#!/bin/sh -eu

# term-menu: reads a list of newline-separated choices from stdin, asks the
# user to pick one with fzf, prints it to stdout
#
# Best used with the following Sway config snippet:
#
#     for_window [app_id="^term-menu$"] floating enable, border none
#
# Example usage to launch a command:
#
#     dmenu_path | term-menu | xargs swaymsg exec

in_pipe="$XDG_RUNTIME_DIR/menu-in.$$.pipe"
out_pipe="$XDG_RUNTIME_DIR/menu-out.$$.pipe"

mkfifo "$in_pipe" "$out_pipe"
trap "rm -f $in_pipe $out_pipe" EXIT

app_id=term-menu
chooser="fzf <$in_pipe >$out_pipe"

case "$TERM" in
alacritty)
	alacritty --class "$app_id" --command sh -c "$chooser" &
	;;
foot)
	foot --app-id "$app_id" -- sh -c "$chooser" &
	;;
termite)
	termite --name "$app_id" -e "sh -c '$chooser'" &
	;;
*)
	echo >&2 "term-menu: unsupported terminal: $TERM"
	exit 1
esac

cat >"$in_pipe"
cat <"$out_pipe"