class Geocoder::Lookup::Yandex

def base_query_url(query)
  "#{protocol}://geocode-maps.yandex.ru/1.x/?"
end

def map_link_url(coordinates)
  "http://maps.yandex.ru/?ll=#{coordinates.reverse.join(',')}"
end

def name
  "Yandex"
end

def query_url_params(query)
  if query.reverse_geocode?
    q = query.coordinates.reverse.join(",")
  else
    q = query.sanitized_text
  end
  params = {
    :geocode => q,
    :format => "json",
    :lang => "#{query.language || configuration.language}", # supports ru, uk, be, default -> ru
    :apikey => configuration.api_key
  }
  unless (bounds = query.options[:bounds]).nil?
    params[:bbox] = bounds.map{ |point| "%f,%f" % point }.join('~')
  end
  params.merge(super)
end

def results(query)
  return [] unless doc = fetch_data(query)
  if [400, 403].include? doc['statusCode']
    if doc['statusCode'] == 403 and doc['message'] == 'Invalid key'
      raise_error(Geocoder::InvalidApiKey) || Geocoder.log(:warn, "Invalid API key.")
    else
      Geocoder.log(:warn, "Yandex Geocoding API error: #{doc['statusCode']} (#{doc['message']}).")
    end
    return []
  end
  if doc = doc['response']['GeoObjectCollection']
    return doc['featureMember'].to_a
  else
    Geocoder.log(:warn, "Yandex Geocoding API error: unexpected response format.")
    return []
  end
end

def supported_protocols
  [:https]
end