//
//  PreviewViewControllerProvider.swift
//  Tusker
//
//  Created by Shadowfacts on 10/10/18.
//  Copyright © 2018 Shadowfacts. All rights reserved.
//

import UIKit
import SafariServices

protocol PreviewViewControllerProvider {
    
    func getPreviewViewController(forLocation location: CGPoint, sourceViewController: UIViewController) -> UIViewController?
    
}

@objc extension UITableViewController: UIViewControllerPreviewingDelegate {
    public func previewingContext(_ previewingContext: UIViewControllerPreviewing, viewControllerForLocation location: CGPoint) -> UIViewController? {
        if let indexPath = tableView.indexPathForRow(at: location),
            let cell = tableView.cellForRow(at: indexPath) as? UITableViewCell & PreviewViewControllerProvider {
            let cellLocation = cell.convert(location, from: tableView)
            if let vc = cell.getPreviewViewController(forLocation: cellLocation, sourceViewController: self) {
//                previewingContext.sourceRect = tableView.rectForRow(at: indexPath)
                return vc
            }
        }
        return nil
    }
    
    public func previewingContext(_ previewingContext: UIViewControllerPreviewing, commit viewControllerToCommit: UIViewController) {
        if viewControllerToCommit is LargeImageViewController || viewControllerToCommit is SFSafariViewController {
            present(viewControllerToCommit, animated: false)
        } else {
            navigationController!.pushViewController(viewControllerToCommit, animated: false)
        }
    }
}