module PushMessages

  def self.enabled?
    return true if Thread.current[:push_messages].instance_of?(Array)

    false
  end

  def self.init
    return true if enabled?

    Thread.current[:push_messages] = []
  end

  def self.send(data)
    if !PushMessages.enabled?
      Sessions.broadcast(
        data[:message],
        data[:type],
        data[:current_user_id],
      )
      return true
    end
    message = { type: 'broadcast', data: data }
    Thread.current[:push_messages].push message
  end

  def self.send_to(user_id, data)
    if !PushMessages.enabled?
      Sessions.send_to(user_id, data)
      return true
    end
    message = { type: 'send_to', user_id: user_id, data: data }
    Thread.current[:push_messages].push message
  end

  def self.finish
    return false if !enabled?

    Thread.current[:push_messages].each do |message|
      if message[:type] == 'send_to'
        Sessions.send_to(message[:user_id], message[:data])
      else
        Sessions.broadcast(
          message[:data][:message],
          message[:data][:type],
          message[:data][:current_user_id],
        )
      end
    end
    Thread.current[:push_messages] = nil
    true
  end

end