#!/bin/bash

if ! hash zenity 2>/dev/null; then
	echo "Please install zenity."
	exit 127 # command not found error
fi
if ! hash convert 2>/dev/null; then
	echo "Please install imagemagic."
	exit 127
fi

zen_error () {
	if [ -z "$1" ]; then
		zenity --error --title="ALERT! ERROR!" --text="An unknown error has occured"
		exit 1 # general error
	else
		if [ -z "$2" ]; then
			zenity --error --title="ALERT! ERROR!" --text="$1"
			exit 1
		else
			zenity --error --title="ALERT! ERROR!" --text="$1"
			exit $2
		fi
	fi
}

HEXGLYPH=$(zenity --entry --title="Glyph hex" --text="Enter Hex value for each glyph\n\n NOT Galactic coordinates\n\n Example: 006afa556c30\tNOT: 042f:0079:0D55:006a")
[[ "$?" != "0" ]] && zen_error "Action cancelled by user" 1
if [ -z "$HEXGLYPH" ]; then
	zen_error "No data was input" 1
fi

# check if len == 12
HGLEN=${#HEXGLYPH}
if [ $HGLEN != 12 ]; then
	zen_error "12 (HEX) chars are required" 1
fi

HEXGLYPH=${HEXGLYPH^^} # Make string uppercase
echo -e "Glyph code: \e[0;94m$HEXGLYPH\e[0m" # not necessary but nice to have



exit 0