export interface Family {
  id: string;
  name: string;
  unitNumber: string; // Internal apartment number
  contactEmail?: string;
  balance: number; // Calculated balance (positive = credit, negative = debt)
}

export interface Payment {
  id: string;
  familyId: string;
  amount: number;
  datePaid: string; // ISO Date string
  forMonth: number; // 1-12
  forYear: number;
  notes?: string;
}

export interface AppSettings {
  defaultMonthlyQuota: number;
  condoName: string;
  currentYear: number; // The active fiscal year
}

export enum PaymentStatus {
  PAID = 'PAID',
  UNPAID = 'UNPAID', // Past due
  UPCOMING = 'UPCOMING', // Future
  PENDING = 'PENDING'
}

export interface MonthStatus {
  monthIndex: number; // 0-11
  status: PaymentStatus;
  payment?: Payment;
}

export interface User {
  id: string;
  email: string;
  name?: string;
  role?: 'admin' | 'poweruser' | 'user';
  phone?: string;
  familyId?: string | null;
}

export interface AuthResponse {
  token: string;
  user: User;
}