//
//  EQNAppearanceCommand.swift
//  Earthquake Network
//
//  Created by Busi Andrea on 14/08/2020.
//  Copyright © 2020 Earthquake Network. All rights reserved.
//

import Foundation


public class EQNAppearanceCommand: EQNCommandProtocol {
    
    // MARK: - Public
    
    func execute() {
        print("EQNAppearanceCommand: start execute")
        
        applyAppearance()
    }
    
    // MARK: - Private
    
    private func applyAppearance() {
        // UINavigationBar
        let proxyNavBar = UINavigationBar.appearance(whenContainedInInstancesOf: [UINavigationController.self])
        if #available(iOS 13.0, *) {
            let navAppearance = UINavigationBarAppearance()
            navAppearance.configureWithOpaqueBackground()
            navAppearance.titleTextAttributes = [
                NSAttributedString.Key.foregroundColor: AppTheme.Colors.darkGray
            ]
            navAppearance.largeTitleTextAttributes = [
                NSAttributedString.Key.foregroundColor: AppTheme.Colors.darkGray
            ]
            navAppearance.backgroundColor = AppTheme.Colors.primary
            navAppearance.shadowColor = UIColor.clear

            proxyNavBar.isTranslucent = false
            proxyNavBar.tintColor = AppTheme.Colors.darkGray
            proxyNavBar.standardAppearance = navAppearance
            proxyNavBar.scrollEdgeAppearance = navAppearance
        } else {
            proxyNavBar.tintColor = AppTheme.Colors.darkGray
            proxyNavBar.isTranslucent = false
            proxyNavBar.barTintColor = AppTheme.Colors.primary
            proxyNavBar.titleTextAttributes = [
                NSAttributedString.Key.foregroundColor: UIColor.white
            ]
        }
        
        let proxyTabBar = UITabBar.appearance()
        proxyTabBar.tintColor = AppTheme.Colors.red
    }
}