module GSM

# File lib/dockergsm.rb, line 28
def self.console(id)
  # get game type
  data = `docker inspect -f '{{range .Config.Env}}{{println .}}{{end}}' #{id}`
  raise "server #{id} does not exist" unless $?.success?

  # run specific console
  image = data.split(/\n/).find { |e| /DOCKERGSM_IMAGE/ =~ e }[16..-1]
  config = YAML.load_file("#{__dir__}/games.yml")[image]
  puts "INFO: exit the console with #{config['console_esc']}"
  exec config['console'].sub!('ID', id)
end

# File lib/dockergsm.rb, line 5
def self.create(game, id, port, opt)
  # check if game valid
  configs = YAML.load_file("#{__dir__}/games.yml")
  raise "game '#{game}' is not yet supported" unless configs.key? game

  # get server configs
  config = configs[game]
  port ||= config['port_default']
  command = "docker run -e DOCKERGSM_IMAGE #{game} #{config['options']} " \
  "#{config['port_opt'].gsub!('PORT', port.to_s)} " \
  "--name #{id} #{config['image']} #{opt}"

  # create server
  `#{command}`
  raise 'failed to create server' unless $?.success?
end

# File lib/dockergsm.rb, line 55
def self.delete(id)
  # delete server
  `docker rm #{id}`
  raise 'failed to delete server' unless $?.success?
end

# File lib/dockergsm.rb, line 22
def self.start(id)
  # start server
  `docker start #{id}`
  raise 'failed to start server' unless $?.success?
end

# File lib/dockergsm.rb, line 40
def self.status(id)
  # get inspect data
  data = `docker inspect -f '{{.State.Status}}' #{id}`
  raise "server #{id} does not exist" unless $?.success?

  # output status
  puts "Status of #{id}: #{data}"
end

# File lib/dockergsm.rb, line 49
def self.stop(id)
  # stop server
  `docker stop #{id}`
  raise 'failed to stop server' unless $?.success?
end