#!/bin/sh

# == MY ARCH SETUP INSTALLER == #
#part1

# Restoring Terminal Defaults
printf '\033c'

echo "Welcome to Arch Linux installer script!"

# Increasing pacman's download streams to 5
sed -i "s/^#ParallelDownloads = 5$/ParallelDownloads = 5/" /etc/pacman.conf

# Printing out conneted drives and asking which drive to partition and how, then mounting them.
lsblk
echo "Enter the drive you want to install the OS on: "
read drive
cfdisk $drive
echo "Enter the partition for your root: "
read rootpartition
mkfs.ext4 $rootpartition
echo "Enter the partition for your home: "
read homepartition
mkfs.ext4 $homepartition
read -p "Did you also create efi partition? [y/n]" answer
if [[ $answer = y ]] ; then
  echo "Enter EFI partition: "
  read efipartition
  mkfs.fat -F32 $efipartition
fi
mount $rootpartition /mnt
mkdir /mnt/home
mount $homepartition /mnt/home

# Generating fstab file so the system can find our filesystem on reboot
mkdir /mnt/etc
genfstab -U -p /mnt >> /mnt/etc/fstab

# Downloading the core system utilities
pacstrap -i /mnt base

# Generating the second part of the script from the current one and then chrooting into our live installion and executing the new script.
sed '1,/^#part2$/d' `basename $0` > /mnt/arch_install2.sh
chmod +x /mnt/arch_install2.sh
arch-chroot /mnt ./arch_install2.sh
exit

#part2

# Restoring Terminal Defaults
printf '\033c'

# Downloading the kernel base developement and network packages and starting thier services
pacman -S --noconfirm sed linux linux-headers base-devel networkmanager wpa_supplicant wireless_tools netctl dialog
systemctl enable NetworkManager

# Increasing pacman's download streams to 5
sed -i "s/^#ParallelDownloads = 5$/ParallelDownloads = 15/" /etc/pacman.conf

# Enabling multilib support
echo "[multilib]" >> /etc/pacman.conf
echo "Include = /etc/pacman.d/mirrorlist" >> /etc/pacman.conf

# Setting up locales keymap and language settings 
ln -sf /usr/share/zoneinfo/Asia/Kolkata /etc/localtime
echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen
locale-gen
echo "LANG=en_US.UTF-8" > /etc/locale.conf
echo "KEYMAP=us" > /etc/vconsole.conf

# Setting up system name hosts bootloader and the users
echo "Hostname: "
read hostname
echo $hostname > /etc/hostname
echo "127.0.0.1       localhost" >> /etc/hosts
echo "127.0.1.1       $hostname.localdomain $hostname" >> /etc/hosts
mkinitcpio -P
passwd
pacman --noconfirm -Sy grub efibootmgr os-prober dosfstools mtools
echo "Enter EFI partition: "
read efipartition
mkdir /boot/EFI
mount $efipartition /boot/EFI
grub-install --target=x86_64-efi --bootloader-id=grub_uefi --recheck
cp /usr/share/locale/en\@quot/LC_MESSAGES/grub.mo /boot/grub/locale/en.mo
grub-mkconfig -o /boot/grub/grub.cfg

echo "Enter Swap Size: "
read swapsize
mkswap -U clear --size $swapsize --file /swapfile
swapon /swapfile
echo "/swapfile none swap defaults 0 0" >> /etc/fstab

echo "%wheel ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
echo "Enter Username: "
read username
useradd -m -g users -G wheel $username
passwd $username

ai3_path=/home/$username/arch_install3.sh
sed '1,/^#part3$/d' arch_install2.sh > $ai3_path
chown $username:users $ai3_path
chmod +x $ai3_path

# Installing various CPU and GPU drivers
read -p "Are you in a virtual machince? [y/n]" answer
if [[ $answer = y ]] ; then
  pacman -Sy virtualbox-guest-utils xf86-video-vmware
  exit
fi

read -p "Do you have AMD cpu or Intel CPU? [amd/intel]" answer
if [[ $answer = amd ]] ; then
  pacman --noconfirm -Sy amd-ucode
else
  pacman --noconfirm -Sy intel-ucode
fi

read -p "Do you have AMD gpu or Nvidia gpu? [amd/nvidia]" answer
if [[ $answer = nvidia ]] ; then
  pacman --noconfirm -Sy nvidia
else
  pacman --noconfirm -Sy mesa
fi

echo "Pre-Installation Finish Reboot now"

exit


#part3

# Setting up terminal defaults 
printf '\033c'

# Installing programs 
sudo pacman -Syu --noconfirm xorg-server xorg-xinit libx11 libxinerama libxft webkit2gtk git xorg-xkill xorg-xrandr autorandr xorg-xsetroot sxiv calcurse mpv ffmpeg fzf python-pywal xclip man flameshot neovim dunst aerc curl ffmpegthumbnailer htop lazygit pavucontrol plocate pulseaudio pulsemixer pzip rsync openssh starship ttf-terminus-nerd xbindkeys picom reflector yazi qutebrowser 

# Making folders for the user
 
cd $HOME
mkdir -p .local/screenshots
mkdir -p .local/gitrepo
mkdir -p .local/sourcecode
mkdir -p .local/scripts
mkdir -p .local/documents

# Generating Dotfiles



# Downloading wallpapers

cd $HOME
git clone --depth=1 https://gitlab.com/dwt1/wallpapers .local/wallpapers

# source .bashrc
wal -i ~/.local/wallpapers/0239.jpg

# Setting up neovim plugins

exit