#!/usr/bin/env python3
"""Sync frontend/src/app/globals.css -> redmini/tool/nomadro.css (Chrome 61 sanitize)."""
from __future__ import annotations

import re
from pathlib import Path

ROOT = Path(__file__).resolve().parents[2]
SRC = ROOT / "frontend" / "src" / "app" / "globals.css"
OUT = ROOT / "redmini" / "tool" / "nomadro.css"


def unwrap_layers(text: str) -> str:
    while True:
        m = re.search(r"@layer\s+[\w-]+\s*\{", text)
        if not m:
            break
        start = m.start()
        i = m.end()
        depth = 1
        while i < len(text) and depth:
            if text[i] == "{":
                depth += 1
            elif text[i] == "}":
                depth -= 1
            i += 1
        text = text[:start] + text[m.end() : i - 1] + text[i:]
    return text


def main() -> int:
    src = SRC.read_text(encoding="utf-8")
    src = re.sub(
        r"html:has\(\[data-ebook-root\]\)[^{]*\{(?:[^{}]|\{[^{}]*\})*\}",
        "",
        src,
    )
    src = re.sub(
        r"html:has\(\[data-ebook-root\]\)\s+body\s*\{(?:[^{}]|\{[^{}]*\})*\}",
        "",
        src,
    )
    src = unwrap_layers(src)
    src = src.replace("var(--font-outfit), ", "").replace(", var(--font-outfit)", "")
    OUT.write_text(
        "/* Mirror of frontend/src/app/globals.css — synced for XHS offline H5 */\n" + src,
        encoding="utf-8",
    )
    print(f"wrote {OUT} ({OUT.stat().st_size} bytes) open={src.count('{')} close={src.count('}')}")
    return 0


if __name__ == "__main__":
    raise SystemExit(main())