import datetime

LOG_FILE = "runtime.log"
ERROR_FILE = "errors.log"


def log(message: str, level: str = "INFO"):
    ts = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
    line = f"[{ts}] [{level}] {message}"

    print(line)

    with open(LOG_FILE, "a", encoding="utf-8") as f:
        f.write(line + "\n")

    if level == "ERROR":
        with open(ERROR_FILE, "a", encoding="utf-8") as f:
            f.write(line + "\n")