tyrbo/lolsummoners

require 'curb'

class RiotApi
  class InvalidStatusCode < StandardError; end;

  attr_reader :region

  def initialize(region)
    @region = Region.new(region)
  end

  def by_name(names)
    escaped_names = Array(names).map { |n| CGI::escape(n) }.join(',')
    response = get("v1.4/summoner/by-name/#{escaped_names}")
    handle_response(response)
  end

  def by_summoner_id(summoner_ids)
    ids = Array(summoner_ids).join(',')
    response = get("v1.4/summoner/#{ids}")
    handle_response(response)
  end

  def league_for(summoner_ids)
    ids = Array(summoner_ids).join(',')
    response = get("v2.5/league/by-summoner/#{ids}/entry")
    handle_response(response)
  end

  def league_for_full(summoner_ids)
    ids = Array(summoner_ids).join(',')
    response = get("v2.5/league/by-summoner/#{ids}")
    handle_response(response)
  end

  private

  def handle_response(response)
    if !response.nil?
      if response.response_code == 200
        JSON.parse(response.body_str)
      elsif response.response_code == 404
        {}
      else
        raise InvalidStatusCode
      end
    else
      raise InvalidStatusCode
    end
  end

  def get(resource)
    address = build_url(resource)
    Curl.get(address)
  end

  def build_url(resource)
    "#{base_url}/#{region.key}/#{resource}?api_key=#{ENV['RIOT_API']}"
  end

  def base_url
    "#{region.base_url}/api/lol"
  end
end