#/bin/sh
#@strict
#@include core
#@include color
#@include network
pass=shackit
shack_printer_ip=10.42.0.135
extra_pkg="xorg vim xfce4 feh chromium zsh sudo git flashplugin alsa-oss alsa-lib alsa-utils grub-bios slim ntp tor network-manager-applet networkmanager openssh cups cups-filters"

info "writing stdout to /tmp/install.log"
exec >> /tmp/install.log
tail -f /tmp/install.log&
defer 'pkill tail'

installer_disk(){
    find /dev/disk/by-label/ -name ARCH_\* 2>/dev/null | xargs readlink
}

find_rootdisk(){
    for i in sd vd hd;do
        for j in a b;do
            dsk="/dev/$i$j"
            test "$(installer_disk)" == "$dsk" && continue
            test -e "$dsk" && echo "$dsk" && return
        done
    done
}

rootdisk=$(find_rootdisk)
test "$rootdisk" || die "cannot find your root disk"

info "Your rootdisk is $rootdisk"
sleep 3

umount /mnt/boot ||:
umount /mnt ||:
info "starting partitioning"
(printf "o\nn\np\n\n\n+256M\n\a\nn\np\n\n\n\nw\n\n") |fdisk $rootdisk
info "done partitioning"
sleep 1
info "generating filesystem on /boot"
mkfs.ext2 ${rootdisk}1
info "Done"
sleep 1
info "starting LVM magic"
vgchange -an ||:
vgremove -f pool0 ||:
pvcreate ${rootdisk}2
vgcreate -ff pool0 ${rootdisk}2
lvcreate -l 100%free -n root pool0
info "finished creating LVM"
sleep 1
info "generating filesystems on the LVM"
mkfs.ext4 /dev/mapper/pool0-root
info "finished generating filesystems"
sleep 1
info "mounting"
mount /dev/mapper/pool0-root /mnt
mkdir /mnt/boot
mount ${rootdisk}1 /mnt/boot

info "finished mounting!"
sleep 1
info "installing!"

info "Setting http proxy"
if http_head heidi.shack:3142 &>/dev/null; then
    http_proxy=heidi.shack:3142 
    info "Heidi is reachable, will use this box as proxy"
else
    http_proxy=''
    info "Will not use any proxy"
fi
info "Installing the following packages: $extra_pkg"
if [ -n "${user_pkg:-}" ] ;then
  info "User chooses additional packages: $user_pkg"
else
  info "No additional packages set by user (\$user_pkg unset)"
fi
http_proxy=${http_proxy} pacstrap /mnt base base-devel $extra_pkg ${user_pkg:-}
info "installation done"
sleep 1
info "generating configs"
genfstab -U -p /mnt > /mnt/etc/fstab

info "beginning chroot!"
arch-chroot /mnt | tee -a /tmp/install.log  << EOF

msg() { printf "\$*\n" >&2; }
info()  { msg "$green\$*$nc"; }
error() { msg "$green\$*$nc"; }

info "generating locales"
ln -s /usr/share/zoneinfo/Europe/Berlin /etc/localtime
echo "LANG=en_US.UTF-8"  >> /etc/locale.conf
echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen
locale-gen
echo "shackbook$RANDOM" > /etc/hostname
sed -i 's/block/& lvm2/g' /etc/mkinitcpio.conf 
info "Done! "
mkinitcpio -p linux
info "setting root password"
printf "${pass}\n${pass}\n" | (passwd )
info "adding user"
useradd -d /home/shack -m -G audio,video,wheel -s /usr/bin/zsh shack
printf "${pass}\n${pass}\n" | (passwd shack)

info "editing sudoers"
printf "root ALL=(ALL) ALL\n%s ALL=(ALL) ALL\n" %wheel >> /etc/sudoers
info "configuring slim"
printf "default_user\tshack\nfocus_password\tyes\nauto_login\tyes\n" >> /etc/slim.conf
info "configuring .xinitrc"
printf "exec startxfce4\n" >> /home/shack/.xinitrc

for i in slim NetworkManager ntpd tor cups; do
    info "enabling \$i"
    systemctl enable \$i
done

### CUPS
mkdir -p /etc/cups
cat >>/etc/cups/printers.conf<<EOF
<Printer HP_LaserJet_5000_Series>
Info Shack Printer HP 5000
Location lounge
MakeModel HP LaserJet Series PCL 6 CUPS
DeviceURI socket://$shack_printer_ip
State Idle
StateTime 1387400063
Type 8400964
Accepting Yes
Shared No
JobSheets none none
QuotaPeriod 0
PageLimit 0
KLimit 0
OpPolicy default
ErrorPolicy stop-printer
</Printer>
EOF

info "installing grub"
grub-install ${rootdisk} 2>/dev/null
echo "GRUB_DISABLE_LINUX_UUID=true" >> /etc/default/grub
grub-mkconfig > /boot/grub/grub.cfg 2>/dev/null

info "installing oh-my-zsh"
curl -L https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh | sudo -u shack sh
sed -i 's/robbyrussell/afowler/g' /home/shack/.zshrc
info "fixing chrome for incognito use"
sed -i 's/Exec=chromium/Exec=chromium --incognito/g' /usr/share/applications/chromium.desktop
exit
EOF

info "configuring tor"
torrc=/mnt/etc/tor/torrc
hidden_service_dir=/var/lib/tor/hidden_service/
#@include tor
configure_hidden_service

info "We're all done, simply reboot!"