"""Sandbox for using the smolagents library."""

import base64
import os

from openinference.instrumentation.smolagents import SmolagentsInstrumentor
from opentelemetry.exporter.otlp.proto.http.trace_exporter import OTLPSpanExporter
from opentelemetry.sdk.trace import TracerProvider
from opentelemetry.sdk.trace.export import SimpleSpanProcessor


def setup_langfuse() -> None:
    """Setups Langfuse."""
    langfuse_auth = base64.b64encode(
        f"{os.getenv('LANGFUSE_PUBLIC_KEY')}:{os.getenv('LANGFUSE_SECRET_KEY')}".encode(),
    ).decode()

    os.environ["OTEL_EXPORTER_OTLP_ENDPOINT"] = (
        "https://cloud.langfuse.com/api/public/otel"  # EU data region
    )
    os.environ["OTEL_EXPORTER_OTLP_HEADERS"] = f"Authorization=Basic {langfuse_auth}"

    trace_provider = TracerProvider()
    trace_provider.add_span_processor(SimpleSpanProcessor(OTLPSpanExporter()))

    SmolagentsInstrumentor().instrument(tracer_provider=trace_provider)