"""Keep the data inside ../widget.html equal to the data in toy.py.

    python3 embed_widget.py          rewrite the data block in widget.html
    python3 embed_widget.py --check  exit 1 if widget.html differs (test_widget.py runs the same check)
"""
import json
import re
import sys
from pathlib import Path

from toy import ALLOWED, CLOSE, INSTRUCTION_LINE, MINE, OUTSIDE, PAGE, REQUEST, TELLTALE, WORDINGS

WIDGET = Path(__file__).resolve().parent.parent / "widget.html"
CONFIG_BLOCK = re.compile(r'(<script type="application/json" id="pi-config">)(.*?)(</script>)', re.S)


def config():
    return {"mine": MINE, "outside": OUTSIDE, "allowed": sorted(ALLOWED), "close": CLOSE, "telltale": list(TELLTALE),
            "instructionLine": INSTRUCTION_LINE, "page": PAGE, "request": REQUEST,
            "wordings": [{"id": i, "name": name, "text": text} for i, name, text in WORDINGS]}


def embed(html):
    """html with the config block rewritten from toy.py."""
    block = json.dumps(config(), indent=1)
    return CONFIG_BLOCK.sub(lambda m: m.group(1) + "\n" + block + "\n" + m.group(3), html, count=1)


if __name__ == "__main__":
    current = WIDGET.read_text(encoding="utf-8")
    updated = embed(current)
    if "--check" in sys.argv:
        sys.exit(0 if updated == current else 1)
    WIDGET.write_text(updated, encoding="utf-8")
    print("widget.html data block now matches toy.py")