#!/bin/bash
#
# 5 images (~ 10MB) takes ~16 seconds
# 
# find /media/sf_test/ -type f -iname "*.jpg" -exec /root/imagick_script.sh "{}" \;
#

backgroundimage=$1
bgp=/media/sf_test/


# this is slow ...
#ww=`convert "$backgroundimage" -format "%[fx:.20*w]" info:` 
#hh=`convert "$backgroundimage" -format "%[fx:.20*h]" info:`

# "%[fx:w] %[fx:h] %[exif:DateTime]"
dim=`identify -format "%[fx:.15*w] %[fx:.15*h] %[exif:DateTime]" "$backgroundimage"`

ww=`echo $dim | awk '{print $1}'`
hh=`echo $dim | awk '{print $2}'`
ww=`printf "%.0f\n" "${ww}"`
hh=`printf "%.0f\n" "${hh}"`

if [ "$hh" -gt "$ww" ]
then
#    echo "swap size"
    echo "original = $ww x $hh"
    #Diff=`expr $hh - $ww`
    #eval $(echo ww=$hh\;hh=$ww)
    #echo "new = $ww x $hh"
    #ww=`expr $ww + $Diff`
    #hh=`expr $hh + $Diff`
    let ww=$ww*2
    echo "new + diff = $ww x $hh"
fi

year=`echo $dim | awk '{print substr($3,1,4)}'`

# i have images takin in range from 2006 to 2012, so if some exim data is removed, use year 2019..
case "$year" in
'2006')
    #
;;
'2007')
    #
;;
'2008')
    #
;;
'2009')
    #
;;
'2010')
    #
;;
'2011')
    #
;;
'2012')
    #
;;
*)
    year=2019
;;
esac


if [ ! -f ${bgp}${year}.png ];
then
    convert -gravity southeast -size 300x130 xc:transparent -font Courier-bold -pointsize 125 -fill red -draw "text 0,0 '${year}'" ${bgp}output.png
    composite  ${bgp}output.png ${bgp}fons.png ${bgp}${year}.png
    #echo "${year}.png nav ..";
fi

Watermark=${bgp}${year}.png


Fname="${backgroundimage##*/}"
Fdir="${backgroundimage:0:${#backgroundimage} - ${#Fname}}"
#echo "${Fdir}new_$Fname"
echo "${ww}x$hh $1"
composite -gravity southeast \( $Watermark -resize ${ww}x${hh} \) "$backgroundimage" "${Fdir}neew_$Fname"