#!/bin/sh
#
# disk s/n: S9BWOXA5K31HTRWZVE4H 
#
LV_NAME1=01cf1174-2f42-45d2-b206-c146c4f42f49
LUKS_MNT1=luks-${LV_NAME1}
UNLOCK_MNT1=/media/yazoo/luks-${LV_NAME1}
#
# Check if mount point exists, create if not
if [ ! -d "$UNLOCK_MNT1" ]; then
    echo "Mount point $UNLOCK_MNT1 does not exist. Creating it..."
    sudo mkdir -p "$UNLOCK_MNT1"
    if [ $? -eq 0 ]; then
        echo "Mount point $UNLOCK_MNT1 created successfully."
    else
        echo "Failed to create mount point $UNLOCK_MNT1. Exiting."
        exit 1
    fi
fi

# Unmount and close LUKS device if already mounted/opened
sudo umount "$UNLOCK_MNT1" 2>/dev/null
sudo cryptsetup luksClose "$LUKS_MNT1" 2>/dev/null

# Open LUKS device
echo "Unlocking QNAP disk TOSHIBA 4x2T ..."
sudo cryptsetup luksOpen UUID=$LV_NAME1 "$LUKS_MNT1"
if [ $? -eq 0 ]; then
    echo "LUKS device unlocked successfully."
else
    echo "Failed to unlock LUKS device. Exiting."
    exit 1
fi

# Mount the unlocked device
echo "Mounting ..."
sudo mount /dev/mapper/"$LUKS_MNT1" "$UNLOCK_MNT1"
if [ $? -eq 0 ]; then
    echo "Device mounted successfully at $UNLOCK_MNT1."
else
    echo "Failed to mount device. Closing LUKS device."
    sudo cryptsetup luksClose "$LUKS_MNT1"
    exit 1
fi

# Optional: Remount with specific options (if needed)
# sudo mount -o rw,remount /dev/mapper/"$LUKS_MNT1" "$UNLOCK_MNT1"