Body and rear axle work?

Hello, I crashed my car, but it is drivable; the impact bent the rear axle and the trunk, bumper, right rear quarter panel, are totaled, the damage goes across to the left wheel well. (No leaks, right rear lights are gone). This car repaired will be the best option for me because it has otherwise been kept in prime condition. Long distance mileage was over 40 MPG. What should I get fixed first? If parts are not locally available, should I contact the factory?