//
//  PhotoDetailCoordinator.swift
//  Paiai_iOS
//
//  Created by ffib on 2018/12/19.
//  Copyright © 2018 yb. All rights reserved.
//

import Foundation
import PaiaiDataKit

final class PhotoDetailCoordinator: Coordinator {
    let navigationController: UINavigationController
    let photoDetailViewController: PhotoDetailViewController
    let shareViewModel: PhotoDetailViewModel
    
    fileprivate var coordinators = [CoordinatorKey: Coordinator]()
    
    init(_ photoDetailVC: PhotoDetailViewController,
         nav: UINavigationController,
         viewModel: PhotoDetailViewModel) {
        photoDetailViewController = photoDetailVC
        shareViewModel = viewModel
        navigationController = nav
        photoDetailViewController.viewModel = viewModel
        
        viewModel.delegate = self
    }
    
    func start() {
        
    }
}

extension PhotoDetailCoordinator: PhotoDetailViewModelDelegate {
    func navigateToGroup(_ item: GroupItem) {
        let vc = GroupViewController.instantiate()
        vc.viewModel = GroupViewModel(groupItem: item)
        let coordinator = GroupCoordinator(vc,
                                           navigationController: navigationController)
        coordinators[.group] = coordinator
        
        navigationController.pushViewController(vc)
    }
    
    func didSelected() {
        let vc = UIStoryboard.photoDetail.instantiateController(PhotoPreviewViewController.self)
        vc.viewModel = shareViewModel
        photoDetailViewController.presentController(vc)
    }
}

extension UIStoryboard {
    static var photoDetail: UIStoryboard {
        return UIStoryboard(name: "PhotoDetail", bundle: Bundle(identifier: "com.Paiai-iOS"))
    }
}