departure/departure.sh

#!/bin/bash
###### configuration #####

# stations to display
STATIONS[0]="18"
STATIONS[1]="202"



##########################

if [ -z "$(which jq)" ]; then
	printf "\\n\\n\\n\\tPackage \"jq\" required!"
	exit 1
fi

trap do_exit INT

do_exit() {
	tput cvvis # unhide cursor
	exit 0
}

tput civis # hide cursor

CHCHLOGO_L[ 0]="\\t\\t████████████████████████████████████████████████\\n"
CHCHLOGO_L[ 1]="\\t\\t██▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒██\\n"
CHCHLOGO_L[ 2]="\\t\\t██▒▒████████████████████████████████████████▒▒██\\n"
CHCHLOGO_L[ 3]="\\t\\t██▒▒██████████▒▒██▒▒████████████▒▒██▒▒██████▒▒██\\n"
CHCHLOGO_L[ 4]="\\t\\t██▒▒████▒▒▒▒▒▒████▒▒██████▒▒▒▒▒▒████▒▒██████▒▒██\\n"
CHCHLOGO_L[ 5]="\\t\\t██▒▒████▒▒████████████▒▒██▒▒████████████▒▒██▒▒██\\n"
CHCHLOGO_L[ 6]="\\t\\t██▒▒████▒▒████████▒▒██▒▒██▒▒████████▒▒██▒▒██▒▒██\\n"
CHCHLOGO_L[ 7]="\\t\\t██▒▒██████████▒▒██▒▒██▒▒████████▒▒██▒▒██▒▒██▒▒██\\n"
CHCHLOGO_L[ 8]="\\t\\t██▒▒██▒▒▒▒▒▒▒▒██▒▒██▒▒██▒▒▒▒▒▒▒▒██▒▒██▒▒████▒▒██\\n"
CHCHLOGO_L[ 9]="\\t\\t██▒▒████████████████████████████████████████▒▒██\\n"
CHCHLOGO_L[10]="\\t\\t██▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒██\\n"
CHCHLOGO_L[11]="\\t\\t████████████████████████████████████████████████\\n"
CHCHLOGO_L[12]="\\t\\t C  H  A  O  S  C  H  E  M  N  I  T  Z  .  D  E \\n"

CHCHLOGO_S[0]="\\t\\t█▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀█      "
CHCHLOGO_S[1]="\\t\\t█ █████▀█▀██████▀█▀███ █      "
CHCHLOGO_S[2]="\\t\\t█ ██ ▄▄██▄█▀█ ▄▄██▄█▀█ █      "
CHCHLOGO_S[3]="\\t\\t█ ██▄██▀█ █ █▄██▀█ █ █ █      "
CHCHLOGO_S[4]="\\t\\t█ █▄▄▄▄█▄█▄█▄▄▄▄█▄█▄██ █      "
CHCHLOGO_S[5]="\\t\\t█▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄█      "

append_five_line_symbol()
{
	local -n LINES=$1
	case $2 in
		"0")
			LINES[0]+=" █████"
			LINES[1]+=" █   █"
			LINES[2]+=" █   █"
			LINES[3]+=" █   █"
			LINES[4]+=" █   █"
			LINES[5]+=" █████"
			;;
		"1")
			LINES[0]+="     █"
			LINES[1]+="     █"
			LINES[2]+="     █"
			LINES[3]+="     █"
			LINES[4]+="     █"
			LINES[5]+="     █"
			;;
		"2")
			LINES[0]+=" █████"
			LINES[1]+="     █"
			LINES[2]+=" ▄▄▄▄█"
			LINES[3]+=" █▀▀▀▀"
			LINES[4]+=" █    "
			LINES[5]+=" █████"
			;;
		"3")
			LINES[0]+=" █████"
			LINES[1]+="     █"
			LINES[2]+=" ▄▄▄▄█"
			LINES[3]+=" ▀▀▀▀█"
			LINES[4]+="     █"
			LINES[5]+=" █████"
			;;
		"4")
			LINES[0]+=" █   █"
			LINES[1]+=" █   █"
			LINES[2]+=" █▄▄▄█"
			LINES[3]+=" ▀▀▀▀█"
			LINES[4]+="     █"
			LINES[5]+="     █"
			;;
		"5")
			LINES[0]+=" █████"
			LINES[1]+=" █    "
			LINES[2]+=" █▄▄▄▄"
			LINES[3]+=" ▀▀▀▀█"
			LINES[4]+="     █"
			LINES[5]+=" █████"
			;;
		"6")
			LINES[0]+=" █████"
			LINES[1]+=" █    "
			LINES[2]+=" █▄▄▄▄"
			LINES[3]+=" █▀▀▀█"
			LINES[4]+=" █   █"
			LINES[5]+=" █████"
			;;
		"7")
			LINES[0]+=" █████"
			LINES[1]+="     █"
			LINES[2]+="     █"
			LINES[3]+="     █"
			LINES[4]+="     █"
			LINES[5]+="     █"
			;;
		"8")
			LINES[0]+=" █████"
			LINES[1]+=" █   █"
			LINES[2]+=" █▄▄▄█"
			LINES[3]+=" █▀▀▀█"
			LINES[4]+=" █   █"
			LINES[5]+=" █████"
			;;
		"9")
			LINES[0]+=" █████"
			LINES[1]+=" █   █"
			LINES[2]+=" █▄▄▄█"
			LINES[3]+=" ▀▀▀▀█"
			LINES[4]+="     █"
			LINES[5]+=" █████"
			;;
		":")
			LINES[0]+="      "
			LINES[1]+="  ███ "
			LINES[2]+="  ▀▀▀ "
			LINES[3]+="  ▄▄▄ "
			LINES[4]+="  ███ "
			LINES[5]+="      "
			;;
		*)
	esac
}

get_cvag_station_name()
{
	local -n _STANAME=$1
	local -n _STATIONS=$2

	COMPLETE_STATION_LIST="$(curl --connect-timeout 5 -s "http://www.cvag.de/eza/mis/stations?minLat=0&maxLat=100&minLon=0&maxLon=100")"
	for ((i=0; i<${#_STATIONS[*]}; i++)); 	do
		case ${_STATIONS[$i]} in
			''|*[!0-9]*)
				_STANAME[$i]=$(echo -n "$COMPLETE_STATION_LIST" | jq -r '.stations | .[] | select(.displayName | contains("'"${_STATIONS[$i]}"'")) | .number')
				;;

			*)
				_STANAME[$i]=$(echo -n "$COMPLETE_STATION_LIST" | jq -r '.stations | .[] | select(.number | contains('"${_STATIONS[$i]}"')) | .displayName')
				;;
		esac
	done
}

draw_logo_time()
{
	local -n _MYOUTPUT=$1
	local TIME=$2
	LOGO_TIME=("${CHCHLOGO_S[@]}")

	for((k=1; k<6; k++)); do
		append_five_line_symbol LOGO_TIME $(echo "$(date --date="@$TIME" +"%H:%M")" | cut -b"$k")
	done
	_MYOUTPUT="$_MYOUTPUT""\\n\\n""${LOGO_TIME[0]}""\\n""${LOGO_TIME[1]}""\\n""${LOGO_TIME[2]}""\\n""${LOGO_TIME[3]}""\\n""${LOGO_TIME[4]}""\\n""${LOGO_TIME[5]}"
}

LOGO_LINES_POSITION=0
STANAME=()
NUMOFSTA=${#STATIONS[*]}
while true; do
	if ! ping -q -c1 chch.it>/dev/null; then
		echo -e "\\n\\n\\n\\tNo internet connection!"
		sleep 10
		clear
	else
		[ ${#STANAME[@]} -eq 0 ] && get_cvag_station_name STANAME STATIONS
		MYOUTPUT="\\n "

		LOGO_LINES_POSITION=$(((LOGO_LINES_POSITION + 1) % (NUMOFSTA + 1)))
		for ((j=0; j<"$NUMOFSTA"; j++)); do
			STATION_SCHEDULE="$(curl --connect-timeout 5 -s http://cvag.de/eza/mis/stops/station/CAG-${STATIONS[$j]})"

			STATION_STOPS=$(echo "$STATION_SCHEDULE" | jq -r ".stops | .[]")
			STATION_NOW=$(echo "$STATION_SCHEDULE" | jq -r ".now")

			[ ${#STATION_NOW} -lt 1 ] && STATION_NOW="0"
			REALSTATION_NOWMS=$(( "$STATION_NOW" % 1000 ))
			[ ${#REALSTATION_NOWMS} -lt 3 ] && REALSTATION_NOWMS="0""$REALSTATION_NOWMS"
			REALSTATION_NOW=$(( "$STATION_NOW" / 1000))
			THISDATE=$(date --date="@$REALSTATION_NOW" +"%d.%m.%Y %T")",$REALSTATION_NOWMS"

			# Wenn Logo gezeichnet werden soll, baue Urzeit ran und zeichne
			[ "$j" -eq "$LOGO_LINES_POSITION" ] &&	draw_logo_time MYOUTPUT $REALSTATION_NOW

			# ohne dieses IFS trennt BASH an Space und erstellt damit zu viele Array-Felder
			IFS='
'
			DESTINATIONS=($(echo -n "$STATION_STOPS" | jq -r '.destination'))
			LINES=($(echo -n "$STATION_STOPS" | jq -r '.line'))
			ACDEPS=($(echo -n "$STATION_STOPS" | jq -r '.actualDeparture'))
			LINECOUNT=${#LINES[*]}
			for((i=${#STANAME[$j]}; i<31; i++)); do
				STANAME[$j]="${STANAME[$j]}"" "
			done
			MYOUTPUT="$MYOUTPUT"'\n\n\t\t┌────────────────────────────────┬─────────────────────────┐ \n\t\t│ '"${STANAME[$j]}"'│ '"$THISDATE"' │\n\t\t├────────────────────┬─────┬─────┴─────────────────────────┤\n'
			for ((i=0; i<"$LINECOUNT"; i++)); do
				for((k=${#LINES[$i]}; k<3 ; k++)); do
					LINES[$i]=" ""${LINES[$i]}"
				done
				for((k=${#DESTINATIONS[$i]}; k<29 ; k++)); do
					DESTINATIONS[$i]="${DESTINATIONS[$i]}"" "
				done
				MILLIS=$((${ACDEPS[$i]} - STATION_NOW))
				[ "$MILLIS" -lt 0 ] && MILLIS=0
				SEKS=$((MILLIS / 1000))
				MILLIS=$((MILLIS % 1000))
				MINS=$((SEKS / 60))
				SEKS=$((SEKS % 60))
				MINSSPACE=""
				SEKSSPACE=""
				MILLISSPACE=""
				[ "$MINS" -lt 100 ]   && MINSSPACE=" "
				[ "$MINS" -lt 10 ]    && MINSSPACE="  "
				[ "$SEKS" -lt 10 ]    && SEKSSPACE=" "
				[ "$MILLIS" -lt 100 ] && MILLISSPACE="0"
				[ "$MILLIS" -lt 10 ]  && MILLISSPACE="00"
				MYOUTPUT="$MYOUTPUT""\\t\\t│${MINSSPACE}${MINS} min ${SEKSSPACE}${SEKS},${MILLISSPACE}${MILLIS} s    │ ${LINES[$i]} │ ${DESTINATIONS[$i]} │\\n"
			done
			MYOUTPUT="$MYOUTPUT"'\t\t└────────────────────┴─────┴───────────────────────────────┘'
		done
		[ "$LOGO_LINES_POSITION" -eq "$NUMOFSTA" ] && draw_logo_time MYOUTPUT $REALSTATION_NOW
		clear
		#reset
		echo -e "$MYOUTPUT"
	fi
	sleep 10
done

exit 1