#!/usr/bin/env python3
# -*- coding: utf-8 -*-

from pathlib import Path
from concurrent.futures import ThreadPoolExecutor, as_completed
from huggingface_hub import CommitOperationDelete, HfApi, create_repo

# ========= 配置区 =========
repo_id = "cangyeone/SeismicX-Cont"
repo_type = "dataset"
max_workers = 4
root_dir = Path(".")

# Keep the HuggingFace dataset repository aligned with the main release
# manifest. This avoids reintroducing local build products, manuscript files,
# figures, mini-release files, temporary picker outputs, and old root-level
# helper scripts.
manifest_path = root_dir / "manifest_sha256.txt"
delete_remote_extras = True
force_update_prefixes = (
    "scripts/",
    "utils/",
    "notebooks/",
)
force_update_paths = {
    ".gitattributes",
    ".gitignore",
    "LICENSE",
    "README.md",
    "README.zh.md",
    "dataset_plot_data.json",
    "logo.png",
    "manifest_sha256.txt",
}
# =========================


exclude_dirs = {
    ".git",
    "__pycache__",
    ".pytest_cache",
    ".ipynb_checkpoints",
    ".vscode",
    ".idea",
    ".cache",
    "publish_mini",
    "essd",
    "eval_picks",
    "figures",
}

exclude_names = {
    ".DS_Store",
}

exclude_suffixes = {
    ".pyc",
    ".pyo",
}

# 过滤 macOS 在 exFAT / FAT / SMB 等文件系统上生成的 AppleDouble 文件
exclude_name_prefixes = (
    "._",
)

exclude_prefixes = [
    "data/picks/",
    "data/hdf5_hour_subsets/",
]


def should_upload(path: Path) -> bool:
    if not path.is_file():
        return False

    rel = path.relative_to(root_dir).as_posix()

    if any(part in exclude_dirs for part in path.parts):
        return False

    if path.name in exclude_names:
        return False

    if path.name.startswith(exclude_name_prefixes):
        return False

    if path.suffix in exclude_suffixes:
        return False

    for prefix in exclude_prefixes:
        if rel.startswith(prefix):
            return False

    return True


def read_manifest_files():
    if not manifest_path.exists():
        return None
    files = []
    files.append((manifest_path, manifest_path.as_posix()))
    with manifest_path.open("r", encoding="utf-8") as f:
        for line in f:
            if "  ./" not in line:
                continue
            rel = line.rstrip("\n").split("  ./", 1)[1]
            p = root_dir / rel
            if p.is_file():
                files.append((p, rel))
            else:
                print(f"[WARN] Manifest entry missing locally: {rel}")
    return files


def collect_files_from_tree():
    files = []
    for p in root_dir.rglob("*"):
        if should_upload(p):
            rel = p.relative_to(root_dir).as_posix()
            files.append((p, rel))
    return files


def collect_desired_files():
    manifest_files = read_manifest_files()
    if manifest_files is not None:
        return manifest_files
    return collect_files_from_tree()


def upload_one(item):
    local_path, remote_path = item
    api = HfApi()
    size_mb = local_path.stat().st_size / 1024 / 1024

    print(f"[UPLOAD START] {local_path} ({size_mb:.1f} MiB) -> {repo_id}/{remote_path}")

    try:
        api.upload_file(
            path_or_fileobj=str(local_path),
            path_in_repo=remote_path,
            repo_id=repo_id,
            repo_type=repo_type,
            commit_message=f"Upload {remote_path}",
        )
        return True, str(local_path), "OK"
    except Exception as e:
        return False, str(local_path), str(e)


def delete_extras(api: HfApi, desired_remote_paths):
    remote_files = set(api.list_repo_files(repo_id=repo_id, repo_type=repo_type))
    extras = sorted(remote_files - set(desired_remote_paths))
    if not extras:
        print("[INFO] No remote extras to delete.")
        return []

    print(f"[INFO] Remote extras to delete: {len(extras)}")
    for rel in extras:
        print(f"  - {rel}")

    operations = [CommitOperationDelete(path_in_repo=rel) for rel in extras]
    api.create_commit(
        repo_id=repo_id,
        repo_type=repo_type,
        operations=operations,
        commit_message="Remove files outside release manifest",
    )
    return extras


def needs_upload(rel, remote_files):
    if rel not in remote_files:
        return True
    if rel in force_update_paths:
        return True
    return rel.startswith(force_update_prefixes)


def main():
    create_repo(
        repo_id=repo_id,
        repo_type=repo_type,
        exist_ok=True,
    )

    api = HfApi()
    desired_files = collect_desired_files()
    desired_remote_paths = [rel for _, rel in desired_files]
    remote_files = set(api.list_repo_files(repo_id=repo_id, repo_type=repo_type))
    files_to_upload = [(p, rel) for p, rel in desired_files if needs_upload(rel, remote_files)]

    print(f"[INFO] Repo ready: {repo_id}")
    print(f"[INFO] Desired release files: {len(desired_files)}")
    print(f"[INFO] Remote files before upload: {len(remote_files)}")
    print(f"[INFO] Files to upload/update: {len(files_to_upload)}")
    for _, rel in files_to_upload:
        print(f"  - {rel}")

    failed = []

    with ThreadPoolExecutor(max_workers=max_workers) as executor:
        futures = {
            executor.submit(upload_one, item): item
            for item in files_to_upload
        }

        for future in as_completed(futures):
            ok, local_path, msg = future.result()

            if ok:
                print(f"[DONE] {local_path}")
            else:
                print(f"[FAILED] {local_path}")
                print(f"         {msg}")
                failed.append((local_path, msg))

    print("\n========== SUMMARY ==========")
    print(f"success: {len(files_to_upload) - len(failed)}")
    print(f"failed : {len(failed)}")

    if failed:
        print("\n失败文件：")
        for local_path, msg in failed:
            print(f"- {local_path}: {msg}")
    else:
        print("全部缺失文件上传完成。")

    if delete_remote_extras and not failed:
        deleted = delete_extras(api, desired_remote_paths)
        print(f"[INFO] Remote extras deleted: {len(deleted)}")


if __name__ == "__main__":
    main()