namespace IdleSpectator;

/// <summary>
/// IdleSpectator event inventory (one type, split across partial files).
///
/// Layer B (ticker): Activity / Life prose for live ids - completeness.
/// Layer A (story camera): only CameraWorthy beats register interest and cut the camera.
///
/// Call sites: EventCatalog.Status / .Happiness / .Combat / …
/// Director only ranks A candidates; it does not author inventory.
///
/// Domain files under Events/Catalogs/:
///   EventCatalog.Status.cs
///   EventCatalog.Happiness.cs
///   EventCatalog.WorldLog.cs
///   EventCatalog.Trait.cs
///   EventCatalog.Book.cs
///   EventCatalog.Era.cs
///   EventCatalog.Plot.cs
///   EventCatalog.Relationship.cs
///   EventCatalog.Disaster.cs
///   EventCatalog.WarType.cs
///   EventCatalog.Libraries.cs
/// Combat policy lives in this file.
/// </summary>
public static partial class EventCatalog
{
    /// <summary>Drop cached catalog rows so the next Ensure reloads from event-catalog.json.</summary>
    public static void InvalidateAllOverlays()
    {
        Decision.InvalidateOverlays();
        Happiness.InvalidateOverlays();
        Status.InvalidateOverlays();
        WorldLog.InvalidateOverlays();
        Plot.InvalidateOverlays();
        Relationship.InvalidateOverlays();
        Story.InvalidateOverlays();
        Trait.InvalidateOverlays();
        Book.InvalidateOverlays();
        Era.InvalidateOverlays();
        Disaster.InvalidateOverlays();
        WarType.InvalidateOverlays();
        Spell.InvalidateOverlays();
        Power.InvalidateOverlays();
        Item.InvalidateOverlays();
        Gene.InvalidateOverlays();
        Phenotype.InvalidateOverlays();
        WorldLaw.InvalidateOverlays();
        SubspeciesTrait.InvalidateOverlays();
        Biome.InvalidateOverlays();
        CultureTrait.InvalidateOverlays();
        ReligionTrait.InvalidateOverlays();
        ClanTrait.InvalidateOverlays();
        LanguageTrait.InvalidateOverlays();
    }

    /// <summary>
    /// Layer A gate for happiness: Signal may own the camera; Ambient/Aggregate are B-only.
    /// </summary>
    public static bool IsCameraWorthy(HappinessPresentationTier presentation) =>
        presentation == HappinessPresentationTier.Signal;

    /// <summary>Layer A gate for discrete / status / worldlog rows.</summary>
    public static bool IsCameraWorthy(bool createsInterest) => createsInterest;

    public static bool IsCameraWorthy(DiscreteEventEntry entry) =>
        entry != null && entry.CreatesInterest && !entry.IsFallback;

    public static bool IsCameraWorthy(StatusInterestEntry entry) =>
        entry != null && entry.CreatesInterest && !entry.IsFallback;

    public static bool IsCameraWorthy(WorldLogEventEntry entry) =>
        entry != null && entry.CreatesInterest && !entry.IsFallback;

    public static bool IsCameraWorthy(HappinessCatalogEntry entry) =>
        entry != null && IsCameraWorthy(entry.Presentation);

    /// <summary>Combat camera policy (activity + scanner share one key / dials).</summary>
    public static class Combat
    {
        public const float ActivityStrength = 88f;
        public const float ScannerStrengthFloor = 80f;
        public const float MinWatch = 4f;
        public const float MaxWatch = 60f;
        public const float ActivityTtl = 20f;
        public const float ScannerTtl = 18f;

        public static string Key(long subjectId) => "combat:" + subjectId;

        /// <summary>
        /// Unordered pair key so A-vs-B and B-vs-A collapse to one durable combat scene.
        /// </summary>
        public static string PairKey(long a, long b)
        {
            if (a == 0 && b == 0)
            {
                return "combat:0";
            }

            if (a == 0)
            {
                return Key(b);
            }

            if (b == 0 || a == b)
            {
                return Key(a);
            }

            long lo = a < b ? a : b;
            long hi = a < b ? b : a;
            return "combat:pair:" + lo + ":" + hi;
        }

        public static string KeyFor(Actor follow, Actor related)
        {
            // Spectacle 1vN scraps share one scene so attack_target hops merge instead of
            // spawning combat:pair:owner:victimN keys that thrash Duel tips.
            if (follow != null && WorldActivityScanner.IsSpectaclePublic(follow))
            {
                long sid = EventFeedUtil.SafeId(follow);
                if (sid != 0)
                {
                    return "combat:spectacle:" + sid;
                }
            }

            if (related != null && WorldActivityScanner.IsSpectaclePublic(related))
            {
                long sid = EventFeedUtil.SafeId(related);
                if (sid != 0)
                {
                    return "combat:spectacle:" + sid;
                }
            }

            long a = EventFeedUtil.SafeId(follow);
            long b = EventFeedUtil.SafeId(related);
            return b != 0 ? PairKey(a, b) : Key(a);
        }
    }
}