Onedrive api with excel

I would like to create automatically folder in onedrive with subfolder which contains documents to share with my customer. i choose the files to share with excel.
i share the folder only with the customer that i choose.

also i want to get the size of the files that i add in the onedrive
Name of main folder : [name client ] [date : today]

Tree structure:

main folder :
--------------------[Name of folder 1]
--------------------------------------------------- File 1 item 1
--------------------------------------------------- File 1 item 2
--------------------------------------------------- File 1 item 3
--------------------------------------------------- File 1 item 4
--------------------------------------------------- File 1 item 5
--------------------[Name of folder 2]
--------------------------------------------------- File 2 item 1
--------------------------------------------------- File 2 item 2
--------------------------------------------------- File 2 item 3
--------------------------------------------------- File 2 item 4
--------------------------------------------------- File 2 item 5
--------------------[Name of folder 3]
--------------------------------------------------- File 3 item 1
--------------------------------------------------- File 3 item 2
--------------------------------------------------- File 3 item 3
--------------------------------------------------- File 3 item 4
--------------------------------------------------- File 3 item 5