import UIKit
/*
info.plistに下の項目を追加する
Privacy - Photo Library Usage Description
Privacy - Camera Usage Description

それぞれカメラとライブラリを使う理由を書く
「プロフィールに使うために使用します」など
*/

class SettingPageController: UIViewController, UIImagePickerControllerDelegate, UINavigationControllerDelegate {

    override func viewDidLoad() {
        super.viewDidLoad()

        let userImageSize: Int = 100
        let userImageView: UIImageView = UIImageView()
        userImageView.frame = CGRect(x: 0, y: 20, width: userImageSize, height: userImageSize)
        userImageView.image = UIImage(named: "適当な画像")
        userImageView.center.x = self.view.frame.width/2
        userImageView.layer.cornerRadius = CGFloat(userImageSize/2)
        userImageView.clipsToBounds = true
        self.view.addSubview(userImageView)

        let userImageViewButton: UIButton = UIButton()
        userImageViewButton.frame = CGRect(x: 0, y: 20, width: userImageSize, height: userImageSize)
        userImageViewButton.center.x = self.view.frame.width/2
        userImageViewButton.layer.cornerRadius = CGFloat(userImageSize/2)
        userImageViewButton.clipsToBounds = true
        userImageViewButton.addTarget(self, action: #selector(self.onClickUserPlofileButton(sender:)), for: .touchUpInside)
        self.view.addSubview(userImageViewButton)

    }

    /**
     画像編集するボタン
     - Parameters: sender: UIButton
     */
    internal func onClickUserPlofileButton(sender: UIButton) {
        showAlert()
    }

    func showCameraLibrary(){
        if UIImagePickerController.isSourceTypeAvailable(UIImagePickerControllerSourceType.camera) {
            let picker = UIImagePickerController()
            picker.modalPresentationStyle = UIModalPresentationStyle.fullScreen
            picker.delegate = self
            picker.sourceType = UIImagePickerControllerSourceType.camera

            self.present(picker, animated: true, completion: nil)
        }
    }

    func showPhotoLibrary() {
        if UIImagePickerController.isSourceTypeAvailable(UIImagePickerControllerSourceType.photoLibrary) {
            let picker = UIImagePickerController()
            picker.modalPresentationStyle = UIModalPresentationStyle.popover
            picker.delegate = self
            picker.sourceType = UIImagePickerControllerSourceType.photoLibrary

            if let popover = picker.popoverPresentationController {
                popover.sourceView = self.view
                popover.sourceRect = self.view.frame
                popover.permittedArrowDirections = UIPopoverArrowDirection.any
            }
            self.present(picker, animated: true, completion: nil)
        }
    }

    func showAlert() {
        let alert: UIAlertController = UIAlertController(title: nil, message: nil, preferredStyle:  UIAlertControllerStyle.actionSheet)

        let defaultAction1: UIAlertAction = UIAlertAction(title: "写真の選択", style: UIAlertActionStyle.default, handler:{
            (action: UIAlertAction!) -> Void in
            self.showPhotoLibrary()
        })

        let defaultAction2: UIAlertAction = UIAlertAction(title: "カメラで撮影", style: UIAlertActionStyle.default, handler:{
            (action: UIAlertAction!) -> Void in
            self.showCameraLibrary()
        })

        let defaultAction3: UIAlertAction = UIAlertAction(title: "キャンセル", style: UIAlertActionStyle.cancel, handler:{
            (action: UIAlertAction!) -> Void in
        })

        alert.addAction(defaultAction1)
        alert.addAction(defaultAction2)
        alert.addAction(defaultAction3)

        present(alert, animated: true, completion: nil)
    }

    func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : Any]) {
        if let pickedImage = info[UIImagePickerControllerOriginalImage] as? UIImage {
            print(pickedImage.size)
            uploadFile(image: pickedImage)
        }
        picker.dismiss(animated: true, completion: nil)
    }

    func uploadFile(image: UIImage){

    }
}