"use strict";

// Layer: entity-runtime/tarinai/update-step
// Owns low-frequency AI cadence, need resolution, item/social interaction scans,
// and facing refresh. Extracted from Tarinai.prototype.update.
(function (global) {
  function update(t, dt, context = {}) {
    if (!t || t.dead) return { done: true };
    if (t.playerHeld || t._heldByPlayer) {
      t.aiTimer = 0;
      t.target = null;
      t.targetKey = "";
      t.updateFacing?.();
      return { done: false, held: true };
    }
    t.behaviorLockTimer = Math.max(0, (t.behaviorLockTimer || 0) - dt);
    t.aiTimer += dt;
    const urgentFoodNeed = Number(t.needRaw?.food ?? t.needs?.food ?? 0) || 0;
    const urgentAi = t.fightTimer > 0.04 || t.intimidateTimer > 0.04 || t.intimidatedTimer > 0.04 || t.birthRitualTimer > 0.04 || t.defeatedTimer > 0.04 || t.eatTimer > 0.02 || t.hurtTimer > 0.02 || t.hunger >= 96 || urgentFoodNeed >= 84;
    const aiJitter = stableUnit(t.familyKey || t.id, "ai-interval") * 0.35;
    context.urgentAi = urgentAi;
    const aiInterval = urgentAi ? 0.35 : (1.0 + aiJitter);
    if (t.aiTimer >= aiInterval && t.world.spendScheduledWork?.("ai", urgentAi) !== false) {
      const elapsedAiDt = Math.max(0.016, Math.min(t.aiTimer, urgentAi ? 0.75 : 1.50));
      const scanDt = Math.min(elapsedAiDt, 0.75);
      t.aiTimer = 0;
      // Needs intentionally advance by a fixed coarse step per AI update.
      // Exact elapsed-time integration is unnecessary for this observation game
      // and can over-amplify safety/fear transitions when updates are sparse.
      const needStepDt = urgentAi ? 0.50 : 1.00;
      t.resolveNeeds(needStepDt);
      const sleepingNow = t.state === "sleep";
      if (!sleepingNow) {
        t.reactToFreshZunchi(scanDt);
        t.updateFacing();
        TarinaiItemInteractionSystem.updateOne(t, scanDt);
        t.interactWithOthers(scanDt);
      } else {
        t.updateFacing();
      }
    } else {
      t.updateFacing();
    }
    return { done: false };
  }

  global.TarinaiAiUpdateStep = Object.freeze({ update });
})(typeof window !== "undefined" ? window : globalThis);