#!/usr/local/bin/andy

set -e NOTIFY_LONG  unicode
set -e NOTIFY_SHORT `basename $args[0]

func setup {
	curl 'https://www.unicode.org/Public/UNIDATA/UnicodeData.txt'
	| awk '
	BEGIN             { FS = ";" }
	$2 == "<control>" { $2 = $11 }
	$2 !~ /(First|Last)>$/ {
		while (match($2, /[A-Z]{2,}([^)]|$)/)) {
			car = substr($2, RSTART, 1)
			cdr = substr($2, RSTART + 1, RLENGTH - 1)
			sub(/[A-Z]{2,}([^)]|$)/, car tolower(cdr), $2)
		}
		long = substr("00000000", 1, 8 - length($1)) $1
		printf "\\U%s;U+%s %s\n", long, $1, $2
	}
	' >$DATA
}

set DATA $(XDG_DATA_HOME:$HOME/.local/share)/unicode-data
test -f $DATA || setup

func read_runes {
	cut -d';' -f1 $DATA | read -gd\n runes
}

async read_runes
set i `cut -d';' -f2 $DATA | osel -i
wait
set rune `printf $runes[$i]

if test -t 2 {
	wl-copy -n $rune
	| notify 'Rune Copied' "The rune ‘$rune’ was copied to the clipboard"
} else {
	wtype -- $rune
}