import logging
import requests

logger = logging.getLogger(__name__)

TIMEOUT = 5


def build_wled_url(hostname, r, g, b, segment=None, effect=""):
    """Build WLED HTTP API URL."""
    base = f"http://{hostname}/win&A=255&R={r}&G={g}&B={b}"
    if effect:
        base = f"http://{hostname}{effect}&R={r}&G={g}&B={b}"
    if segment is not None:
        base = f"{base}&SS={segment}"
    return base


def call_wled(url):
    """Send HTTP request to WLED device. Returns (success, status_text)."""
    try:
        r = requests.post(url, timeout=TIMEOUT)
        return True, f"{r.status_code} {r.reason}"
    except requests.exceptions.RequestException as e:
        logger.warning("WLED nicht erreichbar: %s - %s", url, e)
        return False, str(e)