module Rmd
  NAME = 'autoclient/ringmd'

  class ServerNotFound < StandardError; end

  class DeployService
    def self.deploy(server)
      validate(server)
      system("curl -s #{url(server)}/deploy/#{token(server)}")
    end

    def self.restart(server)
      validate(server)
      command = %{echo "cd #{NAME} && sh deploy.sh" | ssh #{master(server)} -p 2200}
      system(command)
    end

    private

    def self.validate(server)
      fail(ServerNotFound, 'Server not found in the creds file') unless exists?(server)
    end

    def self.exists?(server)
      Server.all.include?(server)
    end

    def self.url(server)
      Server.get(server).url
    end

    def self.token(server)
      Server.get(server).token
    end

    def self.master(server)
      Server.get(server).master
    end
  end
end