import os
from pathlib import Path
import pytest
from chat.config import load_settings

def test_load_settings_reads_toml(tmp_path, monkeypatch):
    cfg = tmp_path / "config.toml"
    cfg.write_text("""
        featherless_api_key = "sk-test"
        narrative_model = "dphn/Dolphin-Mistral-24B-Venice-Edition"
        classifier_model = "NousResearch/Hermes-3-Llama-3.1-8B"
        ooc_marker = "(("
        retrieval_k = 4
    """)
    monkeypatch.setenv("CHAT_CONFIG_PATH", str(cfg))
    s = load_settings()
    assert s.featherless_api_key == "sk-test"
    assert s.narrative_model.startswith("dphn/")
    assert s.retrieval_k == 4

def test_chat_db_path_env_overrides_default(tmp_path, monkeypatch):
    monkeypatch.setenv("CHAT_DB_PATH", str(tmp_path / "alt.db"))
    monkeypatch.setenv("CHAT_CONFIG_PATH", str(tmp_path / "config.toml"))
    (tmp_path / "config.toml").write_text('featherless_api_key = "x"\n')
    s = load_settings()
    assert s.db_path == tmp_path / "alt.db"