module KontoAPI

# File lib/kontoapi-ruby.rb, line 20
def api_key
  @@api_key
end

# File lib/kontoapi-ruby.rb, line 17
def api_key=(key)
  @@api_key = key
end

# File lib/kontoapi-ruby.rb, line 38
def bank_name(bank_code)
  return nil if bank_code.to_s.strip.empty?
  response = ask_for(:bankname, { :blz => bank_code.to_s })
  response['answer'].empty? ? nil : response['answer']
end

# File lib/kontoapi-ruby.rb, line 44
def iban_and_bic(ktn, blz)
  stripped_ktn = ktn.to_s.strip
  stripped_blz = blz.to_s.strip
  return nil if stripped_ktn.empty?
  return nil if stripped_blz.empty?
  response = ask_for(:iban_and_bic, { :ktn => stripped_ktn, :blz => stripped_blz })
  response['answer']
end

# File lib/kontoapi-ruby.rb, line 28
def timeout
  @@timeout || DEFAULT_TIMEOUT
end

# File lib/kontoapi-ruby.rb, line 25
def timeout=(new_timeout)
  @@timeout = new_timeout
end

# File lib/kontoapi-ruby.rb, line 32
def valid?(options={})
  return false  unless (!options[:ktn].to_s.strip.empty? && !options[:blz].to_s.strip.empty?) || !options[:iban].to_s.strip.empty? || !options[:bic].to_s.strip.empty?
  response = ask_for(:validity, options)
  response['answer'].eql?('yes')
end

# File lib/kontoapi-ruby.rb, line 57
def ask_for(what, options={})
  raise 'Please set your API Key first (KontoAPI::api_key = "<your_key>"). You can get one at https://www.kontoapi.de/' unless api_key
  url = const_get("#{what}_URL".upcase).dup
  options.merge!( :key => api_key )
  url.query_values = options
  body = get_url(url)
  parser = Yajl::Parser.new
  parser.parse(body)
end

# File lib/kontoapi-ruby.rb, line 67
def get_url(url)
  http = Net::HTTP.new(url.host, 443)
  http.use_ssl = true
  http.read_timeout = timeout
  if File.directory? RootCA
    http.ca_path = RootCA
    http.verify_mode = OpenSSL::SSL::VERIFY_PEER
    http.verify_depth = 5
  else
    http.verify_mode = OpenSSL::SSL::VERIFY_NONE
  end
  response = http.get url.request_uri, 'User-agent' => 'Konto API Ruby Client'
  case response
  when Net::HTTPSuccess, Net::HTTPOK
    response.body
  else
    response.error!
  end
end