Sofa Chair Modelling

i am trying to model this sofa for three days now but in vein. my brain cells are burning and head hurting bad.

Any help, tips, tutorials, guidelines, steps would be appreciated.

thank you

This might help with some parts, though it’s an older version of Blender:

Then this series includes modeling a basic wooden chair

Or maybe this one:

Good luck!

thanks a lot. i really appreciate your help. It was a huge aid.
thank you