import os

from .dataset import ROOT

PRESETS = {
    "liquid-d1-free": ("liquid", "d1:free"),
    "jev-1.13": ("openrouter", "typesafe/jev-1.13"),
    "kev-4b": ("openrouter", "jaredpalmer/kev-4b"),
    "solar-decide": ("openrouter", "upstage/solar-decide"),
    "laya-multilingual": ("laya", "convaiinnovations/laya-multilingual"),
    "julia-1": ("julia", "SupersonicLabs/Julia-1"),
    "baseline-majority": ("baseline", "majority"),
    "baseline-overlap": ("baseline", "overlap"),
    "baseline-last-clause": ("baseline", "last_clause"),
    "baseline-first-clause": ("baseline", "first_clause"),
}


def load_dotenv(path=ROOT / ".env"):
    """Minimal KEY=VALUE loader; real environment variables take precedence."""
    if not path.exists():
        return
    for line in path.read_text(encoding="utf-8").splitlines():
        line = line.strip()
        if not line or line.startswith("#") or "=" not in line:
            continue
        key, value = line.split("=", 1)
        key = key.strip().removeprefix("export ").strip()
        value = value.strip().strip("'\"")
        if key and value and key not in os.environ:
            os.environ[key] = value