import { useQuery } from '@tanstack/react-query';
import { apiFetch } from './api';

export interface TeamMember {
  id: string;
  firstName: string;
  lastName: string;
  positionName?: string;
  departmentName?: string;
  departmentOrder?: number;
  positionOrder?: number;
}

export interface Department {
  name: string;
  order: number;
  members: TeamMember[];
}

export function useTeam() {
  return useQuery<TeamMember[]>({
    queryKey: ['team'],
    queryFn: () => apiFetch<TeamMember[]>('/api/employees/public'),
    staleTime: 1000 * 60 * 5,
  });
}

export function groupByDepartment(members: TeamMember[]): Department[] {
  const map = new Map<string, Department>();

  for (const m of members) {
    const key = m.departmentName ?? 'Sin departamento';
    if (!map.has(key)) {
      map.set(key, { name: key, order: m.departmentOrder ?? 99, members: [] });
    }
    map.get(key)!.members.push(m);
  }

  return Array.from(map.values()).sort((a, b) => a.order - b.order);
}