//
//  PhotosHelper.swift
//  PhotoRank
//
//  Created by Shadowfacts on 8/3/19.
//  Copyright © 2019 Shadowfacts. All rights reserved.
//

import UIKit
import Photos

struct PhotosHelper {
    private static let imageManager = PHCachingImageManager()
    
    private init() {}
    
    static func requestFullSizeImage(for asset: PHAsset, completion: @escaping (UIImage) -> Void) {
        imageManager.requestImageData(for: asset, options: nil) { (data, _, _, _) in
            guard let data = data, let image = UIImage(data: data) else { fatalError() }
            completion(image)
        }
    }
    
    static func requestThumbnail(for asset: PHAsset, targetSize: CGSize, completion: @escaping (UIImage) -> Void) {
        imageManager.requestImage(for: asset, targetSize: targetSize, contentMode: .aspectFill, options: nil) { (image, _) in
            guard let image = image else { return }
            completion(image)
        }
    }
}