import { Injectable, signal } from '@angular/core';
 import { UrlStateService } from './url-state.service';
 
 export type SidebarSection = 'quick' | 'folders' | 'tags' | 'ai' | null;
 
 @Injectable({ providedIn: 'root' })
 export class SidebarStateService {
   private openSectionSig = signal<SidebarSection>(null);
 
   constructor(private url: UrlStateService) {}
 
   openSection() { return this.openSectionSig(); }
 
   /**
    * Ouvre une section du sidebar. Pour 'ai', ne pas réinitialiser les filtres ni la recherche.
    */
   open(section: Exclude<SidebarSection, null>) {
     const prev = this.openSectionSig();
     if (prev !== section) {
       this.openSectionSig.set(section);
     }
     // Réinitialiser uniquement pour les sections de navigation principales
     if (section === 'quick' || section === 'folders' || section === 'tags') {
       this.url.showAllAndReset();
     }
   }
 
   /**
    * Bascule l'ouverture de la section AI sans impacter la liste de notes.
    */
   toggleAISection(): void {
     const curr = this.openSectionSig();
     this.openSectionSig.set(curr === 'ai' ? null : 'ai');
   }
 }