Connect all the (colored) hot wires together. Connect all the (white) neutral wires together.
The white neutral wire out of a light fixture must be connected to neutral. The black hot wire out of a light fixture must be connected to hot and a white wire (such as coming from a switch) may not be used for this connection.
Tornado victims: Do not rush to rebuild. Take your time and look for and get a good contractor. Or consider selling the property and moving to a home that is ready to live in.