import os

import llama_index.core

def init_observability():

    PHOENIX_API_KEY = os.getenv("PHOENIX_API_KEY")
    if not PHOENIX_API_KEY:
        raise ValueError("PHOENIX_API_KEY environment variable is not set")
    os.environ["OTEL_EXPORTER_OTLP_HEADERS"] = f"api_key={PHOENIX_API_KEY}"
    PHOENIX_URL = os.getenv("PHOENIX_URL")
    llama_index.core.set_global_handler(
        "arize_phoenix", endpoint=PHOENIX_URL, eval_params={}
    )

    #debugHandle=[]
    # llama_debug = LlamaDebugHandler(print_trace_on_end=True)
    # debugHandle.append(llama_debug)
    # callback_manager = CallbackManager(debugHandle)
    # settings.Settings.callback_manager = callback_manager