module Ecoportal
  module API
    module Common
      module GraphQL
        class HttpClient < Common::Client
          class << self
            def base_url(host)
              "#{protocol(host)}://#{host}"
            end

            def protocol(host)
              host.match(/^localhost|^127\.0\.0\.1/)? 'http' : 'https'
            end
          end

          attr_reader :host, :version

          def initialize(
            api_key:          nil,
            version:          nil,
            host:             'live.ecoportal.com',
            logger:           ::Logger.new(IO::NULL),
            deep_logging:     false
          )
            super(
              api_key:          api_key,
              version:          version,
              host:             host,
              logger:           logger,
              deep_logging:     deep_logging
            )
          end

          def refresh_key(value)
            @api_key = value
          end

          # Creates a HTTP object adding the `X-ApiKey` or `X-ECOPORTAL-API-KEY` param to the header, depending on the API version.
          # @note It configures HTTP so it only allows body data in json format.
          # @return [HTTP] HTTP object.
          def base_request
            @base_request ||=
              case @version
              when NilClass
                HTTP.accept(:json)
              when 'v2'
                HTTP.headers('X-ECOPORTAL-API-KEY' => key_token).accept(:json)
              when 'graphql'
                HTTP.headers('Authorization' => "Bearer #{key_token}").accept(:json)
              else
                HTTP.headers('X-ApiKey' => key_token).accept(:json)
              end
          end

          # Full URl builder of the request
          # @param path [String] the tail that completes the url of the request.
          # @return [String] the final url.
          def url_for(path)
            version? ? "#{base_url_api}#{path}" : "#{base_url}#{path}"
          end

          private

          def version?
            !!@version
          end

          def protocol
            @protocol ||= self.class.protocol(host)
          end

          def base_url
            @base_url ||= self.class.base_url(host)
          end

          def base_url_api
            @base_url_api ||= "#{base_url}/api/#{version}"
          end

          def key_token
            if @api_key.nil? || @api_key.match(/\A\W*\z/)
              if (version == 'v0') && (key = ENV['ORG_INT_KEY'])
                key
              elsif !version.nil?
                puts 'Api-key missing!'
              end
            else
              @api_key
            end
          end
        end
      end
    end
  end
end