macOS [Apple Script] auto label unplayed movies

hi all.

I'm trying to write a script (very little experience here) for a folder action that will label in blue all the video files in my Movies folder that have never been played.

I find myself way over my head on this. Can anyone help me out ?

I looked in the iTunes dictionary, but I'm not really sure what to look for. In fact, why is iTunes involved at all ?

The way I picture it, the script would check in a folder if the video files (all avi actually) have been played or not, and if not, assign a blue label, if yes then no label.

The question is, is there a way to check whether the file was played (or opened) or not. If not, I'm guessing I'd need to do it in 2 scripts. One that watches for added files and labels them as soon as they are added. The 2nd would remove the label as soon as the file is played.

Am I looking at this wrong ?

Ok I've gone for option 2 as it seems more straight forward. I've created succesfully one script that labels any video file added to my Movies folder. It looks like this:

on adding folder items to this_folder after receiving these_items
tell application "Finder"

repeat with myFile in these_items
--display dialog myFile as string
if the name extension of myFile is in {"mpg", "mpeg", "avi", "mov", "mp4", "avi", "wmv"} then
set label index of myFile to 4
end if

end repeat
end tell
end adding folder items to

Click to expand...

That works great, but it doesn't include subfolders. How can I do that?

Then I created a 2nd script that would remove the label when a video file is opened. It doesn't work though. This is what I wrote so far:

on open these_items
tell application "Finder"

if the name extension of these_items is in {"mpg", "mpeg", "avi", "mov", "mp4", "avi", "wmv"} then
set label index of these_items to 0
end if

end tell
end open

Click to expand...

I'm guessing my problem is on the first blue line, I just don't know what to use there.

Any ideas ?