#!/bin/bash
read -p "Dolibarr Update starten? (y/n): " confirm
[[ "$confirm" != "y" ]] && exit

set -euo pipefail

VERSION="23.0.3"

BACKUPDIR="/root/dolibarr-backup-$(date +%F-%H%M)"
INSTALLDIR="/usr/share/dolibarr"
OLDDIR="/usr/share/dolibarr-old"
TMPDIR="/tmp/dolibarr-update"

echo "=== Dolibarr Update startet ==="

mkdir -p "$BACKUPDIR"
mkdir -p "$TMPDIR"

echo "=== Backup Dateien ==="

tar -czf "$BACKUPDIR/dolibarr-files.tar.gz" "$INSTALLDIR"

echo "=== DB Daten auslesen ==="

DB_NAME=$(grep dolibarr_main_db_name /etc/dolibarr/conf.php | cut -d"'" -f2)
DB_USER=$(grep dolibarr_main_db_user /etc/dolibarr/conf.php | cut -d"'" -f2)
DB_PASS=$(grep dolibarr_main_db_pass /etc/dolibarr/conf.php | cut -d"'" -f2)

echo "=== SQL Backup ==="

mysqldump -u "$DB_USER" -p"$DB_PASS" "$DB_NAME" \

> "$BACKUPDIR/dolibarr.sql"

echo "=== install.lock entfernen ==="

rm -f /var/lib/dolibarr/documents/install.lock

echo "=== Download Dolibarr $VERSION ==="

cd "$TMPDIR"

wget 
"https://sourceforge.net/projects/dolibarr/files/Dolibarr%20ERP-CRM/$VERSION/dolibarr-$VERSION.tgz/download" 
-O dolibarr.tgz

echo "=== Entpacken ==="

tar -xzf dolibarr.tgz

echo "=== Alte Installation sichern ==="

rm -rf "$OLDDIR"
mv "$INSTALLDIR" "$OLDDIR"

echo "=== Neue Version installieren ==="

mv "$TMPDIR/dolibarr-$VERSION" "$INSTALLDIR"

echo "=== Konfiguration übernehmen ==="

cp /etc/dolibarr/conf.php 
"$INSTALLDIR/htdocs/conf/"

cp -r 
"$OLDDIR/htdocs/custom" 
"$INSTALLDIR/htdocs/" 2>/dev/null || true

echo "=== Rechte setzen ==="

chown -R www-data:www-data "$INSTALLDIR"
chown -R www-data:www-data /var/lib/dolibarr

echo "=== Apache Neustart ==="

systemctl restart apache2

echo "=== install.lock setzen ==="

touch /var/lib/dolibarr/documents/install.lock

echo ""
echo "================================"
echo "Update vorbereitet"
echo ""
echo "Browser öffnen:"
echo "/dolibarr/install"
echo ""
echo "DB Migration ausführen"
echo "================================"