import Foundation
import AsyncDisplayKit
import Display

public func fixNavigationSearchableListNodeScrolling(_ listNode: ListView, searchNode: NavigationBarSearchContentNode) -> Bool {
    if searchNode.expansionProgress > 0.0 && searchNode.expansionProgress < 1.0 {
        let scrollToItem: ListViewScrollToItem
        let targetProgress: CGFloat
        if searchNode.expansionProgress < 0.6 {
            scrollToItem = ListViewScrollToItem(index: 0, position: .top(-navigationBarSearchContentHeight), animated: true, curve: .Default(duration: nil), directionHint: .Up)
            targetProgress = 0.0
        } else {
            scrollToItem = ListViewScrollToItem(index: 0, position: .top(0.0), animated: true, curve: .Default(duration: nil), directionHint: .Up)
            targetProgress = 1.0
        }
        searchNode.updateExpansionProgress(targetProgress, animated: true)
        
        listNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: ListViewDeleteAndInsertOptions(), scrollToItem: scrollToItem, updateSizeAndInsets: nil, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
        return true
    }
    return false
}