//
//  UIViewController+StatusTableViewCellDelegate.swift
//  Tusker
//
//  Created by Shadowfacts on 8/27/18.
//  Copyright © 2018 Shadowfacts. All rights reserved.
//

import UIKit
import MastodonKit
import SafariServices

extension StatusTableViewCellDelegate where Self: UIViewController {
    
    func selected(account: Account) {
        // don't open if the account is the same as the current one
        if let profileController = self as? ProfileTableViewController,
            profileController.account == account {
            return
        }
        
        guard let navigationController = navigationController else {
            fatalError("Can't show profile VC when not in navigation controller")
        }
        let vc = ProfileTableViewController.create(for: account)
        navigationController.pushViewController(vc, animated: true)
    }
    
    func selected(mention: Mention) {
        
    }
    
    func selected(tag: Tag) {
        
    }
    
    func selected(url: URL) {
        let vc = SFSafariViewController(url: url)
        present(vc, animated: true)
    }
    
    func selected(status: Status) {
        // don't open if the conversation is the same as the current one
        if let conversationController = self as? ConversationViewController,
            conversationController.mainStatus == status {
            return
        }
        
        guard let navigationController = navigationController else {
            fatalError("Can't show conversation VC when not in navigation controller")
        }
        let vc = ConversationViewController.create(for: status)
        navigationController.pushViewController(vc, animated: true)
    }
    
    func reply(to status: Status) {
        let vc = ComposeViewController.create(inReplyTo: status)
        present(vc, animated: true)
    }
    
    func showLargeImage(_ image: UIImage, description: String?, animatingFrom originView: UIView) {
        guard let self = self as? UIViewController & LargeImageViewControllerDelegate else { return }
        let vc = LargeImageViewController.create(image: image, description: description)
        vc.delegate = self
        var frame = originView.convert(originView.bounds, to: view)
        if let scrollView = view as? UIScrollView {
            let scale = scrollView.zoomScale
            let width = frame.width * scale
            let height = frame.height * scale
            let x = frame.minX * scale - scrollView.contentOffset.x + scrollView.frame.minX
            let y = frame.minY * scale - scrollView.contentOffset.y + scrollView.frame.minY
            frame = CGRect(x: x, y: y, width: width, height: height)
        }
        vc.originFrame = frame
        vc.originCornerRadius = originView.layer.cornerRadius
        vc.transitioningDelegate = self
        present(vc, animated: true)
    }
    
    func updatedStatus(for cell: StatusTableViewCell, status: Status) {
    }
    
}

extension LargeImageViewControllerDelegate where Self: UIViewController {
    func closeLargeImage() {
        dismiss(animated: true)
    }
}

extension UIViewController: UIViewControllerTransitioningDelegate {
    public func animationController(forPresented presented: UIViewController, presenting: UIViewController, source: UIViewController) -> UIViewControllerAnimatedTransitioning? {
        if presented is LargeImageViewController {
            return LargeImageExpandAnimationController()
        } else {
            return nil
        }
    }
    
    public func animationController(forDismissed dismissed: UIViewController) -> UIViewControllerAnimatedTransitioning? {
        if let dismissed = dismissed as? LargeImageViewController {
            return LargeImageShrinkAnimationController(interactionController: dismissed.dismissInteractionController)
        } else {
            return nil
        }
    }
    
    public func interactionControllerForDismissal(using animator: UIViewControllerAnimatedTransitioning) -> UIViewControllerInteractiveTransitioning? {
        if let animator = animator as? LargeImageShrinkAnimationController,
            let interactionController = animator.interactionController,
            interactionController.inProgress {
            
            return interactionController
        } else {
            return nil
        }
    }
}