#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
OnionShare | https://onionshare.org/

Copyright (C) 2014-2021 Micah Lee, et al. <micah@micahflee.com>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
"""
import os
import sys
import platform
import shutil
import cx_Freeze
from cx_Freeze import setup, Executable

# There's an obscure cx_Freeze bug that I'm hitting that's preventing the macOS
# package from getting built. This is some monkeypatching to fix it.

if platform.system() == "Darwin" or platform.system() == "Linux":
    import importlib_metadata
    import pathlib
    from pathlib import Path
    from tempfile import TemporaryDirectory

    class CustomPackagePath(pathlib.PurePosixPath):
        def __init__(self, filename):
            self.long_filename = str(filename)
            self.short_filename = "/".join(filename.as_posix().split("/")[-2:])
            super(CustomPackagePath, self).__init__()

        def read_text(self, encoding="utf-8"):
            with self.locate().open(encoding=encoding) as stream:
                return stream.read()

        def read_binary(self):
            with self.locate().open("rb") as stream:
                return stream.read()

        def locate(self):
            return Path(self.long_filename)

        def as_posix(self):
            return self.short_filename

    class DistributionCache(importlib_metadata.PathDistribution):
        _cachedir = TemporaryDirectory(prefix="cxfreeze-")

        @staticmethod
        def at(path):
            return DistributionCache(Path(path))

        at.__doc__ = importlib_metadata.PathDistribution.at.__doc__

        @classmethod
        def from_name(cls, name):
            distribution = super().from_name(name)
            temp_dir = Path(cls._cachedir.name)
            dist_dir = None
            files = distribution.files or []
            prep = importlib_metadata.Prepared(distribution.name)
            normalized = prep.normalized
            legacy_normalized = prep.legacy_normalized
            for file in files:
                # patch: the onionshare and onionshare_cli files are using absolute paths, which break everything
                if name in ["onionshare", "onionshare_cli"]:
                    if ".dist-info" not in file.as_posix():
                        continue

                    file = CustomPackagePath(file)

                if (
                    not file.match(f"{name}-*.dist-info/*")
                    and not file.match(f"{distribution.name}-*.dist-info/*")
                    and not file.match(f"{normalized}-*.dist-info/*")
                    and not file.match(f"{legacy_normalized}-*.dist-info/*")
                ):
                    continue
                src_path = file.locate()
                if not src_path.exists():
                    continue
                dst_path = temp_dir / file.as_posix()
                if dist_dir is None:
                    dist_dir = dst_path.parent
                    dist_dir.mkdir(exist_ok=True)
                shutil.copy2(src_path, dst_path)
            if dist_dir is None:
                raise importlib_metadata.PackageNotFoundError(name)
            return cls.at(dist_dir)

        from_name.__doc__ = importlib_metadata.PathDistribution.from_name.__doc__

    cx_Freeze.module.DistributionCache = DistributionCache


# Discover the version
with open(os.path.join("..", "cli", "onionshare_cli", "resources", "version.txt")) as f:
    version = f.read().strip()


# Build
include_files = [(os.path.join("..", "LICENSE"), "LICENSE")]

if platform.system() == "Windows":
    include_msvcr = True
    gui_base = "Win32GUI"
    exec_icon = os.path.join("onionshare", "resources", "onionshare.ico")

elif platform.system() == "Darwin":
    import PySide2
    import shiboken2

    include_msvcr = False
    gui_base = None
    exec_icon = None
    include_files += [
        (
            os.path.join(PySide2.__path__[0], "libpyside2.abi3.5.15.dylib"),
            "libpyside2.abi3.5.15.dylib",
        ),
        (
            os.path.join(shiboken2.__path__[0], "libshiboken2.abi3.5.15.dylib"),
            "libshiboken2.abi3.5.15.dylib",
        ),
    ]

elif platform.system() == "Linux":
    include_msvcr = False
    gui_base = None
    exec_icon = None

    if not shutil.which("patchelf"):
        print("Install the patchelf package")
        sys.exit()

setup(
    name="onionshare",
    version=version,
    description="Securely and anonymously share files, host websites, and chat with friends using the Tor network",
    options={
        # build_exe, for Windows and macOS
        "build_exe": {
            "packages": [
                "cffi",
                "engineio",
                "engineio.async_drivers.gevent",
                "engineio.async_drivers.gevent_uwsgi",
                "gevent",
                "jinja2.ext",
                "onionshare",
                "onionshare_cli",
                "PySide2",
                "PySide2.QtCore",
                "PySide2.QtGui",
                "PySide2.QtWidgets",
            ],
            "excludes": [
                "test",
                "tkinter",
                "PySide2.Qt3DAnimation",
                "PySide2.Qt3DCore",
                "PySide2.Qt3DExtras",
                "PySide2.Qt3DInput",
                "PySide2.Qt3DLogic",
                "PySide2.Qt3DRender",
                "PySide2.QtCharts",
                "PySide2.QtConcurrent",
                "PySide2.QtDataVisualization",
                "PySide2.QtHelp",
                "PySide2.QtLocation",
                "PySide2.QtMultimedia",
                "PySide2.QtMultimediaWidgets",
                "PySide2.QtNetwork",
                "PySide2.QtOpenGL",
                "PySide2.QtOpenGLFunctions",
                "PySide2.QtPositioning",
                "PySide2.QtPrintSupport",
                "PySide2.QtQml",
                "PySide2.QtQuick",
                "PySide2.QtQuickControls2",
                "PySide2.QtQuickWidgets",
                "PySide2.QtRemoteObjects",
                "PySide2.QtScript",
                "PySide2.QtScriptTools",
                "PySide2.QtScxml",
                "PySide2.QtSensors",
                "PySide2.QtSerialPort",
                "PySide2.QtSql",
                "PySide2.QtTest",
                "PySide2.QtTextToSpeech",
                "PySide2.QtUiTools",
                "PySide2.QtWebChannel",
                "PySide2.QtWebEngine",
                "PySide2.QtWebEngineCore",
                "PySide2.QtWebEngineWidgets",
                "PySide2.QtWebSockets",
                "PySide2.QtXml",
                "PySide2.QtXmlPatterns",
            ],
            "include_files": include_files,
            "include_msvcr": include_msvcr,
        },
        # bdist_mac, making the macOS app bundle
        "bdist_mac": {
            "iconfile": os.path.join("onionshare", "resources", "onionshare.icns"),
            "bundle_name": "OnionShare"
        },
    },
    executables=[
        Executable(
            "package/onionshare.py",
            base=gui_base,
            icon=exec_icon,
        ),
        Executable(
            "package/onionshare-cli.py",
            base=None,
            icon=exec_icon,
        ),
    ],
)