import { Order } from '../types';
import apiService from './apiService';

class OrderService {

  /**
   * 构造函数
   */
  constructor() {
    // 不再使用模拟数据
  }

  /**
   * 获取所有待处理订单
   */
  async getPendingOrders(): Promise<Order[]> {
    return apiService.getPendingOrders();
  }

  /**
   * 根据ID获取订单
   */
  async getOrderById(id: number): Promise<Order | null> {
    return apiService.getOrderById(id);
  }

  /**
   * 指派订单给货运人员
   * @param orderId 订单ID
   * @param deliveryPersonId 货运人员ID
   * @returns 指派结果，包含success状态和可选消息
   */
  async assignOrder(orderId: number, deliveryPersonId: number): Promise<{ success: boolean; message?: string }> {
    // 真实环境中调用API
    try {
      return await apiService.assignOrder(orderId, deliveryPersonId);
    } catch (error) {
      console.error('指派订单失败:', error);
      return { success: false, message: error instanceof Error ? error.message : '指派失败' };
    }
  }

  /**
   * 更新订单状态
   */
  async updateOrderStatus(orderId: number, status: Order['status']): Promise<{ success: boolean; message?: string }> {
    return apiService.updateOrderStatus(orderId, status).then(result => ({
      success: result.success,
      message: result.message || '状态更新成功'
    }));
  }

  /**
   * 创建新订单
   */
  async createOrder(orderData: Omit<Order, 'id' | 'createTime'>): Promise<Order> {
    return apiService.createOrder(orderData);
  }

  /**
   * 获取货运人员的订单列表
   */
  async getDeliveryPersonOrders(deliveryPersonId: number): Promise<Order[]> {
    return apiService.getDeliveryPersonOrders(deliveryPersonId);
  }

  /**
   * 删除订单
   * @param orderId 订单ID
   */
  async deleteOrder(orderId: number): Promise<{ success: boolean; message?: string }> {
    try {
      const result = await apiService.deleteOrder(orderId);
      return { success: true, message: '删除成功' };
    } catch (error) {
      console.error('删除订单失败:', error);
      return { success: false, message: error instanceof Error ? error.message : '删除失败' };
    }
  }
}

export default new OrderService();