#!/bin/bash
# Batocera Update Script - Version 40
# Date: 2024-12-10

# Set the Batocera image URL and download directory
FILE_URL="https://updates.batocera.org/x86_64/stable/last/batocera-x86_64-40-20240801.img.gz"
DOWNLOAD_DIR="/tmp"

# Step 1: Download the specified Batocera image to /tmp
echo "Downloading the Batocera image from $FILE_URL to $DOWNLOAD_DIR..."
IMAGE_FILE="$DOWNLOAD_DIR/$(basename $FILE_URL)"
curl -fSLo $IMAGE_FILE $FILE_URL

# Step 2: Prompt the user to choose the target USB device
echo "Identifying available USB drives..."
echo "Available drives and descriptions:"
lsblk -o NAME,SIZE,MODEL,TYPE | grep disk

echo ""
echo "WARNING: Be careful to select the correct drive. Writing to the wrong drive will erase all data on it."
read -p "Enter the target drive name (e.g., sda, sdb, etc.): " TARGET_DRIVE

if [ -z "$TARGET_DRIVE" ]; then
  echo "No drive selected. Exiting."
  exit 1
fi

TARGET_PATH="/dev/$TARGET_DRIVE"

# Confirm the user's choice
echo "You selected $TARGET_PATH. Are you sure you want to proceed? (yes/no)"
read -r CONFIRM

if [ "$CONFIRM" != "yes" ]; then
  echo "Operation canceled by user."
  exit 1
fi

# Step 3: Extract and write the image to the target drive
IMAGE_FILE="$DOWNLOAD_DIR/$(basename $FILE_URL)"
echo "Flashing Batocera image to $TARGET_PATH..."
gunzip -c $IMAGE_FILE | sudo dd status=progress of=$TARGET_PATH conv=fsync
sync
sudo eject $TARGET_PATH
echo "#================================================================================"
echo "Image flashed and drive ejected."
echo "#================================================================================"

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

# SSH Access
# Access Batocera via SSH using one of the following:
# Default username: root
# Default password: linux
echo "Access Batocera via SSH:"
echo "   ssh root@batocera.local or ssh root@<Batocera_IP>"

# Editing Boot Configuration
echo "To edit the boot configuration:"
echo "   vi /boot/batocera-boot.conf"

# Audio Setup
echo "To configure audio settings:"
echo "1. Run the following commands to list devices:"
echo "   aplay -L"
echo "   batocera-audio list"
echo "   batocera-audio list-profiles"
echo "2. Adjust settings in the Batocera menu or KODI:"
echo "   - Navigate to System Settings > Hardware Audio Output."
echo "   - Ensure the audio profile matches your device."

# Example: Checking KODI audio passthrough settings
echo "To verify KODI settings:"
echo "   grep -RI hdmi .kodi/userdata/"

echo "#================================================================================"
echo "All tasks completed. Enjoy your Batocera setup!"
echo "#================================================================================"