TeleWave/backend/tests/TeleWave.Application.Tests/Broadcast/ChannelDetailsTests.cs

using TeleWave.Application.Broadcast;
using TeleWave.Application.Broadcast.GetChannel;
using TeleWave.Application.Tests.Support;
using TeleWave.Domain.Broadcast;
using Xunit;

namespace TeleWave.Application.Tests.Broadcast;

/// <summary>
/// Карточка канала: только собственные свойства канала. Сетка, стыки и заставки сюда не входят —
/// они общие и запрашиваются отдельно.
/// </summary>
public class ChannelDetailsTests
{
    private static readonly DateTimeOffset T0 = new(2026, 1, 1, 0, 0, 0, TimeSpan.Zero);

    [Fact]
    public async Task GetChannel_MapsOwnSettings()
    {
        var fixture = new TestDb();
        var channel = Channel.Create("Первый", "one", T0);
        var fillerId = Guid.NewGuid();
        var logoId = Guid.NewGuid();
        channel.UpdateSettings("Первый", isEnabled: true, fillerId);
        channel.UpdateTimeSettings(3, 120, new TimeOnly(5, 0));
        channel.UpdateViewerSettings(logoId, LogoCorner.BottomLeft, 0.4, showClock: true, 0.25);

        await using (var seed = fixture.New())
        {
            seed.Channels.Add(channel);
            await seed.SaveChangesAsync(CancellationToken.None);
        }

        await using var db = fixture.New();
        var result = await new GetChannelQueryHandler(db).Handle(
            new GetChannelQuery(channel.Id),
            CancellationToken.None
        );

        Assert.True(result.IsSuccess);
        var dto = result.Value;
        Assert.Equal("one", dto.Slug);
        Assert.True(dto.IsEnabled);
        Assert.Equal(3, dto.Number);
        Assert.Equal(120, dto.UtcOffsetMinutes);
        Assert.Equal(new TimeOnly(5, 0), dto.DayStartTime);
        Assert.Equal(fillerId, dto.FillerAssetId);
        Assert.Equal(logoId, dto.Viewer.LogoImageId);
        Assert.Equal(LogoCorner.BottomLeft, dto.Viewer.LogoCorner);
        Assert.Equal(0.4, dto.Viewer.LogoOpacity);
        Assert.True(dto.Viewer.ShowClock);
        Assert.Equal(0.25, dto.Viewer.AnalogFilterStrength);
    }

    [Fact]
    public async Task GetChannel_UnknownId_ReturnsNotFound()
    {
        var fixture = new TestDb();
        await using var db = fixture.New();

        var result = await new GetChannelQueryHandler(db).Handle(
            new GetChannelQuery(Guid.NewGuid()),
            CancellationToken.None
        );

        Assert.Equal(ChannelErrors.NotFound, result.Error);
    }
}