//
//  MainViewController.swift
//
//
//  Created by shishir sapkota
//

import Foundation
import UIKit

class MainViewController: UITabBarController {
  // MARK: Properties
  
  // MARK: ENUMS:
  private enum Items: Int {
    case home = 0
    case sendMoney
    case branch
    case profile
  }
  
  var presenter: MainModuleInterface?
  
  // MARK: VC's Life cycle
  
  override func viewDidLoad() {
    super.viewDidLoad()
    self.delegate = self
    self.setupAppearance()
  }
  
  func setup(viewControllers: [UIViewController]) {
    self.viewControllers = viewControllers
    self.setupTab()
    setupTabItem()
  }
  
  // MARK: Other functions
  func setupAppearance() {
    UINavigationBar.setInsideAppearance()
  }
  
  private func setupTab() {
    self.tabBar.tintColor = Colors.defaultRed
    self.tabBar.isTranslucent = false
    self.tabBar.shadowImage = Colors.TabBar.shadow.image()
    self.tabBar.backgroundImage = UIImage()
//    self.tabBar.barTintColor = .themeMainBackground
  }
  
  override func setupTabItem() {
  }
}

extension MainViewController: MainViewInterface {
  
}

extension MainViewController: UITabBarControllerDelegate {
  func tabBarController(
    _ tabBarController: UITabBarController,
    shouldSelect viewController: UIViewController
  ) -> Bool {
    if let nav = viewController as? UINavigationController {
      if nav.viewControllers.first as? RecipientsViewController != nil {
        NotificationCenter.default.post(
          name: Notification.Name.init(AppConstants.MainWireFrameNotificationName),
          object: nil,
          userInfo: nil
        )
        
        return Utility.isVerifiedUser()
      }
    }
    print(tabBarController.selectedIndex)
    return true
  }
}

extension UINavigationBar {
  static func setInsideAppearance() {
    let navBarAppearance = UINavigationBar.appearance()
    navBarAppearance.isTranslucent = false
    navBarAppearance.barTintColor = UIColor.white
  }
  
  static func setOutsideAppearance() {
    self.setInsideAppearance()
    let navBarAppearance = UINavigationBar.appearance()
    navBarAppearance.barTintColor = Colors.defaultRed
    let font = Fonts.NavBar.titleFont
    navBarAppearance.titleTextAttributes = [
      NSAttributedString.Key.foregroundColor: UIColor.black,
      NSAttributedString.Key.font: font]
    navBarAppearance.tintColor = UIColor.black
  }
  
  static func setupImageAppearance() {
    let navBarAppearance = UINavigationBar.appearance()
    navBarAppearance.barTintColor = Colors.defaultRed
    let font = Fonts.NavBar.titleFont
    navBarAppearance.titleTextAttributes = [
      NSAttributedString.Key.foregroundColor: UIColor.black,
      NSAttributedString.Key.font: font]
    navBarAppearance.tintColor = UIColor.black
  }
}

@objc protocol Setup {
  @objc optional func setupTabItem()
}

extension UIViewController: Setup {
  func setupTabItem() {
    
  }
}
struct Colors {
  
  static let separator = UIColor(hex: "#eeeeee")
  static let defaultRed = UIColor(hex: "#0xec1c24")
  static let cartBadge = UIColor(hex: "#F5951D")
  
  struct TabBar {
    static let textItemSelected = Colors.defaultRed
    static let textItemNotSelected = UIColor(hex: "#959595")
    static let shadow = Colors.separator
  }
  
  struct NavBar {
    //        static let barTint =
    static let tint = UIColor.white
    static let shadow = Colors.separator
  }
  
  struct XLTabBar {
    static let titleUnselected = UIColor(hex: "#555555")
    static let titleSelected = Colors.defaultRed
    static let selectedBackground = Colors.defaultRed
  }
}

struct Fonts {
  struct TabBar {
    static let itemFont = UIFont.sanfrancisco(.light, size: 10)
  }
  
  struct NavBar {
    static let titleFont = UIFont.sanfrancisco(.regular, size: 17)
  }
  
  struct XLTabBar {
    static let itemFont = UIFont.sanfrancisco(.regular, size: 12)
  }
  
  struct Error {
    static let font = UIFont.sanfrancisco(.semibold, size: 11)
  }
}

extension UIColor {
  func image(of size: CGSize = CGSize(width: 1, height: 1)) -> UIImage {
    let rect = CGRect(origin: .zero, size: size)
    UIGraphicsBeginImageContextWithOptions(size, false, 0)
    self.setFill()
    UIRectFill(rect)
    let image: UIImage = UIGraphicsGetImageFromCurrentImageContext()!
    UIGraphicsEndImageContext()
    return image
  }
}