class Gatecoin

# File lib/nl-gatecoin.rb, line 12
def initialize(options={})
    @apisecret = ENV['gc_private_key']
    @apikey = ENV['gc_public_key']
end

# File lib/nl-gatecoin.rb, line 17
def method_missing(method_sym, *arguments, &block)
    convert_undercores_to_slashes = method_sym.to_s.gsub('_','/')
    method_type = convert_undercores_to_slashes.split('/')[0]
    convert_undercores_to_slashes = convert_undercores_to_slashes.gsub(method_type + '/','')

    nonce = (Time.now).to_f.to_s # generate a new one each time
    if method_type.downcase == 'get' then
      content_type = ''
    elsif method_type.downcase == 'post'
      content_type = 'multipart/form-data'
    elsif method_type.downcase == 'pubget'
      content_type = ''
    else
      # No content type
      content_type = ''
    end
    @parameters = ''
    if arguments.length == 1 then
      if arguments[0].kind_of? Hash
        arguments[0].each{|key, value|
          if @parameters.length > 0 then
            @parameters = "#{@parameters}&#{key.capitalize}=#{CGI::escape(value)}"
          else
            @parameters = "#{key}=#{CGI::escape(value)}"
          end
        }
      end
    end
    if @parameters.length > 0 then
      convert_undercores_to_slashes = "#{convert_undercores_to_slashes}?#{@parameters}"
    end
    encode_message = (method_type.upcase + 'https://www.gatecoin.com/api/' + convert_undercores_to_slashes + content_type + nonce).downcase
    if @apisecret.length > 0 and @apikey.length > 0 then
      ssl_sign = OpenSSL::HMAC.digest('sha256', @apisecret, encode_message)
      ssl_sign_encoded = Base64.encode64(ssl_sign).to_s.gsub("\n",'')
      if method_type.downcase == "get" then
        self.class.get('/' + convert_undercores_to_slashes, :headers => {'Accept' => 'application/json', 'Content-Type' => 'application/json', 'API_PUBLIC_KEY' => @apikey , 'API_REQUEST_SIGNATURE' => ssl_sign_encoded, 'API_REQUEST_DATE' => nonce}).to_json
      elsif method_type.downcase == "post"
        self.class.post('/' + convert_undercores_to_slashes, :body => @parameters.to_s, :headers => {'Accept' => 'application/json', 'Content-Type' => content_type, 'API_PUBLIC_KEY' => @apikey , 'API_REQUEST_SIGNATURE' => ssl_sign_encoded, 'API_REQUEST_DATE' => nonce}).to_json
      elsif method_type.downcase == "pubget"
        self.class.get('/Public/' + convert_undercores_to_slashes, :headers => {'Accept' => 'application/json', 'Content-Type' => 'application/json'}).to_json
      else
        "Unsupported method"
      end
    else
      "Invalid API key and secret"
    end
end