more install things

uninstall.sh

@@ -16,7 +16,6 @@ NC='\033[0m' # No Color
 INSTALL_DIR="/opt/video_player"
 CONFIG_DIR="/etc/video_player"
 SERVICE_NAME="video-player"
-USER="pi"
 
 # Function to print colored output
 print_status() {
@@ -35,6 +34,19 @@ print_error() {
     echo -e "${RED}[ERROR]${NC} $1"
 }
 
+# Load environment variables from .env file if it exists
+if [[ -f ".env" ]]; then
+    print_status "Loading configuration from .env file..."
+    source .env
+else
+    print_warning "No .env file found, using default values"
+fi
+
+# Set defaults if not defined in .env
+USER="${USER:-pi}"
+GROUP="${GROUP:-pi}"
+GPIO_GROUP="${GPIO_GROUP:-gpio}"
+
 # Function to check if running as root
 check_root() {
     if [[ $EUID -ne 0 ]]; then
@@ -175,8 +187,8 @@ remove_gpio_rules() {
 remove_gpio_group() {
     print_status "Removing user from gpio group..."
     
-    if groups "$USER" | grep -q "gpio"; then
-        gpasswd -d "$USER" gpio
+    if groups "$USER" | grep -q "$GPIO_GROUP"; then
+        gpasswd -d "$USER" "$GPIO_GROUP"
         print_success "User removed from gpio group"
     else
         print_warning "User not in gpio group"