//
//  ViewController.swift
//  GoogleCodeIn
//
//  Created by Marcin on 02/12/2019.
//  Copyright © 2019 Marcin. All rights reserved.
//

import UIKit
import Firebase
class ViewController: UIViewController, UIImagePickerControllerDelegate,UIPopoverControllerDelegate,UINavigationControllerDelegate {

    @IBOutlet weak var backInfo: UILabel!
    @IBOutlet weak var image: UIImageView!
    var picker:UIImagePickerController?=UIImagePickerController()
    override func viewDidLoad() {
        super.viewDidLoad()
        picker?.delegate=self
    }

    @IBAction func openGalleryTapped(_ sender: UIButton) {
       picker!.allowsEditing = false
        picker!.sourceType = .photoLibrary
        present(picker!, animated: true, completion: nil)
    }
    func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
        var chosenImage = info[UIImagePickerController.InfoKey.originalImage] as! UIImage
        image.image = chosenImage
        backInfo.text? = ""
        let labeler = Vision.vision().onDeviceImageLabeler()
        let image = VisionImage(image: chosenImage)
        labeler.process(image) { labels, error in
            guard error == nil, let labels = labels else { return }

            for label in labels {
                let labelText = label.text
                self.backInfo.text?.append(labelText)
                self.backInfo.text?.append(" ")
            }
        }

        dismiss(animated: true, completion: nil)
    }

}