//
//  GifCollectionViewCell.swift
//  LiveLikeGiphyChallenge
//
//  Created by Ljupco Nastevski on 30.1.22.
//

import UIKit

class GifCollectionViewCell: UICollectionViewCell {
    
    static let reuseIdentifier = NSStringFromClass(GifCollectionViewCell.self)
    
    private lazy var imageView: LLAnimatableImageView = {
        let imageView = LLAnimatableImageView()
        imageView.contentMode = .center
        imageView.clipsToBounds = true
        return imageView
    }()
    
    private lazy var titleLabel: UILabel = {
        let lbl = UILabel()
        lbl.numberOfLines = 0
        return lbl
    }()
    
    var gif: GifObject? {
        didSet{
            self.didSetGif()
        }
    }
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        self.setupSelf()
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
        
    private func setupSelf() {
        
        self.contentView.addSubview(self.imageView)
        self.contentView.addSubview(self.titleLabel)
        
        
        self.imageView.translatesAutoresizingMaskIntoConstraints = false
        self.titleLabel.translatesAutoresizingMaskIntoConstraints = false

        NSLayoutConstraint.activate([
            
            self.imageView.topAnchor.constraint(equalTo: self.contentView.topAnchor),
            self.imageView.leadingAnchor.constraint(equalTo: self.contentView.leadingAnchor),
            self.imageView.trailingAnchor.constraint(equalTo: self.contentView.trailingAnchor),
            self.imageView.bottomAnchor.constraint(equalTo: self.contentView.bottomAnchor),
            
            self.titleLabel.bottomAnchor.constraint(equalTo: self.contentView.bottomAnchor),
            self.titleLabel.leadingAnchor.constraint(equalTo: self.contentView.leadingAnchor),
            self.titleLabel.trailingAnchor.constraint(equalTo: self.contentView.trailingAnchor),
            self.titleLabel.heightAnchor.constraint(lessThanOrEqualTo: self.contentView.heightAnchor, multiplier: 0.5)
        ])
    }
    
    private func didSetGif() {
        
        if let gif = gif {
            self.titleLabel.text = gif.title
            self.imageView.loadGifFromUrl(urlString: gif.images.fixedWidth.url)
        }
        
    }
    
}