//
//  ViewAnswerViewController.swift
//  Learn Genie
//
//  Created by Suraj Kumar Mandal on 20/09/21.
//

import UIKit

class ViewAnswerViewController: UIViewController {
    
    @IBOutlet var viewAnswerHeadLabel: UILabel!
    @IBOutlet var viewAnswerTableView: UITableView!
    @IBOutlet var closeButton: UIButton!
    
    var selectedAnswer = [SelectedAnswerModel]()
    let questionDB = DBManager.sharedInstance.database.objects(QuestionModel.self)
    let choiceDB = DBManager.sharedInstance.database.objects(ChoiceModel.self)
    
    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
        viewAnswerTableView.delegate = self
        viewAnswerTableView.dataSource = self
        viewAnswerTableView.tableFooterView = UIView()
        setupUI()
        for item in selectedAnswer {
            print("Saved QuesId: \(item.quesId), Saved ChoiceId: \(item.choiceId), Saved Answer: \(item.answerId)")
        }
    }
    
    func setupUI() {
        viewAnswerHeadLabel.text = Helper.translateText(inputText: "View Answer")
        closeButton.setTitle(Helper.translateText(inputText: Constant.Close), for: .normal)
    }
    
    func getQuestion(id:Int) -> String {
        var question = String()
        for ques in questionDB {
            if ques.id == id {
                question = ques.content
            }
        }
        return question
    }
    
    func getChoiceArray(quesId:Int) -> [Int] {
        var choiceArray = [Int]()
        if let row = questionDB.firstIndex(where: {$0.id == quesId}) {
            for choice in questionDB[row].choices {
                let id = choice.id
                choiceArray.append(id)
            }
        }
        return choiceArray
    }
    
    func getChoiceName(id:Int) -> String {
        var choiceName = String()
        for choice in choiceDB {
            if choice.id == id {
                choiceName = choice.content
            }
        }
        return choiceName
    }

    /*
    // 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 closeAction(_ sender: Any) {
        //self.navigationController?.popViewController(animated: true)
        self.dismiss(animated: true)
    }
    
}

extension ViewAnswerViewController: UITableViewDelegate, UITableViewDataSource {
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return selectedAnswer.count
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        guard let cell = tableView.dequeueReusableCell(withIdentifier: "ViewAnswerTableViewCell", for: indexPath) as? ViewAnswerTableViewCell else {
            return UITableViewCell()
        }
        cell.questionLabel.text = Helper.translateText(inputText: getQuestion(id: selectedAnswer[indexPath.row].quesId))
        cell.quesId = selectedAnswer[indexPath.row].quesId
        cell.selectedChoice = selectedAnswer[indexPath.row].choiceId
        cell.answer = selectedAnswer[indexPath.row].answerId
        let dataArray = self.getChoiceArray(quesId: selectedAnswer[indexPath.row].quesId)
        cell.getChoiceArray(choiceArray: dataArray)
        //cell.answerCollectionView.reloadData()
        return cell
    }
    
}