#!/bin/sh -eu

expires=
while getopts e:h opt; do
	case "$opt" in
	e)
		if ! printf %d "$OPTARG" >/dev/null 2>&1; then
			printf "%s: invalid number '%d'\n" "${0##*/}" "$OPTARG"
			exit 1
		fi
		expires="$OPTARG"
		;;
	h)
		cat <<-EOF
Usage: ${0##*/} [-e EXPIRES] [FILE]

Upload FILE (or stdin) to envs.sh and print the URL

	-e EXPIRES	Set the expiration time, either hours or epoch milliseconds
		EOF
		exit 0
		;;
	?)
		printf 'Usage: %s [-e EXPIRES] [FILE]\n' "${0##*/}"
		exit 1
		;;
	esac
done
shift $((OPTIND-1))
if [ $# -gt 1 ]; then
	printf 'Usage: %s [-e EXPIRES] [FILE]\n' "${0##*/}"
	exit 1
fi
file="${1:-/dev/stdin}"
[ "$file" = '-' ] && file="/dev/stdin"

url="$(curl -fsS -F file=@"$file" ${expires:+-F expires="$expires"} https://envs.sh)"
printf '%s\n' "$url"
wl-copy "$url"