class Sashiko::Adapters::Faraday::Middleware

# File lib/sashiko/adapters/faraday.rb, line 18
def initialize(app, tracer: nil)
  @app    = app
  @tracer = tracer
end

# File lib/sashiko/adapters/faraday.rb, line 23
def call(env)
  method = env.method.to_s.upcase
  url    = env.url
  attrs = {
    "http.request.method" => method,
    "url.full"            => url.to_s,
    "server.address"      => url.host,
    "server.port"         => url.port,
  }

  # OTel HTTP semconv (stable): client span name is "{METHOD}",
  # e.g. "GET". The previous "HTTP GET" prefix was non-standard.
  (@tracer || Sashiko.tracer).in_span(method, attributes: attrs, kind: :client) do |span|
    response = @app.call(env)
    span.set_attribute("http.response.status_code", response.status)

    case response.status
    in 100..399 # ok, no-op
    in Integer => code
      span.set_attribute("error.type", code.to_s)
      span.status = OpenTelemetry::Trace::Status.error("HTTP #{code}")
    end

    response
  rescue => e
    span.set_attribute("error.type", e.class.name)
    span.record_exception(e)
    span.status = OpenTelemetry::Trace::Status.error(e.message)
    raise
  end
end