"""Keep the numbers inside ../widget.html equal to the ones in scenario.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 scenario import CAPACITY, DEMO_KEY, PRICE_PER_REQUEST, REFILL_PER_SECOND, STRANGER_REQUESTS, STRANGER_SECONDS

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


def config():
    return {"capacity": CAPACITY, "refillPerSecond": REFILL_PER_SECOND, "requests": STRANGER_REQUESTS,
            "seconds": STRANGER_SECONDS, "priceMilliDollars": int(PRICE_PER_REQUEST * 1000), "key": DEMO_KEY}


def embed(html):
    """html with the config block rewritten from scenario.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 scenario.py")