#!/bin/bash
# (c) Christopher Münzer DB InfraGo Betriebszentrale Duisburg

USB_DEVICE="/dev/sda"
OUTPUT_ISO="windows_$(date +%Y%m%d).iso"

echo "1. Analysiere USB-Stick..."
sudo fdisk -l "$USB_DEVICE"

echo "2. Erstelle temporäre Verzeichnisse..."
TEMP_DIR=$(mktemp -d)
mkdir -p "$TEMP_DIR"/{mount1,mount2,iso}

echo "3. Kopiere Boot-Sektion..."
sudo dd if="$USB_DEVICE" of="$TEMP_DIR/bootsect.bin" bs=512 count=1

echo "4. Mounte und kopiere Partitionen..."
# Erste Partition (normalerweise FAT32/EFI)
sudo mount "${USB_DEVICE}1" "$TEMP_DIR/mount1" 2>/dev/null
sudo cp -r "$TEMP_DIR"/mount1/* "$TEMP_DIR/iso/" 2>/dev/null

# Zweite Partition (normalerweise NTFS/Installation)
sudo mount "${USB_DEVICE}2" "$TEMP_DIR/mount2" 2>/dev/null
sudo cp -r "$TEMP_DIR"/mount2/* "$TEMP_DIR/iso/" 2>/dev/null

echo "5. Erstelle bootfähige ISO..."
sudo genisoimage \
  -b efi/microsoft/boot/efisys.bin \
  -no-emul-boot \
  -boot-load-size 8 \
  -iso-level 3 \
  -udf \
  -allow-limited-size \
  -J -l -D -N \
  -joliet-long \
  -relaxed-filenames \
  -o "$OUTPUT_ISO" \
  "$TEMP_DIR/iso"

echo "6. Aufräumen..."
sudo umount "$TEMP_DIR"/mount* 2>/dev/null
sudo rm -rf "$TEMP_DIR"

echo "Fertig! ISO erstellt: $OUTPUT_ISO"