#!/usr/bin/env python3
"""Populate ./models from local silero wheel + Hugging Face snapshots (ASR/TTS only; needs network for HF)."""
from __future__ import annotations

import argparse
import importlib.resources as ir
import sys
from pathlib import Path

_ROOT = Path(__file__).resolve().parent.parent
_DEFAULT_ASR = _ROOT / "models" / "asr" / "SenseVoiceSmall"
_DEFAULT_KOKORO = _ROOT / "models" / "tts" / "Kokoro-82M"
_VAD_JIT = _ROOT / "models" / "vad" / "silero_vad.jit"


def _copy_silero_vad() -> None:
    _VAD_JIT.parent.mkdir(parents=True, exist_ok=True)
    src = ir.files("silero_vad.data").joinpath("silero_vad.jit")
    _VAD_JIT.write_bytes(src.read_bytes())
    print(f"VAD -> {_VAD_JIT}")


def main() -> int:
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument("--asr-repo", default="FunAudioLLM/SenseVoiceSmall")
    parser.add_argument("--kokoro-repo", default="hexgrad/Kokoro-82M")
    parser.add_argument("--asr-dir", type=Path, default=_DEFAULT_ASR)
    parser.add_argument("--kokoro-dir", type=Path, default=_DEFAULT_KOKORO)
    parser.add_argument("--asr-only", action="store_true")
    parser.add_argument("--kokoro-only", action="store_true")
    parser.add_argument("--skip-hf", action="store_true", help="Only copy Silero VAD from installed wheel")
    args = parser.parse_args()

    try:
        _copy_silero_vad()
    except Exception as exc:
        print(f"Silero VAD copy failed (pip install silero-vad): {exc}", file=sys.stderr)
        return 1

    if args.skip_hf:
        print("Done (HF skipped).")
        return 0

    try:
        from huggingface_hub import snapshot_download
    except ImportError:
        print("Install huggingface_hub for ASR/TTS downloads.", file=sys.stderr)
        return 1

    if not args.kokoro_only:
        args.asr_dir.mkdir(parents=True, exist_ok=True)
        print(f"ASR -> {args.asr_dir}")
        snapshot_download(repo_id=args.asr_repo, local_dir=str(args.asr_dir))
    if not args.asr_only:
        args.kokoro_dir.mkdir(parents=True, exist_ok=True)
        print(f"Kokoro -> {args.kokoro_dir}")
        snapshot_download(repo_id=args.kokoro_repo, local_dir=str(args.kokoro_dir))

    print("Done.")
    return 0


if __name__ == "__main__":
    raise SystemExit(main())