#!/usr/bin/env bash

set -euo pipefail

# Description:
#   Updates configurations of several apps according to the current (or given as parameter) desktop environment.

desktop=${1:-${XDG_CURRENT_DESKTOP:-default}}

alt() {
	local item profile
	item=$1
	profile=$2
	if [[ -e $HOME/.config/.alt/${item}-${profile} ]]; then
		ln -svfT ".alt/${item}-${profile}" "$HOME/.config/$item"
	elif [[ -e $HOME/.config/.alt/${item}-default ]]; then
		ln -svfT ".alt/${item}-default" "$HOME/.config/$item"
	fi
}

for item in "kitty" "wlogout" "ghostty"; do
	if [[ ! -L $HOME/.config/$item ]] && [[ -e $HOME/.config/$item ]]; then
		echo "Error: $HOME/.config/$item exists and is not a symlink." >&2
		exit 1
	fi

	case "$desktop" in
	niri | GNOME)
		alt "$item" niri
		;;
	*)
		alt "$item" default
		;;
	esac
done