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 import * as THREE from "three";
 import {wildCardCheck} from "../utils/wildcard";
 import {CalorimetryGeometryPrettifier} from "./calorimetry.prettifier";
 import {editThreeNodeContent, EditThreeNodeRule} from "../utils/three-geometry-editor";
 import {Subdetector} from "../model/subdetector";
 
 /**
  * A typed object that associates a name (or multiple names) with an array of edit rules.
  * E.g. { name: "DIRC_14", rules: [ { patterns: [...], ... } ] }
  */
 export interface DetectorThreeRuleSet {
   names?: string[];
   name?: string;
   rules: EditThreeNodeRule[];
 }
 
 /**
  * Converts a raw JSON/JSONC array into typed DetectorThreeRuleSet objects.
  * If an EditThreeNodeRule has "materialJson", we parse it using THREE.MaterialLoader.
  */
 export function ruleSetsFromObj(obj: any): DetectorThreeRuleSet[] {
   // Not an array => return empty
   if (!Array.isArray(obj)) {
     console.warn('ruleSetsFromObj: top-level object is not an array. Returning empty.');
     return [];
   }
 
   // Create a single MaterialLoader we can reuse for all materialJson objects
   const materialLoader = new THREE.MaterialLoader();
 
   return obj.map((item: any) => {
     // Ensure we have a rules array
     if (!item.rules || !Array.isArray(item.rules)) {
       console.warn('ruleSetsFromObj: missing or invalid "rules" array in item:', item);
       return { rules: [] };
     }
 
     // Convert each rule
     const convertedRules: EditThreeNodeRule[] = item.rules.map((r: any) => {
       const rule: EditThreeNodeRule = { ...r };
 
       // 1) Convert a color from string hex "0xabcdef" => number
       if (typeof rule.color === 'string') {
         rule.color = parseInt(rule.color, 16);
       }
 
       // 2) If there's "materialJson", parse it using THREE.MaterialLoader
       if (r.materialJson && typeof r.materialJson === 'object') {
         try {
           // Convert raw JSON to real material
           const loadedMaterial = materialLoader.parse(r.materialJson);
           rule.material = loadedMaterial;
         } catch (err) {
           console.error('Failed to parse materialJson:', err, r.materialJson);
         }
       }
 
       return rule;
     });
 
     return {
       names: item.names,
       name: item.name,
       rules: convertedRules,
     };
   });
 }
 
 
 /**
  * Matches which set of rules should be applied to which detectors
  *
  * - Detectors are matched based on their `sourceGeometryName` against the names specified in the rulesets.
  * - Rule lists are matched to detectors in the order they appear in the rulesets
  * - Once a rule is applied to a detector, that detector is excluded from further rule matching, ensuring each detector is processed only once.
  * - If both `names` and `name` are provided in a ruleset, the function treats it as a user error in JSON rule editing but processes both without raising an exception.
  * - If a ruleset contains a wildcard name (`"*"`), it will apply its rules to any detectors not already matched by previous rulesets. So it should be placed in
  *
  * @param {Subdetector[]} detectors - The list of detectors to which the rules will be applied.
  * @param {DetectorThreeRuleSet[]} ruleSets - The set of rules to be applied, processed sequentially.
  * @return {Map<Subdetector, EditThreeNodeRule[]>} - A map associating each detector with an array of the rules applied to it.
  */
 export function matchRulesToDetectors(ruleSets: DetectorThreeRuleSet[], detectors: Subdetector[]): Map<Subdetector, EditThreeNodeRule[]> {
   const unassignedDetectors = new Set(detectors);
   const detectorRulesMap = new Map<Subdetector, EditThreeNodeRule[]>();
 
   for(let ruleSet of ruleSets) {
     const targets = new Set<Subdetector>();
     let names = new Set<string>(ruleSet.names || []);
 
     // Handle possible user error where both 'name' and 'names' are provided.
     if (ruleSet.name) {
       names.add(ruleSet.name);
     }
 
     for(let name of names) {
       for(let det of unassignedDetectors) {
         if (wildCardCheck(det.sourceGeometryName, name)) {
           targets.add(det);
           detectorRulesMap.set(det, ruleSet.rules || []);
           unassignedDetectors.delete(det);  // Move deletion here to optimize
         }
       }
     }
   }
 
   return detectorRulesMap;
 }
 
 export class ThreeGeometryProcessor {
 
 
   constructor() {
 
   }
 
   public processRuleSets(ruleSets: DetectorThreeRuleSet[], detectors: Subdetector[]) {
     let detRulesMap = matchRulesToDetectors(ruleSets, detectors);
     for (let [detector, ruleSet] of detRulesMap) {
       for(let rule of ruleSet) {
         editThreeNodeContent(detector.geometry, rule);
       }
     }
   }
 }

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