import os
from pathlib import Path


# Application package lives under `src/`; repo root is one level up (for `.env`, default workspace).
BASE_DIR = Path(__file__).resolve().parent.parent
PROJECT_ROOT = BASE_DIR.parent
STATIC_DIR = BASE_DIR / "static"


def load_env_file(env_path: Path) -> None:
    """Load KEY=VALUE entries from a local .env file (does not override existing os.environ)."""
    if not env_path.exists():
        return

    for line in env_path.read_text(encoding="utf-8").splitlines():
        stripped = line.strip()
        if not stripped or stripped.startswith("#") or "=" not in stripped:
            continue
        key, value = stripped.split("=", 1)
        key = key.strip()
        value = value.strip().strip('"').strip("'")
        if key and key not in os.environ:
            os.environ[key] = value


load_env_file(PROJECT_ROOT / ".env")

_default_workspace = PROJECT_ROOT / "workspace"
WORKSPACE_ROOT = Path(os.environ.get("WORKSPACE_ROOT", str(_default_workspace))).resolve()

# Canonical demo bundle root (`manifest.json` lives here). Sample `.py`
# sources live under `demo/` (same idea as `bundled-lib/` for shared modules).
# They ship with the static bundle (`/static/bundled-demos/...`) so a
# static-only host also exposes them. `workspace/` is intentionally NOT used
# for canonical data — it is treated as runtime/user state and is gitignored.
BUNDLED_DEMOS_DIR = STATIC_DIR / "bundled-demos"
BUNDLED_DEMOS_CODE_DIR = BUNDLED_DEMOS_DIR / "demo"