const mongoose = require('mongoose');

const DeviceSchema = new mongoose.Schema({
  deviceId: { type: String, required: true, unique: true },
  name: { type: String, required: true },
  status: { type: String, enum: ['online', 'offline'], default: 'offline' },
  lastSeen: { type: Date }
});

module.exports = mongoose.model('Device', DeviceSchema);