import os
import shutil
from datetime import datetime, timedelta
from pathlib import Path

from .config import CLEAN_OLD_SESSIONS_DAYS, ESTADO_FILE, LOG_FILE


def log_text(line):
    ts = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
    with open(LOG_FILE, "a", encoding="utf-8") as file:
        file.write(f"{ts} | {line}\n")


def asegurar_directorio(path):
    os.makedirs(path, exist_ok=True)


def save_session_state(active):
    try:
        with open(ESTADO_FILE, "w", encoding="utf-8") as file:
            file.write("SESION_ACTIVA" if active else "SESION_INACTIVA")
    except Exception as exc:
        print(f"No se pudo guardar estado de sesion: {exc}")


def cleanup_old_chrome_data(dirpath="./perfil_whatsapp", days=CLEAN_OLD_SESSIONS_DAYS):
    if days <= 0:
        return

    try:
        base = Path(dirpath)
        if not base.exists():
            return

        cutoff = datetime.now() - timedelta(days=days)
        for child in base.iterdir():
            try:
                mtime = datetime.fromtimestamp(child.stat().st_mtime)
                if mtime < cutoff and child.is_dir():
                    shutil.rmtree(child)
                    print(f"Eliminada sesion antigua: {child}")
            except Exception:
                continue
    except Exception as exc:
        print(f"Error limpiando sesiones antiguas: {exc}")