#!/bin/bash

#echo "It looks like it worked!" > temp_image_text.txt

#cat temp_image_text.txt | convert -background white -fill black -font $HOME/.local/share/fonts/Lora-Regular.ttf -size 900x900 -pointsize 48 -gravity center -interline-spacing 10 caption:@- $1
#convert $1 -gravity center -extent 1024x1024 $1

final=$1
font=$2
author=$3

if [ -z "$final" ]; then
	read -p "Output filename [writeas.png]? " final
	if [ -z "$final" ]; then
		final=writeas.png
	fi
fi

if [ -z "$font" ]; then
	read -p "Font (norm,sans,mono) [norm]? " font
	if [ -z "$font" ]; then
		font="norm"
	fi
fi

if [ -z "$author" ]; then
	read -p "Author/username []? " author
fi

read -p "Subdomain (y/N)? " answer
case ${answer:0:1} in
    y|Y )
        sub="sub"
    ;;
    * )
        sub=""
    ;;
esac

read -p "Post content []? " msg
if [ -z "$msg" ]; then
	echo "Need some kind of content. Bye."
	exit 1
fi

echo "Thanks. Generating image..."

DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
font_reg=$DIR/fonts/Lora-Regular.ttf
if [ "$font" = "mono" ]; then
	font_reg=$DIR/fonts/Hack-Regular.ttf
elif [ "$font" != "norm" ]; then
	font_reg=$DIR/fonts/OpenSans-Regular.ttf
fi
write_bold=$DIR/fonts/Lora-Bold.ttf
write_reg=$DIR/fonts/Lora-Regular.ttf

# Generate post text
if [ $(echo "$msg" | wc -m) -lt 40 ]; then
	convert -background white -fill black -font $font_reg -size 900x900 -pointsize 48 -gravity center -interline-spacing 10 caption:"$msg" $final
else
	convert -background white -fill black -font $font_reg -size 900x900 -pointsize 48 -gravity west -interline-spacing 10 caption:"$msg" $final
fi
# Generate footer
if [ -z "$author" ]; then
	# No author provided, just show "write.as"
	convert -background white -fill black -size x50 -gravity center -font $write_bold -pointsize 32 label:'write.as' -font $write_reg footer.png
else
	# Author provided
	if [ "$sub" = "sub" ]; then
		convert -background white -fill black -size x50 -gravity center -font $write_reg -pointsize 32 label:"$author." -font $write_bold -pointsize 32 label:'writeas' +append -font $write_reg -pointsize 32 label:".com" +append footer.png
	else
		convert -background white -fill black -size x50 -gravity center -font $write_bold -pointsize 32 label:'write.as' -font $write_reg -pointsize 32 label:"/$author/" +append footer.png
	fi
fi
# Expand footer width
convert footer.png -gravity center -extent 900x50 footer.png 
# Combine text and footer
convert $final footer.png -append $final
# Expand canvas size
convert $final -gravity center -extent 1024x1024 $final

echo "Cleaning up..."

rm footer.png

echo "DONE."
echo "See $(pwd)/$final"