#!/bin/bash

#IMG=$(cd /ramfs; find ./ -type f -name *.jpg -exec readlink -f {} \;)
#IMG=$(ls -t /home/pi/_Pictures | head -1)

while [[ ! -f /ramfs/.canbeconvert ]]; do
	sleep 1
	echo "wait for file to convert..."
done

IMG=$(cat /ramfs/.canbeconvert)
echo "=> File $IMG detected !"

#############
# Mode SSTV
while [[ -f "/ramfs/totx.wav" ]]; do 
	echo "=> Skipping convert, because old one is not yet Txed !"
	sleep 5
done

# On traite l'image...
echo "=> Copying picz in RAMFS"
cp -r /home/pi/_Pictures/$IMG /ramfs/$IMG
echo "=> Converting to PD120 Format <long>x496"
convert /ramfs/$IMG -resize 660x496^ /ramfs/lit-$IMG
rm -rf /ramfs/$IMG
echo "=> Adding annotaion"
mogrify -format 'jpg' -font Liberation-Sans -fill white -undercolor '#00000080' -pointsize 24 -gravity NorthEast -annotate +40+10 " Ballon Stratosphérique ENSIL - F4KMH " /ramfs/lit-$IMG
mogrify -format 'jpg' -font Liberation-Sans -fill white -undercolor '#00000080' -pointsize 24 -gravity NorthEast -annotate +40+50 " $(date "+%a %d %b %y - %X")" /ramfs/lit-$IMG

echo "=> Adding GPS Position"
GPS_POS=$(exiftool /home/pi/_Pictures/$IMG | grep "GPS Position" | cut -d":" -f2)
ALTITUDE=$(exiftool /home/pi/_Pictures/$IMG | grep "GPS Altitude" | cut -d":" -f2)
mogrify -format 'jpg' -font Liberation-Sans -fill white -undercolor '#00000080' -pointsize 24 -gravity NorthEast -annotate +40+410 "Altitude : $ALTITUDE" /ramfs/lit-$IMG
mogrify -format 'jpg' -font Liberation-Sans -fill white -undercolor '#00000080' -pointsize 24 -gravity NorthEast -annotate +40+450 "$GPS_POS" /ramfs/lit-$IMG

echo " => Converting image to WAV..."
cd ~/PySSTV/
source bin/activate
python -m pysstv --mode PD120 --rate 44100 --bits 16 --vox --fskid "F4IYQ" /ramfs/lit-$IMG /ramfs/totx.wav
deactivate
echo "=> Setting flag that can be Tx"
touch /ramfs/.canbetx

rm -rf /ramfs/lit-$IMG

echo -n ""