import AVFoundation
import Photos

enum PhotosService {
    static func requestReadAccess() async -> Bool {
        let status = await PHPhotoLibrary.requestAuthorization(for: .readWrite)
        return status == .authorized || status == .limited
    }

    static var hasReadAccess: Bool {
        let status = PHPhotoLibrary.authorizationStatus(for: .readWrite)
        return status == .authorized || status == .limited
    }

    static func fetchAsset(identifier: String) -> PHAsset? {
        PHAsset.fetchAssets(withLocalIdentifiers: [identifier], options: nil).firstObject
    }

    static func requestAVAsset(for asset: PHAsset) async -> AVAsset? {
        await withCheckedContinuation { continuation in
            let options = PHVideoRequestOptions()
            options.isNetworkAccessAllowed = true
            options.deliveryMode = .highQualityFormat
            PHImageManager.default().requestAVAsset(forVideo: asset, options: options) { avAsset, _, _ in
                continuation.resume(returning: avAsset)
            }
        }
    }

    static func requestPlayerItem(for asset: PHAsset) async -> AVPlayerItem? {
        await withCheckedContinuation { continuation in
            let options = PHVideoRequestOptions()
            options.isNetworkAccessAllowed = true
            PHImageManager.default().requestPlayerItem(forVideo: asset, options: options) { item, _ in
                continuation.resume(returning: item)
            }
        }
    }
}