"""Explicit offline ASR build inputs; never package user recordings or caches."""
from pathlib import Path


def asr_build_inputs(project_root):
    from voice_transcription import _verified_model_directory
    from PyInstaller.utils.hooks import (
        collect_data_files, collect_dynamic_libs, collect_submodules,
        collect_delvewheel_libs_directory, copy_metadata,
    )
    model = _verified_model_directory(Path(project_root) / "assets/asr/faster-whisper-base")
    names = ("config.json", "model.bin", "tokenizer.json", "vocabulary.txt",
             "README.md", "LICENSE.whisper.txt", "manifest.json")
    datas = []
    for name in names:
        path = model / name
        if not path.is_file():
            raise FileNotFoundError("Offline ASR build file missing: " + name)
        datas.append((str(path), "assets/asr/faster-whisper-base"))
    # The VAD ONNX file must accompany faster_whisper.vad's __file__-based lookup.
    datas += collect_data_files("faster_whisper")
    binaries = collect_dynamic_libs("ctranslate2")
    datas, binaries = collect_delvewheel_libs_directory("av", datas=datas, binaries=binaries)
    hidden = ["voice_transcription", "pysilk.backends.cython._silk"]
    hidden += collect_submodules("faster_whisper") + collect_submodules("av")
    hidden += collect_submodules("pysilk", filter=lambda name: ".cffi" not in name)
    hidden += collect_submodules("ctranslate2", filter=lambda name: not name.startswith(
        ("ctranslate2.converters", "ctranslate2.specs")))
    for package in ("faster-whisper", "silk-python", "ctranslate2", "av", "tokenizers", "huggingface-hub"):
        datas += copy_metadata(package)
    return datas, binaries, sorted(set(hidden))