#!/bin/bash

apt update -y

apt install grub2 filezilla gparted wimtools -y

#Get the disk size in GB and convert to MB
disk_size_gb=$(parted /dev/sda --script print | awk '/^Disk \/dev\/sda:/ {print int($3)}')
disk_size_mb=$((disk_size_gb * 1024))

#Calculate partition size (25% of total size)
part_size_mb=$((disk_size_mb / 4))

#Create GPT partition table
parted /dev/sda --script -- mklabel gpt

#Create two partitions
parted /dev/sda --script -- mkpart primary ntfs 1MB ${part_size_mb}MB
parted /dev/sda --script -- mkpart primary ntfs ${part_size_mb}MB $((2 * part_size_mb))MB

#Inform kernel of partition table changes
partprobe /dev/sda

sleep 30

partprobe /dev/sda

sleep 30

partprobe /dev/sda

sleep 30 

#Format the partitions
mkfs.ntfs -f /dev/sda1
mkfs.ntfs -f /dev/sda2

echo "NTFS partitions created"

echo -e "r\ng\np\nw\nY\n" | gdisk /dev/sda

mount /dev/sda1 /mnt

#Prepare directory for the Windows disk
cd ~
mkdir windisk

mount /dev/sda2 windisk

grub-install --root-directory=/mnt /dev/sda

#Edit GRUB configuration
cd /mnt/boot/grub
cat <<EOF > grub.cfg
menuentry "windows installer" {
	insmod ntfs
	search --set=root --file=/bootmgr
	ntldr /bootmgr
	boot
}
EOF

cd /root/windisk

mkdir winfile

wget -O win10.iso https://oemsoc.download.prss.microsoft.com/dbazure/X23-81951_26100.1742.240906-0331.ge_release_svc_refresh_CLIENT_ENTERPRISES_OEM_x64FRE_en-us.iso_640de540-87c4-427f-be87-e6d53a3a60b4?t=2c3b664b-b119-4088-9db1-ccff72c6d22e&P1=102816950270&P2=601&P3=2&P4=OC448onxqdmdUsBUApAiE8pj1FZ%2bEPTU3%2bC6Quq29MVwMyyDUtR%2fsbiy7RdVoZOHaZRndvzeOOnIwJZ2x3%2bmP6YK9cjJSP41Lvs0SulF4SVyL5C0DdDmiWqh2QW%2bcDPj2Xp%2bMrI9NOeElSBS5kkOWP8Eiyf2VkkQFM3g5vIk3HJVvu5sWo6pFKpFv4lML%2bHaIiTSuwbPMs5xwEQTfScuTKfigNlUZPdHRMp1B3uKLgIA3r0IbRpZgHYMXEwXQ%2fSLMdDNQthpqQvz1PThVkx7ObD55CXgt0GNSAWRfjdURWb8ywWk1gT7ozAgpP%2fKNm56U5nh33WZSuMZIuO1SBM2vw%3d%3d

mount -o loop win10.iso winfile

rsync -avz --progress winfile/* /mnt

umount winfile

wget -O virtio.iso https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/archive-virtio/virtio-win-0.1.285-1/virtio-win-0.1.285.iso

mount -o loop virtio.iso winfile

mkdir /mnt/sources/virtio

rsync -avz --progress winfile/* /mnt/sources/virtio

cd /mnt/sources

touch cmd.txt

echo 'add virtio /virtio_drivers' >> cmd.txt

wimlib-imagex update boot.wim 2 < cmd.txt

reboot