"""Один цикл автоулучшения: проверить кандидатов → пересобрать sources_auto.py →
докачать новое → пересобрать abuse-индекс → коммит/пуш. Запускать по крону (6ч).

    python tools/auto_cycle.py            # полный цикл
    python tools/auto_cycle.py --dry      # без коммита и без сети (только отчёт)

Лог: data/auto_cycle.log (append).
"""
import argparse
import os
import subprocess
import sys
import time
from datetime import datetime, timezone
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
PY = sys.executable
LOG = ROOT / "data" / "auto_cycle.log"
ENV = dict(os.environ, PYTHONPATH="", PYTHONIOENCODING="utf-8", PYTHONUTF8="1")


def log(msg):
    line = "%s %s" % (datetime.now(timezone.utc).strftime("%Y-%m-%dT%H:%M"), msg)
    print(line)
    with LOG.open("a", encoding="utf-8") as fh:
        fh.write(line + "\n")


def run(args, timeout=1800):
    t = time.time()
    p = subprocess.run([PY] + args, cwd=str(ROOT), env=ENV, capture_output=True, text=True,
                       encoding="utf-8", errors="replace", timeout=timeout)
    out = (p.stdout or "") + (p.stderr or "")
    return p.returncode, out.strip(), round(time.time() - t, 1)


def git(*args, timeout=180):
    p = subprocess.run(["git"] + list(args), cwd=str(ROOT), capture_output=True, text=True,
                       encoding="utf-8", errors="replace", timeout=timeout)
    return p.returncode, ((p.stdout or "") + (p.stderr or "")).strip()


def main():
    ap = argparse.ArgumentParser()
    ap.add_argument("--dry", action="store_true")
    ap.add_argument("--pause", type=float, default=6.0)
    a = ap.parse_args()
    log("=== cycle start ===")

    if not a.dry:
        code, out, sec = run(["tools/auto_expand.py", "--probe", "--write", "--pause", str(a.pause)])
        tail = [l for l in out.splitlines() if "LIVE" in l or "wrote" in l or "skip (" in l]
        log("probe/write rc=%s %ss | %s" % (code, sec, " / ".join(tail[-3:]) or out[-200:]))

    changed = git("status", "--porcelain", "--", "omni/sources_auto.py")[1]
    live = 0
    try:
        import re
        txt = (ROOT / "omni" / "sources_auto.py").read_text(encoding="utf-8")
        live = len(re.findall(r"^    A\(", txt, re.M))
    except Exception:
        pass
    log("sources_auto: live=%d changed=%s" % (live, bool(changed)))

    if changed and not a.dry:
        code, out, sec = run(["-m", "omni", "feed", "--only", "aa_", "--limit", "15"])
        log("feed rc=%s %ss | %s" % (code, sec, out.splitlines()[-1] if out else ""))

    if not a.dry:
        code, out, sec = run(["-c", "import sys;sys.path.insert(0,'.');"
                              "from omni import abuse;print('rebuilt', abuse.rebuild())"], timeout=2400)
        log("abuse rc=%s %ss | %s" % (code, sec, (out.splitlines() or [""])[-1]))

    if changed and not a.dry:
        git("add", "--", "omni/sources_auto.py")
        code, out = git("commit", "-m", "auto: источники %d live (%s)" %
                        (live, datetime.now(timezone.utc).strftime("%d.%m %H:%M UTC")))
        log("commit rc=%s | %s" % (code, out.splitlines()[0] if out else ""))
        for remote in ("gitea",):
            if not git("remote")[1].find(remote) >= 0:
                continue
            rc, o = git("push", remote, "main")
            log("push %s rc=%s | %s" % (remote, rc, o.splitlines()[-1] if o else ""))
    log("=== cycle end ===")
    return 0


if __name__ == "__main__":
    sys.exit(main())