module Warden
  module Oauthed
    module Oauth
      class Proxy
        attr_accessor :client_id, :secret, :scopes, :oauth_domain, :callback_url
        def initialize(client_id, secret, scopes, oauth_domain, callback_url)
          @client_id = client_id
          @secret = secret
          @scopes = scopes
          @oauth_domain = oauth_domain
          @callback_url = callback_url
        end

        def ssl_options
          { version: :TLSv1 }
        end

        def client
          @client ||= OAuth2::Client.new(
            @client_id,
            @secret,
            ssl: ssl_options,
            site: oauth_domain,
            authorize_url: '/oauth/authorize')
        end

        def api_for(code)
          client.auth_code.get_token(
            code,
            redirect_uri: callback_url
          )
        end

        def authorize_url
          client.auth_code.authorize_url(
            scope:        scopes,
            redirect_uri: callback_url
          )
        end
      end
    end
  end
end