import Messages
import UIKit

final class MessagesViewController: MSMessagesAppViewController {
	private let stickerBrowser = StickerBrowserViewController()

	override func viewDidLoad() {
		super.viewDidLoad()
		addStickerBrowser()
	}

	override func willBecomeActive(with conversation: MSConversation) {
		stickerBrowser.reloadStickers()
	}

	// MARK: - Child view controllers

	private func addStickerBrowser() {
		addChild(stickerBrowser)
		stickerBrowser.view.translatesAutoresizingMaskIntoConstraints = false
		view.addSubview(stickerBrowser.view)
		NSLayoutConstraint.activate([
			stickerBrowser.view.topAnchor.constraint(equalTo: view.topAnchor),
			stickerBrowser.view.bottomAnchor.constraint(equalTo: view.bottomAnchor),
			stickerBrowser.view.leadingAnchor.constraint(equalTo: view.leadingAnchor),
			stickerBrowser.view.trailingAnchor.constraint(equalTo: view.trailingAnchor),
		])
		stickerBrowser.didMove(toParent: self)
	}
}