#!/system/bin/sh

set -e -u

show_usage () {
	echo "usage: termux-camera-photo [OPTIONS] <output-file>"
	echo ""
	echo "Take a photo and save it in a file. Valid options:"
	echo "  -c, --camera <camera-id>    the ID of the camera to use"
	echo "Use termux-camera-info for information about available camera IDs."
}

PARAM_CAMERA=""
PARAM_SIZE=""
O=`getopt -l camera: -l help -l size -- c:hs: "$@"`
eval set -- "$O"
while true; do
case "$1" in
	-c|--camera) PARAM_CAMERA="--ei camera $2";  shift 2;;
	-h|--help) show_usage; exit 0;;
	-s|--size) PARAM_SIZE="--ei size_index $2";  shift 2;;
	--)	shift; break;;
	*)	echo Error; exit 1;;
esac
done

touch $1
FILE=`realpath $1`

# Output is like:
# Broadcasting: Intent { cmp=com.termux.api/.PhotoActivity }
# Broadcast completed: result=13, data="http://fornwall.net"
OUTPUT=`am start --user 0 $PARAM_CAMERA $PARAM_SIZE --es file $FILE -n com.termux.api/.PhotoActivity | grep result=1 | cut -d ' ' -f 4`

if [ $? != "0" ]; then
	echo "termux-camera-photo failed - see logs by executing 'adb logcat -s termux-api:*'"
	exit 1
fi