"use strict";

// Layer: shared-runtime/pipeline
// Small helper for explicit ordered update-step pipelines.
(function (global) {
  function create(stepNames, invokeStep) {
    const names = Object.freeze([...(stepNames || [])]);
    let cachedSteps = null;

    function steps() {
      if (!cachedSteps) cachedSteps = names.map(name => global[name]);
      return cachedSteps;
    }

    function run(...args) {
      const concrete = steps();
      if (concrete.length !== names.length || concrete.some(step => !step || typeof step.update !== "function")) return false;
      for (const step of concrete) {
        const result = invokeStep(step, ...args) || {};
        if (result.done) return result.ok !== false;
      }
      return true;
    }

    return Object.freeze({ run });
  }

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