#!/bin/bash

# this gem of a hack gathers all fiels required by the client for the platform
# by deep magic, it works on osx, linux and windows. on MY osx, linux
# and windows, that is.

STRIP="strip"
LIBEXT=so
LIB0=so.?
SO=so
SYSLIB=/usr/lib
MAKE=make
ARCHNAME=x86
GENPACK_ENVVARS="LD_LIBRARY_PATH=."

umask 022

if [ "$(uname -s)" = CYGWIN_NT-5.0 ]; then
   . ~/.setenv

   OS=windows
   URLADER=.exe
   unset PANGO
   PERL=/c/perl/bin/perl
   MAKE=nmake
   SYSLIB=/c/gtk/bin
   LIBEXT=dll
   LIB0=dll
   SO=dll
   STRIP=":" # stripping the perl library kills it, and apparently, everythignis always stripped

   # fontconfig apparently ignores env vars and always looks at ./etc/fonts/fonts.conf,
   # but only if . isn't actually called bin or lib. hope for the best.
   GENPACK_ENVVARS="FONTCONFIG_PATH=pm/Deliantra/Client/private/resources/fonts FONTCONFIG_FILE=fonts.conf"

   pango-querymodules() {
      /c/gtk/bin/pango-querymodules # empty output usually
   }

elif [ "$(uname -s)" = Darwin ]; then
   OS=darwin
   URLADER=-osx105
   PANGO=1.6.0
   PERL=/opt/local/bin/perl
   GENPACK_ENVVARS="DYLD_LIBRARY_PATH=."

   SYSLIB=/opt/local/lib
   LIB0=dylib
   SO=bundle
   STRIP="strip -x"
elif [ $(arch) = i686 ]; then
   OS=linux
   URLADER=-x86
   PANGO=1.5.0
   PERL=/usr/bin/perl
else
   OS=linux
   URLADER=-amd64
   PANGO=1.5.0
   PERL=/usr/bin/perl
   ARCHNAME=amd64
fi

export DIST="$(pwd)/dist/$OS-$ARCHNAME"

rm -rf "$DIST"
mkdir -p "$DIST"

#PERL=/opt/perl
#PANGO=1.6.0

export EV_EVENTFD=0
export EV_INOTIFY=0
export EV_SIGNALFD=0

if true; then
   for mod in deliantra/Deliantra deliantra/Deliantra-Client; do
#   for mod in common-sense AnyEvent EV JSON-XS deliantra/Deliantra Compress-LZF BDB Guard deliantra/Deliantra-Client; do
#   for mod in CFPlus; do
      (
         cd /root/src/$mod
         cvs update -AdP
         $PERL Makefile.PL </dev/null >/dev/null
         $MAKE clean >/dev/null
         $PERL Makefile.PL </dev/null >/dev/null
         if ! $MAKE install >log 2>&1; then
            cat log
            exit
         fi
         rm -f log
         $MAKE clean >/dev/null
      ) || exit
   done
fi

cat <<EOF >"$DIST"/pango.rc
[Pango]
ModuleFiles = pango.modules
EOF

(
   exec 5>"$DIST"/pango.modules
   pango-querymodules | grep ^/ | while read lib rest; do
      base=$(basename "$lib")
      [ "$base" = pango-basic-x.$LIBEXT ] && continue
      cp -p "$lib" "$DIST"/.
      echo "$base $rest" >&5
   done
)

#############################################################################

IFS=" 	

" # space tab nl cr - cr for windows
eval $($PERL -V:sitebinexp -V:sitearchexp -V:sitelib -V:vendorarchexp -V:vendorlibexp -V:archlibexp -V:privlibexp)

mkdir -p "$DIST"/pm/bin
cp "$sitebinexp"/deliantra "$DIST"/pm/bin/
cp -p util/run "$DIST"

(
   exec <util/modules.dep

#   while read type name; do
#      if [ "$type" = d ]; then
#         # not implemented
#         dir=$(echo "$name" | sed -e s%::%/%g)
#         for lib in "$sitearchexp" "$sitelib" "$vendorarchexp" "$vendorlibexp" "$archlibexp" "$privlibexp"; do
#            if [ -e "$lib/auto/$dir/.packlist" ]; then
#               cat "$lib/auto/$dir/.packlist"
#            fi
#            echo "x $lib $dir"
#         done
#      elif [ $type = m ]; then
#         :
#      else
#         echo "unknown type $type ($name)"
#         exit 1
#      fi
#   done
   mkdir -p "$DIST"/pm

   export OSDIST="$DIST"
   [ "$OS" = windows ] && OSDIST=$(cygpath -w "$OSDIST")

   $PERL -e '
      use Config;
      use File::Glob qw(:glob);
      use File::Copy;
      use File::Path;
      use File::Basename;

      my @path = do {
         my %seen;
         grep !$seen{$_}++, grep length, map $Config{$_}, qw(
            sitearchexp
            sitelib
            vendorarchexp
            vendorlibexp
            archlibexp
            privlibexp
         )
      };

      while (<>) {
         s/\015?\012$//;
         next if /^(#|$)/;
         s/\.dynob$/.'$SO'/;

         my $found;
         for my $lib (@path) {
            chdir $lib || next;

            my @glob = File::Glob::bsd_glob $_, 0; # explicit 0 needed

            if (@glob) {
               ++$found;

               for (@glob) {
                  if (-d $_) {
                     system "rsync", "-aR", $_, "$ENV{DIST}/pm/.";
                  } else {
                     File::Path::mkpath "$ENV{OSDIST}/pm/" . dirname $_;
                     File::Copy::syscopy "$_", "$ENV{OSDIST}/pm/$_"
                        or die "$ENV{OSDIST}/pm/$_: $!";

                     if (s/\.pm$//) {
                        $auto = "auto/$_";

                        for my $glob ("*.'$SO'", "autosplit.ix", "*.al") {
                           for (bsd_glob "$auto/$glob", 0) {
                              File::Path::mkpath "$ENV{OSDIST}/pm/" . dirname $_;
                              File::Copy::syscopy "$_", "$ENV{OSDIST}/pm/$_";
                           }
                        }
                     }
                  }
               }

               last;
            }
         }

         warn "$_: not found\n"
            unless $found;
      }
   '
) || exit

#############################################################################

if [ "$OS" = windows ]; then
   libdeps() {
      objdump -p "$1" | awk '/\tDLL Name:/ { print $3 }' | while read lib; do
         set -- $(type "$lib")
         case "$3" in
            /c/WINNT/* | /c/sdk/* )
               ;;
            * )
               echo "$3"
               ;;
         esac
      done
   }
elif [ "$OS" = darwin ]; then
   libdeps() {
      otool -L "$1" | perl -ne 'print "$1\n" if m%^\s+(/opt\S+)%'
   }
else
   libdeps() {
      ldd "$1" | perl -ne 'print "$1\n" if / => (\S+)/'
   }
fi

add_deps() {
   local so="$1"
   libdeps "$so" | while read path; do
      base="$(basename "$path")"
      if ! [ -e "$base" ]; then
         cp -p "$path" .
         chmod 755 "$base"
         add_deps "$base"
      fi
   done
}

(
   cd "$DIST"

   cp -p "$PERL" .

   if [ "$OS" = windows ]; then
      cp -p $SYSLIB/libvorbisfile-3.dll $SYSLIB/mikmod.dll $SYSLIB/libpng12-0.dll .
      cp /root/src/CFPlus/util/splash.bmp .
      chmod -R u+rwX pm/auto

      # convert perl to a non-console-app
      $PERL -MWin32::Exe -e '$e = new Win32::Exe"perl.exe"; $e->set_subsystem_windows; $e->write'

   else
      # patch braindamaged pango
      perl -pe 's{/u(?=sr/lib(32)?/pango)}{/\x00}g; s{\Q'$PANGO'\E\x00}{y.t.u\x00}g' <$SYSLIB/libpango-1.0.$LIB0 >libpango-1.0.$LIB0
      chmod 755 libpango-1.0.$LIB0

      for lib in mikmod vorbisfile; do
         cp -p $SYSLIB/lib$lib.$LIB0 .
         chmod 755 lib$lib.$LIB0
      done
   fi

   for so in $(find . -name "*.$SO" -o -name "*.$LIBEXT" -o -name "*.$LIB0") perl; do
      add_deps "$so"
   done

   rm -f pm/auto/POSIX/*.al

   for lib in \
      dl c m rt pthread nsl crypt \
      X11 Xext Xau Xdmcp ICE SM Xrandr Xrender Xxf86vm drm GL \
      z
   do
      rm -f lib"$lib".$SO0
   done

   if [ "$OS" = darwin ]; then
      # "dll hell" is most severe on os x, because apple
      # does not generally give a shit for backwards compatibility,
      # alwayss ships outdated libraries and often provides libraries
      # of the same name as well-known libs (such as libjpeg), that
      # of course do something completely different
      patchlibs() {
         <"$1" \
         perl -0777 -pe '
            s%('"/opt/local/lib[^\x00]*/lib"'([^\x00/]+)\.dylib\x00)%
               my $s = $1;
               my $r = "libdeliantra-$2.dylib\x00";
               (length $r) <= (length $s)
                  or die "lib replacement <$r> larger than <$s>\n";
               substr $s, 0, length $r, $r;
               $s
            %ge
         ' \
         >"$1~" && mv "$1~" "$1" || exit 67
      }

      # patch bundles and pango modules with external dependencies,
      # should be few, so hardcode(tm)
      for so in \
         pm/auto/BDB/BDB.bundle \
         pm/auto/Deliantra/Client/Client.bundle \
         *.$LIBEXT
      do
         patchlibs "$so"
      done

      # now patch and rename all .dylibs
      for lib in *.$LIB0; do
         stem="${lib#lib}"
         stem="${stem%.$LIB0}"
         patchlibs "$lib"
         mv "$lib" "libdeliantra-$stem.dylib"
      done
   fi

   [ "$OS" = linux ] && chrpath -d perl # debian perls have an rpath. really.
   $STRIP $(find . -name "*.$SO" -o -name "*.$LIBEXT" -o -name "*.$LIB0") perl
)

printf -- urlader$URLADER >"$DIST".urlader

echo >"$DIST".genpack genpack deliantra_S-$OS-"$ARCHNAME" '"$EXE_VER"' '"$1"' $GENPACK_ENVVARS ./perl run

exit


tar cf deliantra-gnu-linux-$ARCHNAME.tar deliantra-gnu-linux-$ARCHNAME
gzip -9vf deliantra-gnu-linux-$ARCHNAME.tar
todata deliantra-gnu-linux-$ARCHNAME.tar.gz