#!/usr/bin/env python3
"""Проверка сгенерированного index.html: JSON в feed-data и логика ленты."""
import json
import re
import sys

def main():
    path = sys.argv[1] if len(sys.argv) > 1 else "/opt/docker/log-dashboard/html/index.html"
    with open(path, "r", encoding="utf-8") as f:
        html = f.read()

    m = re.search(r'<script type="application/json" id="feed-data">(.*?)</script>', html, re.DOTALL)
    if not m:
        print("FAIL: feed-data block not found")
        return 1

    raw = m.group(1).strip()
    try:
        data = json.loads(raw)
    except Exception as e:
        print("FAIL: JSON parse error:", e)
        return 1

    for key in ("feed", "geo", "domains"):
        if key not in data:
            print("FAIL: missing key", key)
            return 1

    feed, geo, domains = data["feed"], data["geo"], data["domains"]
    if not isinstance(feed, list) or not isinstance(geo, dict) or not isinstance(domains, list):
        print("FAIL: wrong types")
        return 1

    if len(feed) == 0:
        print("WARN: feed is empty")
    else:
        e = feed[0]
        for k in ("t", "d", "m", "p", "s", "c"):
            if k not in e:
                print("FAIL: feed entry missing", k)
                return 1

    # Симуляция getFiltered() + render() для страницы 1
    domain = domains[0] if domains else ""
    filtered = [x for x in feed if x["d"] == domain] if domain else feed
    page_size = 100
    current_page = 1
    total_pages = max(1, (len(filtered) + page_size - 1) // page_size)
    start = (current_page - 1) * page_size
    page = filtered[start : start + page_size]

    rows = []
    for e in page:
        geo_val = geo.get(e.get("c"), "—")
        rows.append((e.get("t"), e.get("d"), e.get("m"), e.get("p"), e.get("s"), e.get("c"), geo_val))

    if not page and filtered:
        print("FAIL: page is empty but filtered has items")
        return 1
    if len(rows) != len(page):
        print("FAIL: row count mismatch")
        return 1

    print("OK: feed entries:", len(feed))
    print("OK: geo entries:", len(geo))
    print("OK: domains:", len(domains))
    print("OK: page 1 rows:", len(rows), "| sample:", rows[0][:3] if rows else "n/a")
    return 0

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