#!/bin/sh
configure_user_files() {
	key_file="$1"
	tilde_username="$2"
	tilde_name="$3"
	user_homedir="$4"

	user_homedir="/home/$tilde_username"
	tilde_homedir="/tilde/$tilde_name/home/$tilde_username"

	sed "s|{{ TILDE_USERNAME }}|$tilde_username|g" "./templates/dotprofile.template" > "$user_homedir/.profile"
	sed -i "s|{{ TILDE_NAME }}|$tilde_name|g" "$user_homedir/.profile"
	sed -i "s|{{ KEY_FILE }}|$key_file|g" "$user_homedir/.profile"
	sed -i "s|{{ TILDE_HOMEDIR }}|$tilde_homedir|g" "$user_homedir/.profile"
	sed -i "s|{{ USER_HOMEDIR }}|$user_homedir|g" "$user_homedir/.profile"

	sed "s|{{ TILDE_HOMEDIR }}|$tilde_homedir|g" "./templates/user-dirs.dirs.template" > "$user_homedir/.config/user-dirs.dirs"
	sed "s|{{ TILDE_HOMEDIR }}|$tilde_homedir|g" "./templates/dotbashrc.template" > "$user_homedir/.bashrc"

	sed "s|{{ TILDE_USERNAME }}|$tilde_username|g" "./templates/remote_command.template" > "/tilde/bin/$tilde_name"
	sed -i "s|{{ TILDE_NAME }}|$tilde_name|g" "/tilde/bin/$tilde_name"
	sed -i "s|{{ KEY_FILE }}|$key_file|g" "/tilde/bin/$tilde_name"
	chmod +x "/tilde/bin/$tilde_name"
}

configure_user() {
	key_file="$1"
	tilde_username="$2"
	tilde_name="$3"
	startx_command="$4"

	user_homedir="/home/$tilde_username"
	tilde_homedir="/tilde/$tilde_name/home/$tilde_username"

	mkdir -p "$tilde_homedir"

	mkdir "/tilde/$tilde_name/key/"
	mv "$key_file" "/tilde/$tilde_name/key/"
	key_file="/tilde/$tilde_name/key/$(basename $key_file)"


	if ! id -u "$tilde_username" >/dev/null 2>&1
	then
		mkdir -p "$user_homedir"
		cp "/root/.gtkrc-2.0" "$user_homedir"
		cp -r "/root/.config" "$user_homedir"

		useradd "$tilde_username" -d "$user_homedir" 
		chown -R "$tilde_username:$tilde_username" "$user_homedir"
		echo "$startx_command" > "$user_homedir/.xinitrc"

		usermod -a -G sudo "$tilde_username"

		mkdir '/etc/systemd/system/getty@tty1.service.d'
		echo "[Service]" > '/etc/systemd/system/getty@tty1.service.d/override.conf'
		echo "ExecStart=" >> '/etc/systemd/system/getty@tty1.service.d/override.conf'
		echo "ExecStart=-/sbin/agetty --autologin $tilde_username %I \$TERM" >> '/etc/systemd/system/getty@tty1.service.d/override.conf'
		echo "Type=idle" >> '/etc/systemd/system/getty@tty1.service.d/override.conf'
		chsh -s '/bin/bash' "$tilde_username"
	fi

	touch "$user_homedir/first_login"

	configure_user_files "$key_file" "$tilde_username" "$tilde_name" "$user_homedir"

	chown -R "$tilde_username:$tilde_username" "$tilde_homedir"
	chown "$tilde_username:$tilde_username" "$key_file"

	sed "s|{{ TILDE_NAME }}|$tilde_name|g" "./templates/tilde_entry.template" >> "/tilde/tildes"
	sed -i "s|{{ TILDE_USERNAME }}|$tilde_username|g" "/tilde/tildes"
	sed -i "s|{{ KEY_FILE }}|$key_file|g" "/tilde/tildes"

	echo "$tilde_username@$tilde_name" > /tilde/current_tilde

	systemctl daemon-reload
}