import { ListItem } from './ListItem';

export interface NoteListProps {
  id: string;
  title: string;
  category: string; // 'movies', 'shopping', 'tasks', 'general'
  description?: string;
  color?: string | null;
  icon?: string | null;
  ownerId: string;
  createdAt: Date;
  updatedAt: Date;
  items?: ListItem[];
}

export class NoteList {
  constructor(private readonly props: NoteListProps) {}

  public get id(): string { return this.props.id; }
  public get title(): string { return this.props.title; }
  public get category(): string { return this.props.category; }
  public get description(): string { return this.props.description || ''; }
  public get color(): string | null | undefined { return this.props.color; }
  public get icon(): string | null | undefined { return this.props.icon; }
  public get ownerId(): string { return this.props.ownerId; }
  public get createdAt(): Date { return this.props.createdAt; }
  public get updatedAt(): Date { return this.props.updatedAt; }
  public get items(): ListItem[] { return this.props.items || []; }

  public addItem(item: ListItem): void {
    if (!this.props.items) {
      this.props.items = [];
    }
    this.props.items.push(item);
    this.props.updatedAt = new Date();
  }

  public toJSON(): NoteListProps {
    return {
      ...this.props,
      items: this.props.items?.map(i => i.toJSON())
    };
  }
}