import Foundation
import Photos
import SwiftUI

struct CameraPicker: UIViewControllerRepresentable {
    var completionHandler: (Data, GalleryMediaType) -> Void

    func makeUIViewController(context: Context) -> UIImagePickerController {
        let picker = UIImagePickerController()
        picker.sourceType = .camera
        picker.delegate = context.coordinator
        picker.mediaTypes = [UTType.movie.identifier, UTType.image.identifier]
        picker.videoQuality = .typeHigh
        picker.videoMaximumDuration = Const.videoDurationLimit
        picker.view.backgroundColor = .clear
        return picker
    }

    func updateUIViewController(_: UIImagePickerController, context _: Context) {}

    func makeCoordinator() -> Coordinator {
        Coordinator(self)
    }

    class Coordinator: NSObject, UINavigationControllerDelegate, UIImagePickerControllerDelegate {
        let parent: CameraPicker

        init(_ parent: CameraPicker) {
            self.parent = parent
        }

        func imagePickerController(_: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey: Any]) {
            // swiftlint:disable:next force_cast
            let mediaType = info[.mediaType] as! String

            if mediaType == UTType.image.identifier {
                if let image = info[.originalImage] as? UIImage {
                    let data = image.jpegData(compressionQuality: 1.0) ?? Data()
                    parent.completionHandler(data, .photo)
                }
            } else if mediaType == UTType.movie.identifier {
                if let url = info[.mediaURL] as? URL {
                    let data = try? Data(contentsOf: url)
                    parent.completionHandler(data ?? Data(), .video)
                }
            }
        }
    }
}