"""
Test cases for the config class, which handles the configuration settings
for the AI and ensures it behaves as a singleton.
"""
import asyncio
import os
from typing import Any
from unittest import mock

import pytest
from openai.pagination import AsyncPage
from openai.types import Model
from pydantic import SecretStr

from autogpt.app.config import GPT_3_MODEL, GPT_4_MODEL, AppConfig, ConfigBuilder
from autogpt.app.configurator import apply_overrides_to_config


def test_initial_values(config: AppConfig) -> None:
    """
    Test if the initial values of the config class attributes are set correctly.
    """
    assert config.continuous_mode is False
    assert config.tts_config.speak_mode is False
    assert config.fast_llm.startswith("gpt-3.5-turbo")
    assert config.smart_llm.startswith("gpt-4")


@pytest.mark.asyncio
@mock.patch("openai.resources.models.AsyncModels.list")
async def test_fallback_to_gpt3_if_gpt4_not_available(
    mock_list_models: Any, config: AppConfig
) -> None:
    """
    Test if models update to gpt-3.5-turbo if gpt-4 is not available.
    """
    config.fast_llm = GPT_4_MODEL
    config.smart_llm = GPT_4_MODEL

    mock_list_models.return_value = asyncio.Future()
    mock_list_models.return_value.set_result(
        AsyncPage(
            data=[Model(id=GPT_3_MODEL, created=0, object="model", owned_by="AutoGPT")],
            object="Models",  # no idea what this should be, but irrelevant
        )
    )

    await apply_overrides_to_config(config=config)

    assert config.fast_llm == GPT_3_MODEL
    assert config.smart_llm == GPT_3_MODEL


def test_missing_azure_config(config: AppConfig) -> None:
    assert config.openai_credentials is not None

    config_file = config.app_data_dir / "azure_config.yaml"
    with pytest.raises(FileNotFoundError):
        config.openai_credentials.load_azure_config(config_file)

    config_file.write_text("")
    with pytest.raises(ValueError):
        config.openai_credentials.load_azure_config(config_file)

    assert config.openai_credentials.api_type != SecretStr("azure")
    assert config.openai_credentials.api_version is None
    assert config.openai_credentials.azure_model_to_deploy_id_map is None


@pytest.fixture
def config_with_azure(config: AppConfig):
    config_file = config.app_data_dir / "azure_config.yaml"
    config_file.write_text(
        f"""
azure_api_type: azure
azure_api_version: 2023-06-01-preview
azure_endpoint: https://dummy.openai.azure.com
azure_model_map:
    {config.fast_llm}: FAST-LLM_ID
    {config.smart_llm}: SMART-LLM_ID
    {config.embedding_model}: embedding-deployment-id-for-azure
"""
    )
    os.environ["USE_AZURE"] = "True"
    os.environ["AZURE_CONFIG_FILE"] = str(config_file)
    config_with_azure = ConfigBuilder.build_config_from_env(
        project_root=config.project_root
    )
    yield config_with_azure
    del os.environ["USE_AZURE"]
    del os.environ["AZURE_CONFIG_FILE"]


def test_azure_config(config_with_azure: AppConfig) -> None:
    assert (credentials := config_with_azure.openai_credentials) is not None
    assert credentials.api_type == SecretStr("azure")
    assert credentials.api_version == SecretStr("2023-06-01-preview")
    assert credentials.azure_endpoint == SecretStr("https://dummy.openai.azure.com")
    assert credentials.azure_model_to_deploy_id_map == {
        config_with_azure.fast_llm: "FAST-LLM_ID",
        config_with_azure.smart_llm: "SMART-LLM_ID",
        config_with_azure.embedding_model: "embedding-deployment-id-for-azure",
    }

    fast_llm = config_with_azure.fast_llm
    smart_llm = config_with_azure.smart_llm
    assert (
        credentials.get_model_access_kwargs(config_with_azure.fast_llm)["model"]
        == "FAST-LLM_ID"
    )
    assert (
        credentials.get_model_access_kwargs(config_with_azure.smart_llm)["model"]
        == "SMART-LLM_ID"
    )

    # Emulate --gpt4only
    config_with_azure.fast_llm = smart_llm
    assert (
        credentials.get_model_access_kwargs(config_with_azure.fast_llm)["model"]
        == "SMART-LLM_ID"
    )
    assert (
        credentials.get_model_access_kwargs(config_with_azure.smart_llm)["model"]
        == "SMART-LLM_ID"
    )

    # Emulate --gpt3only
    config_with_azure.fast_llm = config_with_azure.smart_llm = fast_llm
    assert (
        credentials.get_model_access_kwargs(config_with_azure.fast_llm)["model"]
        == "FAST-LLM_ID"
    )
    assert (
        credentials.get_model_access_kwargs(config_with_azure.smart_llm)["model"]
        == "FAST-LLM_ID"
    )