#!/usr/bin/env bash

usage() {
	echo "Usage: command | clipcopy [-h]

copy text from STDIN onto your clipboard

e.g. 'ls | clipcopy'

on X, puts text on 'clipboard', doesn't affect selection clipboard
on mac, uses pbcopy (cmd+c/v clipboard)
on termux, this requires the termux API
on windows, uses clip.exe"
	exit "${1:-0}"
}

if [[ "$1" == '-h' ]]; then
	usage
fi

STDIN="$(cat)"

[[ -z "${STDIN}" ]] && {
	echo -e 'clipcopy: No data received from STDIN\n' >&2
	usage 1
}

case "${ON_OS:-$(on_machine)}" in
linux*)
	if [[ -n "$WAYLAND_DISPLAY" ]] && havecmd wl-copy; then
		printf '%s' "${STDIN}" | wl-copy
	else
		printf '%s' "${STDIN}" | xclip -in -selection clipboard
	fi
	;;
mac*)
	printf '%s' "${STDIN}" | pbcopy
	;;
windows*)
	printf '%s' "${STDIN}" | clip.exe
	;;
android_termux*)
	havecmd -V 'install the termux API package: https://github.com/termux/termux-api' termux-clipboard-set || exit $?
	printf '%s' "${STDIN}" | termux-clipboard-set
	;;
*)
	echo "clipcopy: not sure how to access clipboard..." >&2
	printf '%s\n' "${STDIN}"
	exit 1
	;;
esac