using UnityEngine;

namespace IdleSpectator;

/// <summary>Registers era and meta-genesis interest candidates.</summary>
public static class MetaInterestFeed
{
    public static void EmitEra(string eraId)
    {
        if (!AgentHarness.LiveFeedsAllowed)
        {
            return;
        }

        DiscreteEventEntry entry = EventCatalog.Era.GetOrFallback(eraId);
        if (!EventCatalog.IsCameraWorthy(entry))
        {
            InterestDropLog.Record("createsInterest=false", "meta");
            return;
        }

        // Eras are world-scoped: location-only. Prefer camera center, else a known map tile.
        Vector3 pos = Vector3.zero;
        try
        {
            if (Camera.main != null)
            {
                Vector3 cam = Camera.main.transform.position;
                pos = new Vector3(cam.x, cam.y, 0f);
            }
        }
        catch
        {
            pos = Vector3.zero;
        }

        if (pos == Vector3.zero)
        {
            try
            {
                if (MapBox.instance != null)
                {
                    // Non-zero placeholder so location-only Register accepts the candidate.
                    pos = new Vector3(1f, 1f, 0f);
                }
            }
            catch
            {
                pos = new Vector3(1f, 1f, 0f);
            }
        }

        if (pos == Vector3.zero)
        {
            pos = new Vector3(1f, 1f, 0f);
        }

        string key = "era:" + entry.Id;
        EventFeedUtil.Register(
            key,
            "era",
            entry.Category,
            entry.MakeLabel("", ""),
            entry.Id,
            entry.EventStrength,
            pos,
            follow: null,
            locationOnly: true,
            minWatch: 6f,
            maxWatch: 28f);
    }

    public static void EmitMeta(string eventId, string category, float strength, Actor anchor, string label)
    {
        if (!AgentHarness.LiveFeedsAllowed)
        {
            return;
        }

        Actor follow = anchor != null && anchor.isAlive() ? anchor : null;
        if (follow == null)
        {
            // Meta genesis without a founder: skip unit dossier rather than invent a subject.
            return;
        }

        string key = "meta:" + eventId + ":" + EventFeedUtil.SafeId(follow);
        EventFeedUtil.Register(
            key,
            "meta",
            category,
            label,
            eventId,
            strength,
            follow.current_position,
            follow);
    }

    /// <summary>
    /// Ongoing earthquake while <see cref="Earthquake.isQuakeActive"/> - covers god-tool quakes
    /// and disaster-spawned quakes (WorldLog may also fire for the latter).
    /// </summary>
    public static void EmitEarthquake(WorldTile tile)
    {
        if (!AgentHarness.LiveFeedsAllowed)
        {
            return;
        }

        Vector3 pos = Vector3.zero;
        try
        {
            if (tile != null)
            {
                pos = tile.posV3;
            }
        }
        catch
        {
            pos = Vector3.zero;
        }

        if (pos == Vector3.zero)
        {
            try
            {
                if (Camera.main != null)
                {
                    Vector3 cam = Camera.main.transform.position;
                    pos = new Vector3(cam.x, cam.y, 0f);
                }
            }
            catch
            {
                pos = new Vector3(1f, 1f, 0f);
            }
        }

        if (pos == Vector3.zero)
        {
            pos = new Vector3(1f, 1f, 0f);
        }

        Actor follow = WorldActivityScanner.FindNearestAliveUnit(pos, 80f);
        string label = EventReason.Earthquake(follow);
        EventFeedUtil.Register(
            "earthquake:active",
            "earthquake",
            "Disaster",
            label,
            "earthquake",
            95f,
            pos,
            follow,
            locationOnly: follow == null,
            minWatch: 8f,
            maxWatch: 45f,
            completion: InterestCompletionKind.EarthquakeActive);
    }
}