# screen 1
whiptail --title "Welcome" --backtitle "SaturnArch" --msgbox "Welcome to SaturnArch installation wizard" 12 80

# screen 2
exec 3>&1;
job=$(whiptail --title "Main menu" --backtitle "SaturnArch" --menu "Choose an option" 25 78 10 \
                 "install" "Install SaturnArch on this PC." \
                 "exit" "exit to terminal [EXPERT]." 2>&1 1>&3)
exec 3>&-;

if [ "$job" == "exit" ]; then
    exit;
fi

# screen 3
exec 3>&1;
job=$(whiptail --title "Disks" --backtitle "SaturnArch" --menu "Do you whant edit disks before install?" 25 78 10 \
                 "yes" "Delete\Create\Formate Disks Partions." \
                 "no" "Disks are ready for install" 2>&1 1>&3)
exec 3>&-;

while [ "$job" == "yes" ]; do

    exec 3>&1;
    disk=$(whiptail --title "Disk for edit" --backtitle "SaturnArch" --menu "Select disk for edit" 25 90 10 `lsblk -r -o name,size -n -d` 2>&1 1>&3)
    exec 3>&-;

    cfdisk /dev/$disk;

    exec 3>&1;
    job=$(whiptail --title "Disks" --backtitle "SaturnArch" --menu "Edit another disk?" 25 78 10 \
                 "yes" "Im not done, I need edit another" \
                 "no" "Im done" 2>&1 1>&3)
    exec 3>&-;
done


exec 3>&1;
disk=$(whiptail --title "Disk for install" --backtitle "SaturnArch" --menu "Select disk for SaturnArch install" 25 90 10 `lsblk -r -o name,size -n` 2>&1 1>&3)
exec 3>&-;

exec 3>&1;
grubdisk=$(whiptail --title "Disk for install" --backtitle "SaturnArch" --menu "Select disk for bootloader install" 25 90 10 `lsblk -r -o name,size -n -d` 2>&1 1>&3)
exec 3>&-;

exec 3>&1;
hostname=$(whiptail --backtitle "SaturnArch" --inputbox "please enter your hostname" 8 39 saturnarch --title "Hostname" 3>&1 1>&2 2>&3)
exec 3>&-;

exec 3>&1;
hostname=$(whiptail --backtitle "SaturnArch" --inputbox "please enter your username" 8 39 user --title "Username" 3>&1 1>&2 2>&3)
exec 3>&-;

exec 3>&1;
timezone=$(whiptail --backtitle "SaturnArch" --inputbox "please enter your timezone" 8 39 Europe/Prague --title "timezone" 3>&1 1>&2 2>&3)
exec 3>&-;

exec 3>&1;
userpass=$(whiptail --backtitle "SaturnArch" --passwordbox "please enter your user password" 8 39 --title "user password" 3>&1 1>&2 2>&3)
exec 3>&-;

exec 3>&1;
rootpass=$(whiptail --backtitle "SaturnArch" --passwordbox "please enter your root password" 8 39 --title "root password" 3>&1 1>&2 2>&3)
exec 3>&-;

exec 3>&1;
lang=$(whiptail --backtitle "SaturnArch" --inputbox "please enter your root LANG" 8 39 cs_CZ --title "LANG" 3>&1 1>&2 2>&3)
exec 3>&-;

exec 3>&1;
packages=$(whiptail --backtitle "SaturnArch" --title "PACKAGES" --checklist \
                 "Choose pre-configured groups to install" 20 78 10 \
                 "GUI" "XFCE4 Gui" ON \
                 "OFFICE" "Full LibreOffice" OFF \
                 "IMAGE_EDIT" "Gimp Inkscape" OFF \
                 "VIDEO_EDIT" "Blender" OFF \
                 "3D_PRINT" "Cura" OFF \
                 "DEVELOPMENT" "VSCode Valgrind Make Gcc" OFF \
                 "SSH" "OpenSSH server" OFF \
                 "SATELLITES" "GQRX" OFF \
                 "ASTRONOMY" "Stellarium Celestia (Gtk+)" OFF \
                 "ELECTRO" "KiCad Arduino PulseView" OFF \
                 "FPGA_ALTERA" "Quartus II" OFF \
                 "FPGA_ALTERA_OLD" "Quartus II 13.0sp1" OFF \
                 "WINDOWS" "wine (Windows OS apps support)" OFF 2>&1 1>&3)
exec 3>&-;

echo "starting install"
timedatectl set-ntp true
mount /dev/$disk /mnt
pacstrap /mnt base linux linux-firmware
genfstab -U /mnt >> /mnt/etc/fstab
arch-chroot /mnt
timedatectl set-timezone $timezone
hwclock --systohc --utc
locale-gen
echo "LANG=$lang.UTF-8" > /etc/locale.conf
echo "KEYMAP=de-latin1" > /etc/vconsole.conf
echo "$hostname" > /etc/hostname
echo "127.0.0.1	localhost" > /etc/hosts
echo "::1		localhost" >> /etc/hosts
echo "127.0.1.1	$hostname.localdomain	$hostname" >> /etc/hosts
systemctl enable dhcpcd.service
mkinitcpio -P

pacman -S ttf-dejavu

#install grub
pacman -S grub
grub-install /dev/$grubdisk
grub-mkconfig -o /boot/grub/grub.cfg

#do reboot
reboot