import { useCallback, useState } from "react";

interface UseResourceFormOptions {
  canCancel?: () => boolean;
}

interface UseResourceFormResult<TId extends string> {
  creating: boolean;
  editingId: TId | null;
  formActive: boolean;
  formError: string | null;
  startCreate: () => void;
  startEdit: (id: TId) => void;
  cancel: () => void;
  close: () => void;
  setFormError: (message: string | null) => void;
}

export const useResourceForm = <TId extends string = string>(
  options: UseResourceFormOptions = {},
): UseResourceFormResult<TId> => {
  const { canCancel } = options;
  const [creating, setCreating] = useState(false);
  const [editingId, setEditingId] = useState<TId | null>(null);
  const [formError, setFormError] = useState<string | null>(null);

  const startCreate = useCallback(() => {
    setEditingId(null);
    setFormError(null);
    setCreating(true);
  }, []);

  const startEdit = useCallback((id: TId) => {
    setCreating(false);
    setFormError(null);
    setEditingId(id);
  }, []);

  const close = useCallback(() => {
    setCreating(false);
    setEditingId(null);
    setFormError(null);
  }, []);

  const cancel = useCallback(() => {
    if (canCancel && canCancel() === false) return;
    close();
  }, [canCancel, close]);

  return {
    creating,
    editingId,
    formActive: creating || editingId !== null,
    formError,
    startCreate,
    startEdit,
    cancel,
    close,
    setFormError,
  };
};