import os, sys
import logging
import shutil
import pathlib
import urllib.request
import time
from pathlib import Path
import zipfile

root_dir = pathlib.Path(__file__).parent.resolve()
logger = logging.getLogger("start")

def start():
    global logger
    logger.debug(f"---------------- START ----------------")
    logger.debug(f"Root path: {root_dir}")

    pathlib.Path(os.path.join(root_dir, "libs")).mkdir(parents=True, exist_ok=True)
    download_app()
    from libs.app.utils import Utils, get_logger, create_venv, download_file, kargs_to_array
    create_venv()
    args = kargs_to_array()
    # args.append("updateApp=False") # NEVER SET TRUE
    # args.append("updateLibs=True")
    utils = Utils()

    main_file_path = os.path.join(root_dir, "libs","app", "main.py")
    pid = utils.new_python_process(main_file_path, args)
    logger.info(f"Main process running. PID {pid} - Args: {args}")
    logger.info(f"---------------- END ----------------")

def download_app():
    url = f"{default_repository}/app/app.zip"
    path = os.path.join(root_dir, "libs", "app.zip")
    if(not os.path.exists(path)):
        logger.debug(f"Downloading from URL: {url} to {path}")
        urllib.request.urlretrieve(url, path)
        logger.debug(f"Extracting all from {path}")
        with zipfile.ZipFile(path, 'r') as zip_ref:
            zip_ref.extractall(Path(path).parent.absolute())



default_repository = "http://n0sys.duckdns.org:30303/libs"

logger.addHandler(logging.StreamHandler())
app_logs_path = os.path.join(root_dir, "logs", "app")
shutil.rmtree(os.path.join(root_dir, "logs"), ignore_errors=True)
pathlib.Path(app_logs_path).mkdir(parents=True, exist_ok=True)
logger.addHandler(logging.FileHandler(os.path.join(app_logs_path,'start.log'), mode="a", encoding="utf-8"))
logger.setLevel(logging.DEBUG)

if __name__ == '__main__':
    try:
        start()
    except Exception as e:
        logger.exception("ERROR")
        time.sleep(30)