//
//  ScoreboardViewController.swift
//  Learn Genie
//
//  Created by Suraj Kumar Mandal on 13/09/21.
//

import UIKit
import SideMenu

class ScoreboardViewController: UIViewController {
    
    @IBOutlet var navigationBar: UINavigationBar!
    @IBOutlet var scoreTableView: UITableView!
    
    let scoreData = DBManager.sharedInstance.database.objects(SaveScoreBoard.self)
    let levelData = DBManager.sharedInstance.database.objects(LevelModel.self)
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // Do any additional setup after loading the view.
        scoreTableView.delegate = self
        scoreTableView.dataSource = self
        scoreTableView.tableFooterView = UIView()
        print(scoreData)
    }
    
    override func viewWillAppear(_ animated: Bool) {
        navigationBar.topItem?.title = Helper.translateText(inputText: "Scoreboard")
        scoreTableView.reloadData()
    }
    
    func getLevelImageBytes(id:Int) -> String {
        var bytes = String()
        for item in levelData {
            if id == item.id {
                bytes = item.iconBytes
            }
        }
        return bytes
    }
    
    func getLevelName(id:Int) -> String {
        var name = String()
        for item in levelData {
            if id == item.id {
                name = item.name
            }
        }
        return name
    }
    
    func getTopicCount(id:Int) -> Int {
        var count = Int()
        for item in levelData {
            if id == item.id {
                count = item.topics.count
            }
        }
        return count
    }
    
    func convertBytesToImage(byteString: String) -> UIImage? {
        let strings = byteString.components(separatedBy: ",")
        var bytes = [UInt8]()
        for i in 0..<strings.count {
            if let signedByte = Int8(strings[i]) {
                bytes.append(UInt8(bitPattern: signedByte))
            } else {
                // Do something with this error condition
            }
        }
        let imageData: NSData = NSData(bytes: bytes, length: bytes.count)
        return UIImage(data: imageData as Data)
    }
    
    
    /*
     // 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 ScoreboardViewController: UITableViewDelegate, UITableViewDataSource {
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        print(scoreData.count)
        return self.levelData.count
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        guard let cell = tableView.dequeueReusableCell(withIdentifier: "ScoreBoardTableViewCell", for: indexPath) as? ScoreBoardTableViewCell else {
            return UITableViewCell()
        }
        
        if levelData[indexPath.row].name == "Introduction" {
            cell.isHidden = true
        } else {
            cell.runLabel.text = Helper.translateText(inputText: "RUNS")
            cell.wicketLabel.text = Helper.translateText(inputText: "WICKETS")
            cell.maxScoreLabel.text = Helper.translateText(inputText: "Max Score you can earn")
            
            cell.scoreImageView.image = convertBytesToImage(byteString: getLevelImageBytes(id: levelData[indexPath.row].id))
            cell.scoreNameLabel.text = Helper.translateText(inputText: getLevelName(id: levelData[indexPath.row].id))
            var run = Int()
            var wicket = Int()
            for score in scoreData {
                if score.levelId == levelData[indexPath.row].id {
                    run = run + score.runs
                    wicket = wicket + score.wickets
                }
            }
            cell.noOfRunLabel.text = String(run)
            cell.noOfWicketLabel.text = String(wicket)
            cell.noOfMaxScoreLabel.text = String(getTopicCount(id: levelData[indexPath.row].id) * 6)
        }
        
        return cell
    }
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        DispatchQueue.main.async { [self] in
            let optionVC = self.storyboard?.instantiateViewController(withIdentifier: "OptionViewController") as! OptionViewController
            optionVC.levelId = levelData[indexPath.row].id
            optionVC.levelName = getLevelName(id: levelData[indexPath.row].id)
            optionVC.maxScore = getTopicCount(id: levelData[indexPath.row].id) * 6
            self.navigationController?.pushViewController(optionVC, animated: false)
        }
    }
    
    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        var rowHeight:CGFloat = 0.0
        
        if levelData[indexPath.row].name == "Introduction" {
            rowHeight = 0.0
        } else {
            rowHeight = 160.0    //or whatever you like
        }
        
        return rowHeight
    }
}