//
//  NotificationsNavBarIPAD.swift
//  OpenVPN
//
//  Created by Lizaveta Malinouskaya on 24.08.21.
//  Copyright © 2021 Privado LLC. All rights reserved.
//

import UIKit

protocol NotificationNavBarOutput {
    func didTapCloseButton()
    func viewIsReady()
}

class NotificationsNavBarIPAD: UIView {
    
    // MARK: - Constant
    enum Constant {
        enum Geometry {
            static let nbHeight: CGFloat = 42
            static let buttonTrailing: CGFloat = 19
        }
        enum Color {
            static let bg = Colors.Notification.nbBg.color
            static let accent = Colors.Notification.accent.color
        }
        enum String {
            static let title = NSLocalizedString("notificationCenter.navBar.title", comment: "Notification Center")
        }
        enum Image {
            static let close = UIImage(named: "notification.close")
        }
        enum Font {
            static let title = UIFont.primary(size: 12, weight: .medium)
        }
    }
    // MARK: - Property
    var output: NotificationNavBarOutput
    
    // MARK: - init
    
    public init(with output: NotificationNavBarOutput) {
        self.output = output
        super.init(frame: .zero)
        self.setupUI()
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    // MARK: - UI
    
    private func setupUI() {
        self.translatesAutoresizingMaskIntoConstraints = false
        self.backgroundColor = Constant.Color.bg
        self.setupTitle(with: self)
        self.setupCloseButton(with: self)
    }
    
    private func setupTitle(with container: UIView) {
        let title = UILabel()
        title.text = Constant.String.title
        title.textColor = Constant.Color.accent
        title.font = Constant.Font.title
        title.translatesAutoresizingMaskIntoConstraints = false
        container.addSubview(title)
        
        NSLayoutConstraint.activate([
            title.centerYAnchor.constraint(equalTo: container.centerYAnchor, constant: 1),
            title.centerXAnchor.constraint(equalTo: container.centerXAnchor)
        ])
    }
    
    private func setupCloseButton(with container: UIView) {
        let closeButton = UIButton()
        closeButton.translatesAutoresizingMaskIntoConstraints = false
        closeButton.setImage(Constant.Image.close, for: .normal)
        closeButton.addTarget(container, action: #selector(self.didTapClose), for: .touchUpInside)
        container.addSubview(closeButton)
        
        NSLayoutConstraint.activate([
            closeButton.centerYAnchor.constraint(equalTo: container.centerYAnchor),
            closeButton.trailingAnchor.constraint(equalTo: container.trailingAnchor, constant: -Constant.Geometry.buttonTrailing)
        ])
    }
    
    @objc private func didTapClose() {
        self.output.didTapCloseButton()
    }
}