elpha-ios/elpha-ios/AttachmentViewController.swift

//
//  AttachmentViewController.swift
//  elpha-ios
//
//  Created by Dwayne Harris on 11/1/18.
//  Copyright © 2018 Elpha. All rights reserved.
//

import Kingfisher
import UIKit

class AttachmentViewController: UIViewController {
    @IBOutlet var attachmentScrollView: UIScrollView!
    @IBOutlet var attachmentImageView: UIImageView!
    @IBOutlet var statusTextView: UITextView!
    
    var attachment: AttachmentMO?
    
    @IBAction func closeTapped(_ sender: Any) {
        if let controller = self.parent as? AttachmentPageViewController {
            controller.dismissController()
        }
    }
    
    @IBAction func shareTapped(_ sender: Any) {
        if let image = attachmentImageView.image {
            let controller = UIActivityViewController(activityItems: [image], applicationActivities: nil)
            present(controller, animated: true)
        }
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        if let attachment = attachment {
            attachmentScrollView.delegate = self
            attachmentImageView.kf.indicatorType = .activity
            attachmentImageView.kf.setImage(with: attachment.url!)
            
            if let content = attachment.status?.content {
                statusTextView.attributedText = content.htmlAttributed(size: 14, centered: true, color: UIColor.white)
            }
        }
    }
    
    override var preferredStatusBarStyle: UIStatusBarStyle {
        return .lightContent
    }
    
    override var prefersStatusBarHidden: Bool {
        return true
    }
}

extension AttachmentViewController: UIScrollViewDelegate {
    func viewForZooming(in scrollView: UIScrollView) -> UIView? {
        return attachmentImageView
    }
}