from pathlib import Path

from bggpipe.config import Config, load_config


def test_defaults_when_no_file(tmp_path, monkeypatch):
    monkeypatch.delenv("BGG_USERNAME", raising=False)
    cfg = load_config(tmp_path / "missing.toml")
    assert cfg == Config()
    assert cfg.cache_dir == Path("data/bgg_cache")


def test_reads_toml(tmp_path, monkeypatch):
    monkeypatch.delenv("BGG_USERNAME", raising=False)
    p = tmp_path / "config.toml"
    p.write_text(
        'bgg_username = "someone"\ndata_dir = "elsewhere"\nrate_limit_seconds = 3\n'
    )
    cfg = load_config(p)
    assert cfg.bgg_username == "someone"
    assert cfg.data_dir == Path("elsewhere")
    assert cfg.rate_limit_seconds == 3.0
    assert cfg.matches_path == Path("elsewhere/matches.csv")


def test_env_overrides_toml(tmp_path, monkeypatch):
    p = tmp_path / "config.toml"
    p.write_text('bgg_username = "from_toml"\n')
    monkeypatch.setenv("BGG_USERNAME", "from_env")
    cfg = load_config(p)
    assert cfg.bgg_username == "from_env"