using System;
using Xunit;
using ytLive.Models;

namespace ytLive.Tests;

/// <summary>The quiet-by-default rule: watch hours only during a live stream (Analytics is a daily
/// figure and test/record sessions have no public audience), subscribers whenever the app is
/// working, and silence when idle.</summary>
public class ScoreboardCadenceTests
{
    [Fact]
    public void Analytics_polls_only_when_live_and_subscribers_poll_during_any_session()
    {
        var now = new DateTime(2026, 10, 30, 12, 0, 0, DateTimeKind.Utc);
        var old = now.AddHours(-2);

        // Idle: silent, even if everything is stale.
        Assert.Equal(ScoreboardPoll.None, ScoreboardCadence.Due(SessionPhase.Idle, old, old, now));

        // Live with stale figures: both.
        Assert.Equal(ScoreboardPoll.Both, ScoreboardCadence.Due(SessionPhase.Live, old, old, now));

        // Test / recording: subscribers only — no public audience, so no analytics.
        Assert.Equal(ScoreboardPoll.SubscribersOnly, ScoreboardCadence.Due(SessionPhase.Test, old, old, now));
        Assert.Equal(ScoreboardPoll.SubscribersOnly, ScoreboardCadence.Due(SessionPhase.Recording, old, old, now));

        // Fresh figures: nothing is due.
        Assert.Equal(ScoreboardPoll.None, ScoreboardCadence.Due(SessionPhase.Live, now, now, now));

        // Analytics alone never polls (it is not a kind the poller knows).
        Assert.Equal(ScoreboardPoll.None,
            ScoreboardCadence.Due(SessionPhase.Live, old, now.AddSeconds(-10), now));

        // The master switch beats every other rule: off means silent, whatever the session is.
        Assert.Equal(ScoreboardPoll.None, ScoreboardCadence.Due(SessionPhase.Live, old, old, now, enabled: false));
        Assert.Equal(ScoreboardPoll.None, ScoreboardCadence.Due(SessionPhase.Test, old, old, now, enabled: false));
        Assert.Equal(ScoreboardPoll.None, ScoreboardCadence.Due(SessionPhase.Recording, old, old, now, enabled: false));

        // Subscribers alone mid-window.
        Assert.Equal(ScoreboardPoll.SubscribersOnly,
            ScoreboardCadence.Due(SessionPhase.Live, now, old, now));
    }
}