//
//  NewAssessmentViewController.swift
//  LMS
//
//  Created by Suraj Kumar Mandal on 19/10/23.
//

import UIKit
import SideMenu

class NewAssessmentViewController: UIViewController {

    @IBOutlet var navigationBar: UINavigationBar!
    @IBOutlet var assessmentListCollectionView: UICollectionView!
    
    var viewModel = NewAssessmentViewModel()
    
    var newAssessmentListModel = [NewAssessmentModel]()
    let userData = DBManager.sharedInstance.database.objects(UserDetailsModel.self)
    
    var upcomingAssessment = [AssessmentListModel]()
    var pastAssessment = [AssessmentListModel]()
    
    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
        viewModel.delegate = self
        assessmentListCollectionView.delegate = self
        assessmentListCollectionView.dataSource = self
        setupUI()
    }
    
    func setupUI() {
        navigationBar.topItem?.title = "Assessment"
    }
    
    override func viewWillAppear(_ animated: Bool) {
        if Reachability.isConnectedToNetwork() {
            viewModel.getNewAssessmentList(userId: userData[0].id)
        } else {
            Alert.showInternetFailureAlert(on: self)
        }
    }

    /*
    // 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 sideMenuAction(_ sender: UIBarButtonItem) {
        let menu = storyboard!.instantiateViewController(withIdentifier: "SideMenuNavigationController") as! SideMenuNavigationController
        present(menu, animated: true, completion: nil)
    }

}

extension NewAssessmentViewController: UICollectionViewDelegate, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout {
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        return newAssessmentListModel.count
    }
    
    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "NewAssessmentCollectionViewCell", for: indexPath as IndexPath) as! NewAssessmentCollectionViewCell
        
        cell.customView.layer.borderWidth = 1
        cell.customView.layer.borderColor = #colorLiteral(red: 0.8039215803, green: 0.8039215803, blue: 0.8039215803, alpha: 1)
        cell.customView.layer.cornerRadius = 5
        cell.serialNoLabel.text = "\(indexPath.row + 1)"
        cell.testNameLabel.text = newAssessmentListModel[indexPath.row].name
        cell.scoreLabel.text = "Highest Score:" + "\(newAssessmentListModel[indexPath.row].achievedMarks ?? 0)" + "/" + "\(newAssessmentListModel[indexPath.row].totalMarks ?? 0)"
        cell.attemptsLabel.text = "No. Of Attempts: \(newAssessmentListModel[indexPath.row].numberofAtmt ?? 0)"
        cell.takeExamButton.layer.cornerRadius = 5
        cell.takeExamButton.tag = indexPath.row
        cell.takeExamButton.addTarget(self, action: #selector(startQuiz), for: .touchUpInside)
        
        return cell
    }
    
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
        return CGSize(width: (collectionView.frame.size.width-10)/2, height: 280)
    }
    
//    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
//        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "NewAssessmentCollectionViewCell", for: indexPath as IndexPath) as! NewAssessmentCollectionViewCell
//
//        cell.testNameLabel.text = newAssessmentListModel[indexPath.row].name
//
//        // Calculate the cell size based on the label's content and constraints
//        let labelSize = cell.testNameLabel.sizeThatFits(CGSize(width: cell.testNameLabel.frame.width, height: .greatestFiniteMagnitude))
//        let cellHeight = labelSize.height
//
//        return CGSize(width: (collectionView.frame.size.width-10)/2, height: cellHeight + 220)
//    }

    
    @objc func startQuiz(sender: UIButton) {
        let vc = self.storyboard?.instantiateViewController(withIdentifier: "InstructionViewController") as! InstructionViewController
        vc.assessmentId = newAssessmentListModel[sender.tag].id ?? 0
        vc.assessmentName = newAssessmentListModel[sender.tag].name ?? ""
        vc.quesCount = newAssessmentListModel[sender.tag].totalQuestions ?? 0
        vc.assessmentType = "Assessment"
        self.navigationController?.pushViewController(vc, animated: true)
    }
}

extension NewAssessmentViewController: NewAssessmentProtocol {
    func startLoader() {
        ActivityIndicator.start()
    }
    
    func stopLoader() {
        ActivityIndicator.stop()
    }
    
    func showError(error: String) {
        self.view.makeToast(error)
    }
    
    func assessmentListModel(model: [NewAssessmentModel]) {
        self.newAssessmentListModel = model
        self.assessmentListCollectionView.reloadData()
    }
}