#!/bin/bash

SCRIPT_VER="1.6"

APP="SyncThing"
APP_CATEGORY="Sync Solutions"
APP_SCOPE="user"
APP_ENABLED="yes"
STORED_PASSWORD_SERVICE="syncthing"
#><#APP_UPGRADE_VER_CMD="STANDARD_PACKAGE"
SUPPORTED_ON="Ubuntu20.04,Ubuntu22.04,Ubuntu24.04"
USE_APACHE2="yes"
LIBRARY="functions4.sh"
SYNCTHING_APT_REPO_URL="https://apt.syncthing.net/"
SYNCTHING_APT_KEY_URL="https://syncthing.net/release-key.gpg"
SYNCTHING_APT_CHANNEL="stable-v2"

if [ "${SUPPORT-}" = '' ]; then
    SUPPORT="https://installers.rapidseedbox.com/scripts/whmcs_client_installers/support"
fi

LOGFILE="/var/log/whmcs_client_installers/${0}.log"
[ ! -d "/var/log/whmcs_client_installers" ] && mkdir -p "/var/log/whmcs_client_installers"

wget -4 -nc -q --no-check-certificate --timeout=20 --tries=5 "${SUPPORT}/${LIBRARY}" >> "${LOGFILE}" 2>&1
if [ ! -f "./${LIBRARY}" ] ; then
    echo "55"
    echo "Error downloading \"${SUPPORT}/${LIBRARY}\"" >> "${LOGFILE}"
    exit 55
fi

# shellcheck source=support/functions4.sh
. "./${LIBRARY}"
SCRIPTENTRY

VALIDATE_USER

while : ; do

    main_rc=1

    CHECK_APP ; _rc=$?
    if [ ${_rc} -ne 0 ] ; then
        main_rc=${_rc}
        break
    fi

    APT_INSTALL "ca-certificates" "gnupg" || break
    ADD_APT_REPO "${SYNCTHING_APT_REPO_URL}" "syncthing" "${SYNCTHING_APT_CHANNEL}" \
        "${SYNCTHING_APT_KEY_URL}" "syncthing" || break
    APT_UPDATE || break
    APT_INSTALL "syncthing" || break

    cat <<-EOF > "/etc/systemd/system/syncthing@.service"
	[Unit]
	Description=Syncthing - Open Source Continuous File Synchronization for %I
	Documentation=http://docs.syncthing.net/
	After=network.target

	[Service]
	User=%i
	Environment="STLOGFORMATTIMESTAMP="
	Environment="STLOGFORMATLEVELSTRING=false"
	Environment="STLOGFORMATLEVELSYSLOG=true"
	Environment="GOMAXPROCS=2"
	ExecStart=/usr/bin/syncthing serve --no-browser --no-restart
	Restart=on-failure
	RestartSec=1
	SuccessExitStatus=3 4
	RestartForceExitStatus=3 4

	[Install]
	WantedBy=multi-user.target
	EOF

    SYSTEMD_RELOAD

    SVC_STATUS "syncthing@root" \
        && SVC_RESTART  "syncthing@root"

    SVC_STATUS "syncthing@${USERNAME}" \
        && SVC_RESTART "syncthing@${USERNAME}"


    main_rc=0
    break

done


# Cleanup if error
if [ "${main_rc}" -ne 0 ] && [ "${main_rc}" -ne 111 ] && [ "${main_rc}" -ne 117 ] ; then
    ERROR "'${APP}': Upgrade failed."
    # Cleanup tasks here
fi

SCRIPTEXIT