What is a straightforward syntactic analysis of fī jīdihā ḥablun?

Supplementary Practice 23: Comparative Rhetorical Study of Sūrat al-Masad and al-Ikhlāṣ

• Fī jīdihā is the subject of kāna and ḥablun accusative predicate
• Fronted predicate fī jīdihā; delayed subject ḥablun
• Ḥablun is an accusative object and fī negates
• Jīd is the subject of an imperfect verb