import Dexie from 'dexie';

export interface Teacher { id: string; name: string }
export interface AttendanceRecord {
  id: string;
  teacherId: string;
  timestamp: number;
  type: 'in' | 'out';
}

export class AppDB extends Dexie {
  teachers!: Dexie.Table<Teacher, string>;
  records!: Dexie.Table<AttendanceRecord, string>;

  constructor() {
    super('AttendanceDB');
    this.version(1).stores({
      teachers: 'id, name',
      records: 'id, teacherId, timestamp, type',
    });
  }
}

export const db = new AppDB();