I Would use Custom Post Type and hierarchical Taxonomies with same Slug. Fortunately I found a good solution based on post_type_link filter here from TheDeadMedic.
mysite.com/products/category1/product-name1 mysite.com/products/category2/product-name2 mysite.com/products/category1/subcategory1/product-name1 mysite.com/products/category2/subcategory2/product-name2 ...
The only problem is subcategory pages get 404.
So these URLs work:
But subcategory pages don't work in hierarchical structure:
I can only access these subcategories without hierarchical structure. So these URLs work:
Have you got any idea how I could extend TheDeadMedic's solution to hierarchical taxonomies too.