require "net/http"
require "json"

module Lxc
  class Hetzner
    BASE_URI = URI("https://robot-ws.your-server.de")
    def initialize(user, password)
      @user = user
      @password = password
    end

    def get(path)
      resp = perform_request(Net::HTTP::Get.new(uri_for(path)))
      JSON.parse(resp.body)
    end

    def post(path, params={})
      req = Net::HTTP::Post.new(uri_for(path))
      req.set_form_data(params)
      resp = perform_request(req)
      JSON.parse(resp.body)
    end

    def put(path, params={})
      req = Net::HTTP::Put.new(uri_for(path))
      req.set_form_data(params)
      resp = perform_request(req)
      JSON.parse(resp.body)
    end

    def delete(path)
      perform_request(Net::HTTP::Delete.new(uri_for(path)))
    end

    private
    def uri_for(path)
      u = BASE_URI.clone
      u.path = path
      u
    end

    def perform_request(req)
      req.basic_auth(@user, @password)
      resp = Net::HTTP.start(BASE_URI.hostname,
                             BASE_URI.port,
                             use_ssl: true) do |http|
                               http.request(req)
                             end
                             if resp.code.start_with? "2"
                               return resp
                             else
                               raise StandardError.new("failed to perform request: #{resp.inspect}")
                             end
    end
  end
end