Product-Calculator/Product Calculator/View Controller/DashboardViewController.swift

//
//  DashboardViewController.swift
//  Product Calculator
//
//  Created by Suraj Kumar Mandal on 09/11/21.
//

import UIKit
import SideMenu

class DashboardViewController: UIViewController {
    
    @IBOutlet var menuCollectionView: UICollectionView!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // Do any additional setup after loading the view.
        menuCollectionView.delegate = self
        menuCollectionView.dataSource = self
    }
    
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        
        navigationController?.navigationBar.barStyle = .black
        setupUI()
    }
    
    override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
        self.disableSwipeToPop()
    }
    
    override var preferredStatusBarStyle: UIStatusBarStyle {
        return .lightContent
    }
    
    func setupUI() {
        self.navigationItem.title = "Dashboard"
        self.navigationItem.hidesBackButton = true
        let menuBarButtonItem = UIBarButtonItem(image: UIImage(systemName: "line.3.horizontal"), style: .plain, target: self, action: #selector(openMenu))
        self.navigationItem.leftBarButtonItem  = menuBarButtonItem
        if #available(iOS 13, *) {
            let appearance = UINavigationBarAppearance()
            appearance.backgroundColor = .systemBlue
            appearance.titleTextAttributes = [.foregroundColor: UIColor.white]
            appearance.largeTitleTextAttributes = [.foregroundColor: UIColor.white]
            
            navigationController?.navigationBar.tintColor = .white
            navigationController?.navigationBar.standardAppearance = appearance
            navigationController?.navigationBar.compactAppearance = appearance
            navigationController?.navigationBar.scrollEdgeAppearance = appearance
        }
    }
    
    @objc func openMenu(_ sender: Any) {
        let menu = storyboard!.instantiateViewController(withIdentifier: "SideMenuNavigationController") as! SideMenuNavigationController
        present(menu, animated: true, completion: nil)
    }
    
    
    /*
     // MARK: - Navigation
     
     // In a storyboard-based application, you will often want to do a little preparation before navigation
     override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
     // Get the new view controller using segue.destination.
     // Pass the selected object to the new view controller.
     }
     */
    
}

extension DashboardViewController : UICollectionViewDelegate, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout {
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        return 4
    }
    
    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "SubMenuCollectionViewCell", for: indexPath as IndexPath) as! SubMenuCollectionViewCell
        cell.cardView()
        cell.imageView.image = UIImage(named: AppConstant.MENU_IMAGE[indexPath.row])
        cell.titleLabel.text = AppConstant.MENU_TITLE[indexPath.row]
        return cell
    }
    
    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
        DispatchQueue.main.async {
            let subMenuVC = self.storyboard?.instantiateViewController(withIdentifier: "SubMenuViewController") as! SubMenuViewController
            subMenuVC.menu = indexPath.row
            self.navigationController?.pushViewController(subMenuVC, animated: true)
            //self.present(subMenuVC, animated: true, completion: nil)
        }
    }
    
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
        return CGSize(width: (collectionView.frame.size.width-10)/2, height: 180)
    }
}

extension DashboardViewController : UIGestureRecognizerDelegate {
    func disableSwipeToPop() {
        self.navigationController?.interactivePopGestureRecognizer?.isEnabled = true
        self.navigationController?.interactivePopGestureRecognizer?.delegate = self
    }
    
    func gestureRecognizerShouldBegin(_ gestureRecognizer: UIGestureRecognizer) -> Bool {
        
        if gestureRecognizer == self.navigationController?.interactivePopGestureRecognizer {
            return false
        }
        return true
    }
}