#!/bin/bash

set -euo pipefail

# ==========================================

# Dolibarr Quick Update Script

# ==========================================

# Root-Rechte automatisch anfordern

if [ "$EUID" -ne 0 ]; then
echo "Root-Rechte erforderlich – starte mit sudo..."
exec sudo bash "$0" "$@"
fi

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"

clear

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..."

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

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

> "$BACKUPDIR/dolibarr.sql"

echo "[6/10] install.lock entfernen..."

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

echo "[7/10] Dolibarr $VERSION herunterladen..."

cd "$TMPDIR"

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

echo "[8/10] Entpacken..."

tar -xzf dolibarr.tgz

echo "[9/10] Installation austauschen..."

rm -rf "$OLDDIR"

mv "$INSTALLDIR" "$OLDDIR"

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

echo "[10/10] Konfiguration übernehmen..."

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

if [ -d "$OLDDIR/htdocs/custom" ]; then
cp -a 
"$OLDDIR/htdocs/custom" 
"$INSTALLDIR/htdocs/"
fi

echo "Setze Berechtigungen..."

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

echo "Apache neu starten..."

systemctl restart apache2

echo "install.lock wieder erstellen..."

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

echo ""
echo "========================================="
echo "Update vorbereitet"
echo ""
echo "Backups gespeichert unter:"
echo "$BACKUPDIR"
echo ""
echo "Jetzt im Browser öffnen:"
echo "/dolibarr/install"
echo ""
echo "Danach Datenbankmigration durchführen"
echo "========================================="