Bash script that gives minecraft server info including color formatting for MOTD using mcstatus api

mcstatus

#!/usr/bin/env bash

verbose=0
motd=1
ver=1
mods=0
noaddr=0
plugins=1
hide_players=1

log (){
	[ "$verbose" -eq 1 ] && printf "[DEBUG] %s\n" "$@"
}

declare -A COLOR_MAP=(
	# heck i accidentally wrote all of this..
	[0]="\e[38;2;0;0;0m"
	[1]="\e[0;34m"
	[2]="\e[0;32m"
	[3]="\e[0;36m"
	[4]="\e[0;31m"
	[5]="\e[0;35m"
	[6]="\e[0;33m"
	[7]="\e[38;2;42;42;42m" # java color
	[8]="\e[38;2;21;21;21m"
	[9]="\e[0;94m"
	[a]="\e[0;92m"
	[b]="\e[0;96m"
	[c]="\e[0;91m"
	[d]="\e[0;95m"
	[e]="\e[0;93m"
	[f]="\e[0;97m"

	[l]="\e[1m" # bold
	[m]="\e[9m" # strikethrough
	[n]="\e[4m" # underlined
	[o]="\e[3m" # italic
	[r]="\e[0m" # reset
)
printf "\n"
help (){
	if [[ "$1" == "short" ]]; then
		printf "Usage: %s [-abhvV] <address>\n" "$(basename "$0")"
		exit 1
	fi
	printf "Usage: %s [-abhvV] <address>\n" "$(basename "$0")"
	printf """
	-a, --no-address
	Don't show the IP Address.
	-h, --help
	Display this help.
	-m, --show-mods
	Display list of mods.
	-p, --hide-plugins
	Hide plugins list.
	-v, --hide-versions
	Don't show server version.
	-V, --verbose
	Turn on verbose mode (debug mode).

	More information about this command or filing a bugs, visit this repository: <https://github.com/crischutu07/mcstatus>\n"""
	exit 1
}
OPTIONS=$(getopt -o ahmpPvV --long no-address,help,show-mods,hide-plugins,hide-players,hide-versions,verbose -- "$@")
# shellcheck disable=SC2181
if [ $? -ne 0 ]; then
	help short
fi

eval set -- "$OPTIONS"

while true; do
	case "$1" in
		-a | --no-address) noaddr=1; shift;;
		-h | --help) help;;
		-m | --show-mods) mods=1; shift;;
		-p | --hide-plugins) plugins=0; shift;;
		-P | --hide-players) hide_players=0; shift;;
		-v) ver=0; shift;;
		-V|--verbose) verbose=1; shift;;
		--) shift; break;;
		*) help "short"; break;;
	esac
done
for i in "$@"; do
	normal_argv+=("$i")
done

address="${normal_argv[0]}"
log "OPTIONS: $OPTIONS"
log "ADDR: $address (${normal_argv[1]})"
shift

if [[ -z "$address" ]]; then
	help
fi

CONTENTS="$(curl -s "https://api.mcstatus.io/v2/status/java/$address")"
[[ "$CONTENTS" == "Invalid address value" ]] && {
	echo "$CONTENTS"; exit 1
}
[[ "$(jq -r '.online' <<< "$CONTENTS")" != "true" ]] && {
	log "API Returned Server is Offline."; online='!' 
	motd=0; ver=0; mods=0; plugins=0
} || {
	log "API Returned Server is Online"; online='✓'
}
addr=$(jq -r '.ip_address' <<< "$CONTENTS")
log "Address: $addr"
if [[ "$addr" == "null" ]]; then
	log "IP Address from domain not found: $addr"; addr="Not Found"
fi

if [[ "$noaddr" == 1 ]]; then
	echo "($online) Address: $address"
else
	echo "($online) Address: $address ($addr)"
fi
((motd)) && {
	motd="$(jq -r '.motd.raw' <<< "$CONTENTS")"
  # used for saving color formatting state
	PARSE_COLOR=0
	for ((i=0; i<${#motd}; i++)); do
		# get only 1st char
		CHAR="${motd:$i:1}"
		if [ "$PARSE_COLOR" -eq 1 ]; then
			printf "${COLOR_MAP[$CHAR]}"
			PARSE_COLOR=0
		else
			if [[ "$CHAR" == "§" ]]; then
				PARSE_COLOR=1
			else
				printf "$CHAR"
			fi
		fi
	done
	# reset terminal color
	printf "${COLOR_MAP[r]}\n"
}
((ver)) && {
	echo "Version: $(jq -r '.version.name_clean' <<< "$CONTENTS")"
}

((plugins)) && {
	plugins_count=$(jq -r '.plugins | length' <<< "$CONTENTS")
	if [[ $plugins_count != 0 ]]; then
		echo "╭ Plugins ($plugins_count)"
		for ((i=0; i<plugins_count; i++)); do
			plugin_name=$(jq -r ".plugins[$i].name" <<< "$CONTENTS")
			plugin_version=$(jq -r ".plugins[$i].version" <<< "$CONTENTS")
			if [[ "$i" -eq "$((plugins_count-1))" ]]; then
				printf "└── %s\n" "$plugin_name ($plugin_version)"
			else
				printf "├── %s\n" "$plugin_name ($plugin_version)"
			fi
		done
	fi
}

((mods)) && {
	mods_count=$(jq -r '.mods | length' <<< "$CONTENTS")
	if [[ $mods_count != 0 ]]; then
		echo "╭ Mods ($mods_count)"
		for ((i=0; i<mods_count; i++)); do
			mod_name=$(jq -r ".mods[$i].name" <<< "$CONTENTS")
			mod_version=$(jq -r ".mods[$i].version" <<< "$CONTENTS")
			if [[ "$i" -eq "$((mods_count-1))" ]]; then
				printf "└── %s\n" "$mod_name ($mod_version)"
			else
				printf "├── %s\n" "$mod_name ($mod_version)"
			fi
		done
	fi
}


((hide_players)) && {
	players=$(jq -r '.players' <<< "$CONTENTS")
	if [[ "$players" != "null" ]]; then
		player_count=$(jq -r '.players.list | length' <<< "$CONTENTS")
		player_online=$(jq -r '.players.online' <<< "$CONTENTS")
		max_players=$(jq -r '.players.max' <<< "$CONTENTS")
		if [[ "$player_count" -gt 0 ]]; then
			echo "╭ Players ($player_online/$max_players)"
			for ((i=0; i<player_count; i++)); do
				player_name=$(jq -r ".players.list[$i].name_clean" <<< "$CONTENTS")
				if [[ "$i" -eq "$((player_count-1))" ]]; then
					printf "└── %s\n" "$player_name"
				else
					printf "├── %s\n" "$player_name"
				fi
			done
		else
			echo "Players ($player_online/$max_players)"
		fi
	fi
}