#!/usr/bin/env ruby

require 'rack'
require 'time'

class NavelApp
  def call(env)
    send(:"handle_#{env['REQUEST_METHOD'].downcase}", Rack::Request.new(env))
  end

  private

  def handle_get(request)
    case request.path_info
    when '/affirmation'
      return [200, {'Content-Type' => 'text/plain'}, ["yup\n"]]
    else
      handle_404(request)
    end
  end

  def handle_post(request)
    case request.path_info
    when '/dinner/new'
      body = request.body.read
      if body.split("\n").include?('soup=splitpea')
        return [201, {'Content-Type' => 'text/plain'}, ["soup is on!\n"]]
      else
        return [
          400,
          {'Content-Type' => 'text/plain'},
          ["invalid dinner:\n" << body << "\n"]
        ]
      end
    else
      handle_404(request)
    end
  end

  def handle_delete(request)
    case request.path_info
    when '/pestilence'
      return [204, {'Content-Type' => 'text/plain'}, ["orphanage saved!\n"]]
    else
      handle_404(client)
    end
  end

  def handle_404(client)
    [404, {'Content-Type' => 'text/plain'} ["nope\n"]]
  end
end

def main(argv = [])
  port = Integer(argv.first || 19080)
  $stdout.sync = true
  $stderr.sync = true
  Rack::Handler::Thin.run(NavelApp.new, Port: port)
end

if __FILE__ == $0
  main(ARGV)
end