Woka_Native_iOS/WOKA/TabBar & SideMenu/TabBarVC.swift

//  TabBarVC
//
//  Created by MacBook Pro on 14/05/24.
//


import UIKit

class TabBarVC: UITabBarController {
    
    var upperLineView: UIView!
    
    let spacing: CGFloat = 12
    var customTabBarView = UIView(frame: .zero)
    
    override func viewDidLoad() {
        super.viewDidLoad()
        self.delegate = self
        customizeTabBarItemFont()
        
        //        UITabBar.appearance().tintColor = #colorLiteral(red: 0.0349480696, green: 0.0643344149, blue: 0.4407724142, alpha: 1)
        ////        UITabBar.appearance().unselectedItemTintColor = #colorLiteral(red: 0.0349480696, green: 0.0643344149, blue: 0.4407724142, alpha: 1)
        //        UITabBar.appearance().unselectedItemTintColor = #colorLiteral(red: 0.501960814, green: 0.501960814, blue: 0.501960814, alpha: 1)
        
        self.setupTabBarUI()
        self.addCustomTabBarView()
    }
    
    override func viewDidLayoutSubviews() {
        super.viewDidLayoutSubviews()
        if hasTopNotch{
            tabBar.frame.size.height = 95
            tabBar.frame.origin.y = view.frame.height - 95
        }else{
            tabBar.frame.size.height = 80
            tabBar.frame.origin.y = view.frame.height - 80
        }
        
    }
    
    func customizeTabBarItemIconSize() {
        // Get a reference to the tab bar controller
        if let tabBarController = self.tabBarController {
            // Loop through each tab bar item
            for item in tabBarController.tabBar.items! {
                // Adjust the image insets to increase the icon size
                item.imageInsets = UIEdgeInsets(top: 2, left: -5, bottom: -8, right: -5)
                item.titlePositionAdjustment.vertical = CGFloat(8)
            }
        }
    }
    
    // function to set tab bar item font
    func customizeTabBarItemFont() {
        // Set the font attributes
        let attributes = [NSAttributedString.Key.font: FontCustom.shareInstance.customFont(fontName: .Exo2_Bold, size: 12)]
        
        // Apply the attributes to the appearance proxy of UITabBarItem
        UITabBarItem.appearance().setTitleTextAttributes(attributes, for: .normal)
    }
    
    // function to customize tab bar item icon size
//    func customizeTabBarItemIconSize() {
//        // Get a reference to the tab bar controller
//        if let tabBarController = self.tabBarController {
//            // Loop through each tab bar item
//            for item in tabBarController.tabBar.items! {
//                // Adjust the image insets to increase the icon size
//                item.imageInsets = UIEdgeInsets(top: 4, left: 0, bottom: -8, right: 0)
//            }
//        }
//    }
    
    ///Add tabbar item indicator uper line
    //    func addTabbarIndicatorView(index: Int, isFirstTime: Bool = false){
    //        guard let tabView = tabBar.items?[index].value(forKey: "view") as? UIView else {
    //            return
    //        }
    //        if !isFirstTime{
    //            upperLineView.removeFromSuperview()
    //        }
    //        upperLineView = UIView(frame: CGRect(x: tabView.frame.minX + spacing, y: tabView.frame.minY + 0.1, width: tabView.frame.size.width - spacing * 2, height: 4))
    //        upperLineView.backgroundColor = UIColor.systemPink
    //        tabBar.addSubview(upperLineView)
    //    }
    
    // MARK: Private methods
    
    private func setupCustomTabBarFrame() {
        let height = self.view.safeAreaInsets.bottom + 64
        
        var tabFrame = self.tabBar.frame
        tabFrame.size.height = height
        tabFrame.origin.y = self.view.frame.size.height - height
        
        self.tabBar.frame = tabFrame
        self.tabBar.setNeedsLayout()
        self.tabBar.layoutIfNeeded()
        customTabBarView.frame = tabBar.frame
    }
    
    private func setupTabBarUI() {
        // Setup your colors and corner radius
        self.tabBar.backgroundColor = UIColor.white
        self.tabBar.layer.cornerRadius = 15
        self.tabBar.layer.maskedCorners = [.layerMinXMinYCorner, .layerMaxXMinYCorner]
        self.tabBar.backgroundColor = .white
        self.tabBar.tintColor = #colorLiteral(red: 0.0349480696, green: 0.0643344149, blue: 0.4407724142, alpha: 1)
        self.tabBar.unselectedItemTintColor = #colorLiteral(red: 0.501960814, green: 0.501960814, blue: 0.501960814, alpha: 1)
        
        // Remove the line
        if #available(iOS 13.0, *) {
            let appearance = self.tabBar.standardAppearance
            appearance.shadowImage = nil
            appearance.shadowColor = nil
            self.tabBar.standardAppearance = appearance
        } else {
            self.tabBar.shadowImage = UIImage()
            self.tabBar.backgroundImage = UIImage()
        }
    }
    
    private func addCustomTabBarView() {
        self.customTabBarView.frame = tabBar.frame
        
        self.customTabBarView.backgroundColor = .white
        self.customTabBarView.layer.cornerRadius = 30
        self.customTabBarView.layer.maskedCorners = [.layerMinXMinYCorner, .layerMaxXMinYCorner]
        
        self.customTabBarView.layer.masksToBounds = false
        self.customTabBarView.layer.shadowColor = UIColor.red.withAlphaComponent(0.8).cgColor
        self.customTabBarView.layer.shadowOffset = CGSize(width: -4, height: -6)
        self.customTabBarView.layer.shadowOpacity = 0.5
        self.customTabBarView.layer.shadowRadius = 20
        
        self.view.addSubview(customTabBarView)
        self.view.bringSubviewToFront(self.tabBar)
    }
}

extension TabBarVC: UITabBarControllerDelegate {
    
    // Implement the tabBarController(_:didSelect:) method to handle tab changes
    func tabBarController(_ tabBarController: UITabBarController, didSelect viewController: UIViewController) {
        // This method will be called whenever a tab is selected
        // Do something based on the selected index
        print("Selected tab index: \(tabBarController.selectedIndex)")
        
        if tabBarController.selectedIndex == 1{
            
        }
    }
    
    // Implement the tabBarController(_:shouldSelect:) method to control tab selection
    func tabBarController(_ tabBarController: UITabBarController, shouldSelect viewController: UIViewController) -> Bool {
        
        if viewController == tabBarController.viewControllers?[1] {
            let sb = UIStoryboard(name: "Home", bundle: nil)
            let vc = sb.instantiateViewController(withIdentifier: "ExploreWokaVC") as! ExploreWokaVC
            vc.modalPresentationStyle = .overCurrentContext
            vc.modalTransitionStyle = .crossDissolve
            present(vc, animated: true, completion: nil)
            return false
        }
        // Return false to prevent tab selection
        return true
    }
}


var hasTopNotch: Bool {
    if #available(iOS 11.0, tvOS 11.0, *) {
        return UIApplication.shared.keyWindowInConnectedScenes?.safeAreaInsets.top ?? 0 > 20
    }
    return false
}