        var tool = new EndSessionTool();
        var ctx = new DeviceContext(Guid.NewGuid(), Guid.NewGuid(), new NoopChannel());

        var res = await tool.ExecuteAsync(
            new ToolInvocation("call_1", JsonDocument.Parse("{}").RootElement), ctx, default);

        res.Output.GetProperty("ok").GetBoolean().Should().BeTrue();
    }

    [Fact]
    public void Name_and_runs_during_response_match_spec()
    {
        var tool = new EndSessionTool();
        tool.Name.Should().Be("end_session");
        tool.RunsDuringResponse.Should().BeFalse();
    }

    private class NoopChannel : IDeviceChannel
    {
        public Task<JsonElement> CallPiToolAsync(string n, JsonElement a, CancellationToken ct)
            => throw new NotSupportedException();
    }
}