#!/usr/bin/env ruby

require "net/http"
require "uri"
require "json"
require "base64"
require "optparse"

options = {}

option_parser = OptionParser.new do |opts|
  opts.banner = "Invalidate your bearer_token for twitter by including the following [options]. The bearer token can't be used afterwards anymore. Please create a new bearer-token if you want to activate the twitter feature again."

  opts.on("--key KEY", "consumer_key of your twitter application") do |key|
    options[:conkey] = key
  end

  opts.on("--secret SECRET", "consumer_secret of your twitter application") do |secret|
    options[:consec] = secret
  end

  opts.on("--token TOKEN", "bearer token for twitter") do |token|
    options[:token] = token
  end

end

option_parser.parse!

if options[:conkey].nil? || options[:consec].nil? || options[:token].nil? then
  puts option_parser
  exit
else
  consumer_key = options[:conkey]
  consumer_secret = options[:consec]
  bearer_token = options[:token]
end

uri = URI("https://api.twitter.com/oauth2/invalidate_token")
data = "access_token=#{bearer_token}"
cre   = Base64.strict_encode64("#{consumer_key}:#{consumer_secret}")
authorization_headers = { "Authorization" => "Basic #{cre}"}

Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
  response = http.request_post(uri, data, authorization_headers)
  puts JSON.parse(response.body)
end