#!/bin/bash
# Author : Ismael Barros² <ismael@barros2.org>
# License : BSD http://en.wikipedia.org/wiki/BSD_license

pg4l_dir=$(dirname $(readlink -f $0))
. "$pg4l_dir/util.sh"

if [ -z "$*" ]; then
	echo "Usage: $0 <package>"
	exit
fi

OIFS=$IFS
NIFS=$'\n'
export _POSIX2_VERSION=199209 # Needed to unpack old loki packages

extract_property() {
	local property="$1"
	local file="$2"
	grep "$property:" "$file" | cut -d: -f2 | trimp
}

[ -z "$*" ] && {
	echo "Usage: "
	echo "  $0 <loki_installer.run> [options]"
	echo "Options:"
	echo "  --skip-extract: Skip extract of the makeself package"
	echo "  --skip-cleanup: Skip cleanup of temporal directories"
	echo "  --skip-appimage: Skip creation of AppImage"
	echo "  --loki-unpacker: Use loki installer to extract the package data"
}

EXTRACT=1
CLEANUP=1
APPIMAGE=1

for i in $@; do
        case $i in
                --skip-extract) EXTRACT=; shift ;;
                --skip-cleanup) CLEANUP=; shift ;;
                --skip-appimage) APPIMAGE=; shift ;;
		*) pkg=$i; shift ;;
	esac
done

[ -n "$pkg" ] || die "No loki installer specified"

target="$PWD/${pkg}_uncompressed"
appDirPath="$PWD/${pkg}.AppDir"

[ -d "$target" ] && rm -rI "$target"
[ -d "$appDirPath" ] && rm -rI "$appDirPath"

installScript=$(sh "$pkg" --info | tail -n2 | head -n1 | trimp)
[ -n "$installScript" ] || die "Could not find 'install script'"

if [ $EXTRACT ]; then
	echo
	echo "*** Running Loki installer, press 'n' twice when the installer asks you ***"
	echo
	sh "$pkg" --keep --target "$target" #|| die "Could not unpack package"
fi

cd "$target" || exit 1

configFile="patch.dat"
[ -n "$configFile" ] || die "Could not find config file"

# Find package name
packageName=$(extract_property "Component" "$configFile")
[ -n "$packageName" ] || packageName=$(extract_property "Description" "$configFile")
packageVersion=$(extract_property "Version" "$configFile")

[ -n "$packageName" ] || die "Could not find package name"
[ -n "$packageVersion" ] || die "Could not find package version"
echo "Package: $packageName $packageVersion ($packageExecutable)"

mv -v data/demos/* "$appDirPath" || die "Could not move data to AppDir"

cd "$appDirPath"
find -type f -exec bash -c "mv \"{}\" \"{}.gz\" && gunzip -vf \"{}.gz\" || mv \"{}.gz\" \"{}\""  ';'

packageExecutable=$(ls -1 *.x86 | head -n1)
[ -n "$packageVersion" ] || die "Could not find package executable"
chmod +x "$packageExecutable"
rm -vf *.sparc64 *.ppc *.alpha

$pg4l_dir/quickAppDir "$packageExecutable"
Suffix=-loki
desktopFile_setParameter "AppRun.desktop" "Name" "$packageName $packageVersion-r1$Suffix"
desktopFile_setParameter "AppRun.desktop" "X-AppImage-Title" "$packageName"
desktopFile_setParameter "AppRun.desktop" "X-AppImage-Version" "$packageVersion"
desktopFile_setParameter "AppRun.desktop" "X-AppImage-Release" "1"
desktopFile_setParameter "AppRun.desktop" "X-AppImage-SourcePackage" "$(basename "$pkg")"

#echo "Creating AppRun with Exec='$binFilename'..."
#$pg4l_dir/buildAppImage || die "Could not build AppImage"

if [ $CLEANUP ]; then
	echo "Removing $target"
	rm -rf "$target"
#	echo "Removing $appDirPath"
#	rm -rf "$appDirPath"
fi