import useSWR from 'swr';
import { fetcher, getTenantUrl } from './api';
import type { Tenant, Machine, MachineDetail, EquipmentPart } from './types';

export function useTenants() {
  const { data, error, isLoading, mutate } = useSWR<{ tenants: Tenant[] }>(
    '/api/tenants',
    fetcher,
  );

  return {
    tenants: data?.tenants || [],
    error,
    isLoading,
    mutate,
  };
}

export function useTenantData<T>(path: string, tenantId?: string) {
  const url = tenantId ? getTenantUrl(path, tenantId) : null;
  const { data, error, isLoading, mutate } = useSWR<T>(url, fetcher);

  return {
    data: data ?? null,
    error,
    isLoading,
    mutate,
  };
}

export function useMachines(tenantId?: string) {
  const url = tenantId ? `/api/${tenantId}/machines` : null;
  const { data, error, isLoading, mutate } = useSWR<{ machines: Machine[] }>(
    url,
    fetcher,
    { refreshInterval: 30000, dedupingInterval: 2000 },
  );

  return {
    machines: data?.machines || [],
    error,
    isLoading,
    mutate,
  };
}

export function useMachine(tenantId?: string, machineId?: string) {
  const url = tenantId && machineId ? `/api/${tenantId}/machines/${machineId}` : null;
  const { data, error, isLoading, mutate } = useSWR<MachineDetail>(
    url,
    fetcher,
    { refreshInterval: 30000, dedupingInterval: 2000 },
  );

  return {
    machine: data ?? null,
    error,
    isLoading,
    mutate,
  };
}

export function useEquipmentParts(tenantId?: string, machineId?: string) {
  const url = tenantId && machineId ? `/api/${tenantId}/machines/${machineId}/parts` : null;
  const { data, error, isLoading, mutate } = useSWR<{ parts: EquipmentPart[] }>(
    url,
    fetcher,
    { refreshInterval: 30000, dedupingInterval: 2000 },
  );

  return {
    parts: data?.parts || [],
    error,
    isLoading,
    mutate,
  };
}