Scouts in the 3 Tier system

[RiverSnake]

So playing W136 - long time since we played a 3 Tier System.
Scouted a villa with level 1 scout - got no wall info.?

Can someone tell us what gets revealed at each level of scout.?

 

[Nightfall]

A hint... WIKI but ok <3 lvl1 resourses, lvl2 buildings and lvl3 troops