import os

from opentelemetry import trace
from opentelemetry.exporter.otlp.proto.http.trace_exporter import OTLPSpanExporter
from opentelemetry.sdk.resources import Resource
from opentelemetry.sdk.trace import TracerProvider
from opentelemetry.sdk.trace.export import BatchSpanProcessor

service_name = os.getenv("OTEL_SERVICE_NAME", "checkout-api")

resource = Resource.create(
    {
        "service.name": service_name,
        "service.version": "1.0.0",
        "deployment.environment": "production",
    }
)
provider = TracerProvider(resource=resource)
provider.add_span_processor(BatchSpanProcessor(OTLPSpanExporter()))
trace.set_tracer_provider(provider)

tracer = trace.get_tracer("checkout-smoke")

with tracer.start_as_current_span("GET /checkout") as span:
    span.set_attribute("http.request.method", "GET")
    span.set_attribute("url.path", "/checkout")
    span.set_attribute("http.response.status_code", 200)
    context = span.get_span_context()
    trace_id = f"{context.trace_id:032x}"
    span_id = f"{context.span_id:016x}"

provider.shutdown()

print(f"sent trace_id={trace_id} span_id={span_id} service.name={service_name}")