import { Request, Response } from 'express'
import { User } from '../database/models/User'
import { Equipment } from '../database/models/Equipment'
import { sequelize } from '../database'
import { networkError } from './Error'
import { Site } from '../database/models/Site'
import { EquipmentData } from '../database/models/EquipmentData'
import { sendUpdateRequest, sendAlarm } from '../firebase'

class EquipmentController {
  async getEquipments(req: Request, res: Response) {
    try {
      const [equipments] = await sequelize.query(
        `SELECT equipment_data.*, equipments.id AS equipment_id, equipments.name AS equipment_name, equipments.site_id, equipments.current_user_id, users.name AS user_name
         FROM equipment_data
         JOIN equipments ON aid_id = equipments.id
         LEFT JOIN users ON equipments.current_user_id = users.id
         WHERE equipment_data.id IN
           (SELECT max(id) FROM equipment_data GROUP BY aid_id)
         `
      )

      const sites = await Site.findAll()

      res.json({ equipments, sites })
    } catch (error) {
      networkError(res, JSON.stringify(error))
    }
  }

  async assignUserToEquipment(req: Request, res: Response) {
    try {
      const { user_id: userId, equipment_id: equipmentId } = req.body
      const user = await User.findByPk(userId)
      const equipment = await Equipment.findByPk(equipmentId)

      if (!user) {
        res.status(404).json({
          message: 'User not found'
        })
        return
      }

      if (!equipment) {
        res.status(400).json({
          message: 'Equipment not found'
        })
        return
      }

      await equipment.update({ current_user_id: user.id })
      res.status(200).json({ message: 'ok' })
    } catch (error) {
      networkError(res, JSON.stringify(error))
    }
  }

  async receiveEquipmentData(req: Request, res: Response) {
    const Status: { [index: string]: Number } = {
      Offline: 0,
      Normal: 1,
      Rest: 2,
      SOS: 3
    }

    var statusId = Status[req.body.Status] ? Status[req.body.Status] : 1

    const equipment = await Equipment.findByPk(req.body.AidID)

    if (req.body.Alarm.length > 0) {
      sendAlarm(equipment ? equipment.name : `輔具ID ${req.body.AidID}`, req.body.Alarm[0])
    }

    await EquipmentData.create({
      ap_id: req.body.APID,
      aid_id: req.body.AidID,
      beacon_id: req.body.Baecon,
      status: statusId,
      battery: req.body.Battery,
      latitude: req.body.GPS_Lat,
      longitude: req.body.GPS_Lon,
      alarm: JSON.stringify(req.body.Alarm)
    })

    sendUpdateRequest()

    res.json({ message: 'ok' })
  }
}

export default EquipmentController