//
//  TuskerNavigationDelegate.swift
//  Tusker
//
//  Created by Shadowfacts on 9/30/18.
//  Copyright © 2018 Shadowfacts. All rights reserved.
//

import UIKit
import SafariServices
import Pachyderm

protocol TuskerNavigationDelegate {
    
    var router: AppRouter { get }
    
    func selected(account accountID: String)
    
    func selected(mention: Mention)
    
    func selected(tag: Hashtag)
    
    func selected(url: URL)
    
    func selected(status statusID: String)
    
    func compose()
    
    func reply(to statusID: String)
    
    func largeImage(_ image: UIImage, description: String?, sourceView: UIView) -> LargeImageViewController
    
    func largeImage(gifData: Data, description: String?, sourceView: UIView) -> LargeImageViewController
    
    func showLargeImage(_ image: UIImage, description: String?, animatingFrom sourceView: UIView)
    
    func showLargeImage(gifData: Data, description: String?, animatingFrom sourceView: UIView)
    
    func showMoreOptions(forStatus statusID: String)
    
    func showMoreOptions(forURL url: URL)
}

extension TuskerNavigationDelegate where Self: UIViewController {
    
    func selected(account accountID: String) {
        // don't open if the account is the same as the current one
        if let profileController = self as? ProfileTableViewController,
            profileController.accountID == accountID {
            return
        }
        
        router.push(router.profile(for: accountID), animated: true)
    }
    
    func selected(mention: Mention) {
        router.push(router.profile(for: mention), animated: true)
    }
    
    func selected(tag: Hashtag) {
        router.push(router.timeline(tag: tag), animated: true)
    }
    
    func selected(url: URL) {
        router.present(router.safariViewController(for: url), animated: true)
    }
    
    func selected(status statusID: String) {
        // don't open if the conversation is the same as the current one
        if let conversationController = self as? ConversationTableViewController,
            conversationController.mainStatusID == statusID {
            return
        }
        
        router.push(router.conversation(for: statusID), animated: true)
    }
    
    func compose() {
        let vc: UINavigationController = UINavigationController(rootViewController: router.compose())
        router.present(vc, animated: true)
    }
    
    func reply(to statusID: String) {
        let vc = UINavigationController(rootViewController: router.compose(inReplyTo: statusID))
        router.present(vc, animated: true)
    }
    
    func largeImage(_ image: UIImage, description: String?, sourceView: UIView) -> LargeImageViewController {
        var sourceFrame = sourceView.convert(sourceView.bounds, to: view)
        if let scrollView = view as? UIScrollView {
            let scale = scrollView.zoomScale
            let width = sourceFrame.width * scale
            let height = sourceFrame.height * scale
            let x = sourceFrame.minX * scale - scrollView.contentOffset.x + scrollView.frame.minX
            let y = sourceFrame.minY * scale - scrollView.contentOffset.y + scrollView.frame.minY
            sourceFrame = CGRect(x: x, y: y, width: width, height: height)
        }
        let sourceCornerRadius = sourceView.layer.cornerRadius
        return router.largeImage(image, description: description, sourceFrame: sourceFrame, sourceCornerRadius: sourceCornerRadius, transitioningDelegate: self)
    }
    
    func largeImage(gifData: Data, description: String?, sourceView: UIView) -> LargeImageViewController {
        var sourceFrame = sourceView.convert(sourceView.bounds, to: view)
        if let scrollView = view as? UIScrollView {
            let scale = scrollView.zoomScale
            let width = sourceFrame.width * scale
            let height = sourceFrame.height * scale
            let x = sourceFrame.minX * scale - scrollView.contentOffset.x + scrollView.frame.minX
            let y = sourceFrame.minY * scale - scrollView.contentOffset.y + scrollView.frame.minY
            sourceFrame = CGRect(x: x, y: y, width: width, height: height)
        }
        let sourceCornerRadius = sourceView.layer.cornerRadius
        return router.largeImage(gifData: gifData, description: description, sourceFrame: sourceFrame, sourceCornerRadius: sourceCornerRadius, transitioningDelegate: self)
    }
    
    func showLargeImage(_ image: UIImage, description: String?, animatingFrom sourceView: UIView) {
        router.present(largeImage(image, description: description, sourceView: sourceView), animated: true)
    }
    
    func showLargeImage(gifData: Data, description: String?, animatingFrom sourceView: UIView) {
        router.present(largeImage(gifData: gifData, description: description, sourceView: sourceView), animated: true)
    }
    
    func showMoreOptions(forStatus statusID: String) {
        router.present(router.moreOptions(forStatus: statusID), animated: true)
    }
    
    func showMoreOptions(forURL url: URL) {
        router.present(router.moreOptions(forURL: url), animated: true)
    }
    
}