import sys

import os

sys.path.insert(0, os.path.abspath("../.."))

import asyncio
import litellm
from litellm._logging import verbose_logger
import logging
import time
import pytest


def test_otel_logging_async():
    # this tests time added to make otel logging calls, vs just acompletion calls
    try:

        os.environ["OTEL_EXPORTER"] = "otlp_http"
        os.environ["OTEL_ENDPOINT"] = "http://0.0.0.0:8090/traces"
        os.environ["OTEL_HEADERS"] = "Authorization=K0BSwd"

        # Make 5 calls with an empty success_callback
        litellm.success_callback = []
        litellm.callbacks = []
        litellm._async_success_callback = []
        litellm._async_failure_callback = []
        litellm._async_failure_callback = []
        litellm.failure_callback = []
        start_time_empty_callback = asyncio.run(make_async_calls())
        print("done with no callback test")

        print("starting otel test")
        # Make 5 calls with success_callback set to "otel"
        litellm.callbacks = ["otel"]
        start_time_otel = asyncio.run(make_async_calls())
        print("done with otel test")

        # Compare the time for both scenarios
        print(f"Time taken with success_callback='otel': {start_time_otel}")
        print(f"Time taken with empty success_callback: {start_time_empty_callback}")

        # Calculate the percentage difference
        percentage_diff = (
            abs(start_time_otel - start_time_empty_callback)
            / start_time_empty_callback
            * 100
        )

        # Assert that the difference is not more than 10%
        assert (
            percentage_diff < 10
        ), f"Performance difference of {percentage_diff:.2f}% exceeds 10% threshold"

        print(f"Performance difference: {percentage_diff:.2f}%")

    except litellm.Timeout as e:
        pass
    except Exception as e:
        pytest.fail(f"An exception occurred - {e}")


async def make_async_calls(metadata=None, **completion_kwargs):
    total_start_time = asyncio.get_event_loop().time()
    tasks = []

    async def create_and_run_task():
        task = create_async_task(**completion_kwargs)
        response = await task
        print(f"Response: {response}")

    for _ in range(3):  # Run for 10 seconds
        # Create 100 tasks
        tasks = []
        for _ in range(100):
            tasks.append(asyncio.create_task(create_and_run_task()))

        # Wait for any remaining tasks to complete
        await asyncio.gather(*tasks)

        await asyncio.sleep(1)

    # Calculate the total time taken
    total_time = asyncio.get_event_loop().time() - total_start_time

    return total_time


def create_async_task(**completion_kwargs):
    """
    Creates an async task for the litellm.acompletion function.
    This is just the task, but it is not run here.
    To run the task it must be awaited or used in other asyncio coroutine execution functions like asyncio.gather.
    Any kwargs passed to this function will be passed to the litellm.acompletion function.
    By default a standard set of arguments are used for the litellm.acompletion function.
    """
    completion_args = {
        "model": "openai/chatgpt-v-2",
        "api_version": "2024-02-01",
        "messages": [{"role": "user", "content": "This is a test" * 100}],
        "max_tokens": 5,
        "temperature": 0.7,
        "timeout": 5,
        "user": "langfuse_latency_test_user",
        "mock_response": "Mock response",
    }
    completion_args.update(completion_kwargs)
    return asyncio.create_task(litellm.acompletion(**completion_args))