# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

import os
import shutil
import subprocess
import sys
import tempfile

import buildconfig
import mozpack.path as mozpath

from mozbuild.base import BuildEnvironmentNotFoundException


def archive_exe(pkg_dir, tagfile, sfx_package, package, use_upx):
    tmpdir = tempfile.mkdtemp(prefix="tmp")
    try:
        if pkg_dir:
            shutil.move(pkg_dir, "core")

        if use_upx:
            final_sfx = mozpath.join(tmpdir, "7zSD.sfx")
            upx = buildconfig.substs.get("UPX", "upx")
            wine = buildconfig.substs.get("WINE")
            if wine and upx.lower().endswith(".exe"):
                cmd = [wine, upx]
            else:
                cmd = [upx]
            subprocess.check_call(
                cmd
                + [
                    "--best",
                    "-o",
                    final_sfx,
                    sfx_package,
                ]
            )
        else:
            final_sfx = sfx_package

        try:
            sevenz = buildconfig.config.substs["7Z"]
        except BuildEnvironmentNotFoundException:
            # configure hasn't been run, just use the default
            sevenz = "7z"
        subprocess.check_call(
            [
                sevenz,
                "a",
                "-r",
                "-t7z",
                mozpath.join(tmpdir, "app.7z"),
                "-mx",
                "-m0=BCJ2",
                "-m1=LZMA:d25",
                "-m2=LZMA:d19",
                "-m3=LZMA:d19",
                "-mb0:1",
                "-mb0s1:2",
                "-mb0s2:3",
            ]
        )

        with open(package, "wb") as o:
            for i in [final_sfx, tagfile, mozpath.join(tmpdir, "app.7z")]:
                shutil.copyfileobj(open(i, "rb"), o)
        os.chmod(package, 0o0755)
    finally:
        if pkg_dir:
            shutil.move("core", pkg_dir)
        shutil.rmtree(tmpdir)


def main(args):
    if len(args) != 4:
        print(
            "Usage: exe_7z_archive.py <pkg_dir> <tagfile> <sfx_package> <package> <use_upx>",
            file=sys.stderr,
        )
        return 1
    else:
        archive_exe(args[0], args[1], args[2], args[3], args[4])
        return 0


if __name__ == "__main__":
    sys.exit(main(sys.argv[1:]))