const cloud = require('wx-server-sdk')
cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV })
const db = cloud.database()

exports.main = async (event, context) => {
  const { action } = event

  if (action === 'dashboard') {
    const deviceCount = await db.collection('bindings').where({ status: 'active' }).count()
    const userCount = await db.collection('users').count()
    const treatmentCount = await db.collection('treatment_records').count()
    return {
      code: 0,
      data: {
        device_count: deviceCount.total,
        user_count: userCount.total,
        treatment_count: treatmentCount.total
      }
    }
  }

  return { code: -1, message: '未知操作' }
}