//
//  AlbumViewController+UICollectionViewDelegateFlowLayout.swift
//  Persephone
//
//  Created by Daniel Barber on 2020-3-28.
//  Copyright © 2020 Dan Barber. All rights reserved.
//

import UIKit

extension AlbumViewController: UICollectionViewDelegateFlowLayout {
  func collectionView(_ collectionView: UICollectionView,
                      layout collectionViewLayout: UICollectionViewLayout,
                      sizeForItemAt indexPath: IndexPath) -> CGSize {
    let paddingSpace = sectionInsets.left * (itemsPerRow + 1)
    let availableWidth = view.frame.width - paddingSpace
    let widthPerItem = availableWidth / itemsPerRow
    
    return CGSize(width: widthPerItem, height: widthPerItem + 48)
  }

  func collectionView(_ collectionView: UICollectionView,
                      layout collectionViewLayout: UICollectionViewLayout,
                      insetForSectionAt section: Int) -> UIEdgeInsets {
    return sectionInsets
  }
  
  func collectionView(_ collectionView: UICollectionView,
                      layout collectionViewLayout: UICollectionViewLayout,
                      minimumLineSpacingForSectionAt section: Int) -> CGFloat {
    return sectionInsets.left / 2
  }
}