#!/bin/bash
# wut-water
# Usage:
# wut-water [Observation ID] [Observation ID] [Observation ID] ...
# Example:
# wut-water 1446272 1456893
# Download Observation: JSON and waterfall. Not audio or data files.

APIURL="https://network.satnogs.org/api"
DOWNDIR="/srv/satnogs/download"

cd $DOWNDIR || exit

# XXX Should check input is sane...
OBS="$@"

# Download JSON
for OBSID in $OBS
	do mkdir -p $OBSID
	cd $OBSID
	# Download if is isn't there already
	[ ! -f $OBSID.json ] && curl					\
		--http2 --ipv4						\
		--silent						\
		--output $OBSID.json					\
		"$APIURL/observations/?id=$OBSID&ground_station=&satellite__norad_cat_id=&transmitter_uuid=&transmitter_mode=&transmitter_type=&vetted_status=&vetted_user=&start=&end="
	cd ..
done

# Download Waterfall
OBS="$@"
for OBSWATER in $OBS
	do cd $OBSWATER
	WATERURL=`cat $OBSID.json | jq --compact-output '.[0] | {waterfall}' | cut -f 2- -d : | sed -e 's/}//g' -e 's/http:/https:/g' -e 's/"//g'`
	WATERFILE=`basename $WATERURL`
	[ ! -f $WATERFILE ] &&						\
	curl								\
		--silent						\
		--http2 --ipv4						\
		--continue-at -						\
		--remote-time						\
		--output $WATERFILE					\
		$WATERURL	
	cd ..
done

exit 0