weaver_tutorial_9.swift

import UIKit

final class MovieViewController: UIViewController {
    
    private let dependencies: MovieViewControllerDependencyResolver
    
    // weaver: movie <= Movie
    
    private lazy var overviewLabel: UILabel = {
        let label = UILabel()
        label.textColor = .white
        label.numberOfLines = 0
        label.font = .systemFont(ofSize: 15)
        label.textAlignment = .natural
        return label
    }()
    
    required init(injecting dependencies: MovieViewControllerDependencyResolver) {
        self.dependencies = dependencies
        super.init(nibName: nil, bundle: nil)
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        view.backgroundColor = .black
        edgesForExtendedLayout = []
        
        view.addSubview(overviewLabel)

        NSLayoutConstraint.activate([
            overviewLabel.topAnchor.constraintEqualToSystemSpacingBelow(view.topAnchor, multiplier: 2),
            overviewLabel.leadingAnchor.constraintEqualToSystemSpacingAfter(view.leadingAnchor, multiplier: 2),
            view.trailingAnchor.constraintEqualToSystemSpacingAfter(overviewLabel.trailingAnchor, multiplier: 2),
            view.bottomAnchor.constraintGreaterThanOrEqualToSystemSpacingBelow(overviewLabel.bottomAnchor, multiplier: 2)
        ])
        
        title = dependencies.movie.title
        self.overviewLabel.text = dependencies.movie.overview
    }
}