import os


def _get_bool(name, default=False):
    val = os.environ.get(name)
    if val is None:
        return default
    return val.strip().lower() in ("1", "true", "yes", "on")


def _get_int(name, default):
    raw = os.environ.get(name)
    if raw is None:
        return default
    return int(raw)


DATA_DIR = os.environ.get("CROSS_PY_DATA", os.path.join(os.path.dirname(os.path.dirname(__file__)), "data"))
DB_PATH = os.environ.get("CROSS_PY_DB", os.path.join(DATA_DIR, "jobs.db"))
BUILDS_DIR = os.environ.get("CROSS_PY_BUILDS", os.path.join(DATA_DIR, "builds"))
PORT = _get_int("CROSS_PY_PORT", 8080)

# One job at a time by default; raise to allow parallel dispatches to distinct workers.
MAX_CONCURRENT = _get_int("CROSS_PY_MAX_CONCURRENT", 1)

# Per-request timeouts (seconds) for talking to workers.
WORKER_STATUS_TIMEOUT = _get_int("CROSS_PY_WORKER_STATUS_TIMEOUT", 5)
WORKER_BUILD_TIMEOUT = _get_int("CROSS_PY_WORKER_BUILD_TIMEOUT", 3600)

# Interval (seconds) for the scheduler loop.
SCHEDULER_INTERVAL = 1.0

# Debug mode uses Flask's dev server; otherwise serve through waitress.
DEBUG = _get_bool("CROSS_PY_DEBUG", False)


def ensure_dirs():
    os.makedirs(DATA_DIR, exist_ok=True)
    os.makedirs(BUILDS_DIR, exist_ok=True)