const { v4 } = require('uuid')
const crud = require('./crud')

const connections = {}

const subscribe = (ws, sid) => {
  const id = v4()
  connections[id] = {
    connection: ws,
    streamid: sid,
  }

  ws.send(JSON.stringify({
    event: 'info',
    data: 'Welcome to APL Nuke v1.1.0!',
  }))

  sendInitial(id)

  ws.on('close', () => {
    delete connections[id]
  })
}

const cModel = {
  'events': 'event',
  'matches': 'matches',
  'casters': 'casters',
  'hosts': 'hosts',
}

const recvUpdate = async (channel, data) => {
  Object.keys(connections).forEach((k) => {
    sendInitial(k)
  })
}

const sendInitial = async (id) => {
  const c = connections[id]
  if (c.streamid !== null) {
    const stream = await crud['streams'].getById(c.streamid)
    c.connection.send(JSON.stringify({
      event: 'streams:read',
      data: stream,
    }))
  }
}

module.exports = {
  subscribe,
  recvUpdate,
}