Addi different tag background on condition


I have questions regarding tags background, 

Let's assume I have different statuses written with text in the DB

if (rule!BBO_CaseStatusToText(rf!status) = "Open Status","SECONDARY","POSITIVE")

Let's assume that I have more than 2 statues

Open Status

Pending Status

Closed Status

How I can create multiple if conditions or case switch where I can made the evaluation depending on the status provides show me different background.

Any help will be appreciated.

Thank you. 

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