const { DataTypes } = require('sequelize');
const { sequelize } = require('../db');
const Device = require('./Device');

const NetworkCard = sequelize.define('NetworkCard', {
  nicId: {
    type: DataTypes.STRING,
    primaryKey: true,
    allowNull: false,
    unique: true
  },
  deviceId: {
    type: DataTypes.STRING,
    allowNull: false,
    references: {
      model: 'devices',
      key: 'deviceId'
    }
  },
  name: {
    type: DataTypes.STRING,
    allowNull: false,
    comment: '网卡名称，如"网卡1"、"eth0"、"Primary NIC"'
  },
  description: {
    type: DataTypes.TEXT,
    allowNull: true,
    comment: '网卡描述信息'
  },
  slotNumber: {
    type: DataTypes.INTEGER,
    allowNull: true,
    comment: '插槽编号'
  },
  portCount: {
    type: DataTypes.INTEGER,
    defaultValue: 0,
    comment: '端口数量'
  },
  model: {
    type: DataTypes.STRING,
    allowNull: true,
    comment: '网卡型号'
  },
  manufacturer: {
    type: DataTypes.STRING,
    allowNull: true,
    comment: '制造商'
  },
  status: {
    type: DataTypes.ENUM('normal', 'warning', 'fault', 'offline'),
    defaultValue: 'normal',
    allowNull: false,
    comment: '网卡状态'
  }
}, {
  tableName: 'network_cards',
  timestamps: true,
  indexes: [
    { fields: ['deviceId'] },
    { fields: ['slotNumber'] },
    { unique: true, fields: ['deviceId', 'name'] }
  ]
});

NetworkCard.belongsTo(Device, { foreignKey: 'deviceId', as: 'device' });
Device.hasMany(NetworkCard, { foreignKey: 'deviceId', as: 'networkCards' });

module.exports = NetworkCard;