#
# attribute_service.rb
# Crowdskout
#
# Copyright (c) 2016 Kyle Schutt. All rights reserved.

module Crowdskout
  module Services
    class BaseService
      class << self
        attr_accessor :api_key, :access_token

        protected

        # Return required headers for making an http request with Crowdskout
        # @param [String] content_type - The MIME type of the body of the request, default is 'application/json'
        # @return [Hash] - authorization headers
        def get_headers(content_type = 'application/json')
          {
            :content_type   => content_type,
            :accept         => 'application/json',
            :authorization  => "Bearer #{BaseService.access_token}",
            :user_agent     => "AppConnect Ruby SDK v#{Crowdskout::VERSION} (#{RUBY_DESCRIPTION})",
            :x_ctct_request_source => "sdk.ruby.#{Crowdskout::VERSION}"
          }
        end

        # Build a url from the base url and query parameters hash. Query parameters
        # should not be URL encoded because this method will handle that
        # @param [String] url - The base url
        # @param [Hash] params - A hash with query parameters
        # @return [String] - the url with query parameters hash 
        def build_url(url, params = nil)
          if params.respond_to? :each
            params.each do |key, value|
              # Convert dates to CC date format
              if value.respond_to? :iso8601
                params[key] = value.iso8601
              end

              if key.to_s == 'next' && value.match(/^.*?next=(.*)$/)
                params[key] = $1
              end
            end
          else
            params ||= {}
          end

          params['api_key'] = BaseService.api_key
          url += '?' + Util::Helpers.http_build_query(params)
        end

      end
    end
  end
end