#!/bin/bash

CWD=$(pwd)

PRGNAM=$(basename $CWD)
RELEASE_TYPE=${RELEASE_TYPE:-releases}
VERSION=${VERSION:-stable}
ARCH="noarch"	# hardcode ARCH
BUILD=${BUILD:-1}
TAG=${TAG:-gwh}

VHOST=${VHOST:-vhosts/$PRGNAM}
VHOSTROOT=/var/www/${VHOST}
DOCROOT=${DOCROOT:-/var/www/${VHOST}/htdocs}
DATAROOT=${DATAROOT:-/home/nextcloud/data}

PHPUSER=${PHPUSER:-apache}
PHPGROUP=${PHPGROUP:-apache}

TMP=${TMP:-/tmp/$TAG}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

set -eu

rm -rf $PKG
mkdir -p $TMP $OUTPUT $PKG/$VHOSTROOT

case $VERSION in
    "stable")
        wget -c https://download.nextcloud.com/server/${RELEASE_TYPE}/latest.tar.bz2 -O $CWD/nextcloud.tar.bz2
        ;;

    "master")
        wget -c https://download.nextcloud.com/server/daily/latest-master.tar.bz2 -O $CWD/nextcloud.tar.bz2
        ;;

    *)
        [ ! -e $CWD/nextcloud-$VERSION.tar.bz2 ] && wget -c https://download.nextcloud.com/server/${RELEASE_TYPE}/nextcloud-$VERSION.tar.bz2 -O $CWD/nextcloud.tar.bz2
        ;;
esac

cd $PKG/$VHOSTROOT
tar xvf $CWD/nextcloud.tar.bz2
rm $CWD/nextcloud.tar.bz2
mv nextcloud htdocs
VERSION=$(grep "Version =" htdocs/version.php | grep -o "[0-9,]*" | tr , .)

cp $CWD/nextcloud-news-updater.rb .
chmod +x nextcloud-news-updater.rb

cd $PKG/$VHOSTROOT/htdocs
chown -R root:root .
find . \
     \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 -o -perm 755 \) \
     -exec chmod 750 {} \; -o \
     \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 -o -perm 644 \) \
     -exec chmod 640 {} \;

mkdir -p $PKG/usr/doc/$PRGNAM
for i in  AUTHORS CONTRIBUTING.md COPYING* README*; do
    [ -e $i ] && cp -a $i $PKG/usr/doc/$PRGNAM
done

# Change ownership and perms and create a link.
chown -R $PHPUSER:$PHPGROUP $PKG/$DOCROOT
chmod 0750 $PKG/$DOCROOT
chmod 0770 $PKG/$DOCROOT/{config,apps}

mkdir -p $PKG/etc/logrotate.d/
cat <<EOF > $PKG/etc/logrotate.d/nextcloud.new
$DATAROOT/nextcloud.log {
       monthly
       rotate 6
       delaycompress
       compress
       notifempty
       missingok
}
EOF

mkdir -p $PKG/install
cat <<EOF > $PKG/install/doinst.sh
#!/bin/bash
config() {
  NEW="\$1"
  OLD="\$(dirname \$NEW)/\$(basename \$NEW .new)"
  # If there's no config file by that name, mv it over:
  if [ ! -r \$OLD ]; then
    mv \$NEW \$OLD
  elif [ "\$(cat \$OLD | md5sum)" = "\$(cat \$NEW | md5sum)" ]; then
    # toss the redundant copy
    rm \$NEW
  fi
  # Otherwise, we leave the .new copy for the admin to consider...
}

config etc/logrotate.d/nextcloud.new

chown -R $PHPUSER:$PHPGROUP $DOCROOT/apps

grep -q "/var/www/${VHOST}/htdocs/cron.php" /var/spool/cron/crontabs/apache || echo "*/15  *  *  *  * php -f /var/www/${VHOST}/htdocs/cron.php" >> /var/spool/cron/crontabs/apache
grep -q "/var/www/${VHOST}/nextcloud-news-updater.rb" /var/spool/cron/crontabs/apache || echo "*/15  *  *  *  * php -f /var/www/${VHOST}/nextcloud-news-updater.rb" >> /var/spool/cron/crontabs/apache

echo "Upgrading database and applications"
( cd /var/www/${VHOST}/htdocs/
  sudo -u $PHPUSER php ./occ upgrade --quiet --no-interaction
)
echo "Post-installation process completed"
EOF

cat <<EOF > $PKG/install/slack-desc
$PRGNAM: $PRGNAM (self-hosted cloud platform)
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM: http://nextcloud.org
$PRGNAM:
EOF

cd $PKG
rm -f $PKG/{,usr/}lib$(uname -m | grep -o 64)/*.la
/sbin/makepkg --linkadd y --chown n --prepend $OUTPUT/$PRGNAM-$(echo $VERSION | tr - _)-$ARCH-$BUILD$TAG.${PKGTYPE:-txz}