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from elasticapm.contrib.asyncio.traces import async_capture_span
from elasticapm.instrumentation.packages.asyncio.base import AsyncAbstractInstrumentedModule
from elasticapm.utils import get_host_from_url, sanitize_url


class HttpxAsyncClientInstrumentation(AsyncAbstractInstrumentedModule):
    name = "httpx"

    instrument_list = [("httpx", "AsyncClient.send")]

    async def call(self, module, method, wrapped, instance, args, kwargs):
        request = kwargs.get("request") or args[0]

        request_method = request.method.upper()
        url = str(request.url)
        name = "{request_method} {host}".format(request_method=request_method, host=get_host_from_url(url))
        url = sanitize_url(url)

        async with async_capture_span(
            name,
            span_type="external",
            span_subtype="http",
            extra={"http": {"url": url}},
            leaf=True,
        ) as span:
            response = await wrapped(*args, **kwargs)
            if response is not None:
                if span.context:
                    span.context["http"]["status_code"] = response.status_code
                span.set_success() if response.status_code < 400 else span.set_failure()
            return response
