"use strict";

// Layer: simulation/system-creatures
// Owns Tarinai update cadence, Tarinai movement invalidation, and creature
// collision/interactions scheduled after individual updates.
(function (global) {
  const helpers = () => global.TarinaiSimulationRuntime?.helpers || {};
  const updatePolicy = () => global.TarinaiCreatureUpdatePolicy || {};

  function updateCreatures(worldRef, dt) {
    const h = helpers();
    const end = global.TarinaiPerf?.begin?.("update.tarinai") || null;
    const visibleRect = h.updateVisibleWorldRect?.(worldRef, 160) || { left: -Infinity, top: -Infinity, right: Infinity, bottom: Infinity };
    try {
      for (const t of worldRef.tarinai) {
        if (!t || t.dead) continue;
        const interval = updatePolicy().updateInterval?.(worldRef, t, visibleRect) ?? 0;
        if (!Number.isFinite(interval)) continue;
        if (interval <= 0) {
          const runDt = Math.min(1.4, (t._updateAccum || 0) + dt);
          t._updateAccum = 0;
          if (global.TarinaiCreatureRuntime?.updateOne) global.TarinaiCreatureRuntime.updateOne(t, runDt);
          else t.update(runDt);
          continue;
        }
        t._updateAccum = Math.min(2.4, (t._updateAccum || 0) + dt);
        t._nextLowFreqUpdateAt = Number.isFinite(t._nextLowFreqUpdateAt) ? t._nextLowFreqUpdateAt : (worldRef.time || 0) + interval * (0.65 + Math.random() * 0.7);
        if ((worldRef.time || 0) >= t._nextLowFreqUpdateAt) {
          const runDt = Math.max(dt, t._updateAccum || dt);
          t._updateAccum = 0;
          t._nextLowFreqUpdateAt = (worldRef.time || 0) + interval;
          if (global.TarinaiCreatureRuntime?.updateOne) global.TarinaiCreatureRuntime.updateOne(t, runDt);
          else t.update(runDt);
        }
      }
    } finally {
      if (end) end();
    }
    const now = worldRef.time || 0;
    const bedConflictInterval = 3.2;
    if (now >= (worldRef.nextBedConflictCheckAt || 0)) {
      worldRef.nextBedConflictCheckAt = now + bedConflictInterval;
      worldRef.workStats && (worldRef.workStats.bedConflictRuns = (worldRef.workStats.bedConflictRuns || 0) + 1);
      worldRef.resolveOwnedBedSleepConflicts?.();
    } else {
      worldRef.workStats && (worldRef.workStats.bedConflictSkips = (worldRef.workStats.bedConflictSkips || 0) + 1);
    }
    h.markSpatialDirtyIfMoved?.(worldRef, worldRef.tarinai, "tarinai-moved", 0.25);
    worldRef.ensureSpatial?.("post-tarinai-update");
    worldRef.limitBallChasers();
    worldRef.resolveBallInteractions(dt);
    const collisionInterval = 1.8;
    if (now >= (worldRef.nextTarinaiCollisionCheckAt || 0)) {
      worldRef.nextTarinaiCollisionCheckAt = now + collisionInterval;
      worldRef.workStats && (worldRef.workStats.collisionRuns = (worldRef.workStats.collisionRuns || 0) + 1);
      worldRef.resolveTarinaiHighSpeedCollisions(dt);
    } else {
      worldRef.workStats && (worldRef.workStats.collisionSkips = (worldRef.workStats.collisionSkips || 0) + 1);
    }
  }

  const phases = Object.freeze({ updateCreatures });
  const helpersApi = Object.freeze({
    updateInterval(worldRef, tarinai, visibleRect) {
      return updatePolicy().updateInterval?.(worldRef, tarinai, visibleRect) ?? Infinity;
    },
  });

  global.TarinaiCreatureSimulationSystem = Object.freeze({ phases, helpers: helpersApi });
})(typeof window !== "undefined" ? window : globalThis);