from __future__ import annotations

import json
import re
from pathlib import Path


ROOT = Path(__file__).resolve().parent
TEMPLATE = re.compile(r'<template\s+id="([^"]+)">\s*(.*?)\s*</template>', re.S)


for component in sorted(path for path in ROOT.iterdir() if path.is_dir()):
    source = component / "index.html"
    if not source.is_file():
        continue
    fragments = dict(TEMPLATE.findall(source.read_text(encoding="utf-8")))
    if not fragments:
        raise RuntimeError(f"No templates found in {source}")
    key = f"{ROOT.name}/{component.name}/index.html"
    payload = json.dumps(fragments, ensure_ascii=False, separators=(",", ":"))
    script = (
        "(() => {\n"
        "  window.componentRegistry ||= {};\n"
        f"  window.componentRegistry[{json.dumps(key)}] = {payload};\n"
        "})();\n"
    )
    (component / "component.js").write_text(script, encoding="utf-8", newline="\n")
    print(f"Updated {component.name}/component.js")