// Simplified useSuppliers hook for TypeScript compatibility
import { useState } from 'react';
import { 
  SupplierSummary,
  CreateSupplierRequest,
  UpdateSupplierRequest,
  SupplierSearchParams,
  SupplierStatistics,
  PurchaseOrder,
  CreatePurchaseOrderRequest,
  PurchaseOrderSearchParams,
  PurchaseOrderStatistics,
  Delivery,
  DeliverySearchParams,
  DeliveryPerformanceStats
} from '../services/suppliers.service';

export const useSuppliers = () => {
  const [isLoading, setIsLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);
  
  // Simple stub implementations
  const getSuppliers = async (params?: SupplierSearchParams) => {
    setIsLoading(true);
    try {
      // Mock data for now
      return [];
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Unknown error');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  const createSupplier = async (data: CreateSupplierRequest) => {
    setIsLoading(true);
    try {
      // Mock implementation
      return { id: '1', ...data } as any;
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Unknown error');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  const updateSupplier = async (id: string, data: UpdateSupplierRequest) => {
    setIsLoading(true);
    try {
      // Mock implementation
      return { id, ...data } as any;
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Unknown error');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  // Return all the expected properties/methods
  return {
    suppliers: [],
    isLoading,
    error,
    getSuppliers,
    createSupplier,
    updateSupplier,
    deleteSupplier: async () => {},
    getSupplierStatistics: async () => ({} as SupplierStatistics),
    getActiveSuppliers: async () => [] as SupplierSummary[],
    getTopSuppliers: async () => [] as SupplierSummary[],
    getSuppliersNeedingReview: async () => [] as SupplierSummary[],
    approveSupplier: async () => {},
    // Purchase orders
    getPurchaseOrders: async () => [] as PurchaseOrder[],
    createPurchaseOrder: async () => ({} as PurchaseOrder),
    updatePurchaseOrderStatus: async () => ({} as PurchaseOrder),
    // Deliveries  
    getDeliveries: async () => [] as Delivery[],
    getTodaysDeliveries: async () => [] as Delivery[],
    getDeliveryPerformanceStats: async () => ({} as DeliveryPerformanceStats),
  };
};

// Re-export types
export type {
  SupplierSummary,
  CreateSupplierRequest,
  UpdateSupplierRequest,
  SupplierSearchParams,
  SupplierStatistics,
  PurchaseOrder,
  CreatePurchaseOrderRequest,
  PurchaseOrderSearchParams,
  PurchaseOrderStatistics,
  Delivery,
  DeliverySearchParams,
  DeliveryPerformanceStats
};