"use strict";

// Layer: entity-runtime/items/pipeline
// Owns the ordered item lifecycle pipeline. There is no monolithic fallback path:
// every item update must be handled by the explicit lifecycle steps below.
(function (global) {
  const CONCRETE_STEP_NAMES = Object.freeze([
    "TarinaiItemFrameLifecycleStep",
    "TarinaiItemDecayLifecycleStep",
    "TarinaiItemDynamicLifecycleStep",
    "TarinaiItemGrowthLifecycleStep",
  ]);

  function concreteSteps() {
    return CONCRETE_STEP_NAMES.map(name => global[name]).filter(step => step && typeof step.update === "function");
  }

  function canRunConcretePipeline() {
    return concreteSteps().length === CONCRETE_STEP_NAMES.length;
  }

  function updateOne(item, dt, worldRef, options = {}) {
    if (!item || item.dead || !canRunConcretePipeline()) return false;
    const context = options.context || {};
    for (const step of concreteSteps()) {
      const result = step.update(item, dt, worldRef, context) || {};
      if (result.done) return result.ok !== false;
    }
    return true;
  }

  global.TarinaiItemLifecyclePipeline = Object.freeze({
    stepNames: CONCRETE_STEP_NAMES,
    canRunConcretePipeline,
    updateOne,
  });
})(typeof window !== "undefined" ? window : globalThis);