AppBuilderiOS/appbuilder-ios/AppBuilder/AppBuilder/FirstTabViewController.swift

//
//  FirstTabViewController.swift
//  AppBuilder
//
//  Created by Kevin Maulana on 29/03/22.
//

import UIKit
import WebKit

class FirstTabViewController: UIViewController, WKUIDelegate, UIScrollViewDelegate, UIGestureRecognizerDelegate {
    
    @IBOutlet weak var webView: WKWebView!
    var address = ""
    private var lastContentOffset: CGFloat = 0
    
    override func viewDidLoad() {
        super.viewDidLoad()
        let cpaasMode = PrefsUtil.getCpaasMode()
        let isBurger = cpaasMode == PrefsUtil.CPAAS_MODE_BURGER
//        navigationController?.navigationBar.backgroundColor = .white
        navigationController?.setNavigationBarHidden(!isBurger, animated: false)
        let tapGesture = UITapGestureRecognizer(target: self, action: #selector(collapseDocked))
        tapGesture.cancelsTouchesInView = false
        tapGesture.delegate = self
        webView.scrollView.addGestureRecognizer(tapGesture)
        let refreshControl = UIRefreshControl()
        refreshControl.addTarget(self, action: #selector(reloadWebView(_:)), for: .valueChanged)
        webView.scrollView.addSubview(refreshControl)
        webView.scrollView.delegate = self
    }
    
    override func viewWillAppear(_ animated: Bool) {
        let me = UserDefaults.standard.string(forKey: "me")
        
        var myURL : URL?
        switch(ViewController.sURL){
        case "0":
            address = "https://qmera.io/nexilis/pages/tab1-main-only?f_pin=\(me ?? "")"
            myURL = URL(string: address)
        case "1":
            address = "https://qmera.io/nexilis/pages/tab3-main-only?f_pin=\(me ?? "")"
            myURL = URL(string: address)
        case "2":
            address = "https://qmera.io/nexilis/pages/tab1-main?f_pin=\(me ?? "")"
            myURL = URL(string: address)
        case "3":
            address = "https://qmera.io/nexilis/pages/tab3-commerce?f_pin=\(me ?? "")"
            myURL = URL(string: address)
        default:
            if(!ViewController.sURL.isEmpty){
                if(ViewController.sURL.lowercased().contains("https://")){
                    address = ViewController.sURL
                    myURL = URL(string: address)
                }
                else {
                    address = "https://\(ViewController.sURL)"
                    myURL = URL(string: address)
                }
            }
        }
        print(address)
        if let u = myURL{
            let myRequest = URLRequest(url: u)
            webView.load(myRequest)
        }
        self.navigationController?.navigationBar.topItem?.title = Bundle.main.displayName
        let cpaasMode = PrefsUtil.getCpaasMode()
        let isBurger = cpaasMode == PrefsUtil.CPAAS_MODE_BURGER
        navigationController?.setNavigationBarHidden(!isBurger, animated: false)
    }
    
    override func viewDidAppear(_ animated: Bool) {
        
    }
    
    func scrollViewDidScroll(_ scrollView: UIScrollView) {
        if (self.lastContentOffset > scrollView.contentOffset.y && scrollView.contentOffset.y < (scrollView.contentSize.height - scrollView.frame.size.height)) {
            showTabBar();
        }
        else if (self.lastContentOffset != 0 && self.lastContentOffset < scrollView.contentOffset.y && self.lastContentOffset >= 0) {
            hideTabBar();
        }
        self.lastContentOffset = scrollView.contentOffset.y
        self.collapseDocked()
    }
    
    @objc func collapseDocked() {
        if ViewController.isExpandButton {
            ViewController.expandButton()
        }
    }

    @objc func reloadWebView(_ sender: UIRefreshControl) {
        webView.reload()
        sender.endRefreshing()
    }
    
    func hideTabBar() {
        var viewController = UIApplication.shared.windows.first!.rootViewController
        if !(viewController is ViewController) {
            viewController = self.parent
        }
        if ViewController.middleButton.isDescendant(of: viewController!.view) {
            DispatchQueue.main.async {
                if let viewController = viewController as? ViewController {
                    viewController.tabBar.isHidden = true
                }
                ViewController.removeMiddleButton()
            }
        }
    }

    func showTabBar() {
        if(ViewController.alwaysHideButton){
            return
        }
        var viewController = UIApplication.shared.windows.first!.rootViewController
        if !(viewController is ViewController) {
            viewController = self.parent
        }
        if !ViewController.middleButton.isDescendant(of: viewController!.view) {
            ViewController.isExpandButton = false
            if let viewController = viewController as? ViewController {
                viewController.tabBar.isHidden = false
                viewController.createMidFloatingButton()
            }
        }
    }

    func scrollViewWillBeginZooming(_ scrollView: UIScrollView, with view: UIView?) {
        scrollView.pinchGestureRecognizer?.isEnabled = false
    }

    /*
    // 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.
    }
    */

}