#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Hlida serverovy log (na Unraidu) dokud dany beh neskonci.
Poluje pres SSH, tiskne ridky progress, skonci na koncovem markeru.
Pouziti: _watch_server_log.py <vzdalena_cesta_logu> [marker]
"""
import sys
import time

import paramiko

HOST = "192.168.1.76"
USER = "root"
PASS = "7309208104"

logpath = sys.argv[1] if len(sys.argv) > 1 else "/mnt/user/Scripts/MailStore/dryrun_full.log"
marker = sys.argv[2] if len(sys.argv) > 2 else "Zprav proskenovano"

c = paramiko.SSHClient()
c.set_missing_host_key_policy(paramiko.AutoAddPolicy())
c.connect(HOST, username=USER, password=PASS, timeout=10)


def sh(cmd):
    i, o, e = c.exec_command(cmd)
    return o.read().decode("utf-8", "replace")


t0 = time.time()
last_count = -1
while True:
    content = sh(f"cat {logpath!r} 2>/dev/null")
    done = (marker in content) or ("Traceback" in content)
    folders = content.count("k dobrani=")
    if folders != last_count:
        mins = (time.time() - t0) / 60
        # posledni zpracovana slozka
        lines = [l for l in content.splitlines() if "k dobrani=" in l]
        last = lines[-1].strip() if lines else ""
        print(f"[{mins:4.1f} min] slozek hotovo: {folders:4} | {last[:70]}", flush=True)
        last_count = folders
    if done:
        print("=== HOTOVO ===", flush=True)
        tail = "\n".join(content.splitlines()[-10:])
        print(tail, flush=True)
        break
    time.sleep(30)

c.close()