//
//  DashboardViewController.swift
//  Learn Genie
//
//  Created by Suraj Kumar Mandal on 17/08/21.
//

import UIKit
import SideMenu
import Alamofire
import RealmSwift

class DashboardViewController: UIViewController {
    
    @IBOutlet weak var tableView: UITableView!    
    @IBOutlet var navigationBar: UINavigationBar!
    
    var realm = try! Realm()
    
    private var timer: DispatchSourceTimer?
        
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // Do any additional setup after loading the view.
        
        tableView.delegate = self
        tableView.dataSource = self
        tableView.tableFooterView = UIView()
        startTimer()
    }
    
    override func viewWillAppear(_ animated: Bool) {
        tableView.reloadData()
        navigationBar.topItem?.title = Helper.translateText(inputText: "Dashboard")
    }
    
    func startTimer() {
        let queue = DispatchQueue(label: Bundle.main.bundleIdentifier! + ".timer")
        timer = DispatchSource.makeTimerSource(queue: queue)
        timer!.schedule(deadline: .now(), repeating: .seconds(60))
        timer!.setEventHandler { [weak self] in
            // do whatever stuff you want on the background queue here here

            DispatchQueue.main.async {
                // update your model objects and/or UI here
                ApiManager.generateCookie()
                self!.saveScoreboard()
            }
        }
        timer!.resume()
    }

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

    }
    
}

extension DashboardViewController: UITableViewDelegate, UITableViewDataSource {
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return 2
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        guard let cell = tableView.dequeueReusableCell(withIdentifier: "DashboardTableViewCell", for: indexPath) as? DashboardTableViewCell else {
            return UITableViewCell()
        }
        
        if indexPath.row == 0 {
            cell.itemImageView.image = UIImage(named: "ic_home_item_02")
            cell.headLabel.text = Helper.translateText(inputText: "Learn about Finance")
            cell.contentLabel.text = Helper.translateText(inputText: "Start your Innings with the Basics of Personal Finance")
        } else if indexPath.row == 1 {
            cell.itemImageView.image = UIImage(named: "score")
            cell.headLabel.text = Helper.translateText(inputText: "Scoreboard")
            cell.contentLabel.text = Helper.translateText(inputText: "Get your Scores for the Different Learning Modules & Topics")
        } else {
            cell.itemImageView.image = UIImage(named: "chat-bubble")
            cell.headLabel.text = Helper.translateText(inputText: "Certification Test")
            cell.contentLabel.text = Helper.translateText(inputText: "A test to check your knowledge about all aspects of Insurance")
        }
        
        return cell
    }
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        if indexPath.row == 0 {
            DispatchQueue.main.async {
                let learningModuleVC = self.storyboard?.instantiateViewController(withIdentifier: "LearningModulesViewController") as! LearningModulesViewController
                
                self.navigationController?.pushViewController(learningModuleVC, animated: false)
            }
        } else if indexPath.row == 1 {
            DispatchQueue.main.async {
                let learningModuleVC = self.storyboard?.instantiateViewController(withIdentifier: "ScoreboardViewController") as! ScoreboardViewController
                
                self.navigationController?.pushViewController(learningModuleVC, animated: false)
            }
        } else {
            DispatchQueue.main.async {
                let learningModuleVC = self.storyboard?.instantiateViewController(withIdentifier: "CertificationTestViewController") as! CertificationTestViewController
                
                self.navigationController?.pushViewController(learningModuleVC, animated: false)
            }
        }
    }
}

extension DashboardViewController {
    func saveScoreboard() {
        let saveScoreDB = DBManager.sharedInstance.database.objects(SaveScoreBoard.self)
        print(saveScoreDB)
        for score in saveScoreDB {
            if score.synced == false {
                let url = "\(ApiUrl.BASE_URL + ApiUrl.API_SCOREBOARD)/save.json"
                print(url)
                let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
                let headers: HTTPHeaders = [
                    "Content-Type": "application/json",
                    "Accept": "application/json",
                    "Cookie": "\(Constant.CookieName) = \(cookieValue)"
                ]
                print(headers)
                
                let params: Parameters?
                params = [
                    "student" : score.student,
                    "level" : score.levelId,
                    "topic" : score.topicId,
                    "runs" : score.runs,
                    "wickets" : score.wickets,
                    "noOfAttempts" : score.noOfAttempts
                ]
                print(params!)
                
                AF.request(url, method: .post, parameters: params, encoding: JSONEncoding.default, headers: headers).responseJSON { response in
                    if let responseStatus = response.response?.statusCode {
                        if responseStatus != 201 {
                            print("error...")
                        } else {
                            try! self.realm.write {
                                score.synced = true
                            }
                        }
                    }
                }
            }
        }
    }
}