#!/bin/bash
set -euo pipefail

NOTIF_CFG="/etc/proxmox-backup/notifications.cfg"
PRIV_NOTIF_CFG="/etc/proxmox-backup/notifications-priv.cfg"

backup_file() {
  local file=$1
  if [ -f "$file" ]; then
    local bak="${file}.bak.$(date +%Y%m%d%H%M%S)"
    cp "$file" "$bak"
    echo "Backup erstellt: $bak"
  fi
}

backup_file "$NOTIF_CFG"
backup_file "$PRIV_NOTIF_CFG"

echo "Bitte die SMTP Notification Konfiguration für PBS eingeben:"

read -rp "Author (z.B. MH-PBS01 | MAIERHOME): " AUTHOR
read -rp "From-Address (z.B. MH-PBS01@vmd55888.de): " FROMADDR
read -rp "Empfänger-Mailadresse (mailto): " MAILTO
read -rp "SMTP Server (z.B. mail.vmd55888.de): " SERVER
read -rp "SMTP Port (z.B. 587): " PORT
read -rp "Modus (starttls/ssl/none): " MODE
read -rp "SMTP Benutzername: " USERNAME
read -rsp "SMTP Passwort: " SMTP_PASS
echo

cat > "$NOTIF_CFG" << EOF
sendmail: mail-to-root
    comment Send mails to root@pam's email address
    disable true
    mailto-user root@pam

matcher: default-matcher
    comment Route all notifications to mail-to-root
    mode all
    target mailout

smtp: mailout
    author $AUTHOR
    from-address $FROMADDR
    mailto $MAILTO
    mailto-user root@pam
    mode $MODE
    port $PORT
    server $SERVER
    username $USERNAME
EOF

cat > "$PRIV_NOTIF_CFG" << EOF
smtp: mailout
    password $SMTP_PASS
EOF

echo "PBS Notification Konfiguration neu geschrieben. Bitte WebUI prüfen."