Is this fixable?

My iPhone’s screen is detaching from its body. Recently I’ve noticed the screen is separating into two parts.

After replacing the battery is it possible to fix this screen (it still works currently) or do I really need another screen.

Can I still use the camera and home button from my original screen or do I need to buy a screen with all of that included?
Is this fixable?
Updates:
22 d
Guys I already had a new phone since July, but I want to fix this one. It has a meaning.
20 d
Update:

Me and my guy opened the phone and the battery was more swollen than you can imagine. We put it out and will replace once I get another battery. The screen was fixable. My guy just pushed it together so it’s no longer separating into two layers. ☺️
Is this fixable?
15
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