var allowExceedingTime = viewModel?.assessment?.allowExceedingTime ?? true
var allowLateSubmission = viewModel?.assessment?.allowLateSubmission ?? true
let assessmentTime = viewModel?.assessment?.time ?? 0

if assessmentTime == 0 {
    allowExceedingTime = true
}
if assessmentDueDate == nil {
    allowLateSubmission = true
}

var timerDate: Date?
if allowExceedingTime && !allowLateSubmission {
    // Timer = Max Due Date
    timerDate = assessmentDueDate
} else if !allowExceedingTime && allowLateSubmission {
    // Timer = Start Time + Duration
    timerDate = Calendar.current.date(byAdding: .minute, value: assessmentTime, to: Date())
} else if !allowExceedingTime && !allowLateSubmission {
    // Timer = min(Due Date, (Start Time + Duration))
    timerDate = min(assessmentDueDate ?? Date(), Calendar.current.date(byAdding: .minute, value: assessmentTime, to: Date()) ?? Date())
} else {
    // No timer needed
}

if timerDate != nil {
    timerLabel.setCountDownDate(targetDate: timerDate! as NSDate)
    timerLabel.start()
}