# engine/engine_components/course_config.py

from datetime import datetime
import pytz
from engine.logger import log_debug, log_warn

LOCAL_TZ = "America/Toronto"


def load_course_config(cur, con_id: int):
    """
    Charge toutes les configs det_type = 2 (config de course)
    et retourne start_time / end_time convertis en datetime LOCAL.
    """

    sql = """
        SELECT det_clef, det_value1
        FROM reader_config_detail
        WHERE det_type = 2
          AND det_ref1_id = %s
    """
    cur.execute(sql, (con_id,))
    rows = cur.fetchall()

    cfg = {}

    for row in rows:
        clef = row["det_clef"]
        val = row["det_value1"]
        cfg[clef] = val

    tz = pytz.timezone(LOCAL_TZ)

    start = None
    end = None

    # Convertir start_time si présent
    if "clef_start_time" in cfg:
        try:
            start = tz.localize(datetime.fromtimestamp(int(cfg["clef_start_time"])))
        except Exception as e:
            log_warn(f"[CONFIG][CON {con_id}] start_time invalide: {e}")

    # Convertir fin_time si présent
    if "clef_fin_time" in cfg:
        try:
            end = tz.localize(datetime.fromtimestamp(int(cfg["clef_fin_time"])))
        except Exception as e:
            log_warn(f"[CONFIG][CON {con_id}] end_time invalide: {e}")

    log_debug(f"[CONFIG COURSE] con_id={con_id} start={start} end={end}")

    return {
        "start_time": start,
        "end_time": end,
        "raw": cfg
    }