#!/bin/bash
set -e

#
# Use ./update.sh 1.2.3 to OVERRIDE the release check.
#
# Without an argument, THIS SCRIPT WILL AUTODETECT the release
# that was tagged as "latest" by the project.
#

export XDG_RUNTIME_DIR=/run/user/$UID
location=$HOME
olddir=`readlink $location/latest`

# becomes $location/latest/themes/themename
# script does not require this to function
#themename=mytheme

if [ -z "$1" ]
    then
        release=`curl -L https://api.github.com/repos/keycloak/keycloak/releases/latest -s | jq -r '.tag_name'`
        echo ">>> Detected v$release being tagged as the latest release."
    else
        release=$1
fi

current_release=$(cat latest/version.txt)
current_release=${current_release#'Keycloak - Version '}

if [[ $current_release == "$release" ]]
    then
        echo ">>> It appears, are on v$current_release. Nothing to do."
        exit
    else
        read -p "Proceed? With Keycloak ${release}?" -n 1 -r
        if [[ ! $REPLY =~ ^[Yy]$ ]]
            then
                [[ "$0" = "$BASH_SOURCE" ]] && exit 1 || return 1
        fi
fi

systemctl stop --user keycloak

cd $location

# FIXME: move to rsync or use git tags directly
wget "https://github.com/keycloak/keycloak/releases/download/$release/keycloak-$release.zip"
unzip keycloak-$release.zip
rm keycloak-$release.zip

[ -L $location/latest ] && rm -v $location/latest
ln -sv $location/keycloak-$release $location/latest

# default config got the same filename!
rm -v $location/latest/conf/keycloak.conf
ln -sv $location/config/* $location/latest/conf/

if [ -z ${themename+x} ];
# FIXME: had trouble with symlinking but might have been a coincidence
then
    echo "Theme directory is not configured for this script."
    echo "Uncomment its variable of needed."
    echo "Checking directories in ./themes of old install:"
    find $olddir/themes -maxdepth 1 -mindepth 1 -type d
    echo
    echo "Proceeding..."
else
    cp -rp $location/theme $location/latest/themes/$themename;
fi

bash $location/latest/bin/kc.sh build

systemctl start --user keycloak

sleep 2

systemctl status --user keycloak