class Geocoder::Lookup::Amap

def base_query_url(query)
  path = query.reverse_geocode? ? 'regeo' : 'geo'
  "http://restapi.amap.com/v3/geocode/#{path}?"
end

def name
  "AMap"
end

def query_url_params(query)
  params = {
    :key => configuration.api_key,
    :output => "json"
  }
  if query.reverse_geocode?
    params[:location] = revert_coordinates(query.text)
    params[:extensions] = "all"
    params[:coordsys] = "gps"
  else
    params[:address] = query.sanitized_text
  end
  params.merge(super)
end

def required_api_key_parts
  ["key"]
end

def results(query, reverse = false)
  return [] unless doc = fetch_data(query)
  case [doc['status'], doc['info']]
  when ['1', 'OK']
    return doc['regeocodes'] unless doc['regeocodes'].blank?
    return [doc['regeocode']] unless doc['regeocode'].blank?
    return doc['geocodes'] unless doc['geocodes'].blank?
  when ['0', 'INVALID_USER_KEY']
    raise_error(Geocoder::InvalidApiKey, "invalid api key") ||
      Geocoder.log(:warn, "#{self.name} Geocoding API error: invalid api key.")
  else
    raise_error(Geocoder::Error, "server error.") ||
      Geocoder.log(:warn, "#{self.name} Geocoding API error: server error - [#{doc['info']}]")
  end
  return []
end

def revert_coordinates(text)
  [text[1],text[0]].join(",")
end

def supported_protocols
  [:http]
end