Yes, if you publish SharePoint as a non claim aware app, all the trafic will have to go through your WAP.
About SSL termination, be aware of the following limitations:
"SSL Termination between Client and Web Application Proxy / AD FS Proxy
This scenario is a little less clear although strictly speaking from a product perspective the answer is No. The reason for this is that some product features will break if you terminate SSL in front of Web Application Proxy server. Specifically the
following features will not work:-
– Workplace Join / Device Registration
– Client SSL Certificate authentication"
https://blogs.technet.microsoft.com/applicationproxyblog/2014/07/04/ssl-termination-with-web-application-proxy-and-ad-fs-2012-r2/
Note: Posts are provided “AS IS” without warranty of any kind, either expressed or implied, including but not limited to the implied warranties of merchantability and/or fitness for a particular purpose.