"use strict";

// Layer: entity-runtime/items/dynamic-system
// Owns dynamic tool behavior for rotator, reciprocator, firecracker, genkotsu,
// links, and static gate-fence ticking. Item.prototype methods delegate here for
// direct Item.prototype calls; lifecycle dispatch also calls this boundary directly.
(function (global) {
  function support() {
    return global.TarinaiItemLifecycleRuntimeSupport || {};
  }

  function updateFirecracker(item, dt, worldRef) {
    item.fuseTimer = Math.max(0, (item.fuseTimer ?? 5) - dt);
    if (item.fuseTimer <= 0) {
      if (worldRef?.explodeFirecracker) worldRef.explodeFirecracker(item);
      else item.amount = 0;
    }
  }

  function updateGenkotsu(item, dt) {
    item.impactFlash = Math.max(0, (item.impactFlash || 0) - dt);
    if (item.dropImpactDone) {
      item.lingerTimer = Math.max(0, (item.lingerTimer || 0) - dt);
      if ((item.lingerTimer || 0) <= 0) item.amount = 0;
    } else {
      item.amount = Math.max(item.amount || 0, 100);
    }
  }

  function updateRotator(item, dt, worldRef) {
    return Boolean(global.TarinaiMechanicalSystem?.updateRotator?.(item, dt, worldRef));
  }

  function updateReciprocator(item, dt, worldRef) {
    return Boolean(global.TarinaiMechanicalSystem?.updateReciprocator?.(item, dt, worldRef));
  }

  function resolveMechanicalInteractions(item, dt, worldRef) {
    return Boolean(global.TarinaiMechanicalSystem?.resolveInteractions?.(item, dt, worldRef));
  }



  function updateFlexibleLink(item, dt, worldRef) {
    return Boolean(global.TarinaiConstraintSystem?.updateFlexibleLink?.(item, dt, worldRef));
  }

  function updateRigidLink(item, dt, worldRef) {
    return Boolean(global.TarinaiConstraintSystem?.updateRigidLink?.(item, dt, worldRef));
  }


  function updateGateFence(item) {
    if (item) item.amount = 999;
    return Boolean(item);
  }

  function update(item, dt, worldRef) {
    if (!item || item.dead) return false;
    if (item.type === "firecracker") return updateFirecracker(item, dt, worldRef);
    if (item.type === "genkotsu") return updateGenkotsu(item, dt, worldRef);
    if (item.type === "rotator") return updateRotator(item, dt, worldRef);
    if (item.type === "reciprocator") return updateReciprocator(item, dt, worldRef);
    if (item.type === "gate_fence") return updateGateFence(item, dt, worldRef);
    if (item.type === "rope") return updateFlexibleLink(item, dt, worldRef);
    if (item.type === "rod") return updateRigidLink(item, dt, worldRef);
    return false;
  }

  global.TarinaiItemDynamicToolSystem = Object.freeze({
    update,
    updateFirecracker,
    updateGenkotsu,
    updateRotator,
    updateReciprocator,
    updateFlexibleLink,
    updateRigidLink,
    resolveMechanicalInteractions,
    updateGateFence,
  });
})(typeof window !== "undefined" ? window : globalThis);