module Session
  extend self

  @@http = nil
  @@cookie = nil

  def login(user: 'admin', pass: 'A1d2m3i4n5', server: 'localhost:443')

    host, port = server.split(':')

    @@http = Net::HTTP.new(host, port)
    @@http.use_ssl = true
    @@http.verify_mode = OpenSSL::SSL::VERIFY_NONE

    account = {user: user, pass: pass, version: '9999123101'}

    puts "Logging in as #{account[:user]}"
    resp = @@http.request_post('/auth/login', account.to_json, nil)
    raise "Cannot login " unless resp['Set-Cookie']

    @@cookie = resp['Set-Cookie']
    puts "Logged in"
  rescue Exception => e
    puts e.message
    exit!
  end

  def logout
    res = @@http.request_post('/auth/logout', nil, {'Cookie' => @@cookie})
    puts "Logged out" if res.kind_of? Net::HTTPSuccess
  rescue Exception => e
    puts e.message
    exit!
  end


  def post(uri, content, options: {json: true})
    content = content.to_json if options[:json]
    reply = @@http.request_post(uri, content, {'Cookie' => @@cookie})
    raise "Error from server: #{reply.body}" unless reply.kind_of? Net::HTTPOK

    reply.body = JSON.parse(reply.body) if options[:json] and reply.body.size > 2

    return reply.body
  rescue Exception => e
    puts e.message
    exit!
  end

  def get(uri, options: {json: true})
    reply = @@http.request_get(uri, {'Cookie' => @@cookie})
    raise "Error from server: #{reply.body}" unless reply.kind_of? Net::HTTPOK

    reply.body = JSON.parse(reply.body) if options[:json] and reply.body.size > 2

    return reply.body
  rescue Exception => e
    puts e.message
    exit!
  end

end


# global scope for DSL

def login(params)
  Session.login(params)
end

def logout
  Session.logout
end
.