import logging
import os
import argparse
from tqdm import tqdm
from huggingface_hub import HfApi, CommitOperationAdd
from pathlib import Path

def get_all_file(directory: str) -> list:
    logging.warning(f"获取 {directory} 中的所有文件绝对路径中")
    file_list = []
    for dirname, _, filenames in os.walk(directory):
        for filename in filenames:
            file_list.append(Path(os.path.join(dirname, filename)).as_posix())
    logging.warning(f"{directory} 已有的文件数量: {len(file_list)}")
    return file_list


def filter_file(file_list: list, root_path) -> list:
    logging.warning("过滤文件中")
    file_list_ = []
    for file_path in file_list:
        rel_path = Path(os.path.relpath(file_path, root_path)).as_posix()
        if rel_path.startswith(".git") or rel_path.startswith(".huggingface"):
            continue
        file_list_.append(file_path)
    logging.warning(f"过滤后的文件数量: {len(file_list_)}")
    return file_list_


def get_hf_repo_file_list(hf_access_token, repo, repo_type):
    logging.warning(f"获取 {repo} 中的所有文件路径中")
    api = HfApi()
    model_list = api.list_repo_files(
        repo_id = repo,
        repo_type = repo_type,
        token = hf_access_token
    )
    logging.warning(f"{repo} 已有的文件数量: {len(model_list)}")
    return model_list


def get_upload_list(file_list: list, hf_file_list: list, root_path) -> list:
    logging.warning("计算需要上传的文件中")
    upload_list = []
    for file_path in file_list:
        file_rel_path = Path(os.path.relpath(file_path, root_path)).as_posix()
        if file_rel_path not in hf_file_list:
            upload_list.append(file_path)
    
    logging.warning(f"需要上传的文件数量: {len(upload_list)}")
    return upload_list


def upload_file_to_hf(hf_access_token: str, repo: str, repo_type: str, upload_file_list: list, root_path) -> None:
    # 验证 HF Token
    api = HfApi()
    try:
        api.whoami(token = hf_access_token)
        logging.warning("HuggingFace Token 验证成功")
    except Exception as e:
        logging.warning("HuggingFace Token 验证失败: ", e)

    # 添加文件操作
    operations = []
    for local_file_path in tqdm(upload_file_list, desc="添加文件"):
        hf_file_path = Path(os.path.relpath(local_file_path, root_path)).as_posix() # 计算在 HuggingFace 仓库中的相对路径

        operations.append(CommitOperationAdd(path_in_repo = hf_file_path, path_or_fileobj = local_file_path))

    try:
        api.create_commit(
            repo_id = repo,
            operations = operations,
            commit_message = f"upload",
            repo_type = repo_type,
            token = hf_access_token
        )
        logging.warning("上传文件结束")
    except:
        logging.error("上传文件出错")


def get_args():
    parser = argparse.ArgumentParser()
    normalized_filepath = lambda filepath: str(Path(filepath).absolute().as_posix())

    parser.add_argument("--hf-token", type = str, default = None, help = "huggingFace Token")
    parser.add_argument("--repo", type = str, default = None, help = "仓库的名称")
    parser.add_argument("--repo-type", type = str, default = None, help = "HuggingFace 仓库的种类, 如: model, dataset")
    parser.add_argument("--upload-path", type = normalized_filepath, default = None, help = "本地要上传文件的路径")

    return parser.parse_args()


def main():
    args = get_args()

    if args.hf_token is None:
        logging.error("缺失 HF Token")
        return
    else:
        hf_token = args.hf_token

    if args.repo is None:
        logging.error("未填写仓库名称")
        return
    else:
        repo = args.repo

    if args.repo_type is None:
        logging.error("缺少仓库种类")
        return
    else:
        repo_type = args.repo_type
    
    if args.upload_path is None:
        root_path = Path(os.path.abspath(__file__)).parent.as_posix()
    else:
        root_path = args.upload_path

    logging.warning(f"repo: {repo}")
    logging.warning(f"repo_type: {repo_type}")
    logging.warning(f"root_path: {root_path}")

    all_file_list = get_all_file(root_path) # 本地所有文件的绝对路径
    filtered_file_list = filter_file(all_file_list, root_path) # 除去不需要上传的文件
    hf_file_list = get_hf_repo_file_list(hf_access_token = hf_token, repo = repo, repo_type = repo_type) # 获取 HuggingFace 中的文件列表
    upload_file_list = get_upload_list(filtered_file_list, hf_file_list, root_path) # 获取需要上传的文件列表

    upload_file_to_hf(
        hf_access_token = hf_token,
        repo = repo,
        repo_type = repo_type,
        upload_file_list = upload_file_list,
        root_path = root_path)


main()