#!/usr/bin/python3
# -*- coding: utf-8 -*-
import argparse
import os
from pathlib import Path
import sys

pwd = os.path.abspath(os.path.dirname(__file__))
sys.path.append(os.path.join(pwd, "../../"))

import huggingface_hub

from project_settings import project_path


def get_args():
    parser = argparse.ArgumentParser()
    # parser.add_argument(
    #     "--repo_id",
    #     default="csukuangfj/wenet-chinese-model",
    #     # default="csukuangfj/wenet-english-model",
    #     type=str
    # )
    # parser.add_argument("--model_filename", default="final.zip", type=str)
    # parser.add_argument("--model_sub_folder", default=".", type=str)
    # parser.add_argument("--tokens_filename", default="units.txt", type=str)
    # parser.add_argument("--tokens_sub_folder", default=".", type=str)

    parser.add_argument(
        "--repo_id",
        default="luomingshuang/icefall_asr_wenetspeech_pruned_transducer_stateless2",
        type=str
    )
    parser.add_argument("--model_filename", default="cpu_jit_epoch_10_avg_2_torch_1.7.1.pt", type=str)
    parser.add_argument("--model_sub_folder", default="exp", type=str)
    parser.add_argument("--tokens_filename", default="tokens.txt", type=str)
    parser.add_argument("--tokens_sub_folder", default="data/lang_char", type=str)

    parser.add_argument(
        "--pretrained_model_dir",
        default=(project_path / "pretrained_models").as_posix(),
        type=str
    )
    args = parser.parse_args()
    return args


def main():
    args = get_args()

    pretrained_model_dir = Path(args.pretrained_model_dir)
    pretrained_model_dir.mkdir(exist_ok=True)

    repo_id: Path = Path(args.repo_id)
    if len(repo_id.parts) == 1:
        repo_name = repo_id.parts[-1]
        repo_name = repo_name[:30]
        folder = repo_name
    elif len(repo_id.parts) == 2:
        repo_supplier = repo_id.parts[-2]
        repo_name = repo_id.parts[-1]
        repo_name = repo_name[:30]
        folder = "{}/{}".format(repo_supplier, repo_name)
    else:
        raise AssertionError("repo_id parts count invalid: {}".format(len(repo_id.parts)))

    local_model_dir = pretrained_model_dir / "huggingface" / folder
    local_model_dir.mkdir(parents=True, exist_ok=True)

    print("download model")
    model_filename = huggingface_hub.hf_hub_download(
        repo_id=args.repo_id,
        filename=args.model_filename,
        subfolder=args.model_sub_folder,
        local_dir=local_model_dir.as_posix(),
    )
    print(model_filename)
    exit(0)

    print("download tokens")
    tokens_filename = huggingface_hub.hf_hub_download(
        repo_id=args.repo_id,
        filename=args.tokens_filename,
        subfolder=args.tokens_sub_folder,
        local_dir=local_model_dir.as_posix(),
    )
    print(tokens_filename)
    return


if __name__ == "__main__":
    main()