# /// script
# requires-python = ">=3.10"
# dependencies = ["huggingface_hub>=1.0.0", "modelscope-hub>=0.2.0"]
# ///
"""Create a durable, paginated file manifest for the Daimon-Infinity mirror."""

import json
import os
import time
from pathlib import Path

from huggingface_hub import HfApi
from modelscope_hub import HubApi

SOURCE = "daimonrobotics/Daimon-Infinity"
DESTINATION = "mrfakename/Daimon-Infinity"
MS_TOKEN = os.environ["MODELSCOPE_TOKEN"]
HF_TOKEN = os.environ["HF_TOKEN"]


def main():
    source = HubApi(token=MS_TOKEN)
    source.login(MS_TOKEN)
    manifest = Path("/tmp/daimon-manifest.jsonl")
    page = 1
    count = 0
    with manifest.open("w", encoding="utf-8") as output:
        while True:
            for attempt in range(8):
                try:
                    response = source.legacy._request(
                        "GET", f"datasets/{SOURCE}/repo/tree",
                        params={"Revision": "master", "Recursive": "True", "PageNumber": page, "PageSize": 200},
                    )
                    data = source.legacy._json_data(response)
                    batch = data if isinstance(data, list) else data.get("Files", [])
                    break
                except Exception:
                    source.login(MS_TOKEN)
                    time.sleep(min(60, 2**attempt))
            else:
                raise RuntimeError(f"Could not fetch ModelScope manifest page {page}")
            for item in batch:
                if (item.get("Type") or item.get("type")) != "tree":
                    output.write(json.dumps(item, ensure_ascii=False) + "\n")
                    count += 1
            if page % 100 == 0:
                print(f"page={page} files={count}", flush=True)
            if len(batch) < 200:
                break
            page += 1
    HfApi(token=HF_TOKEN).upload_file(
        path_or_fileobj=str(manifest), path_in_repo=".mirror/manifest.jsonl",
        repo_id=DESTINATION, repo_type="dataset", commit_message=f"Index {count} upstream files",
    )
    print(f"uploaded manifest: {count} files", flush=True)


if __name__ == "__main__":
    main()