# ------------------------------------------------------------------
# Copyright (c) 2024 PyInstaller Development Team.
#
# This file is distributed under the terms of the GNU General Public
# License (version 2.0 or later).
#
# The full license is available in LICENSE, distributed with
# this software.
#
# SPDX-License-Identifier: GPL-2.0-or-later
# ------------------------------------------------------------------

from PyInstaller.utils.hooks import is_module_satisfies, collect_data_files

hiddenimports = []
datas = []

# In pydicom 3.0.0, the `pydicom.encoders` plugins were renamed to `pydicom.pixels.encoders`, and
# `pydicom.pixels.decoders` were also added. We need to collect them all, because they are loaded during
# `pydicom` module initialization. We intentionally avoid using `collect_submodules` here, because that causes
# import of `pydicom` with logging framework initialized, which results in error tracebacks being logged for all plugins
# with missing libraries (see https://github.com/pydicom/pydicom/issues/2128).
if is_module_satisfies('pydicom >= 3.0.0'):
    hiddenimports += [
        "pydicom.pixels.decoders.gdcm",
        "pydicom.pixels.decoders.pylibjpeg",
        "pydicom.pixels.decoders.pillow",
        "pydicom.pixels.decoders.pyjpegls",
        "pydicom.pixels.decoders.rle",
        "pydicom.pixels.encoders.gdcm",
        "pydicom.pixels.encoders.pylibjpeg",
        "pydicom.pixels.encoders.native",
        "pydicom.pixels.encoders.pyjpegls",
    ]

    # With pydicom 3.0.0, initialization of `pydicom` (unnecessarily) imports `pydicom.examples`, which attempts to set
    # up several test datasets: https://github.com/pydicom/pydicom/blob/v3.0.0/src/pydicom/examples/__init__.py#L10-L24
    # Some of those are bundled with the package itself, some are downloaded (into `.pydicom/data` directory in user's
    # home directory) on he first `pydicom.examples` import.
    #
    # The download code requires `pydicom/data/urls.json` and `pydicom/data/hashes.json`; the lack of former results in
    # run-time error, while the lack of latter results in warnings about dataset download failure.
    #
    # The test data files that are bundled with the package are not listed in `urls.json`, so if they are missing, there
    # is not attempt to download them. Therefore, try to get away without collecting them here - if anyone actually
    # requires them in the frozen application, let them explicitly collect them.
    additional_data_patterns = [
        'urls.json',
        'hashes.json',
    ]
else:
    hiddenimports += [
        "pydicom.encoders.gdcm",
        "pydicom.encoders.pylibjpeg",
        "pydicom.encoders.native",
    ]
    additional_data_patterns = []

# Collect data files from `pydicom.data`; charset files and palettes might be needed during processing, so always
# collect them. Some other data files became required in v3.0.0 - the corresponding patterns are set accordingly in
# `additional_data_patterns` in the above if/else block.
datas += collect_data_files(
    'pydicom.data',
    includes=[
        'charset_files/*',
        'palettes/*',
        *additional_data_patterns,
    ],
)