# regles.py
from engine.logger import log_info, log_debug
# -------------------------------------------------
#  Règle de priorité : remplace, rejette, ou force tour
# -------------------------------------------------
def resolve_priority(
    cur,
    cnx,
    detail_table,
    tp_id,
    dossard,
    new_timestamp,
    new_priority,
    det_id,
    tp_config
):

    # -------------------------------------------------
    #  Lecture de la fenêtre backup pour priorité
    # -------------------------------------------------
    cfg = (
        tp_config[tp_id]["config"]
        .get("config_tp", {})
        .get("clef_temp_bbk", [])
    )

    backup_window = 0
    if cfg:
        try:
            backup_window = int(cfg[0]["value1"])
        except:
            backup_window = 0

    log_debug(f"[resolve_priority] backup_window={backup_window}")

    # -------------------------------------------------
    #  Si backup_window = 0 → toujours accepter
    # -------------------------------------------------
    if backup_window <= 0:
        return 1, None, None, None

    # -------------------------------------------------
    #  Recherche d'une lecture existante dans la fenêtre
    # -------------------------------------------------
    cur.execute(f"""
        SELECT detail_id, controller_priority, timestamp_read, tour
        FROM `{detail_table}`
        WHERE tp_id = %s
          AND cla_info_dossard = %s
          AND status = 1
          AND ABS(timestamp_read - %s) <= %s
        LIMIT 1
    """, (tp_id, dossard, str(new_timestamp), backup_window))

    row = cur.fetchone()

    # -------------------------------------------------
    #  Aucun doublon → accepter
    # -------------------------------------------------
    if not row:
        return 1, None, None, None

    old_id       = row["detail_id"]
    old_priority = row["controller_priority"]
    old_tour     = row["tour"]

    # -------------------------------------------------
    #  Comparaison des priorités
    # -------------------------------------------------

    # Nouvelle lecture moins prioritaire → rejet
    if new_priority > old_priority:
        return 0, "LOWER_PRIORITY", det_id, None

    # Nouvelle lecture plus prioritaire → remplacer
    if new_priority < old_priority:

        cur.execute(f"""
            UPDATE `{detail_table}`
            SET
                status = 0,
                reason_code = 'REPLACED_BY_HIGHER_PRIORITY',
                reason_ref_id = %s
            WHERE detail_id = %s
        """, (det_id, old_id))

        cnx.commit()

        forced_tour = old_tour
        return 1, None, None, forced_tour

    # Même priorité → rejet
    return 0, "EQUAL_PRIORITY", det_id, None