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

/**
 * 仓库服务类
 * 封装了所有仓库相关的操作
 */
class WarehouseService {
  // 模拟仓库数据
  private warehouses: WarehouseInfo[];

  /**
   * 构造函数，初始化模拟仓库数据
   */
  constructor() {
    this.warehouses = [
      {
        id: 1,
        name: '瓦尔塔蓄电池昆明总店',
        address: '昆明市五华区二环西路599号',
        contact: '刘经理',
        phone: '0871-65123456',
        description: '瓦尔塔蓄电池云南总代理，提供全系列蓄电池产品',
        status: 'open',
        capacity: 2000, // 仓库容量（吨）
        longitude: 102.705745, 
        latitude: 25.055281
      },
      {
        id: 2,
        name: '瓦尔塔蓄电池盘龙区分店',
        address: '昆明市盘龙区北京路1188号',
        contact: '张经理',
        phone: '0871-65678901',
        description: '专业销售瓦尔塔汽车蓄电池，提供安装和售后服务',
        status: 'open',
        capacity: 800, // 仓库容量（吨）
        longitude: 102.728421, 
        latitude: 25.042498
      },
      {
        id: 3,
        name: '瓦尔塔蓄电池西山区分店',
        address: '昆明市西山区滇池路1234号',
        contact: '李经理',
        phone: '0871-65234567',
        description: '瓦尔塔蓄电池授权经销商，专业汽车电池解决方案',
        status: 'open',
        capacity: 600, // 仓库容量（吨）
        longitude: 102.689190, 
        latitude: 25.028234
      },
      {
        id: 4,
        name: '瓦尔塔蓄电池官渡区分店',
        address: '昆明市官渡区春城路456号',
        contact: '王经理',
        phone: '0871-65345678',
        description: '瓦尔塔蓄电池专卖店，各类车型电池齐全',
        status: 'open',
        capacity: 700, // 仓库容量（吨）
        longitude: 102.725745, 
        latitude: 25.025281
      },
      {
        id: 5,
        name: '瓦尔塔蓄电池呈贡区分店',
        address: '昆明市呈贡区春融街789号',
        contact: '赵经理',
        phone: '0871-65456789',
        description: '瓦尔塔蓄电池呈贡区授权经销商，提供专业安装服务',
        status: 'open',
        capacity: 500, // 仓库容量（吨）
        longitude: 102.788421, 
        latitude: 24.902498
      },
      {
        id: 6,
        name: '瓦尔塔蓄电池五华区服务中心',
        address: '昆明市五华区一二一大街200号',
        contact: '陈经理',
        phone: '0871-65567890',
        description: '瓦尔塔蓄电池专业售后服务中心，提供电池检测和更换',
        status: 'open',
        capacity: 400, // 仓库容量（吨）
        longitude: 102.722745, 
        latitude: 25.040281
      },
      {
        id: 7,
        name: '瓦尔塔蓄电池安宁市分店',
        address: '昆明市安宁市金方路300号',
        contact: '杨经理',
        phone: '0871-65678902',
        description: '瓦尔塔蓄电池安宁市授权经销商，各类车型电池销售',
        status: 'open',
        capacity: 300, // 仓库容量（吨）
        longitude: 102.458421, 
        latitude: 24.902498
      },
      {
        id: 8,
        name: '瓦尔塔蓄电池晋宁区分店',
        address: '昆明市晋宁区昆阳大街120号',
        contact: '黄经理',
        phone: '0871-65789012',
        description: '瓦尔塔蓄电池晋宁区销售点，提供汽车和电动车电池',
        status: 'open',
        capacity: 250, // 仓库容量（吨）
        longitude: 102.519190, 
        latitude: 24.688234
      },
      {
        id: 9,
        name: '瓦尔塔蓄电池宜良县分店',
        address: '昆明市宜良县匡远镇汇东路88号',
        contact: '吴经理',
        phone: '0871-65890123',
        description: '瓦尔塔蓄电池宜良县授权经销商，专业汽车电池服务',
        status: 'open',
        capacity: 200, // 仓库容量（吨）
        longitude: 103.115745, 
        latitude: 24.905281
      },
      {
        id: 10,
        name: '瓦尔塔蓄电池嵩明县分店',
        address: '昆明市嵩明县嵩阳镇玉明路66号',
        contact: '郑经理',
        phone: '0871-65901234',
        description: '瓦尔塔蓄电池嵩明县销售中心，各类蓄电池产品齐全',
        status: 'open',
        capacity: 180, // 仓库容量（吨）
        longitude: 103.048421, 
        latitude: 25.362498
      }
    ];
  }

  /**
   * 获取所有仓库信息（同步版本）
   */
  private getAllWarehousesSync(): WarehouseInfo[] {
    return [...this.warehouses];
  }

  /**
   * 根据ID获取仓库信息（同步版本）
   */
  private getWarehouseByIdSync(id: number): WarehouseInfo | undefined {
    return this.warehouses.find(warehouse => warehouse.id === id);
  }

  /**
   * 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[]> {
    if (isMockMode) {
      return this.getAllWarehousesSync();
    }
    return apiService.getWarehouses();
  }

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