class Faraday::Adapter::NetHttpPersistent

def configure_ssl(http, ssl)
  return unless ssl
  http_set(http, :verify_mode, ssl_verify_mode(ssl))
  http_set(http, :cert_store, ssl_cert_store(ssl))
  SSL_CONFIGURATIONS
    .select { |_, key| ssl[key] }
    .each { |target, key| http_set(http, target, ssl[key]) }
end

def http_set(http, attr, value)
  http.send("#{attr}=", value) if http.send(attr) != value
end

def net_http_connection(env)
  @cached_connection ||=
    if Net::HTTP::Persistent.instance_method(:initialize)
                            .parameters.first == %i[key name]
      options = { name: 'Faraday' }
      if @connection_options.key?(:pool_size)
        options[:pool_size] = @connection_options[:pool_size]
      end
      Net::HTTP::Persistent.new(**options)
    else
      Net::HTTP::Persistent.new('Faraday')
    end
  proxy_uri = proxy_uri(env)
  if @cached_connection.proxy_uri != proxy_uri
    @cached_connection.proxy = proxy_uri
  end
  @cached_connection
end

def perform_request(http, env)
  http.request env[:url], create_request(env)
rescue Errno::ETIMEDOUT => e
  raise Faraday::TimeoutError, e
rescue Net::HTTP::Persistent::Error => e
  raise Faraday::TimeoutError, e if e.message.include? 'Timeout'
  if e.message.include? 'connection refused'
    raise Faraday::ConnectionFailed, e
  end
  raise
end

def proxy_uri(env)
  proxy_uri = nil
  if (proxy = env[:request][:proxy])
    proxy_uri = if proxy[:uri].is_a?(::URI::HTTP)
                  proxy[:uri].dup
                else
                  ::URI.parse(proxy[:uri].to_s)
                end
    proxy_uri.user = proxy_uri.password = nil
    # awful patch for net-http-persistent 2.8
    # not unescaping user/password
    if proxy[:user]
      (class << proxy_uri; self; end).class_eval do
        define_method(:user) { proxy[:user] }
        define_method(:password) { proxy[:password] }
      end
    end
  end
  proxy_uri
end