As you see, the frame and all of the springs are under very good condition, and some light rusty on the foldable bed frame - that can be covered by paint. The frame size: L. (54 1/4")1380mm x D. (19 3/4")500mm x H. (30 3/4)780mm
If you are handyman, this is a good time to build your own sofabed! Also a big save! I believe yours must be better than mine, I uploaded mine (the 7th picture) there as well. If you like, we can share our ideas together.
Good luck and thanks for looking!