Anabolic Diet Question

I ate alotttt of carbs today from my memory I ate
5 slices of meat lovers pizza
Real sugar Pepsi (bottle)
Tazo green tea
A pint of Ben and Jerry’s
Bowl of rice krispies and capt crunch
Bannana
And some powered doughnuts

Thus comes out to be about 400 carbs maybe even 500g

Does this been I should go back on high fat high protein tomarrow?
Or just eat 300g of clean complex carbs from tomarrow morning to tomarrow night?
Also how much fat and protein should be eating on my carb loads? 150ish for each?
Last question , when will I know my body is back on “ketosis”?

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