export type Role = "admin" | "owner" | "employee";
export type AppointmentStatus = "scheduled" | "completed" | "cancelled" | "no_show";

export interface Business {
  id: number;
  name: string;
  industry: string;
  currency: string;
  currency_symbol: string;
  phone: string | null;
  address: string | null;
  slug?: string | null;
  plan?: string;
  status?: string;
  template?: string | null;
  trial_ends_at?: string | null;
  booking_enabled?: number | boolean;
  cancel_window_hours?: number;
  cancel_penalty_pct?: number;
  require_deposit?: number | boolean;
  deposit_pct?: number;
  timezone?: string;
  auto_assign_specialist?: number | boolean;
  working_hours?: WorkingHoursMap | string | null;
  created_at?: string;
}

export type WorkingDay = { start: string; end: string };
export type WorkingHoursMap = Record<number, WorkingDay | null>; // 1=Lun … 7=Dom

export interface User {
  id: number;
  business_id: number | null;
  email: string;
  name: string;
  role: Role;
  employee_id: number | null;
  avatar_color: string;
}

export interface Employee {
  id: number;
  business_id: number;
  name: string;
  email: string | null;
  phone: string | null;
  color: string;
  role: string;
  active: 0 | 1;
  rating: number;
  hire_date: string | null;
  service_ids?: number[];
  specialties?: string[];
  working_hours?: WorkingHoursMap | string | null;
  efficiency_score?: number;
  stats?: EmployeeStats;
}

export interface EmployeeStats {
  appointments_total: number;
  appointments_completed: number;
  revenue_total: number;
  avg_rating: number;
  utilization_pct: number;
}

export interface Service {
  id: number;
  business_id: number;
  name: string;
  description: string | null;
  category: string;
  duration_min: number;
  price: number;
  color: string;
  active: 0 | 1;
  employee_ids?: number[];
}

export interface Client {
  id: number;
  business_id: number;
  name: string;
  email: string | null;
  phone: string | null;
  notes: string | null;
  tags: string | null;
  created_at: string;
  stats?: ClientStats;
}

export interface ClientStats {
  visits: number;
  total_spent: number;
  last_visit: string | null;
  avg_ticket: number;
  no_show_count: number;
}

export interface Appointment {
  id: number;
  business_id: number;
  service_id: number;
  employee_id: number;
  client_id: number;
  start_at: string;
  end_at: string;
  status: AppointmentStatus;
  price: number;
  notes: string | null;
  created_by_user_id: number | null;
  created_at: string;
  updated_at: string;
  // joined fields
  service?: Service;
  employee?: Pick<Employee, "id" | "name" | "color" | "role">;
  client?: Pick<Client, "id" | "name" | "phone" | "email" | "tags">;
}

export interface Ticket {
  id: number;
  business_id: number;
  appointment_id: number | null;
  client_id: number;
  employee_id: number;
  service_id: number;
  amount: number;
  tip: number;
  payment_method: string;
  created_at: string;
  service?: Pick<Service, "id" | "name" | "category" | "color">;
  employee?: Pick<Employee, "id" | "name" | "color">;
  client?: Pick<Client, "id" | "name">;
}

export interface DashboardOverview {
  revenue_today: number;
  revenue_week: number;
  revenue_month: number;
  revenue_change_pct: number;
  appts_today: number;
  appts_week: number;
  appts_upcoming: number;
  active_clients: number;
  avg_ticket: number;
  cancel_rate: number;
  occupancy_pct: number;
}

export interface RankedEmployee {
  employee: Pick<Employee, "id" | "name" | "color" | "role">;
  appointments: number;
  revenue: number;
  avg_rating: number;
  utilization_pct: number;
}

export interface RankedService {
  service: Pick<Service, "id" | "name" | "category" | "color">;
  count: number;
  revenue: number;
}

export interface RankedClient {
  client: Pick<Client, "id" | "name" | "tags" | "phone">;
  visits: number;
  total_spent: number;
  last_visit: string | null;
}

export interface TopTicket {
  ticket: Ticket;
}

export interface RevenuePoint {
  date: string;
  revenue: number;
  appts: number;
}

export interface CategorySlice {
  category: string;
  revenue: number;
  count: number;
}