#!/bin/bash

#time the script started
startTime=$(date +%s)

#sets the path for the render executable
executable=$(zenity --file-selection --title="Select Blender Executable")

#sets the location of the blender files to be rendered
path=$(zenity --file-selection --directory --title="Select Folder to be Rendered")

#sets where the files should be saved
savfolder=$(zenity --file-selection --directory --save --title="Select Folder where the renders should be saved" --confirm-overwrite)

#sets the file extension for the resulting image
imgtype=$(zenity --list --title "Image Format" --radiolist  --column="Pick" --column="Extension" TRUE "PNG" FALSE "EXR" FALSE "TIFF" FALSE "TGA" FALSE "JPEG" FALSE "BMP")

#sets the action to be taken after finishing the rendering job
pmng=$(zenity --list --title "After rendering is finished :" --radiolist  --column="Pick" --column="Action"  TRUE "Do Nothing" FALSE "Put to sleep" FALSE "Shutdown")

#sets a variable to choose animation or single frame
anm=$(zenity --list --title "Single frame or Animation :" --radiolist  --column="Pick" --column="Action"  TRUE "Single frame" FALSE "Animation")


if [[ $anm == *"Animation"* ]]
then
	rndtype="-a"
else
	rndtype="-f 1"
fi

if [[ $pmng != "Do Nothing" ]]
then
#stores the super user password in a variable for later use
pass=$(zenity --password --title "Super User Password")
fi

cd "$path" || exit

if (for g in *.blend;do
	f=$(find -- *.blend -type f -print | grep -c blend)
	r=$(find "$savfolder" -type f -print | grep -ic "$imgtype")
  echo	-e "# Rendering file: $g --- $((f-r)) files remaining"
	sleep 0.1
  "$executable" -b "$g" -o "$savfolder/$g" -F "$imgtype" -x 1 $rndtype
	done | zenity --progress --title="Rendering" --percentage=0 --auto-close --auto-kill)
then
  zenity --notification   --timeout=2 --window-icon="info" --text="Renders completed successfully!"&
	# You should change this accordingly to your liking
  play "/usr/share/sounds/LinuxMint/stereo/desktop-logout.ogg"
else
  zenity --notification  --timeout=2 --window-icon="error" --text "Something went wrong!"&
	# You should change this accordingly to your liking
  play "/usr/share/sounds/LinuxMint/stereo/phone-incoming-call.ogg"
fi

#Rename files by removing the ".blend####" extension
cd "$savfolder" || exit
imgtype="${imgtype,,}" #Convets extension to lower case
for i in *.$imgtype
	do
		mv "$i" "${i//.\blend/_}"
	done

#Actions after finishing the rendering jobs
if [[ $pmng == "Do Nothing" ]]
then
    :
elif [[ $pmng == "Put to sleep" ]]
then
    zenity --info  --window-icon="error" --timeout=2  --text="Going to Sleep! Zzzzzz!"
    echo "$pass" | sudo -S pm-suspend
else
    zenity --info  --window-icon="error" --timeout=2  --text="Shutting Down"
    echo "$pass" | sudo -S halt -p
fi

#end time of script and total time
endTime=$(date +%s)
totalTime=$((endTime - startTime))
timeInfo=$(date -u -d @$totalTime +%T)
zenity --notification --timeout=2 --window-icon="info" --text="Total time of Render Jobs: $timeInfo"


#Create a log file
date +%A" "%d" "%B%n%H:%M:%S > Statistics.txt
echo "">> Statistics.txt
echo "Rendered: $(find -- *."$imgtype" -type f | grep -c "$imgtype") frames of $(find "$path" blend -type f | grep -c blend) blend files" >> Statistics.txt
echo "">> Statistics.txt
echo "Total Render Time: $timeInfo" >> Statistics.txt
echo "">> Statistics.txt
echo "Image List:">> Statistics.txt
ls -- *."$imgtype">> Statistics.txt