import type { ObjectId } from 'mongodb';

/** A document in `activefires` (see docs/legacy-matching.md §1). */
export interface FireDoc {
  _id: ObjectId;
  ourid?: { type: 'Point'; coordinates: [number, number] }; // [lon, lat]
  lat: number;
  lon: number;
  when: Date;
  type: 'modis' | 'viirs' | 'vecinal' | string;
  createdAt?: Date;
  updatedAt?: Date;
  fireUnion?: ObjectId;
  [k: string]: unknown; // other NASA fields (acq_date, frp, confidence, ...)
}

/** A document in `subscriptions`. */
export interface SubscriptionDoc {
  _id: ObjectId;
  location: { lat: number; lon: number };
  geo: { type: 'Point'; coordinates: [number, number] }; // [lon, lat]
  distance: number; // radius in km
  owner: string; // userId
  type: 'web' | 'mobile' | 'telegram' | string;
  chatId?: number;
  telegramBot?: string;
}