#!/bin/bash

cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1
input=ramadan.png
output=ramadan_added.png
source .env
rm $output > /dev/null 2>&1

# Get today's date in seconds since the epoch
today=$(date +%s)
# Get the target date in seconds since the epoch
target=$(date -d "$1" +%s)
# Calculate the number of seconds between the two dates
diff=$(($target - $today))

# Only output the number of days if the target date is in the future
if [ $diff -gt 0 ]
then
	# Convert the number of seconds to days
	days=$(($diff / 86400))

	# Add a leading zero if the day count is less than 10
	if [ $days -lt 10 ]
	then
		days=$(printf "%02d" $days)
	fi
else
	echo The day already passed...
	exit
fi

# Set variables for processing
position=+350+560
fontsize=250
fontstyle=$PWD/ARLRDBD.TTF
color='#be954a'

convert $input \
	-font $fontstyle \
	-pointsize $fontsize \
	-fill $color \
	-annotate $position $days \
	$output

curl -s -F photo=@$output $TG_BOTAPI$TG_BOT_TOKEN/sendphoto?chat_id=$TG_CHATID