#!/bin/sh -e
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BASE='alsa-utils base base-devel ccache efibootmgr linux-zen linux-firmware ntp'
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DRIVERS='intel-ucode intel-media-driver libva-vdpau-driver vulkan-icd-loader vulkan-intel gstreamer-vaapi'
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GNOME='file-roller gnome-calculator gdm gedit gnome-control-center gnome-keyring gnome-screenshot gnome-shell gnome-system-monitor gnome-terminal gnome-weather nautilus networkmanager xdg-user-dirs-gtk gnome-tweaks totem gst-plugins-ugly gst-libav gvfs-mtp eog'
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APPS='firefox firefox-ublock-origin telegram-desktop qt5-wayland'
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TOOLS='asp git nano neofetch pacman-contrib youtube-dl wget'
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FONTS='ttf-liberation noto-fonts noto-fonts-cjk noto-fonts-emoji noto-fonts-extra ttf-opensans'
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    ### Connect to the internet ###
#need autoconnect+test, rewrite
#wifi-menu
#sleep 3
#if ping -q -c 1 -W 1 8.8.8.8 >/dev/null; then
#  echo "IPv4 is up"
#else
#  echo "IPv4 is down"
#fi

    ### Update the system clock ###
timedatectl set-ntp true

    ### Configuring and mounting drives ###
parted --script --align optimal /dev/sda 'mklabel gpt' 'mkpart primary 0% 128MB' 'mkpart primary 128MB 126GB' 'mkpart primary 126GB 100%' 'set 1 esp on'
mkfs.vfat -F32 /dev/sda1
mkfs.ext4 -F /dev/sda2
mkswap /dev/sda3
swapon /dev/sda3
mount -o noatime,discard /dev/sda2 /mnt
mkdir /mnt/boot
mount /dev/sda1 /mnt/boot

    ### Select the mirrors ###
pacman -Sy --quiet --noconfirm --noprogressbar reflector
reflector --protocol https --sort rate --save /etc/pacman.d/mirrorlist

    ### Install the packages ###
pacstrap /mnt $BASE $DRIVERS $GNOME $APPS $TOOLS $FONTS

    ### Fstab Setup ###
genfstab -U /mnt >> /mnt/etc/fstab
sed -i "s/0 2/0 0/" /mnt/etc/fstab
sed -i "s/0 1/0 0/" /mnt/etc/fstab

mkdir /mnt/install
cat > /mnt/install/setup.sh << "EOF1"
#!/bin/sh -e

    ### Time zone ###
ln -sf /usr/share/zoneinfo/Asia/Seoul /etc/localtime
hwclock --systohc

    ### Localization ###
sed -i "s/#en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/" /etc/locale.gen
sed -i "s/#ko_KR.UTF-8 UTF-8/ko_KR.UTF-8 UTF-8/" /etc/locale.gen
sed -i "s/#ru_RU.UTF-8 UTF-8/ru_RU.UTF-8 UTF-8/" /etc/locale.gen
locale-gen
echo "LANG=en_US.UTF-8" > /etc/locale.conf

    ### Network configuration ###
echo localhost > /etc/hostname
echo -e "127.0.0.1\tlocalhost\n::1\tlocalhost\n127.0.1.1\tlocalhost.localdomain localhost" > /etc/hosts

    ### Root password ###
echo -e "$PASSWORD\n$PASSWORD\n" | passwd

    ### Creating boot entry ###
efibootmgr --disk /dev/sda --part 1 --create --label "Arch Linux" --loader /vmlinuz-linux-zen --unicode "root=PARTUUID=$(blkid -s PARTUUID -o value /dev/sda2) rw initrd=intel-ucode.img initrd=initramfs-linux-zen.img quiet udev.log_priority=3 i915.fastboot=1 i915.enable_fbc=1 i915.enable_guc=2 mitigations=off"

    ### Create a user account ###
useradd --create-home --gid users --groups wheel,lp,storage,video,network,power --shell /bin/bash user_name
echo -e "$PASSWORD\n$PASSWORD\n" | passwd user_name

    ### Enabling late microcode updates ###
#
# Use api, rewrite
#
curl --output /install/microcode.tar.gz -L https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/archive/microcode-20191115.tar.gz
tar -xf /install/microcode.tar.gz --directory /install
mv /install/Intel-Linux-Processor-Microcode-Data-Files-microcode-20191115/intel-ucode /usr/lib/firmware
# curl -s https://api.github.com/repos/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/latest \
# grep "tarball_url" \
# cut -d : -f 2,3 \
# tr -d \" \
# wget -qi -

    ### Creating pacman hook for "Reflector" ###
mkdir /etc/pacman.d/hooks
cat > /etc/pacman.d/hooks/mirrorupgrade.hook << "EOF2"
[Trigger]
Operation = Upgrade
Type = Package
Target = pacman-mirrorlist

[Action]
Description = Updating pacman-mirrorlist with reflector and removing pacnew...
When = PostTransaction
Depends = reflector
Exec = /bin/sh -c "reflector --protocol https --sort rate --save /etc/pacman.d/mirrorlist;  rm -f /etc/pacman.d/mirrorlist.pacnew"
EOF2

    ### 'mkinitcpio' Setup ###
sed -i "s/MODULES=()/MODULES=(ext4 i915)/" /etc/mkinitcpio.conf
sed -i "s/(base udev autodetect modconf block filesystems keyboard fsck)/(base udev autodetect modconf block)/" /etc/mkinitcpio.conf
mkinitcpio -p linux-zen

    ### Sound setting ###
amixer sset Master on
amixer sset Master 0.00dB
amixer sset Master 18.75dB-
amixer sset Capture cap
amixer sset Capture 12.75dB
#For soundcard
#sed -i "s/; high-priority = yes/high-priority = yes/" /etc/pulse/daemon.conf
#sed -i "s/; resample-method = speex-float-1/resample-method = copy/" /etc/pulse/daemon.conf
#sed -i "s/; default-sample-format = s16le/default-sample-format = s24le/" /etc/pulse/daemon.conf
#sed -i "s/; default-sample-rate = 44100/default-sample-rate = 96000/" /etc/pulse/daemon.conf
#sed -i "s/; alternate-sample-rate = 48000/alternate-sample-rate = 44100/" /etc/pulse/daemon.conf
#sed -i "s/; default-sample-channels = 2/default-sample-channels = 2/" /etc/pulse/daemon.conf

    ### "Makepkg" Setup ###
sed -i "s/-march=x86-64 -mtune=generic/-march=native/" /etc/makepkg.conf
sed -i 's/#MAKEFLAGS="-j2"/MAKEFLAGS="-j4"/' /etc/makepkg.conf
sed -i 's/(!distcc color !ccache check !sign)/(!distcc color ccache check !sign)/' /etc/makepkg.conf
sed -i "s/PKGEXT='.pkg.tar.xz'/PKGEXT='.pkg.tar'/" /etc/makepkg.conf

    ### Work with SystemD services ###
systemctl enable NetworkManager.service
systemctl enable bluetooth.service
systemctl enable gdm.service
systemctl mask lvm2-monitor.service
systemctl mask lvm2-lvmpolld.socket
systemctl mask lvm2-lvmetad.socket
systemctl mask cryptsetup.target

    ### Setting environment variables ###
echo "QT_QPA_PLATFORM=wayland-egl" >> /etc/environment
echo "LIBVA_DRIVER_NAME=iHD" >> /etc/environment
echo "MOZ_ENABLE_WAYLAND=1" >> /etc/environment
echo "VDPAU_DRIVER=va_gl" >> /etc/environment

    ### Setup "sudoers" ###
sed -i 's/# %wheel ALL=(ALL) ALL/%wheel ALL=(ALL) ALL/' /etc/sudoers
echo -e "\n##Sudo will provide visual feedback when the user presses a key" >> /etc/sudoers
echo "Defaults pwfeedback" >> /etc/sudoers

    ### Remove .desktop files ###
rm /usr/share/applications/avahi-discover.desktop
rm /usr/share/applications/qvidcap.desktop
rm /usr/share/applications/qv4l2.desktop
rm /usr/share/applications/bssh.desktop
rm /usr/share/applications/bvnc.desktop

    ### Other commands ###
sed -i "s/#SystemMaxUse=/SystemMaxUse=12M/" /etc/systemd/journald.conf
sed -i "s/#Storage=external/Storage=none/" /etc/systemd/coredump.conf

exit
EOF1

chmod +x /mnt/install/setup.sh
export PASSWORD=$(echo $1)
arch-chroot /mnt /install/setup.sh

rm -r /mnt/install
umount -R /mnt

echo -e "\n\n\n\n\n\n\n\n\n\n\n\n                    -@\n                   .##@\n                  .####@\n                  @#####@                     Installation completed.\n                . *######@\n               .##@o@#####@\n              /############@\n             /##############@\n            @######@**%######@\n           @######\`     %#####o               Restart the computer, do not forget to remove the USB-drive ...\n          @######@       ######%\n        -@#######h       ######@.\`\n       /#####h**\`\`       \`**%@####@\n      @H@*\`                    \`*%#@\n     *\`                            \`*\n\n\n\n\n\n\n\n\n\n\n\n"

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    ### Essential packages from AUR ###
# gnome-shell-extension-remove-dropdown-arrows 9-1
# arch-firefox-search 0.8.2-8 - not installing
# aurutils 2.3.3-1 - not installing

    ### Other commands ###
# gsettings set org.gnome.desktop.peripherals.touchpad tap-to-click 'true'
# echo "options bluetooth disable_ertm=1" >> /etc/modprobe.d/xbox_bt.conf
# xsetwacom set 14 Area 5700 4157 15200 9500
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