from __future__ import annotations

import json
from pathlib import Path

from warium_source import ROOT


def main() -> None:
    inventory_path = ROOT / "docs" / "inventory" / "original-inventory.json"
    generated_source = ROOT / "src" / "generated" / "java" / "net" / "mcreator" / "crustychunks" / "init" / "GeneratedRegistries.java"
    if not inventory_path.exists() or not generated_source.exists():
        raise SystemExit("Generated inventory is missing; run generatePortSources first.")
    inventory = json.loads(inventory_path.read_text(encoding="utf-8"))
    source = generated_source.read_text(encoding="utf-8")
    missing_blocks = [name for name in inventory["blocks_from_blockstates"] if f'"{name}"' not in source]
    missing_items = [name for name in inventory["standalone_items_from_item_models"] if f'"{name}"' not in source]
    if missing_blocks or missing_items:
        raise SystemExit(
            "Registry parity failed: "
            f"{len(missing_blocks)} blocks missing, {len(missing_items)} standalone items missing"
        )
    print(
        "Registry parity OK: "
        f"{len(inventory['blocks_from_blockstates'])} blocks and "
        f"{len(inventory['standalone_items_from_item_models'])} standalone items generated."
    )


if __name__ == "__main__":
    main()