#!/bin/bash --

# options:
#    make, ant, byhand
#    app, library

COMPAT=10
STANDARDS=4.1.2

set -e

. /usr/share/javahelper/jh_lib.sh

syntax()
{
   echo -e "Usage: jh_makepkg [options]"
   echo -e "Options:"
   echo -e "\t-h --help: show this text"
   echo -e "\t-V --version: show the version"
   echo -e "\t-p<name> --package=<name>: Set the name of the package (defaults to directory name without version)"
   echo -e "\t-m<name> --maintainer=<name>: Set the maintainer name (defaults to DEBFULLNAME, NAME, or the user's full name)"
   echo -e "\t-e<email> --email=<email>: Set the maintainer email (defaults to DEBEMAIL EMAIL or user@host)"
   echo -e "\t-v<version> --upstream=<version>: Set the upstream version (defaults to the directory name after a -)"
   echo -e "\t-c --clean: Tidy up common problems with Java source packages. Removes .class, .jar files and pre-built javadoc trees before creating the orig.tar.gz"
   echo -e "\tPick One:"
   echo -e "\t-l --library: This is a library package"
   echo -e "\t-a --app: This is an application package"
   echo -e "\tPick One:"
   echo -e "\t-t --ant: Builds with ant"
   echo -e "\t-k --makefiles: Builds with make"
   echo -e "\t-n --none: Create own buildsystem"
   echo -e "\tPick One:"
   echo -e "\t-d --default: Build with default free platform compiler"
   echo -e "\t-o --openjdk: Build with openjdk 6"
   echo -e "\t-o7 --openjdk7: Build with openjdk 7"
   echo -e "\t-o8 --openjdk8: Build with openjdk 8"
   echo -e "\t-o9 --openjdk9: Build with openjdk 9"
   echo -e "\t-o10 --openjdk10: Build with openjdk 10"
   echo -e "\t-o11 --openjdk11: Build with openjdk 11"
   echo -e "Environment Variables:"
   echo -e "\tDEBEMAIL: Default maintainer email address"
   echo -e "\tEMAIL: Default maintainer email address"
   echo -e "\tDEBFULLNAME: Default maintainer name"
   echo -e "\tNAME: Default maintainer name"
   exit 1
}

ARGS="c clean p package m maintainer e email v upstream l library a app t ant k makefile n none o openjdk o7 openjdk7 o8 openjdk8 o9 openjdk9 o10 openjdk10 o11 openjdk11 d default" parseargs "$@"

BUILDDIR="`pwd`"

if [ -z "`getarg v upstream`" ]; then
   VERSION="`basename "$BUILDDIR" | sed -n 's/^.*-//p'`"
else
   VERSION="`getarg v upstream`"
fi
if [ -z "`getarg p package`" ]; then
   PACKAGE="`basename "$BUILDDIR" | sed -n 's/\(-.*\)\{0,1\}$//p'`"
else
   PACKAGE="`getarg p package`"
fi

if [ -z "$VERSION" ]; then
   echo "Can't determine version from directory name `basename "$BUILDDIR"`, maybe it is not in the form package-version?"
   exit 1
fi

if [ -z "$PACKAGE" ]; then
   echo "Can't determine package name from directory name `basename "$BUILDDIR"`, maybe it is not in the form package-version?"
   exit 1
fi

if [ ! -f ../${PACKAGE}_${VERSION}.orig.tar.gz ]; then

   if [ -n "`getarg c clean`" ]; then
      echo "Cleaning up source tree before creating orig.tar.gz"
      find . -name '*.class' -print0 | xargs -0 rm -f
      find . -name '*.jar' -print0 | xargs -0 rm -f
      IFS='
'
      for doctree in `find . -name allclasses-frame.html`; do
         TREE="`dirname $doctree`"
         rm -rf "$TREE"/*
      done
      find * -type d -print0 | xargs -0 rmdir -p --ignore-fail-on-non-empty
   fi

   echo "Creating package $PACKAGE version $VERSION."
   echo 
   echo "Building from source in $BUILDDIR"

   cd ..
   echo "Creating orig source tarball: ${PACKAGE}_${VERSION}.orig.tar.gz"
   tar zcf "${PACKAGE}_${VERSION}.orig.tar.gz" "`basename "$BUILDDIR"`"
   cd "$BUILDDIR"

fi

if [ -n "`getarg e email`" ]; then
   DEBEMAIL="`getarg e email`"
fi

if [ -z "$DEBEMAIL" ]; then
   DEBEMAIL="$EMAIL"
fi

if [ -z "$DEBEMAIL" ] && [ -f /etc/mailname ]; then
   DEBEMAIL="`whoami`@`cat /etc/mailname`"
fi

if [ -z "$DEBEMAIL" ]; then
   DEBEMAIL="`whoami`@`hostname --fqdn`"
fi

if [ -n "`getarg m maintainer`" ]; then
   DEBFULLNAME="`getarg m maintainer`"
fi

if [ -z "$DEBFULLNAME" ]; then
   DEBFULLNAME="$NAME"
fi

if [ -z "$DEBFULLNAME" ] ; then
   DEBFULLNAME="$(getent passwd $(whoami) | cut -d: -f5 | cut -d, -f1)"
fi

echo "Packager: $DEBFULLNAME <$DEBEMAIL>"
echo

if [ -n "`getarg a app`" ]; then
   TYPE="app"
elif [ -n "`getarg l library`" ]; then
   TYPE="lib"
else
   echo "What type of package is it? Application, or Library?"
   echo "Select:"
   echo -e "\t[A] Application (Default)"
   echo -e "\t[L] Library"
   echo -n "[Al] $ "
   read t
   echo
   case $t in
      "L"|"l")
         TYPE="lib"
         echo "Selected: Library"
         ;;
      *)
         TYPE="app"
         echo "Selected: Application"
         ;;
   esac
fi
case $TYPE in
   "app")
      SECTION=misc
      SRCPACKAGE="$PACKAGE"
      BINPACKAGE="$PACKAGE"
   ;;
   "lib")
      SECTION=java
      SRCPACKAGE="$PACKAGE"
      BINPACKAGE="$PACKAGE"
      if ! echo $BINPACKAGE | grep "^lib" >/dev/null; then
         BINPACKAGE="lib$BINPACKAGE"
      fi
      if ! echo $BINPACKAGE | grep -- "-java$" >/dev/null; then
         BINPACKAGE="$BINPACKAGE-java"
      fi
   ;;
esac

if [ -n "`getarg t ant`" ]; then
   BUILD="ant"
elif [ -n "`getarg k makefiles`" ]; then
   BUILD="make"
elif [ -n "`getarg n none`" ]; then
   BUILD="byhand"
else
   echo "What type of build system does it have? Ant, Makefiles, or None?"
   echo "Select:"
   echo -e "\t[A] Ant"
   echo -e "\t[M] Makefiles"
   echo -e "\t[N] None---make one for me (Default)"
   echo -n "[Namv] $ "
   read t
   echo
   case $t in
      "A"|"a")
         BUILD="ant"
         echo "Selected: Ant"
         ;;
      "M"|"m")
         BUILD="make"
         echo "Selected: Makefiles"
         ;;
      *)
         BUILD="byhand"
         echo "Selected: No upstream build system"
         ;;
   esac
fi
case $BUILD in
   "make")
   ;;
   "ant")
      DEPENDS="$DEPENDS, ant"
   ;;
   "byhand")
   ;;
esac

if [ -n "`getarg d default`" ]; then
   COMP="default"
elif [ -n "`getarg o openjdk`" ]; then
   COMP="open"
elif [ -n "`getarg o7 openjdk7`" ]; then
   COMP="open7"
elif [ -n "`getarg o8 openjdk8`" ]; then
   COMP="open8"
elif [ -n "`getarg o9 openjdk9`" ]; then
   COMP="open9"
elif [ -n "`getarg o10 openjdk10`" ]; then
   COMP="open10"
elif [ -n "`getarg o11 openjdk11`" ]; then
   COMP="open11"
else
   echo "Which Java runtime does it need? Which free runtime?"
   echo "Select:"
   echo -e "\t[F] Default Free compiler/runtime (Default)"
   echo -e "\t[o] OpenJDK 6"
   echo -e "\t[o7] OpenJDK 7"
   echo -e "\t[o8] OpenJDK 8"
   echo -e "\t[o9] OpenJDK 9"
   echo -e "\t[o10] OpenJDK 10"
   echo -e "\t[o11] OpenJDK 11"
   echo -n "[FGoo7o8o9o10o11] $ "
   read t
   echo
   case $t in
      "O"|"o")
         COMP="open"
         echo "Selected: OpenJDK 6"
         ;;
      "O7"|"o7")
         COMP="open7"
         echo "Selected: OpenJDK 7"
         ;;
      "O8"|"o8")
         COMP="open8"
         echo "Selected: OpenJDK 8"
         ;;
      "O9"|"o9")
         COMP="open9"
         echo "Selected: OpenJDK 9"
         ;;
      "O10"|"o10")
         COMP="open10"
         echo "Selected: OpenJDK 10"
         ;;
      "O11"|"o11")
         COMP="open11"
         echo "Selected: OpenJDK 11"
         ;;
      *)
         COMP="default"
         echo "Selected: Default Free compiler"
         ;;
   esac
fi

case $COMP in
   "default")
      COMPILER=default-jdk
      JAVA_HOME=/usr/lib/jvm/default-java
   ;;
   "open")
      COMPILER=openjdk-6-jdk
      JAVA_HOME="/usr/lib/jvm/java-6-openjdk-\$(shell dpkg-architecture -qDEB_HOST_ARCH)"
      JVM=open
   ;;
   "open7")
      COMPILER=openjdk-7-jdk
      JAVA_HOME="/usr/lib/jvm/java-7-openjdk-\$(shell dpkg-architecture -qDEB_HOST_ARCH)"
      JVM=open7
   ;;
   "open8")
      COMPILER=openjdk-8-jdk
      JAVA_HOME="/usr/lib/jvm/java-8-openjdk-\$(shell dpkg-architecture -qDEB_HOST_ARCH)"
      JVM=open8
   ;;
   "open9")
      COMPILER=openjdk-9-jdk
      JAVA_HOME="/usr/lib/jvm/java-9-openjdk-\$(shell dpkg-architecture -qDEB_HOST_ARCH)"
      JVM=open9
   ;;
   "open10")
      COMPILER=openjdk-10-jdk
      JAVA_HOME="/usr/lib/jvm/java-10-openjdk-\$(shell dpkg-architecture -qDEB_HOST_ARCH)"
      JVM=open10
   ;;
   "open11")
      COMPILER=openjdk-11-jdk
      JAVA_HOME="/usr/lib/jvm/java-11-openjdk-\$(shell dpkg-architecture -qDEB_HOST_ARCH)"
      JVM=open11
   ;;
esac

YEAR=$(date +%Y)
mkdir -p debian
mkdir debian/source
echo '3.0 (quilt)' > debian/source/format
cat > debian/control <<END
Source: $SRCPACKAGE
Section: ${CONTRIB}$SECTION
Priority: optional
Maintainer: $DEBFULLNAME <$DEBEMAIL>
Build-Depends: debhelper (>= $COMPAT), $COMPILER, javahelper (>= $JAVATOOLS_VERSION) $DEPENDS
Standards-Version: $STANDARDS
Homepage: <homepage>

Package: $BINPACKAGE
Architecture: all
Depends: \${java:Depends}, \${misc:Depends}
Recommends: \${java:Recommends}
Description: Short Description
 Long Description
END

if [ "$TYPE" = "lib" ] ; then
    # add doc package template
    cat >> debian/control <<END

Package: $BINPACKAGE-doc
Architecture: all
Section: doc
Depends: \${java:Depends}, \${misc:Depends}
Recommends: \${java:Recommends}
Description: Short Description - doc
 Long Description
 .
 This package contains the Javadoc API
END

fi

cat > debian/copyright <<END
Format: [URI OF THE FORMAT SPECIFICATION, SUCH AS http://www.debian.org/doc/packaging-manuals/copyright-format/<VERSION>/]
Upstream-Name: [THE NAME UPSTREAM USES FOR THE SOFTWARE]
Upstream-contact: [THE PREFERRED ADDRESS(ES) TO REACH THE UPSTREAM PROJECT]
Source: [AN EXPLANATION FROM WHERE THE UPSTREAM SOURCE CAME FROM. TYPICALLY AN URL]
[OTHER FIELDS]

Files: *
Copyright: Copyright $YEAR John Doe <jdoe@example.com>
License: [STANDARD ABBREVIATION -- SEE "Short names" SECTION OF SPECIFICATION]
 [LICENSE TEXT]

Files: debian/*
Copyright: Copyright $YEAR $DEBFULLNAME <$DEBEMAIL>
License: [STANDARD ABBREVIATION]
 [LICENSE TEXT]

[OTHER FILE PARAGRAPHS]
END

echo $COMPAT > debian/compat

EDITOR=true DEBFULLNAME="$DEBFULLNAME" DEBEMAIL="$DEBEMAIL" dch --create --package $SRCPACKAGE --newversion ${VERSION}-1 --distribution unstable --urgency low

cat > debian/rules <<END
#!/usr/bin/make -f

export JAVA_HOME=${JAVA_HOME}

# Put depended upon jars in here
# export CLASSPATH=

%:
	dh \$@ --with javahelper

END
      case $BUILD in
         "ant")
         ;;
         "make")
         ;;
         "byhand")
		echo ${SRCPACKAGE}.jar src > debian/javabuild
         ;;
      esac

case $TYPE in
   "app")
      echo "$SRCPACKAGE.jar usr/share/$BINPACKAGE" > debian/$BINPACKAGE.install
      cat >> debian/$BINPACKAGE.manifest <<END
usr/share/$BINPACKAGE/$SRCPACKAGE.jar:
 Main-Class: <Main Class>
 Debian-Java-Home: $JAVA_HOME
END
      echo "usr/share/$BINPACKAGE/$SRCPACKAGE.jar usr/bin/$SRCPACKAGE" > debian/$BINPACKAGE.links
   ;;
   "lib")
      echo "$SRCPACKAGE.jar" > debian/$BINPACKAGE.jlibs
      if [ "$BUILD" = "byhand" ]; then
	  echo "internal" > debian/$BINPACKAGE-doc.javadoc
      else
	  echo "<javadoc build dir here>" > debian/$BINPACKAGE-doc.javadoc
      fi
   ;;
esac

chmod +x debian/rules

echo "Packaging created. You will have to edit most or all of the files in debian/ before it works"