with import <nixpkgs> {};

pkgs.writeShellScriptBin "nixos-edit" ''
	#!/bin/sh

	if [ "$1" = "init" ] ; then
		if [ "$(whoami)" = root ] ; then 
			echo "re-executing as tudbut"
			echo -n "set password for tudbut? (Y/n) "
			read yn
			if [ "$yn" != "n" ] ; then
				passwd tudbut || exit 1
			fi
			sleep 2
			echo please make sure xorg is running
			echo -n enter when ready
			read
			exec sudo -iu tudbut nixos-edit init || exit 1
		fi
		if [ "$DISPLAY" = "" ] ; then
			export DISPLAY=:0
		fi
		sudo chown -R tudbut: /etc/nixos
		echo dir setup done
		echo "> setting up ssh"
		echo ssh setup
		if ! [ -e ~/.ssh/id_*.pub ] ; then
			ssh-keygen || exit
		fi
		echo ssh key created
		cat ~/.ssh/id_*.pub | xclip -selection clipboard
		echo "-> copied to clipboard for later"
		echo adding it to syncfs
		echo "-> you will need to input your password"
		ssh root@tudbut.de "ssh -p 23 localhost 'echo -e \"# $(cat /etc/hostname)\n$(cat ~/.ssh/id_*.pub)\n\" >> .ssh/authorized_keys'" || exit 1
		echo "> ssh setup done"
		echo "> setting up git"
		git config --global user.name "TudbuT"
		git config --global user.email "forge-public@mail.tudbut.de"
		git config --global init.defaultBranch main
		git config --global push.default current
		echo configs set
		echo mounting syncfs
		mkdir ~/sync 2> /dev/null
		startsync > /dev/null 2>&1 &
		echo opening git key add page
		echo "-> close firefox when complete."
		firefox "https://git.tudbut.de/user/login?redirect_to=%2fuser%2fsettings%2fkeys" > /dev/null 2>&1
		echo correcting remote
		cd /etc/nixos
		git remote set-url origin 'ssh://git@tudbut.de:222/TudbuT/nix-setup.git'
		echo done
		exit 0
	fi

	cd /etc/nixos
	if [ "$1" = "pull" ] ; then
		git pull
	fi
	if [ "$1" = "edit" ] || [ "$1" = "" ] ; then
		sudo hx .
		git add .
		EDITOR=hx git commit -a
		git push
	fi
	if [ "$1" = "update" ] ; then
		git push
		sudo nixos-rebuild switch --upgrade
	else
		sudo nixos-rebuild switch
	fi
''