#!/bin/sh
#

_usage() {
	cat <<EOF
Usage:
	scrn-sht -o <clip|file>

		-h          - show this help

		-o clip     - grab screenshot to clipboard
		-o file     - grab screenshot and save it to the file
EOF

	exit ${1}
}

if [ $# -lt 1 ]; then  _usage 2; fi

DATE=$( date +%Y%m%d_%H%M%S )
DIR="${HOME}/media/screenshots"
FILE="${DIR}/$( hostname | cut -d. -f1 )_${DATE}.png"
SHOT=$( which import )
XCLIP=$( which xclip )

[ -z ${SHOT} ] && {
	echo "ER: no screenshot app in \$PATH"
	echo "IN: provide ${lightgreen}import${nc} from ImageMagick(1) into your \$PATH"
	exit 1
}

[ -z ${XCLIP} ] && {
	echo "ER: no xclip app in \$PATH"
	echo "IN: provide ${lightgreen}xclip${nc} into your \$PATH"
	exit 1
}

mkdir -p ${DIR} || {
	echo "ER: cannot create ${DIR} dir"
	exit 1
}

while getopts ho: OPT; do
	case ${OPT} in
		o)
			case ${OPTARG} in
				clip)
					${SHOT} -frame -silent png:- | \
						${XCLIP} -selection clipboard -target image/png
					;;
				file) ${SHOT} -frame -silent ${FILE} ;;
			esac
			;;
		h) _usage 0 ;;
		*) _usage 2 ;;
	esac
done