"""strings.json and translations/en.json must be identical; de.json must have the same keys."""

from __future__ import annotations

import json
from pathlib import Path
import sys

BASE = Path(__file__).parents[1] / "custom_components" / "ninlight"


def keys(data: dict, prefix: str = "") -> set[str]:
    out: set[str] = set()
    for key, value in data.items():
        out |= keys(value, f"{prefix}{key}.") if isinstance(value, dict) else {f"{prefix}{key}"}
    return out


def main() -> int:
    strings = json.loads((BASE / "strings.json").read_text(encoding="utf-8"))
    en = json.loads((BASE / "translations" / "en.json").read_text(encoding="utf-8"))
    de = json.loads((BASE / "translations" / "de.json").read_text(encoding="utf-8"))
    if strings != en:
        print("translations/en.json weicht von strings.json ab")
        return 1
    diff = sorted(keys(strings) ^ keys(de))
    if diff:
        print("de.json und strings.json haben unterschiedliche Schluessel:", diff)
        return 1
    print("Uebersetzungen vollstaendig")
    return 0


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