i3bar METAR information fetched from FAA AviationWeather.gov API

i3bar-metar.zsh

# For base16 colors, visit https://github.com/tinted-theming/base16-shell/tree/main

metar_bar () {
	echo '{"version":1, "click_events":true}'
	echo '['
	echo "[{\"name\":\"refresh\",\"full_text\":\"Refreshing...\"}]"
	while true
	do
		METAR_JSON=$(curl -s -X 'GET' "https://aviationweather.gov/api/data/metar?ids=$1&format=json&taf=false" -H "accept: text/plain") 
		METAR_GEOJSON=$(curl -s -X 'GET' "https://aviationweather.gov/api/data/metar?ids=$1&format=geojson&taf=false" -H "accept: text/plain") 
		METAR_FLTCAT=$(echo $METAR_GEOJSON | jq -r '.features[1].properties.fltcat') 
		METAR_TYPE=$(echo $METAR_JSON | jq -r '.[0].metarType') 
		METAR_TEXT=$(echo $METAR_JSON | jq -r '.[0].rawOb') 
		METAR_OBSTIME=$(echo $METAR_JSON | jq -r '.[0].obsTime') 
		COLOR="#$BASE16_COLOR_03_HEX" 
		if [[ $METAR_FLTCAT == "VFR" ]]
		then
			COLOR="#$BASE16_COLOR_0B_HEX" 
		fi
		if [[ $METAR_FLTCAT == "MVFR" ]]
		then
			COLOR="#$BASE16_COLOR_0D_HEX" 
		fi
		if [[ $METAR_FLTCAT == "IFR" ]]
		then
			COLOR="#$BASE16_COLOR_08_HEX" 
		fi
		if [[ $METAR_FLTCAT == "LIFR" ]]
		then
			COLOR="#$BASE16_COLOR_0E_HEX" 
		fi
		if [[ $METAR_TYPE == "METAR" ]]
		then
			TYPE_COLOR="#$BASE16_COLOR_04_HEX" 
		else
			TYPE_COLOR="#$BASE16_COLOR_09_HEX" 
		fi
		print_metar_statusline () {
			AGE=$[($(date +%s)-$METAR_OBSTIME)/60] 
			AGE_COLOR="#$BASE16_COLOR_0B_HEX" 
			if [[ $METAR_TYPE == "METAR" ]]
			then
				if [[ $AGE -ge 40 ]]
				then
					AGE_COLOR="#$BASE16_COLOR_0A_HEX" 
				fi
			else
				if [[ $AGE -ge 20 ]]
				then
					AGE_COLOR="#$BASE16_COLOR_0A_HEX" 
				fi
			fi
			if [[ $AGE -ge 60 ]]
			then
				AGE_COLOR="#$BASE16_COLOR_08_HEX" 
			fi
			LINE=",[{\"name\":\"FLTCAT\",\"separator\":true,\"color\":\"#$BASE16_COLOR_00_HEX\",\"background\":\"$COLOR\",\"separator_block_width\":1,\"full_text\":\" $METAR_FLTCAT \"}" 
			LINE="$LINE,{\"name\":\"AGE\",\"separator\":false,\"separator_block_width\":0,\"color\":\"#$BASE16_COLOR_00_HEX\",\"background\":\"$AGE_COLOR\",\"full_text\":\" $AGE min old \"}" 
			LINE="$LINE,{\"name\":\"SPECI\",\"separator\":false,\"separator_block_width\":0,\"color\":\"$TYPE_COLOR\",\"full_text\":\" $METAR_TYPE \"}" 
			LINE="$LINE,{\"name\":\"METAR\",\"separator\":false,\"separator_block_width\":0,\"color\":\"#$BASE16_COLOR_04_HEX\",\"full_text\":\"$METAR_TEXT \"}]" 
			echo $LINE
		}
		print_metar_statusline
		while [[ ! -n $clickevent ]] && [[ $AGE -lt 65 ]]
		do
			read -t30 clickevent
			BTN_CLICKED=$(echo $clickevent | grep -Eo '"button":[0-9]') 
			if [ "$BTN_CLICKED" = '"button":3' ]
			then
				unset clickevent
				echo "[ $METAR_FLTCAT | $AGE min old ] $METAR_TYPE $METAR_TEXT" | xclip -selection c
			else
				print_metar_statusline
			fi
		done
		unset clickevent
		echo ",[{\"name\":\"refresh\",\"full_text\":\"Refreshing...\"}]"
		sleep 1
	done
}