const VoteKick = module.exports = {
  command: '!votekick',
  active: {}
}

VoteKick.manager = function * (message, command) {
  if (!(message.sender in VoteKick.active))
    VoteKick.active[message.sender] = {}

  const parsed = VoteKick.parser(command)
  const issuer = yield global.NameCache.get(message.from)
  const target = yield global.NameCache.get(parsed.target)

  if (parsed.vote !== undefined)
    VoteKick.voteUser(message.sender, issuer, target, parsed.vote)
  else
    VoteKick.createVote(message.sender, issuer, target)
}

VoteKick.createVote = function (conference, issuer, target) {
  if (target.id in VoteKick.active[conference])
    return global.VK.api.messages.send({
      peer_id: conference,
      message: `Голосование за исключение [id${target.id}|${target.first_name} ${target.last_name}] уже началось`
    })

  VoteKick.active[conference][target.id] = {yes: [issuer.id], no: []}
  global.VK.api.messages.send({
    peer_id: conference,
    message: `[id${issuer.id}|${issuer.first_name} ${issuer.last_name}] начал голосование за исключение [id${target.id}|${target.first_name} ${target.last_name}]

    Проголосуйте с помощью ${VoteKick.command} @id${target.id} yes/no`
  })
}

VoteKick.voteUser = function (conference, issuer, target, vote = false) {
  if (!(target.id in VoteKick.active[conference]))
    return global.VK.api.messages.send({
      peer_id: conference,
      message: `Голосование за исключение [id${target.id}|${target.first_name} ${target.last_name}] не начиналось`
    })

  if (VoteKick.active[conference][target.id]['yes'].includes(issuer.id))
    return global.VK.api.messages.send({
      peer_id: conference,
      message: `Вы уже проголосовали за исключение [id${target.id}|${target.first_name} ${target.last_name}]`
    })

  if (VoteKick.active[conference][target.id]['yes'].includes(issuer.id))
    return global.VK.api.messages.send({
      peer_id: conference,
      message: `Вы уже проголосовали против исключения [id${target.id}|${target.first_name} ${target.last_name}]`
    })

  if (vote) {
    VoteKick.active[conference][target.id]['yes'].push(issuer.id)
    return global.VK.api.messages.send({
      peer_id: conference,
      message: `За исключение [id${target.id}|${target.first_name} ${target.last_name}] проголосовало ${VoteKick.active[target.id].yes.length} из 15 человек`
    })
  } else {
    VoteKick.active[conference][target.id]['no'].push(issuer.id)
    return global.VK.api.messages.send({
      peer_id: conference,
      message: `Против исключения [id${target.id}|${target.first_name} ${target.last_name}] проголосовало ${VoteKick.active[target.id].no.length} из 15 человек`
    })
  }

}

VoteKick.parser = function (command) {
  let toRet = {}
  if (command[0] != VoteKick.command)
    return false
  if (command[1] === undefined)
    return false

  const regexp = command[1].match(/\[id(\d+)\|.+\]/)
  if (regexp === null || regexp[1] === undefined)
    return false
  toRet["target"] = regexp[1]

  if (command[2] !== undefined) {
    if (command[2] == 'yes')
      toRet["vote"] = true
    if (command[2] == 'no')
      toRet["vote"] = false
  }

  return toRet
}