//
//  AssetPickerSheetContainerViewController.swift
//  Tusker
//
//  Created by Shadowfacts on 1/1/20.
//  Copyright © 2020 Shadowfacts. All rights reserved.
//

import UIKit
import SheetController
import Photos

class AssetPickerSheetContainerViewController: SheetContainerViewController {
    
    let assetPicker = AssetPickerViewController()

    init() {
        super.init(content: assetPicker)
        
        assetPicker.view.translatesAutoresizingMaskIntoConstraints = false
        assetPicker.view.layer.masksToBounds = true

        delegate = self
        assetPicker.delegate = self
        detents = [.bottom, .middle, .top]
        
        overrideUserInterfaceStyle = .dark
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    override func viewDidLoad() {
        assetPicker.view.layer.cornerRadius = view.bounds.width * 0.02
        
        super.viewDidLoad()
    }

}

extension AssetPickerSheetContainerViewController: SheetContainerViewControllerDelegate {
    func sheetContainer(_ sheetContainer: SheetContainerViewController, willSnapToDetent detent: Detent) -> Bool {
        if detent == .bottom {
            dismiss(animated: true)
            return false
        }
        return true
    }
    func sheetContainerContentScrollView(_ sheetContainer: SheetContainerViewController) -> UIScrollView? {
        if let vc = assetPicker.visibleViewController as? UITableViewController {
            return vc.tableView
        } else if let vc = assetPicker.visibleViewController as? UICollectionViewController {
            return vc.collectionView
        }
        return nil
    }
    func sheetContainer(_ sheetContainer: SheetContainerViewController, topContentOffsetForScrollView scrollView: UIScrollView) -> CGFloat {
        return assetPicker.navigationBar.bounds.height
    }
}

extension AssetPickerSheetContainerViewController: UINavigationControllerDelegate {
    func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool) {
        contentScrollViewChanged()
//        viewController.navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .done, target: self, action: #selector(donePressed))
    }
}