#!/usr/bin/env python

############################################################################
# prepare.py
# Copyright (C) 2015  Belledonne Communications, Grenoble France
#
############################################################################
#
# 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 2
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#
############################################################################

import argparse
import os
import re
import shutil
import sys
from subprocess import Popen
sys.dont_write_bytecode = True
sys.path.insert(0, 'submodules/cmake-builder')
import prepare


class IOSTarget(prepare.Target):

	def __init__(self, arch):
		prepare.Target.__init__(self, 'ios-' + arch)
		current_path = os.path.dirname(os.path.realpath(__file__))
		self.config_file = 'configs/config-ios-' + arch + '.cmake'
		self.toolchain_file = 'toolchains/toolchain-ios-' + arch + '.cmake'
		self.output = 'liblinphone-sdk/' + arch + '-apple-darwin.ios'
		self.additional_args = [
			'-DLINPHONE_BUILDER_EXTERNAL_SOURCE_PATH=' +
			current_path + '/submodules'
		]

	def clean(self):
		if os.path.isdir('WORK'):
			shutil.rmtree(
				'WORK', ignore_errors=False, onerror=self.handle_remove_read_only)
		if os.path.isdir('liblinphone-sdk'):
			shutil.rmtree(
				'liblinphone-sdk', ignore_errors=False, onerror=self.handle_remove_read_only)


class IOSi386Target(IOSTarget):

	def __init__(self):
		IOSTarget.__init__(self, 'i386')


class IOSx8664Target(IOSTarget):

	def __init__(self):
		IOSTarget.__init__(self, 'x86_64')


class IOSarmv7Target(IOSTarget):

	def __init__(self):
		IOSTarget.__init__(self, 'armv7')


class IOSarm64Target(IOSTarget):

	def __init__(self):
		IOSTarget.__init__(self, 'arm64')


targets = {}
targets['i386'] = IOSi386Target()
targets['x86_64'] = IOSx8664Target()
targets['armv7'] = IOSarmv7Target()
targets['arm64'] = IOSarm64Target()

archs_device = ['arm64', 'armv7']
archs_simu = ['i386', 'x86_64']
platforms = ['all', 'devices', 'simulators'] + archs_device + archs_simu


class PlatformListAction(argparse.Action):

	def __call__(self, parser, namespace, values, option_string=None):
		if values:
			for value in values:
				if value not in platforms:
					message = ("invalid platform: {0!r} (choose from {1})".format(
						value, ', '.join([repr(platform) for platform in platforms])))
					raise argparse.ArgumentError(self, message)
			setattr(namespace, self.dest, values)


def warning(platforms):
	gpl_third_parties_enabled = False
	regex = re.compile("^ENABLE_GPL_THIRD_PARTIES:BOOL=ON")
	f = open(
		'WORK/ios-{arch}/cmake/CMakeCache.txt'.format(arch=platforms[0]), 'r')
	for line in f:
		if regex.match(line):
			gpl_third_parties_enabled = True
			break
	f.close()

	if gpl_third_parties_enabled:
		print("""
***************************************************************************
***************************************************************************
***** CAUTION, this liblinphone SDK is built using 3rd party GPL code *****
***** Even if you acquired a proprietary license from Belledonne      *****
***** Communications, this SDK is GPL and GPL only.                   *****
***** To disable 3rd party gpl code, please use:                      *****
***** $ ./prepare.py -DENABLE_GPL_THIRD_PARTIES=NO                    *****
***************************************************************************
***************************************************************************
""")
	else:
		print("""
*****************************************************************
*****************************************************************
***** Linphone SDK without 3rd party GPL software           *****
***** If you acquired a proprietary license from Belledonne *****
***** Communications, this SDK can be used to create        *****
***** a proprietary linphone-based application.             *****
*****************************************************************
*****************************************************************
""")


def extract_libs_list():
	l = []
	# name = libspeexdsp.a; path = "liblinphone-sdk/apple-darwin/lib/libspeexdsp.a"; sourceTree = "<group>"; };
	regex = re.compile("name = (lib(\S+)\.a); path = \"liblinphone-sdk/apple-darwin/")
	f = open('linphone.xcodeproj/project.pbxproj', 'r')
	lines = f.readlines()
	f.close()
	for line in lines:
		m = regex.search(line)
		if m is not None:
			l += [m.group(1)]
	return list(set(l))


def install_git_hook():
	git_hook_path = ".git{sep}hooks{sep}pre-commit".format(sep=os.sep)
	if os.path.isdir(".git{sep}hooks".format(sep=os.sep)) and not os.path.isfile(git_hook_path):
		print("Installing Git pre-commit hook")
		shutil.copyfile(".git-pre-commit", git_hook_path)
		os.chmod(git_hook_path, 0755)


def main(argv=None):
	if argv is None:
		argv = sys.argv
	argparser = argparse.ArgumentParser(
		description="Prepare build of Linphone and its dependencies.")
	argparser.add_argument(
		'-c', '-C', '--clean', help="Clean a previous build instead of preparing a build.", action='store_true')
	argparser.add_argument(
		'-d', '--debug', help="Prepare a debug build, eg. add debug symbols and use no optimizations.", action='store_true')
	argparser.add_argument(
		'-dv', '--debug-verbose', help="Activate ms_debug logs.", action='store_true')
	argparser.add_argument(
		'-f', '--force', help="Force preparation, even if working directory already exist.", action='store_true')
	argparser.add_argument('-L', '--list-cmake-variables',
						   help="List non-advanced CMake cache variables.", action='store_true',
						   dest='list_cmake_variables')
	argparser.add_argument('platform', nargs='*', action=PlatformListAction, default=[
						   'x86_64', 'devices'],
						   help="The platform to build for (default is 'x86_64 devices'). Space separated"
								" architectures in list: {0}.".format(', '.join([repr(platform) for platform in platforms])))
	args, additional_args = argparser.parse_known_args()

	install_git_hook()

	selected_platforms = []
	for platform in args.platform:
		if platform == 'all':
			selected_platforms += archs_device + archs_simu
		elif platform == 'devices':
			selected_platforms += archs_device
		elif platform == 'simulators':
			selected_platforms += archs_simu
		else:
			selected_platforms += [platform]
	selected_platforms = list(set(selected_platforms))

	retcode = 0
	makefile_platforms = []
	for platform in selected_platforms:
		target = targets[platform]

		if args.clean:
			target.clean()
		else:
			if args.debug_verbose:
				additional_args += ["-DENABLE_DEBUG_LOGS=YES"]
			retcode = prepare.run(
				target, args.debug, False, args.list_cmake_variables, args.force, additional_args)
			if retcode != 0:
				if retcode == 51:
					p = Popen(["make", "help-prepare-options"])
				return retcode
			makefile_platforms += [platform]

	if makefile_platforms:
		libs_list = extract_libs_list()
		packages = os.listdir('WORK/ios-' + makefile_platforms[0] + '/Build')
		packages.sort()
		arch_targets = ""
		for arch in makefile_platforms:
			arch_targets += """
{arch}: all-{arch}

package-in-list-%:
	if ! grep -q " $* " <<< " $(packages) "; then \\
		echo "$* not in list of available packages: $(packages)"; \\
		exit 3; \\
	fi

{arch}-build:
	@for package in $(packages); do \\
		$(MAKE) {arch}-build-$$package; \\
	done

{arch}-clean:
	@for package in $(packages); do \\
		$(MAKE) {arch}-clean-$$package; \\
	done

{arch}-veryclean:
	@for package in $(packages); do \\
		$(MAKE) {arch}-veryclean-$$package; \\
	done

{arch}-build-%: package-in-list-%
	rm -f WORK/ios-{arch}/Stamp/EP_$*/EP_$*-update; \\
	$(MAKE) -C WORK/ios-{arch}/cmake EP_$*

{arch}-clean-%: package-in-list-%
	$(MAKE) -C WORK/ios-{arch}/Build/$* clean; \\
	rm -f WORK/ios-{arch}/Stamp/EP_$*/EP_$*-build; \\
	rm -f WORK/ios-{arch}/Stamp/EP_$*/EP_$*-install;

{arch}-veryclean-%: package-in-list-%
	cat WORK/ios-{arch}/Build/$*/install_manifest.txt | xargs rm; \\
	rm -rf WORK/ios-{arch}/Build/$*/*; \\
	rm -f WORK/ios-{arch}/Stamp/EP_$*/*; \\
	echo "Run 'make {arch}-build-$*' to rebuild $* correctly.";

{arch}-veryclean-ffmpeg:
	$(MAKE) -C WORK/ios-{arch}/Build/ffmpeg uninstall; \\
	rm -rf WORK/ios-{arch}/Build/ffmpeg/*; \\
	rm -f WORK/ios-{arch}/Stamp/EP_ffmpeg/*; \\
	echo "Run 'make {arch}-build-ffmpeg' to rebuild ffmpeg correctly.";

{arch}-clean-openh264:
	cd WORK/ios-{arch}/Build/openh264; \\
	$(MAKE) -f ../../../../submodules/externals/openh264/Makefile clean; \\
	rm -f WORK/ios-{arch}/Stamp/EP_openh264/EP_openh264-build; \\
	rm -f WORK/ios-{arch}/Stamp/EP_openh264/EP_openh264-install;

{arch}-veryclean-openh264:
	rm -rf liblinphone-sdk/{arch}-apple-darwin.ios/include/wels; \\
	rm -f liblinphone-sdk/{arch}-apple-darwin.ios/lib/libopenh264.*; \\
	rm -rf WORK/ios-{arch}/Build/openh264/*; \\
	rm -f WORK/ios-{arch}/Stamp/EP_openh264/*; \\
	echo "Run 'make {arch}-build-openh264' to rebuild openh264 correctly.";

{arch}-veryclean-vpx:
	rm -rf liblinphone-sdk/{arch}-apple-darwin.ios/include/vpx; \\
	rm -f liblinphone-sdk/{arch}-apple-darwin.ios/lib/libvpx.*; \\
	rm -rf WORK/ios-{arch}/Build/vpx/*; \\
	rm -f WORK/ios-{arch}/Stamp/EP_vpx/*; \\
	echo "Run 'make {arch}-build-vpx' to rebuild vpx correctly.";
""".format(arch=arch)
		multiarch = ""
		for arch in makefile_platforms[1:]:
			multiarch += \
				"""		if test -f "$${arch}_path"; then \\
			all_paths=`echo $$all_paths $${arch}_path`; \\
			all_archs="$$all_archs,{arch}" ; \\
		else \\
			echo "WARNING: archive `basename $$archive` exists in {first_arch} tree but does not exists in {arch} tree: $${arch}_path."; \\
		fi; \\
""".format(first_arch=makefile_platforms[0], arch=arch)
		makefile = """
archs={archs}
packages={packages}
libs_list={libs_list}
LINPHONE_IPHONE_VERSION=$(shell git describe --always)

.PHONY: all

all: build

{arch_targets}
all-%:
	@for package in $(packages); do \\
		rm -f WORK/ios-$*/Stamp/EP_$$package/EP_$$package-update; \\
	done
	$(MAKE) -C WORK/ios-$*/cmake

build-%: package-in-list-%
	@for arch in $(archs); do \\
		echo "==== starting build of $* for arch $$arch ===="; \\
		$(MAKE) $$arch-build-$*; \\
	done

clean-%: package-in-list-%
	@for arch in $(archs); do \\
		echo "==== starting clean of $* for arch $$arch ===="; \\
		$(MAKE) $$arch-clean-$*; \\
	done

veryclean-%: package-in-list-%
	@for arch in $(archs); do \\
		echo "==== starting veryclean of $* for arch $$arch ===="; \\
		$(MAKE) $$arch-veryclean-$*; \\
	done; \\
	echo "Run 'make build-$*' to rebuild $* correctly."

build: libs sdk

clean: $(addprefix clean-,$(packages))

veryclean: $(addprefix veryclean-,$(packages))

libs: $(addprefix all-,$(archs))
	archives=`find liblinphone-sdk/{first_arch}-apple-darwin.ios -name *.a` && \\
	mkdir -p liblinphone-sdk/apple-darwin && \\
	cp -rf liblinphone-sdk/{first_arch}-apple-darwin.ios/include liblinphone-sdk/apple-darwin/. && \\
	cp -rf liblinphone-sdk/{first_arch}-apple-darwin.ios/share liblinphone-sdk/apple-darwin/. && \\
	for archive in $$archives ; do \\
		armv7_path=`echo $$archive | sed -e "s/{first_arch}/armv7/"`; \\
		arm64_path=`echo $$archive | sed -e "s/{first_arch}/arm64/"`; \\
		i386_path=`echo $$archive | sed -e "s/{first_arch}/i386/"`; \\
		x86_64_path=`echo $$archive | sed -e "s/{first_arch}/x86_64/"`; \\
		destpath=`echo $$archive | sed -e "s/-debug//" | sed -e "s/{first_arch}-//" | sed -e "s/\.ios//"`; \\
		all_paths=`echo $$archive`; \\
		all_archs="{first_arch}"; \\
		mkdir -p `dirname $$destpath`; \\
		{multiarch} \\
		echo "[$$all_archs] Mixing `basename $$archive` in $$destpath"; \\
		lipo -create $$all_paths -output $$destpath; \\
	done && \\
	for lib in {libs_list} ; do \\
		if [ $${{lib:0:5}} = "libms" ] ; then \\
			library_path=liblinphone-sdk/apple-darwin/lib/mediastreamer/plugins/$$lib ; \\
		else \\
			library_path=liblinphone-sdk/apple-darwin/lib/$$lib ; \\
		fi ; \\
		if ! test -f $$library_path ; then \\
			echo "[$$all_archs] Generating dummy $$lib static library." ; \\
			cp -f submodules/binaries/libdummy.a $$library_path ; \\
		fi \\
	done

ipa: build
	xcodebuild -configuration Release \\
	&& xcrun -sdk iphoneos PackageApplication -v build/Release-iphoneos/linphone.app -o linphone-iphone.ipa

sdk: libs
	echo "Generating SDK zip file for version $(LINPHONE_IPHONE_VERSION)"
	zip -r liblinphone-iphone-sdk-$(LINPHONE_IPHONE_VERSION).zip \\
	liblinphone-sdk/apple-darwin \\
	liblinphone-tutorials \\
	-x liblinphone-tutorials/hello-world/build\* \\
	-x liblinphone-tutorials/hello-world/hello-world.xcodeproj/*.pbxuser \\
	-x liblinphone-tutorials/hello-world/hello-world.xcodeproj/*.mode1v3

pull-transifex:
	tx pull -af

push-transifex:
	&& ./Tools/generate_strings_files.sh && tx push -s -t -f --no-interactive

zipres:
	@tar -czf ios_assets.tar.gz Resources iTunesArtwork

help-prepare-options:
	@echo "prepare.py was previously executed with the following options:"
	@echo "   {options}"

help: help-prepare-options
	@echo ""
	@echo "(please read the README.md file first)"
	@echo ""
	@echo "Available architectures: {archs}"
	@echo "Available packages: {packages}"
	@echo ""
	@echo "Available targets:"
	@echo ""
	@echo "   * all       : builds all architectures and creates the liblinphone sdk"
	@echo "   * zipres    : creates a tar.gz file with all the resources (images)"
	@echo ""
	@echo "=== Advanced usage ==="
	@echo ""
	@echo "   *            build-[package] : builds the package for all architectures"
	@echo "   *            clean-[package] : clean the package for all architectures"
	@echo ""
	@echo "   *     [{arch_opts}]-build-[package] : builds a package for the selected architecture"
	@echo "   *     [{arch_opts}]-clean-[package] : clean the package for the selected architecture"
	@echo ""
	@echo "   * sdk  : re-add all generated libraries to the SDK. Use this only after a full build."
	@echo "   * libs : after a rebuild of a subpackage, will mix the new libs in liblinphone-sdk/apple-darwin directory"
""".format(archs=' '.join(makefile_platforms), arch_opts='|'.join(makefile_platforms),
			first_arch=makefile_platforms[0], options=' '.join(sys.argv),
		   arch_targets=arch_targets, packages=' '.join(packages), libs_list=' '.join(libs_list), multiarch=multiarch)
		f = open('Makefile', 'w')
		f.write(makefile)
		f.close()
		warning(makefile_platforms)
	elif os.path.isfile('Makefile'):
		os.remove('Makefile')

	return retcode

if __name__ == "__main__":
	sys.exit(main())