#
#    Copyright (C) 2012-2022 Carl Hetherington <cth@carlh.net>
#
#    This file is part of libdcp.
#
#    libdcp 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 2 of the License, or
#    (at your option) any later version.
#
#    libdcp 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 libdcp.  If not, see <http://www.gnu.org/licenses/>.
#
#    In addition, as a special exception, the copyright holders give
#    permission to link the code of portions of this program with the
#    OpenSSL library under certain conditions as described in each
#    individual source file, and distribute linked combinations
#    including the two.
#
#    You must obey the GNU General Public License in all respects
#    for all of the code used other than OpenSSL.  If you modify
#    file(s) with this exception, you may extend this exception to your
#    version of the file(s), but you are not obligated to do so.  If you
#    do not wish to do so, delete this exception statement from your
#    version.  If you delete this exception statement from all source
#    files in the program, then also delete it here.
#

import os
import shutil


option_defaults = { "mpeg2": True }


def build_with_cpp17(target):
    return (
        target.platform.startswith('osx') or
        (target.platform == 'linux' and target.distro == 'debian' and target.version == 'unstable') or
        (target.platform == 'linux' and target.distro == 'rocky' and target.version == '10')
    )

def dependencies(target, options, for_package):
    deps = [
        ('libcxml', 'v0.17.16', { 'c++17': build_with_cpp17(target) }),
        ('asdcplib', 'v1.0.9')
    ]

    if target.platform == 'linux':
        ffmpeg_options = { 'shared': False }
    else:
        ffmpeg_options = {}

    if target.platform != 'linux' or target.distro != 'arch' or not for_package:
        # Use distro-provided FFmpeg and openjpeg on Arch (except when packaging), otherwise our own
        if options['mpeg2']:
            deps.append(('ffmpeg', '2889a7bb300f5014cf5142ef8dcdad8faf33e417', ffmpeg_options))
        deps.append(('openjpeg', 'ad8edaacd54a862940d0a77c41ecda5858b54d6e'))

    return deps

def build(target, options, for_package, version):
    if for_package and target.platform == 'linux' and target.distro == 'arch':
        target.command('git clone https://aur.archlinux.org/libdcp.git')
        os.chdir('libdcp')
        target.command('sed -i "s/tag=v\${pkgver}/branch=main/" PKGBUILD')
        target.command('makepkg --skipinteg')
        target.command('sudo pacman --noconfirm -U libdcp*.zst')
    else:
        cmd = './waf configure --disable-examples --disable-dumpimage --disable-benchmarks --prefix=%s' % target.directory
        if not options['mpeg2']:
            cmd += ' --disable-mpeg2-transcode'
        if target.platform == 'linux':
            cmd += ' --static'
            if target.distro == 'debian' or (target.distro == 'centos' and target.version != 'stream10') or (target.distro == 'rocky' and target.version != '10') or target.distro == 'mageia':
                cmd += ' --disable-tests'
            if target.distro == 'ubuntu' and target.version == '16.04':
                cmd += ' --static-boost'
        elif target.platform == 'windows':
            cmd += f' --target-windows-{target.bits}'

        if ('c++17' in options and options['c++17']) or build_with_cpp17(target):
            cmd += ' --c++17'

        if target.debug:
            cmd += ' --enable-debug'

        target.command(cmd)
        target.command('./waf build install')

def package(target, version):
    if target.platform == 'windows':
        d = 'build/libdcp-%s' % version
        os.mkdir(d)
        for f in ['asdcp-carl.dll', 'cxml-0.dll', 'dcp-1.0.dll', 'kumu-carl.dll', 'libopenjp2.dll', 'dcpinfo.exe']:
            shutil.copyfile('%s/bin/%s' % (target.directory, f), os.path.join(d, f))

        if target.bits == 32:
            shutil.copyfile('%s/bin/libgcc_s_sjlj-1.dll' % target.windows_prefix, os.path.join(d, 'libgcc_s_sjlj-1.dll'))
        else:
            shutil.copyfile('%s/bin/libgcc_s_seh-1.dll' % target.windows_prefix, os.path.join(d, 'libgcc_s_seh-1.dll'))

        for f in ['libstdc++-6.dll', 'libboost_filesystem-mt.dll', 'libboost_system-mt.dll', 'libeay32.dll', 'libglibmm-2.4-1.dll', 'libxml++-2.6-2.dll',
                  'libxml2-2.dll', 'libxmlsec1-openssl.dll', 'libxmlsec1.dll', 'zlib1.dll', 'libglib-2.0-0.dll', 'libgmodule-2.0-0.dll', 'libgobject-2.0-0.dll',
                  'libsigc-2.0-0.dll', 'libiconv-2.dll', 'liblzma-5.dll', 'libxslt-1.dll', 'libintl-8.dll', 'libpcre-1.dll', 'libffi-6.dll']:
            shutil.copyfile('%s/bin/%s' % (target.windows_prefix, f), os.path.join(d, f))
        zip = 'libdcp-%s-windows-%d.zip' % (version, target.bits)
        target.command('cd build && zip -9 -r %s libdcp-%s' % (zip, version))
        return os.path.abspath('build/%s' % zip)

def make_doxygen(target):
    os.makedirs('build/doc')
    target.command('doxygen')
    return os.path.abspath('build/doc/html')

def test(target, options, test):
    target.set('LC_ALL', 'C')
    cmd = 'run\\tests ' if target.platform == 'windows' else 'run/tests '
    if target.environment_prefix:
        cmd += '-e %s' % target.environment_prefix
    if test is not None:
        cmd += '-t %s' % test
    target.command(cmd)