// MES系统服务类
class MesService {
  constructor() {
    this.host = ''
    this.port = 8080
    this.token = ''
    this.connected = false
    this.syncInProgress = false
  }

  // 连接MES系统
  async connect(config) {
    try {
      this.host = config.host
      this.port = config.port
      this.token = config.token

      // TODO: 实际的MES系统连接逻辑
      // 这里模拟连接过程
      await new Promise(resolve => setTimeout(resolve, 1000))
      
      this.connected = true
      return { success: true, message: '连接成功' }
    } catch (error) {
      this.connected = false
      return { success: false, message: error.message || '连接失败' }
    }
  }

  // 断开连接
  async disconnect() {
    try {
      // TODO: 实际的断开连接逻辑
      await new Promise(resolve => setTimeout(resolve, 500))
      
      this.connected = false
      return { success: true, message: '已断开连接' }
    } catch (error) {
      return { success: false, message: error.message || '断开连接失败' }
    }
  }

  // 同步数据
  async syncData(config) {
    if (!this.connected) {
      return { success: false, message: 'MES系统未连接' }
    }

    if (this.syncInProgress) {
      return { success: false, message: '同步正在进行中' }
    }

    try {
      this.syncInProgress = true

      // TODO: 实际的数据同步逻辑
      // 这里模拟同步过程
      if (config.orders) {
        await this.syncOrders()
      }
      if (config.quality) {
        await this.syncQualityData()
      }
      if (config.device) {
        await this.syncDeviceStatus()
      }

      return { success: true, message: '同步完成' }
    } catch (error) {
      return { success: false, message: error.message || '同步失败' }
    } finally {
      this.syncInProgress = false
    }
  }

  // 同步生产订单
  async syncOrders() {
    await new Promise(resolve => setTimeout(resolve, 1000))
    // TODO: 实现实际的订单同步逻辑
  }

  // 同步质检数据
  async syncQualityData() {
    await new Promise(resolve => setTimeout(resolve, 1000))
    // TODO: 实现实际的质检数据同步逻辑
  }

  // 同步设备状态
  async syncDeviceStatus() {
    await new Promise(resolve => setTimeout(resolve, 1000))
    // TODO: 实现实际的设备状态同步逻辑
  }

  // 导入配置
  async importConfig(config) {
    try {
      // TODO: 实现配置导入逻辑
      return { success: true, message: '配置导入成功' }
    } catch (error) {
      return { success: false, message: error.message || '配置导入失败' }
    }
  }

  // 导出配置
  async exportConfig() {
    try {
      // TODO: 实现配置导出逻辑
      const config = {
        host: this.host,
        port: this.port,
        token: this.token
      }
      return { success: true, data: config, message: '配置导出成功' }
    } catch (error) {
      return { success: false, message: error.message || '配置导出失败' }
    }
  }
}

// 导出MES服务实例
export const mesService = new MesService()