module Rmd
  NAME = 'autoclient/ringmd'
  TYPE = ['access', 'error', 'realtime', 'web']

  class ServerNotFound < StandardError; end

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

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

    def self.logs(server)
      validate(server)
      command = %{echo "cd #{NAME} && DOCKER_HOST=:2375 docker-compose logs" | ssh #{master(server)} -p 2200}
      system_cmd(command)
    end

    def self.nginx(server, type)
      validate(server)
      validate_type(type)
      command = %{echo "tailf nginx/log/#{type}" | ssh #{nginx(server)}}
      system_cmd(command)
    end

    def self.console(server)
      validate(server)
      command = %{echo "cd #{NAME} && DOCKER_HOST=:2375 docker exec -it ringmd_new_web_1 rails c" | ssh #{master(server)} -p 2200}
      system_cmd(command)
    end

    private

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

    def self.validate_type(type)
      fail(TypeNotFound, "Type is not in #{TYPE}") unless TYPE.include?(type)
    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

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

    def self.system_cmd(cmd)
      $stdout.puts(cmd)
      system(cmd)
    end
  end
end