import pytest
from pydantic import ValidationError
from ea_chatbot.config import Settings, LLMConfig

def test_default_settings():
    """Test that default settings are loaded correctly."""
    settings = Settings()
    
    # Check default config for query analyzer
    assert isinstance(settings.query_analyzer_llm, LLMConfig)
    assert settings.query_analyzer_llm.provider == "openai"
    assert settings.query_analyzer_llm.model == "gpt-5-mini"
    assert settings.query_analyzer_llm.temperature == 0.0

    # Check default config for planner
    assert isinstance(settings.planner_llm, LLMConfig)
    assert settings.planner_llm.provider == "openai"
    assert settings.planner_llm.model == "gpt-5-mini"

def test_env_override(monkeypatch):
    """Test that environment variables override defaults."""
    monkeypatch.setenv("QUERY_ANALYZER_LLM__MODEL", "gpt-3.5-turbo")
    monkeypatch.setenv("QUERY_ANALYZER_LLM__TEMPERATURE", "0.7")
    
    settings = Settings()
    assert settings.query_analyzer_llm.model == "gpt-3.5-turbo"
    assert settings.query_analyzer_llm.temperature == 0.7

def test_provider_specific_params():
    """Test that provider specific parameters can be set."""
    config = LLMConfig(
        provider="openai",
        model="o1-preview",
        provider_specific={"reasoning_effort": "high"}
    )
    assert config.provider_specific["reasoning_effort"] == "high"

def test_oidc_settings(monkeypatch):
    """Test OIDC settings configuration."""
    monkeypatch.setenv("OIDC_CLIENT_ID", "test_client_id")
    monkeypatch.setenv("OIDC_CLIENT_SECRET", "test_client_secret")
    monkeypatch.setenv("OIDC_SERVER_METADATA_URL", "https://test.server/.well-known/openid-configuration")
    
    settings = Settings()
    assert settings.oidc_client_id == "test_client_id"
    assert settings.oidc_client_secret == "test_client_secret"
    assert settings.oidc_server_metadata_url == "https://test.server/.well-known/openid-configuration"