import { useState, useCallback, useEffect } from 'react';
import {
  getCategories,
  createCategory as createCategoryApi,
  updateCategory as updateCategoryApi,
  deleteCategory as deleteCategoryApi,
} from '@/lib/api/categories';
import { Category, CreateCategoryInput, UpdateCategoryInput } from '@/types/category';
import { logger } from '@/lib/logger';

const MODULE = 'useCategories';

interface UseCategoriesReturn {
  categories: Category[];
  isLoading: boolean;
  error: string | null;
  fetchCategories: () => Promise<void>;
  createCategory: (data: CreateCategoryInput) => Promise<{ categoryId: string }>;
  updateCategory: (id: string, data: UpdateCategoryInput) => Promise<void>;
  deleteCategory: (id: string) => Promise<void>;
  refetch: () => void;
}

/**
 * Hook personalizado para gestionar categorías
 *
 * Reemplaza las llamadas a Server Actions
 */
export function useCategories(): UseCategoriesReturn {
  const [categories, setCategories] = useState<Category[]>([]);
  const [isLoading, setIsLoading] = useState(true);
  const [error, setError] = useState<string | null>(null);
  const [refetchKey, setRefetchKey] = useState(0);

  const fetchCategories = useCallback(async () => {
    setIsLoading(true);
    setError(null);

    try {
      logger.debug(MODULE, 'Cargando categorías');
      const data = await getCategories();
      logger.info(MODULE, `Categorías cargadas: ${data.length}`);
      setCategories(data);
    } catch (err) {
      const errorMessage = err instanceof Error ? err.message : 'Error al cargar categorías';
      logger.error(MODULE, 'Error al cargar categorías', err instanceof Error ? err : undefined);
      setError(errorMessage);
      setCategories([]);
    } finally {
      setIsLoading(false);
    }
  }, [refetchKey]);

  const createCategory = useCallback(async (data: CreateCategoryInput) => {
    logger.info(MODULE, 'Creando categoría', { name: data.name });
    const result = await createCategoryApi(data);
    logger.info(MODULE, 'Categoría creada', { categoryId: result.categoryId });
    setRefetchKey(prev => prev + 1);
    return result;
  }, []);

  const updateCategory = useCallback(async (id: string, data: UpdateCategoryInput) => {
    logger.debug(MODULE, 'Actualizando categoría', { id });
    await updateCategoryApi(id, data);
    logger.info(MODULE, 'Categoría actualizada', { id });
    setRefetchKey(prev => prev + 1);
  }, []);

  const deleteCategory = useCallback(async (id: string) => {
    logger.info(MODULE, 'Eliminando categoría', { id });
    await deleteCategoryApi(id);
    logger.info(MODULE, 'Categoría eliminada', { id });
    setRefetchKey(prev => prev + 1);
  }, []);

  const refetch = useCallback(() => {
    setRefetchKey(prev => prev + 1);
  }, []);

  useEffect(() => {
    fetchCategories();
  }, [fetchCategories]);

  return {
    categories,
    isLoading,
    error,
    fetchCategories,
    createCategory,
    updateCategory,
    deleteCategory,
    refetch,
  };
}