#!/usr/bin/env bash

#############################################################################
##
##   Release build script
##   Last updated on December 27, 2025
##
##   This file is part of Logtalk <https://logtalk.org/>
##   SPDX-FileCopyrightText: 1998-2025 Paulo Moura <pmoura@logtalk.org>
##   SPDX-License-Identifier: Apache-2.0
##
##   Licensed under the Apache License, Version 2.0 (the "License");
##   you may not use this file except in compliance with the License.
##   You may obtain a copy of the License at
##
##       http://www.apache.org/licenses/LICENSE-2.0
##
##   Unless required by applicable law or agreed to in writing, software
##   distributed under the License is distributed on an "AS IS" BASIS,
##   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
##   See the License for the specific language governing permissions and
##   limitations under the License.
##
#############################################################################


# Default values for build options
BUILD_DEB=true
BUILD_RPM=true
BUILD_PKG=true
BUILD_MANUALS=true
BUILD_PACK=true
BUILD_PACK_EXPERIMENTAL=true

# Default git repository URL
GIT_REPO_URL="https://github.com/LogtalkDotOrg/logtalk3.git"

# Function to display help message
show_help() {
	echo "Usage: $0 [options]"
	echo ""
	echo "Options:"
	echo "  --help                   Display this help message"
	echo "  --no-deb                 Skip building the .deb installer (Debian/Ubuntu)"
	echo "  --no-rpm                 Skip building the .rpm installer (Red Hat/Fedora/CentOS)"
	echo "  --no-pkg                 Skip building the .pkg installer (macOS)"
	echo "  --no-manuals             Skip building the manuals archive"
	echo "  --no-pack                Skip building the pack archive"
	echo "  --no-pack-experimental   Skip building the pack-experimental archive"
	echo "  --git-repo-url=URL       Specify the git repository URL to clone from"
	echo "                           (default: $GIT_REPO_URL)"
	echo ""
	echo "By default, all components are built."
	exit 0
}

# Parse command line arguments
while [ $# -gt 0 ]; do
	case "$1" in
		--help)
			show_help
			;;
		--no-deb)
			BUILD_DEB=false
			;;
		--no-rpm)
			BUILD_RPM=false
			;;
		--no-pkg)
			BUILD_PKG=false
			;;
		--no-manuals)
			BUILD_MANUALS=false
			;;
		--no-pack)
			BUILD_PACK=false
			;;
		--no-pack-experimental)
			BUILD_PACK_EXPERIMENTAL=false
			;;
		--git-repo-url=*)
			GIT_REPO_URL="${1#*=}"
			;;
		*)
			echo "Unknown option: $1"
			echo "Use --help for usage information."
			exit 1
			;;
	esac
	shift
done

echo "Cloning from repository: $GIT_REPO_URL"
git clone --depth=1 "$GIT_REPO_URL" lgtclone
version=$(sed -e 's/-.*$//' < lgtclone/VERSION.txt)
mv lgtclone "logtalk-$version"

directory=$(PWD)

# Build manuals archive if enabled
if [ "$BUILD_MANUALS" = true ]; then
	echo "Building manuals archive..."
	# Ensure that the Handbook and APIs documentation is up-to-date
	# and all output formats are generated
	"logtalk-$version"/docs/handbook/sources/build.sh
	"logtalk-$version"/docs/apis/sources/build.sh
	"logtalk-$version"/docs/apis/sources/update_svg_diagrams.sh
	cp -R "logtalk-$version/docs" "logtalk-manuals-$version"
	tar -czf "logtalk-manuals-$version.tgz" "logtalk-manuals-$version"
else
	echo "Skipping manuals archive build."
fi

# Clean the distribution directory now that we no longer need .git
# for generating the diagrams (which use the last commit git hash)
cd "logtalk-$version" || exit 1
chmod a+x scripts/cleandist.sh
scripts/cleandist.sh
cd ..

tar -cjf "logtalk-$version.tar.bz2" "logtalk-$version"

# Build pack archive if enabled
if [ "$BUILD_PACK" = true ]; then
	echo "Building pack archive..."
	cp -R "logtalk-$version/scripts/pack" "pack-$version"
	cp -R "logtalk-$version" "pack-$version/logtalk"
	mv "pack-$version/settings.lgt" "pack-$version/logtalk/logtalk-$version"
	cd "pack-$version" || exit 1
	tar zcvf "logtalk-$version.tgz" logtalk
	mv "logtalk-$version.tgz" ..
	cd ..
else
	echo "Skipping pack archive build."
fi

# Build pack-experimental archive if enabled
if [ "$BUILD_PACK_EXPERIMENTAL" = true ]; then
	echo "Building pack-experimental archive..."
	cp -R "logtalk-$version/scripts/pack-experimental" "pack-experimental-$version"
	cp -R "logtalk-$version" "pack-experimental-$version/logtalk"
	mv "pack-experimental-$version/settings.lgt" "pack-experimental-$version/logtalk/logtalk-$version"
	cd "pack-experimental-$version" || exit 1
	tar zcvf "logtalk-experimental-$version.tgz" logtalk
	mv "logtalk-experimental-$version.tgz" ..
	cd ..
else
	echo "Skipping pack-experimental archive build."
fi

# Build .deb installer if enabled
if [ "$BUILD_DEB" = true ]; then
	echo "Building .deb installer..."
	rm -rf debian
	mkdir -p debian/usr/bin
	mkdir -p debian/usr/share/doc/logtalk
	mkdir -p debian/usr/share/doc-base
	mkdir -p debian/usr/share/menu
	mkdir -p debian/DEBIAN
	cd "logtalk-$version/scripts" || exit 1
	./install.sh -p "$directory/debian/usr"
	rm -rf "$directory/debian/usr/share/mime"
	cp debian/logtalk.doc-base "$directory/debian/usr/share/doc-base/logtalk-docs"
	cp debian/menu "$directory/debian/usr/share/menu/logtalk"
	cp ../*.bib "$directory/debian/usr/share/doc/logtalk"
	cp ../*.txt "$directory/debian/usr/share/doc/logtalk"
	cp debian/copyright "$directory/debian/usr/share/doc/logtalk"
	cp debian/changelog "$directory/debian/usr/share/doc/logtalk"
	cp debian/changelog.Debian "$directory/debian/usr/share/doc/logtalk"
	gzip --best "$directory/debian/usr/share/doc/logtalk"/*.bib
	gzip --best "$directory/debian/usr/share/doc/logtalk"/*.txt
	gzip --best "$directory/debian/usr/share/doc/logtalk/changelog"
	gzip --best "$directory/debian/usr/share/doc/logtalk/changelog.Debian"
	cp debian/control "$directory/debian/DEBIAN"
	# Use appropriate sed syntax based on the system
	case $(sed --help 2>&1) in
		*GNU*) sed -i "s/^Version:.*/Version: $version/" "$directory/debian/DEBIAN/control" ;;
		*) sed -i '' "s/^Version:.*/Version: $version/" "$directory/debian/DEBIAN/control" ;;
	esac
	cp debian/postinst "$directory/debian/DEBIAN"
	cp debian/prerm "$directory/debian/DEBIAN"
	cp debian/postrm "$directory/debian/DEBIAN"
	cd "$directory" || exit 1
	dpkg-deb --build debian "logtalk_$version-1_all.deb"
else
	echo "Skipping .deb installer build."
fi

# Build .pkg installer if enabled
if [ "$BUILD_PKG" = true ]; then
	echo "Building macOS .pkg installer using pkgbuild/productbuild..."
	PKG_BUILD_DIR="$directory/build_pkg_$version"
	PAYLOAD_DIR="$PKG_BUILD_DIR/payload"
	SCRIPTS_DIR="$PKG_BUILD_DIR/scripts"
	COMPONENT_PKG="$directory/logtalk-$version-component.pkg"
	PRODUCT_PKG="$directory/logtalk-$version.pkg"
	ZIP_PKG="$PRODUCT_PKG.zip"
	rm -rf "$PKG_BUILD_DIR" "$COMPONENT_PKG" "$PRODUCT_PKG" "$ZIP_PKG"
	# Copy distribution into payload (exclude build artifacts)
	mkdir -p "$PAYLOAD_DIR/opt/local/share"
	cd "logtalk-$version/scripts" || exit 1
	./install.sh -p "$PAYLOAD_DIR/opt/local"
	cd "$directory" || exit 1
	# Prepare the installer resources
	mkdir -p "$PKG_BUILD_DIR/resources"
	cp "$directory/logtalk-$version/scripts/macos"/*.html "$PKG_BUILD_DIR/resources/"
	cp "$directory/logtalk-$version/scripts/macos/distribution.xml" "$PKG_BUILD_DIR/"
	sed -i '' "s/VERSION/$version/" "$PKG_BUILD_DIR/distribution.xml"
	# Prepare installer scripts
	mkdir -p "$SCRIPTS_DIR"
	cp "$directory/logtalk-$version/scripts/macos/postflight" "$SCRIPTS_DIR/postinstall"
	chmod +x "$SCRIPTS_DIR/postinstall"
	# Build component package
	pkgbuild --root "$PAYLOAD_DIR" --scripts "$SCRIPTS_DIR" --identifier "org.logtalk.logtalk" --version "$version" "$COMPONENT_PKG"
	# Build product package (single component)
	productbuild --distribution "$PKG_BUILD_DIR/distribution.xml" --resources "$PKG_BUILD_DIR/resources" --package-path "$PKG_BUILD_DIR" "$PRODUCT_PKG"
	# Zip the package to match previous output naming used by the release script
	if [ -f "$PRODUCT_PKG" ]; then
		(cd "$directory" && zip -r "$(basename "$ZIP_PKG")" "$(basename "$PRODUCT_PKG")" >/dev/null)
	fi
	echo "Created $PRODUCT_PKG and $ZIP_PKG"
else
	echo "Skipping .pkg installer build."
fi

# Build .rpm installer if enabled
if [ "$BUILD_RPM" = true ]; then
	echo "Building .rpm installer..."
	cd "$directory/logtalk-$version/scripts/linux" || exit 1
	./build_rpm.sh
	mv "$HOME"/rpmbuild/RPMS/noarch/logtalk-*.rpm "$directory"
else
	echo "Skipping .rpm installer build."
fi

cd "$directory" || exit 1

openssl sha256 logtalk-$version.tar.bz2 || true
if [ "$BUILD_PKG" = true ]; then
	openssl sha256 logtalk-$version.pkg.zip || true
fi
if [ "$BUILD_RPM" = true ]; then
	openssl sha256 logtalk-$version-1.noarch.rpm || true
fi
if [ "$BUILD_DEB" = true ]; then
	openssl sha256 logtalk_$version-1_all.deb || true
fi
if [ "$BUILD_MANUALS" = true ]; then
	openssl sha256 logtalk-manuals-$version.tgz || true
fi
if [ -f "logtalk-$version.exe" ]; then
	openssl sha256 logtalk-$version.exe || true
fi
if [ "$BUILD_PACK" = true ]; then
	openssl sha256 logtalk-$version.tgz || true
fi
if [ "$BUILD_PACK_EXPERIMENTAL" = true ]; then
	openssl sha256 logtalk-experimental-$version.tgz || true
fi