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keepalive
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import streamlit as st
import threading
import time
import schedule
import random
import datetime
from playwright.sync_api import sync_playwright

TARGET_URL = "https://streamer1-gvbgwaea2w2qmwgjey7ksg.streamlit.app/"

# ── Shared log list (thread-safe for appends in CPython) ──
logs = ["🚀 System initialized – service starting…"]

def add_log(msg):
    ts = datetime.datetime.now().strftime("%H:%M:%S")
    entry = f"[{ts}] {msg}"
    print(entry)
    logs.append(entry)
    if len(logs) > 50:
        logs.pop(0)

# ── Keep-alive routine ──
def visit_and_scroll():
    add_log(f"Opening {TARGET_URL}")
    try:
        with sync_playwright() as p:
            browser = p.chromium.launch(
                headless=True,
                args=["--no-sandbox", "--disable-dev-shm-usage", "--disable-gpu"],
            )
            page = browser.new_page(
                user_agent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) "
                           "AppleWebKit/537.36 (KHTML, like Gecko) "
                           "Chrome/120.0.0.0 Safari/537.36"
            )
            page.goto(TARGET_URL, wait_until="networkidle", timeout=60_000)
            add_log("Page loaded – waiting 10 s for hydration…")
            time.sleep(10)

            for i in range(1, 6):
                y = i * 800
                page.evaluate(f"window.scrollTo(0, {y});")
                add_log(f"Scrolled to {y}px")
                time.sleep(random.uniform(1.5, 3.0))

            page.evaluate("window.scrollTo(0, 0);")
            browser.close()
            add_log("Visit completed successfully ✅")
    except Exception as e:
        add_log(f"ERROR: {e}")

# ── Background scheduler (one thread, runs forever) ──
def _loop():
    visit_and_scroll()
    schedule.every(1).hours.do(visit_and_scroll)
    while True:
        schedule.run_pending()
        time.sleep(60)

# Guard: start the thread only once per process
import os, sys
_STARTED_FLAG = "/tmp/_keepalive_started"
if not os.path.exists(_STARTED_FLAG):
    open(_STARTED_FLAG, "w").close()
    threading.Thread(target=_loop, daemon=True).start()

# ── Streamlit UI ──
st.set_page_config(page_title="Keep-Alive Console", page_icon="🚀", layout="wide")
st.title("🤖 Keep-Alive Cloud Console")
st.caption(f"Target: **{TARGET_URL}**  •  Frequency: every 1 hour")
st.divider()

c1, c2 = st.columns([3, 1])
with c1:
    st.subheader("Activity Log")
    st.text_area("Logs (newest first)", "\n".join(reversed(logs)), height=400, disabled=True)
with c2:
    st.subheader("Controls")
    if st.button("🚀 Push Now"):
        with st.spinner("Visiting…"):
            visit_and_scroll()
        st.success("Done!")
    st.info("Background scheduler is active.")

# Auto-refresh every 30 s
time.sleep(30)
st.rerun()