#!/bin/bash

set -euo pipefail

VERSION="23.0.3"
DATE=$(date +"%Y-%m-%d_%H-%M-%S")

BACKUPDIR="/root/dolibarr-backup-$DATE"
INSTALLDIR="/usr/share/dolibarr"
OLDDIR="/usr/share/dolibarr-old"
TMPDIR="/tmp/dolibarr-update"

echo "========================================="
echo "      Dolibarr Quick Update"
echo "========================================="
echo ""

echo "[1/10] Arbeitsverzeichnis vorbereiten..."

rm -rf "$TMPDIR"
mkdir -p "$TMPDIR"

echo "[2/10] Backup-Verzeichnis erstellen..."

mkdir -p "$BACKUPDIR"

echo "[3/10] Dateien sichern..."

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

echo "[4/10] Datenbankdaten lesen..."

CONF="/etc/dolibarr/conf.php"

if [ ! -f "$CONF" ]; then
echo "FEHLER: Dolibarr Konfiguration nicht gefunden!"
exit 1
fi

DB_NAME=$(grep "dolibarr_main_db_name" "$CONF" | sed "s/.*='(.*)'.*/\1/")
DB_USER=$(grep "dolibarr_main_db_user" "$CONF" | sed "s/.*='(.*)'.*/\1/")
DB_PASS=$(grep "dolibarr_main_db_pass" "$CONF" | sed "s/.*='(.*)'.*/\1/")

if [ -z "$DB_NAME" ] || [ -z "$DB_USER" ]; then
echo "FEHLER: Datenbankdaten konnten nicht gelesen werden!"
exit 1
fi

echo "[5/10] SQL Backup..."

mariadb-dump 
-u"$DB_USER" 
-p"$DB_PASS" 
"$DB_NAME" \

> "$BACKUPDIR/dolibarr.sql"

echo "[6/10] Neue Dolibarr Version herunterladen..."

cd "$TMPDIR"

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

echo "[7/10] Entpacken..."

tar -xzf dolibarr.tgz

echo "[8/10] Alte Installation sichern..."

rm -rf "$OLDDIR"

mv 
"$INSTALLDIR" 
"$OLDDIR"

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

echo "[9/10] Konfiguration und Rechte setzen..."

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

chown -R www-data:www-data "$INSTALLDIR"

chown -R www-data:www-data 
/var/lib/dolibarr

echo "[10/10] install.lock setzen..."

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

chown www-data:www-data 
/var/lib/dolibarr/documents/install.lock

chmod 644 
/var/lib/dolibarr/documents/install.lock

systemctl restart apache2

echo ""
echo "========================================="
echo " Update vorbereitet"
echo "========================================="
echo ""
echo "Backup:"
echo "$BACKUPDIR"
echo ""
echo "Jetzt im Browser öffnen:"
echo ""
echo "/dolibarr/install"
echo ""
echo "Danach die Datenbankmigration ausführen."
echo ""