//
//  CustomEmojiPickerSection+Diffable.swift
//  
//
//  Created by MainasuK on 22/10/10.
//

import Foundation
import MastodonCore

extension CustomEmojiPickerSection {
//    static func collectionViewDiffableDataSource(
//        collectionView: UICollectionView,
//        dependency: NeedsDependency
//    ) -> UICollectionViewDiffableDataSource<CustomEmojiPickerSection, CustomEmojiPickerItem> {
//        let dataSource = UICollectionViewDiffableDataSource<CustomEmojiPickerSection, CustomEmojiPickerItem>(collectionView: collectionView) { [weak dependency] collectionView, indexPath, item -> UICollectionViewCell? in
//            guard let _ = dependency else { return nil }
//            switch item {
//            case .emoji(let attribute):
//                let cell = collectionView.dequeueReusableCell(withReuseIdentifier: String(describing: CustomEmojiPickerItemCollectionViewCell.self), for: indexPath) as! CustomEmojiPickerItemCollectionViewCell
//                let placeholder = UIImage.placeholder(size: CustomEmojiPickerItemCollectionViewCell.itemSize, color: .systemFill)
//                    .af.imageRounded(withCornerRadius: 4)
//
//                let isAnimated = !UserDefaults.shared.preferredStaticEmoji
//                let url = URL(string:  isAnimated ? attribute.emoji.url : attribute.emoji.staticURL)
//                cell.emojiImageView.sd_setImage(
//                    with: url,
//                    placeholderImage: placeholder,
//                    options: [],
//                    context: nil
//                )
//                cell.accessibilityLabel = attribute.emoji.shortcode
//                return cell
//            }
//        }
//
//        dataSource.supplementaryViewProvider = { [weak dataSource] collectionView, kind, indexPath -> UICollectionReusableView? in
//            guard let dataSource = dataSource else { return nil }
//            let sections = dataSource.snapshot().sectionIdentifiers
//            guard indexPath.section < sections.count else { return nil }
//            let section = sections[indexPath.section]
//
//            switch kind {
//            case String(describing: CustomEmojiPickerHeaderCollectionReusableView.self):
//                let header = collectionView.dequeueReusableSupplementaryView(ofKind: kind, withReuseIdentifier: String(describing: CustomEmojiPickerHeaderCollectionReusableView.self), for: indexPath) as! CustomEmojiPickerHeaderCollectionReusableView
//                switch section {
//                case .emoji(let name):
//                    header.titleLabel.text = name
//                }
//                return header
//            default:
//                assertionFailure()
//                return nil
//            }
//        }
//
//        return dataSource
//    }
}