SECTION() { printf "\n$1\n"; }
highlight() { printf "$1\n"; }
subhighlight() { printf "$1\n"; }

source "$HOME/.zshenv"

SECTION "System"

highlight "Sudoers defaults"
echo 'Defaults	editor=/usr/bin/nvim
Defaults        env_keep="EDITOR"' |
	sudo tee /etc/sudoers.d/editor
echo 'Defaults	timestamp_timeout=120
Defaults	passwd_timeout=30' |
	sudo tee /etc/sudoers.d/timeout
subhighlight "password-free reboot"
echo "$USER ALL = NOPASSWD: /usr/bin/halt, /usr/bin/shutdown, /usr/bin/reboot, /usr/bin/poweroff, /bin/reboot, /bin/shutdown. /usr/bin/umount" |
	sudo tee /etc/sudoers.d/shutdown

highlight "Set default user in tty1,2,3"
agetty="$(sudo which agetty)" &&
	sudo mkdir -p /etc/systemd/system/getty@tty{1,2,3}.service.d &&
	echo "[Service]
Restart=Never
ExecStart=
ExecStart=-$agetty --skip-login --login-options $USER %I" |
	sudo tee /etc/systemd/system/getty@tty1.service.d/override.conf /etc/systemd/system/getty@tty2.service.d/override.conf /etc/systemd/system/getty@tty3.service.d/override.conf

highlight "Sysyadm setup"
if test -d "/etc/yadm"
then sy l
else sy clone
fi

SECTION "Software"

template() {
	local dir=$(dirname "$1")
	local file=${1/.template}
	test -d "$dir" && ! test -f "$file" &&
		cp -iv "$1" "$file"
}
template "$XDG_CONFIG_HOME/doom/user.template.el"
template "$XDG_CONFIG_HOME/MuseScore/MuseScore3.template.ini"
# TODO JOSM
# TODO audacity
# TODO puddletag

if command -v nvim >/dev/null 2>&1; then
  echo "Updating NeoVim Plugins"
  nvim '+PlugClean!' '+PlugUpgrade' '+PlugUpdate' '+qall'
fi

link() {
	test -e "$2" -o -h "$2" || $($HOME/.local/bin/scripts/checkaccess -w "$2" || echo sudo) ln -sv "$@"
}

mkdir -p "$XDG_CONFIG_HOME/audacity"
find $HOME -maxdepth 1 -type l -exec file {} + |
	grep '.local/share' | grep broken |
	sed 's/.* //' | xargs -r mkdir -p

link python /usr/bin/python3
# TODO don't link these prematurely, might lead to installation conflicts
link fdfind /usr/bin/fd
link batcat /usr/bin/bat

highlight "SSH Permissions"
chmod og= $HOME/.ssh -R
test -d "$HOME/.ssh/keys" && chmod a+r $HOME/.ssh/keys/*.pub
_ovpn="$XDG_DATA_HOME/openvpn"
test -d "$_ovpn" &&
	sudo rm -vdf /etc/openvpn/client &&
	sudo ln -vsf "$_ovpn" /etc/openvpn/client &&
	sudo chmod -vR ugo-rwx,ug+rX,u+w "$_ovpn" &&
	sudo chown -vR janek:openvpn "$_ovpn"

highlight "Cron"
echo 'cron.*				/var/log/cron.log' | sudo tee /etc/rsyslog.d/60-cron.conf
hasService=$(which service 2>/dev/null)
test "$hasService" && sudo service rsyslog restart || sudo systemctl restart rsyslog
test "$hasService" && sudo service cron reload || sudo systemctl reload cronie

highlight "Zsh"
test -n "$ZSH" || export ZSH="${XDG_DATA_HOME:-$HOME/.local/share}/zsh/oh-my-zsh"
mkdir -p "$(dirname $ZSH)"
oldzsh="$XDG_STATE_HOME/zsh/oh-my-zsh" && test ! -d "$ZSH" -a -d "$oldzsh" && mv -vn $oldzsh $ZSH
cloneshallow() {
	url=https://github.com/$2/$1.git
	dir="${3:-$ZSH/plugins/$1}"
	mkdir -p "$(dirname $dir)"
	if test -d "$dir"
	then git -C "$dir" remote set-url origin $url
	else git clone --depth=1 $url "$dir"
	fi
}
cloneshallow oh-my-zsh                  robbyrussell       "$ZSH"
cloneshallow powerlevel10k              romkatv            "$ZSH/themes/powerlevel10k"
cloneshallow fast-syntax-highlighting   zdharma-continuum
cloneshallow zsh-autosuggestions        zsh-users
cloneshallow zsh-vim-mode               softmoth
case "$(grep "^$USER" /etc/passwd | sed 's/.*://')" in (*zsh);; (*) chsh -s $(which zsh);; esac

highlight "Arch"
if test -f /etc/pacman.conf; then
	subhighlight "Pacman"
	sudo sed -i 's/#Parallel/Parallel/;s/#Color/Color/;s/#UseSyslog/UseSyslog/' /etc/pacman.conf
	sudo sed -i "$(grep -n "\[multilib\]" /etc/pacman.conf | cut -d':' -f1),+1 s/# *//" /etc/pacman.conf
	if which reflector 2>/dev/null
	then subhighlight "Reflector"
	echo "--save /etc/pacman.d/mirrorlist
		--protocol https
		--country Germany
		--latest 50
		--score 10
		--sort rate" | sudo tee /etc/xdg/reflector/reflector.conf
		sudo systemctl start reflector &
		sudo systemctl enable reflector.timer
	fi
fi

test "$DISPLAY" || exit 0
highlight "Desktop Applications"

subhighlight "Application symlinks"
link .bash_aliases "$HOME/.bashrc"
link "$HOME/.ssh/config" "$XDG_CONFIG_HOME/ssh"
link "$XDG_DATA_HOME/.cpan/CPAN/MyConfig.pm" "$XDG_CONFIG_HOME/cpan/MyConfig.pm"

link "$XDG_STATE_HOME/gradle/gradle.properties" "$XDG_CONFIG_HOME/gradle.properties"
link "$XDG_DATA_HOME/applications/signal-tray.desktop" "$XDG_CONFIG_HOME/autostart/"
link "/usr/share/applications/stretchly.desktop" "$XDG_CONFIG_HOME/autostart/"
mx="$HOME/.mixxx"
if ! test -d "$mx"
then mkdir "$mx" && ln -sv -t "$mx" ${XDG_DATA_HOME:-$HOME/.local/share}/mixxx/* $XDG_CONFIG_HOME/mixxx/*
fi

subhighlight "Setup kakoune plugin loader"
cloneshallow plug.kak robertmeta "$XDG_CONFIG_HOME/kak/plugins/plug.kak"

touch $HOME/.local/state/wget-hsts