namespace Mr.BrickAdventures.Progression.Tests;

public class ProfileSnapshotTests
{
    private static readonly LevelId Level = LevelId.Of("village_1");
    private static readonly AchievementId RescueTen = AchievementId.Of("rescue_ten_kids");

    [Fact]
    public void A_profile_survives_a_round_trip_through_its_snapshot()
    {
        var profile = Profile.Empty();
        profile.RecordTime(Level, LevelTime.Of(42.5));
        profile.UnlockAchievement(RescueTen);
        profile.Record(StatName.Deaths, 7);

        var restored = Profile.Restore(profile.Export());

        Assert.Equal(LevelTime.Of(42.5), restored.BestTimeFor(Level));
        Assert.True(restored.HasAchievement(RescueTen));
        Assert.Equal(7, restored.ReadStat(StatName.Deaths));
    }

    [Fact]
    public void Restoring_a_profile_does_not_re_announce_its_achievements()
    {
        // If Restore replayed UnlockAchievement it would raise AchievementUnlocked for every
        // achievement on every load — so the popup would fire on startup and Steam would be
        // re-pushed each time. Loading is not earning.
        var profile = Profile.Empty();
        profile.UnlockAchievement(RescueTen);

        var restored = Profile.Restore(profile.Export());

        Assert.Empty(restored.DrainEvents());
    }

    [Fact]
    public void An_unknown_statistic_is_dropped_rather_than_failing_the_load()
    {
        // A save written by a build that tracked a statistic this one no longer has. Losing one
        // counter is acceptable; refusing to load the Profile — and with it every achievement and
        // best time — is not.
        var snapshot = new ProfileSnapshot(
            BestTimes: new Dictionary<string, double>(),
            Achievements: Array.Empty<string>(),
            Statistics: new Dictionary<string, int> { ["Deaths"] = 4, ["BricksThrown"] = 99 });

        var restored = Profile.Restore(snapshot);

        Assert.Equal(4, restored.ReadStat(StatName.Deaths));
    }
}