Learn-Genie/Learn Genie/View Controller/IntroductionViewController.swift

//
//  IntroductionViewController.swift
//  Learn Genie
//
//  Created by Suraj Kumar Mandal on 30/08/21.
//

import UIKit
import WebKit
import RealmSwift
import SideMenu

class IntroductionViewController: UIViewController {

    @IBOutlet weak var webView: WKWebView!
    @IBOutlet weak var proceedButton: UIButton!
    @IBOutlet var navigationBar: UINavigationBar!
    @IBOutlet var quizInstructionView: UIView!
    @IBOutlet var instructionTableView: UITableView!
    @IBOutlet var quizInstructionLabel: UILabel!
    @IBOutlet var continueButton: UIButton!
    @IBOutlet var cancelButton: UIButton!
    @IBOutlet var wantToContinueLabel: UILabel!
    
    let translation = DBManager.sharedInstance.database.objects(TopicModel.self)
    let levelData = DBManager.sharedInstance.database.objects(LevelModel.self)
    var topicName = ""
    var topicId = Int()
    var mainTopicIndex = Int()
    var topicIndex = Int()
        
    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
        quizInstructionView.isHidden = true
        instructionTableView.delegate = self
        instructionTableView.dataSource = self
        instructionTableView.tableFooterView = UIView()
        instructionTableView.allowsSelection = false
    }
    
    override func viewWillAppear(_ animated: Bool) {
        if Helper.translateText(inputText: topicName) == Helper.translateText(inputText: "Introduction") {
            proceedButton.setTitle(Helper.translateText(inputText: "Proceed"), for: .normal)
        } else {
            proceedButton.setTitle(Helper.translateText(inputText: "Take Quiz"), for: .normal)
        }
        quizInstructionLabel.text = Helper.translateText(inputText: "Quiz Instructions")
        navigationBar.topItem?.title = Helper.translateText(inputText: topicName)
        getTopic()
        setupUI()
    }
    
    func setupUI() {
        wantToContinueLabel.text = Helper.translateText(inputText: "Do you want to continue?")
        continueButton.setTitle(Helper.translateText(inputText: "CONTINUE"), for: .normal)
        cancelButton.setTitle(Helper.translateText(inputText: "CANCEL"), for: .normal)
    }
    
    func getTopic() {
        for item in translation {
            if topicName.lowercased() == item.name.lowercased() {
                topicId = item.id
                self.loadWebView()
                return
            } else {
                //self.view.makeToast("No topic found!")
            }
        }
    }
    
    func loadWebView() {
        let language = DBManager.sharedInstance.database.objects(LanguageModel.self)
        for item in language {
            if item.id == UserDefaultsConstant.getIntValueFromUserDefults(for: "selectedLanguageId") as! Int {
                let unZipDestination = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
                let languageFolderUrl = unZipDestination.appendingPathComponent(item.name)
                let unZipUrl = languageFolderUrl.appendingPathComponent("\(topicId)")
                let contentUrl = unZipUrl.appendingPathComponent("content")
                let indexUrl = contentUrl.appendingPathComponent("index.html")
                print("Unzip Url: \(unZipUrl)")
                print("Content Url: \(contentUrl)")
                print("Index Url: \(indexUrl)")
                
                //let url = URL(string: link)
                let requestObj = URLRequest(url: indexUrl as URL)
                webView.load(requestObj)
            }
        }
    }
    
    
    

    /*
    // 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.
    }
    */
    
    
    @IBAction func menuNavAction(_ sender: Any) {
        let menu = storyboard!.instantiateViewController(withIdentifier: "SideMenuNavigationController") as! SideMenuNavigationController
        present(menu, animated: true, completion: nil)

    }
    
    @IBAction func headerNavigation(_ sender: UIButton) {
        switch sender.tag {
        case 0:
            DispatchQueue.main.async {
                let introVC = self.storyboard?.instantiateViewController(withIdentifier: "IntroductionViewController") as! IntroductionViewController
                introVC.topicName = self.topicName
                self.navigationController?.pushViewController(introVC, animated: false)
            }
            break
        case 1:
            DispatchQueue.main.async {
                let videoVC = self.storyboard?.instantiateViewController(withIdentifier: "VideoIntroductionViewController") as! VideoIntroductionViewController
                videoVC.topicName = self.topicName
                self.navigationController?.pushViewController(videoVC, animated: false)
            }
        case 2:
            DispatchQueue.main.async {
                let audioVC = self.storyboard?.instantiateViewController(withIdentifier: "AudioIntroductionViewController") as! AudioIntroductionViewController
                audioVC.topicName = self.topicName
                self.navigationController?.pushViewController(audioVC, animated: false)
            }
        default:
            break
        }
    }
    
    @IBAction func proceedAction(_ sender: Any) {
        if Helper.translateText(inputText: topicName) == Helper.translateText(inputText: "Introduction") {
            //Set Introduction status to false
            UserDefaults.standard.set(false, forKey: "introduction")
            UserDefaults.standard.synchronize()
            //Navigate to login screen
            DispatchQueue.main.async {
                let homeVC = self.storyboard?.instantiateViewController(withIdentifier:"DashboardViewController" ) as! DashboardViewController
                self.navigationController?.pushViewController(homeVC, animated: true)
            }
        } else {
            if UserDefaultsConstant.getValueFromUserDefults(for: Constant.signInMethod) as! String == "google" {
                quizInstructionView.isHidden = false
            } else {
                let userModel = DBManager.sharedInstance.database.objects(UserDetailsModel.self)
                let userIdentifier = UserDefaultsConstant.getValueFromUserDefults(for: Constant.userIdentifier) as! String
                if userModel.contains(where: {$0.appleIdentifier == userIdentifier}) {
                    quizInstructionView.isHidden = false
                } else {
                    Alert.showAlertWithAction(vc: self, title: Helper.translateText(inputText: "Incomplete Profile"), message: Helper.translateText(inputText: "Please fill up user details and try again!"), alertStyle: .alert, actionTitles: [Helper.translateText(inputText: "CANCEL"), Helper.translateText(inputText: "Edit Profile")], actionStyles: [.cancel, .default], actions: [{_ in
                        print("cancel click")
                    }, { [self]_ in
                        print("yes click")
                        //Navigate to User details
                        DispatchQueue.main.async {
                            let loaderVC = self.storyboard?.instantiateViewController(withIdentifier:"UserDetailsViewController" ) as! UserDetailsViewController
                            self.navigationController?.pushViewController(loaderVC, animated: true)
                        }
                    }])
                }
            }
        }
    }
    
    @IBAction func quizInstructionAction(_ sender: UIButton) {
        switch sender.tag {
        case 0:
            quizInstructionView.isHidden = true
            DispatchQueue.main.async {
//                let quizVC = self.storyboard?.instantiateViewController(withIdentifier: "TakeQuizViewController") as! TakeQuizViewController
//                quizVC.topicId = self.topicId
//                self.navigationController?.pushViewController(quizVC, animated: false)
                let quizVC = self.storyboard?.instantiateViewController(withIdentifier: "AnimationTakeQuizViewController") as! AnimationTakeQuizViewController
                quizVC.topicId = self.topicId
                quizVC.topicIndex = self.topicIndex
                quizVC.mainTopicIndex = self.mainTopicIndex
                self.navigationController?.pushViewController(quizVC, animated: false)
            }
            break
        case 1:
            quizInstructionView.isHidden = true
            break
        default:
            break
        }
    }

}

extension IntroductionViewController: UITableViewDelegate, UITableViewDataSource {
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return Constant.quizInstruction.count
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        guard let cell = tableView.dequeueReusableCell(withIdentifier: "OptionsTableViewCell", for: indexPath) as? OptionsTableViewCell else {
            return UITableViewCell()
        }
        
        if indexPath.row > 3 {
            cell.optionTitleLabel.text = "\(Constant.bullet) \(indexPath.row-4)/5 \(Helper.translateText(inputText: Constant.quizInstruction[indexPath.row]))"
        } else {
            cell.optionTitleLabel.text = Helper.translateText(inputText: Constant.quizInstruction[indexPath.row])
        }
        
        return cell
    }
}