import gzip, json, sys, glob, os, hashlib

# prod or all
KEYS = ["model", "vocab", "srcvocab", "trgvocab", "lex", "qualityModel"]


def get_meta(model_path, model_type):
    meta = {}
    for file_path in glob.glob(f"{model_path}/*.gz"):
        name = os.path.basename(file_path)[:-3]
        size = os.path.getsize(file_path)

        with gzip.open(file_path, "rb") as f:
            bytes = f.read()
            hash = hashlib.sha256(bytes).hexdigest()

        key = [key for key in KEYS if name.startswith(key)][0]
        meta[key] = {
            "name": name,
            "size": len(bytes),
            "estimatedCompressedSize": size,
            "expectedSha256Hash": hash,
            "modelType": model_type,
        }
    return meta


registry = {}
for model_type in ["prod", "dev"]:
    for model_path in glob.glob(f"models/{model_type}/*"):
        pair = os.path.basename(model_path)
        meta = get_meta(model_path, model_type)
        registry[pair] = meta

with open(f"registry.json", "w") as f:
    json.dump(registry, f, indent=2)