Hazel challenge

All,
I need some help with Hazel config. I will move a thousand of files manually sorting things out. However If I manually move a file with an WAV extension to folder where the same filename with AIFF extension exists the AIFF should be deleted and the WAV file should be stay in. AND ! If I move an AIFF to folder where the WAV exists nothing should happen, if the WAV file is already there. Otherwise the AIFF should stay in.
Any idea ?
Thanks
Christian
I need some help with Hazel config. I will move a thousand of files manually sorting things out. However If I manually move a file with an WAV extension to folder where the same filename with AIFF extension exists the AIFF should be deleted and the WAV file should be stay in. AND ! If I move an AIFF to folder where the WAV exists nothing should happen, if the WAV file is already there. Otherwise the AIFF should stay in.
Any idea ?
Thanks
Christian