class Fanforce::Api::Response
  attr_reader :curl_command, :requested_url, :requested_params

  def self.process(response, request, requested_url, requested_params)
    raise Fanforce::Api::ServerError.new(response, request, requested_url, requested_params) if response.code > 201
    begin  response_hash = Fanforce::Utils.decode_json(response)
    rescue Exception => e; raise Fanforce::Api::DecodingError.new(e, response, request, requested_url, requested_params) end
    if response_hash[:results]
      Fanforce::Api::Results.new(response_hash, response, request, requested_url, requested_params)
    else
      Fanforce::Api::Result.new(response_hash, response, request, requested_url, requested_params)
    end
  end

end

class Fanforce::Api::Result < Hash
  attr_reader :requested_url, :requested_params

  def initialize(response_hash, response, request, requested_url, requested_params)
    @response = response
    @request = request
    @requested_url = requested_url
    @requested_params = requested_params
    super(response_hash)
  end

  def data
    self
  end
  alias result data

  def curl_command
    @curl_command ||= Fanforce::Utils.curl_command(@request.method, @requested_url, @requested_params)
  end

  def body;
    @response.to_s
  end

  def current_results; 1   end
  def total_results;   1   end
  def current_page;    1   end
  def total_pages;     1   end
  def prev_url;        nil end
  def next_url;        nil end
  def code; @response.code end
end

class Fanforce::Api::Results < Array
  attr_reader :requested_url, :requested_params

  def initialize(response_hash, response, request, requested_url, requested_params)
    @response = response
    @request = request
    @requested_url = requested_url
    @requested_params = requested_params
    super(response_hash[:results])
  end

  def data
    self
  end
  alias results data

  def curl_command
    @curl_command ||= Fanforce::Utils.curl_command(@request.method, @requested_url, @requested_params)
  end

  def body;
    @response.to_s
  end

  def current_results
    @current_results ||= @response_hash[:current_results]
  end

  def total_results;
    @total_results ||= @response_hash[:total_results]
  end

  def current_page;
    @current_page ||= @response_hash[:current_page]
  end

  def total_pages;
    @total_pages ||= @response_hash[:total_pages]
  end

  def prev_url;
    @prev_url ||= if request.method == :get and current_page > 1
       "#{@requested_url}?#{Fanforce::Utils.to_query_string(@requested_params.merge(page: current_page-1))}"
    end
  end

  def next_url;
    @next_url ||= if @request.method == :get and total_pages > current_page
      "#{@requested_url}?#{Fanforce::Utils.to_query_string(@requested_params.merge(page: current_page+1))}"
    end
  end
  def code; @response.code end

end