//
//  MultiColumnResizer.swift
//  react-native-simple-grid
//
//  Created by Vittorio Cellucci on 2022-11-04.
//

import Foundation
class MultiColumnResizer: ColumnResizerView {

  var adjacentGrabber: MultiColumnResizer?
  override init( _ columnWidths: ColumnWidths, index: Int, bindTo bindedTableView: TableView) {
    super.init(columnWidths, index: index, bindTo: bindedTableView)
  }

  required init?(coder: NSCoder) {
    fatalError("init(coder:) has not been implemented")
  }

  override func didPan(_ translation: CGPoint) {
    guard let tableView = self.tableView else { return }
    guard let data = tableView.dataCollectionView else { return }
    if data.updateSize(translation, withColumn: index) {
      columnWidths.resize(index: index + 1, by: translation)
      self.centerConstraint.constant += translation.x

      tableView.grow(by: translation.x)
      tableView.layoutIfNeeded()
      data.childCollectionView?.collectionViewLayout.invalidateLayout()

      containerView?.updateVScrollPos()
      updateHeader(translation)
      updateTotals(translation)
      updateAdjacent(by: translation.x)
      selectionsBand?.updateSize(translation, withColumn: index + 1)
      containerView?.testTruncation()
    }
  }

  func updateAdjacent(by x: Double) {
    if let adjacentGrabber = self.adjacentGrabber {
      adjacentGrabber.centerConstraint.constant += x
      adjacentGrabber.updateAdjacent(by: x)
    }
    self.layoutIfNeeded()
  }

}