//
//  AlbumDataSource.swift
//  Persephone
//
//  Created by Daniel Barber on 2019/2/20.
//  Copyright © 2019 Dan Barber. All rights reserved.
//

import Cocoa
import PromiseKit

class AlbumDataSource: NSObject, NSCollectionViewDataSource {
  func collectionView(_ collectionView: NSCollectionView, numberOfItemsInSection section: Int) -> Int {
    return AppDelegate.store.state.albumListState.albums.count
  }
//
//  func resetCoverArt() {
//    albums = AppDelegate.store.state.albumListState.albums.map {
//      var album = $0
//      album.coverArtFetched = false
//      return album
//    }
//  }

  func collectionView(_ collectionView: NSCollectionView, itemForRepresentedObjectAt indexPath: IndexPath) -> NSCollectionViewItem {
    let albums = AppDelegate.store.state.albumListState.albums
    let item = collectionView.makeItem(withIdentifier: .albumViewItem, for: indexPath)
    guard let albumViewItem = item as? AlbumViewItem else { return item }

    albumViewItem.view.wantsLayer = true
    albumViewItem.setAlbum(albums[indexPath.item])

//    if albums[indexPath.item].coverArt == nil &&
//      !albums[indexPath.item].coverArtFetched {
//
//      AppDelegate.mpdClient.getAlbumFirstSong(for: albums[indexPath.item].mpdAlbum) {
//        guard let song = $0 else { return }
//        
//          AlbumArtService(song: Song(mpdSong: song))
//            .fetchAlbumArt()
//            .done { image in
//              self.albums[indexPath.item].coverArt = image
//              self.albums[indexPath.item].coverArtFetched = true
//
//              DispatchQueue.main.async {
//                collectionView.reloadItems(at: [indexPath])
//              }
//            }
//      }
//    }

    return albumViewItem
  }
}