"use strict";

// Layer: entity-runtime/tarinai
// Owns the public Tarinai update boundary. Tarinai.prototype.update remains a
// compatibility facade; concrete behavior now routes through TarinaiUpdatePipeline
// when available, with the captured legacy update kept as a fallback.
(function (global) {
  let legacyUpdate = null;

  function preferredLegacyUpdate(proto) {
    const systemLegacy = global.TarinaiLegacyUpdateSystem?.updateWithThis;
    if (typeof systemLegacy === "function") return systemLegacy;
    return proto?.update || legacyUpdate;
  }

  function installPrototypeBoundary() {
    const proto = global.Tarinai?.prototype;
    if (!proto || proto._tarinaiCreatureRuntimeInstalled) return false;
    legacyUpdate = preferredLegacyUpdate(proto);
    if (typeof legacyUpdate === "function" && !proto._tarinaiLegacyUpdate) {
      Object.defineProperty(proto, "_tarinaiLegacyUpdate", {
        value: legacyUpdate,
        configurable: true,
        writable: true,
      });
    }
    proto.update = function update(dt) {
      return global.TarinaiCreatureRuntime.updateOne(this, dt);
    };
    Object.defineProperty(proto, "_tarinaiCreatureRuntimeInstalled", {
      value: true,
      configurable: true,
      writable: true,
    });
    return true;
  }

  function updateOne(tarinai, dt) {
    const fn = tarinai?._tarinaiLegacyUpdate || legacyUpdate || global.TarinaiLegacyUpdateSystem?.updateWithThis;
    if (!tarinai || tarinai.dead || typeof fn !== "function") return false;
    if (global.TarinaiUpdatePipeline?.updateOne) {
      return global.TarinaiUpdatePipeline.updateOne(tarinai, dt, { legacyUpdate: fn }) !== false;
    }
    fn.call(tarinai, dt);
    return true;
  }

  function updateBatch(tarinaiList, dt) {
    if (!Array.isArray(tarinaiList)) return 0;
    let ran = 0;
    for (const t of tarinaiList) if (updateOne(t, dt)) ran += 1;
    return ran;
  }

  global.TarinaiCreatureRuntime = Object.freeze({
    installPrototypeBoundary,
    updateOne,
    updateBatch,
  });
  installPrototypeBoundary();
})(typeof window !== "undefined" ? window : globalThis);