adobe illustrator - Editable two side text

Here's what I want to achieve:

pretty simple right? BUT, I'd like the text to remain editable in a simple manner, that is:

• Editable text (no outlined font);


• Only one line of text (any change has to be done once);


• The text color must adapt when moving the text around.

I'tried many combination of masks with no luck... any idea?

Answer

I found a way: four squares. One black over a red one on the left. One red over a black one on the right. The text on top of the squares then selecting the text and the two topmost squares and Object > Clipping Mask > Make.

Here's the result:

The text is editable and I can give the squares any other shapes, it's still working.