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

/**
 * 仓库服务类
 * 封装了所有仓库相关的操作
 */
class WarehouseService {
  /**
   * 构造函数
   */
  constructor() {
    // 真实API模式下不需要模拟数据
  }



  /**
   * 获取仓库状态的中文描述
   */
  getWarehouseStatusText(status: WarehouseInfo['status']): string {
    const statusMap = {
      'open': '营业中',
      'closed': '已关闭',
      'maintenance': '维护中'
    };
    return statusMap[status || 'open'] || '未知状态';
  }

  /**
   * 获取所有仓库信息
   */
  async getWarehouses(): Promise<WarehouseInfo[]> {
    return apiService.getWarehouses();
  }

  /**
   * 根据ID获取仓库信息
   */
  async getWarehouseById(id: number): Promise<WarehouseInfo | null> {
    return apiService.getWarehouseById(id);
  }

  /**
   * 创建新仓库
   */
  async createWarehouse(warehouseData: Partial<WarehouseInfo>): Promise<WarehouseInfo> {
    try {
      // 模拟API请求延迟
      await new Promise(resolve => setTimeout(resolve, 600));
      console.log('创建新仓库:', warehouseData);
      // 实际应用中这里应该调用后端API
      // 这里我们创建一个模拟的仓库对象返回
      const newWarehouse: WarehouseInfo = {
        id: Date.now(), // 使用时间戳作为临时ID
        name: warehouseData.name || '新建仓库',
        address: warehouseData.address || '',
        contact: warehouseData.contact,
        phone: warehouseData.phone,
        description: warehouseData.description,
        status: 'open',
        capacity: warehouseData.capacity || 500,
        longitude: warehouseData.longitude || 0,
        latitude: warehouseData.latitude || 0
      };
      return newWarehouse;
    } catch (error) {
      console.error('创建仓库失败:', error);
      throw new Error('创建仓库失败');
    }
  }

  /**
   * 删除仓库
   */
  async deleteWarehouse(warehouseId: number): Promise<boolean> {
    try {
      // 模拟API请求延迟
      await new Promise(resolve => setTimeout(resolve, 400));
      console.log(`删除仓库 ${warehouseId}`);
      // 实际应用中这里应该调用后端API
      return true;
    } catch (error) {
      console.error('删除仓库失败:', error);
      throw new Error('删除仓库失败');
    }
  }
}

// 导出单例实例
export default new WarehouseService();