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

import UIKit
import Photos

class AssetCollectionViewCell: UICollectionViewCell {
    
    static let durationFormatter: DateComponentsFormatter = {
        let formatter = DateComponentsFormatter()
        formatter.unitsStyle = .positional
        formatter.allowedUnits = [.minute, .second]
        formatter.zeroFormattingBehavior = .pad
        return formatter
    }()

    var assetIdentifier: String!
    var thumbnailImage: UIImage? {
        get {
            imageView.image
        }
        set {
            imageView.image = newValue
        }
    }
    
    @IBOutlet weak var imageView: UIImageView!
    @IBOutlet weak var checkmarkVisualEffectView: UIVisualEffectView!
    @IBOutlet weak var livePhotoVisualEffectView: UIVisualEffectView!
    @IBOutlet weak var durationVisualEffectView: UIVisualEffectView!
    @IBOutlet weak var durationLabel: UILabel!
    
    override var isSelected: Bool {
        didSet {
            checkmarkVisualEffectView.isHidden = !isSelected
        }
    }
    
    override func awakeFromNib() {
        super.awakeFromNib()
        
        checkmarkVisualEffectView.layer.masksToBounds = true
        checkmarkVisualEffectView.layer.cornerRadius = 12
        checkmarkVisualEffectView.isHidden = true
        
        livePhotoVisualEffectView.layer.masksToBounds = true
        livePhotoVisualEffectView.layer.cornerRadius = 12
        
        durationVisualEffectView.layer.masksToBounds = true
        durationVisualEffectView.layer.cornerRadius = durationVisualEffectView.bounds.width * 0.1
    }
    
    func updateUI(asset: PHAsset) {
        assetIdentifier = asset.localIdentifier
        
        durationVisualEffectView.isHidden = asset.mediaType != .video
        if asset.mediaType == .video {
            durationLabel.text = AssetCollectionViewCell.durationFormatter.string(from: asset.duration)
        }
        
        livePhotoVisualEffectView.isHidden = !(asset.mediaType == .image && asset.mediaSubtypes.contains(.photoLive))
    }
    
    override func prepareForReuse() {
        thumbnailImage = nil
        isSelected = false
    }

}