//
//  LessonListViewController.swift
//  LMS
//
//  Created by Suraj Kumar Mandal on 24/08/22.
//

import UIKit
import SideMenu
import Toast_Swift

class LessonListViewController: UIViewController {
    
    @IBOutlet var navigationBar: UINavigationBar!
    @IBOutlet var contentNameLabel: UILabel!
    @IBOutlet var contentListTableView: UITableView!
    
    var viewModel = LessonListViewModel()
    var lessonListModel = [LessonListModel]()
    var lessonId = Int()
    var contentName = String()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // Do any additional setup after loading the view.
        viewModel.delegate = self
        contentListTableView.delegate = self
        contentListTableView.dataSource = self
        getLessonList()
        setupData()
    }
    
    func setupData() {
        contentNameLabel.text = "\(contentName) ->"
    }
    
    func getLessonList() {
        if Reachability.isConnectedToNetwork() {
            viewModel.getLessonsList(id: lessonId)
        } 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 backAction(_ sender: UIBarButtonItem) {
        self.navigationController?.popViewController(animated: true)
    }
    
}

extension LessonListViewController: UITableViewDelegate, UITableViewDataSource {
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return lessonListModel.count
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        guard let cell = tableView.dequeueReusableCell(withIdentifier: "ContentListTableViewCell", for: indexPath) as? ContentListTableViewCell else {
            return UITableViewCell()
        }
        
        cell.selectionStyle = .none
        cell.customView.dropShadow()
        cell.customView.layer.cornerRadius = 10
        switch lessonListModel[indexPath.row].type {
        case "scorm":
            cell.contentImageView.image = UIImage(named: "scorn-test")
        case "pdf":
            cell.contentImageView.image = UIImage(named: "pdf")
        case "jpeg":
            cell.contentImageView.image = UIImage(named: "jpg")
        case "mp4":
            cell.contentImageView.image = UIImage(named: "video")
        case "youtube":
            cell.contentImageView.image = UIImage(named: "video")
        case "mp3":
            cell.contentImageView.image = UIImage(named: "mp3")
        case "docx":
            cell.contentImageView.image = UIImage(named: "docx")
        default:
            cell.contentImageView.image = UIImage(named: "docx")
        }
        cell.contentLabel.text = lessonListModel[indexPath.row].name
        
        return cell
    }
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        switch lessonListModel[indexPath.row].type {
        case "mp4":
            let vc = self.storyboard?.instantiateViewController(withIdentifier: "VideoViewController") as! VideoViewController
            vc.videoId = lessonListModel[indexPath.row].fileId ?? ""
            vc.pageName = lessonListModel[indexPath.row].name ?? ""
            self.navigationController?.pushViewController(vc, animated: true)
        case "youtube":
            let vc = self.storyboard?.instantiateViewController(withIdentifier: "YouTubeViewController") as! YouTubeViewController
            vc.youtubeId = lessonListModel[indexPath.row].fileId ?? ""
            vc.pageName = lessonListModel[indexPath.row].name ?? ""
            self.navigationController?.pushViewController(vc, animated: true)
        case "mp3":
            let vc = self.storyboard?.instantiateViewController(withIdentifier: "AudioViewController") as! AudioViewController
            vc.fileId = lessonListModel[indexPath.row].fileId ?? ""
            vc.pageName = lessonListModel[indexPath.row].name ?? ""
            self.navigationController?.pushViewController(vc, animated: true)
        case "scorm":
            let vc = self.storyboard?.instantiateViewController(withIdentifier: "ScromViewController") as! ScromViewController
            vc.id = lessonListModel[indexPath.row].fileId ?? ""
            vc.docType = lessonListModel[indexPath.row].type ?? ""
            vc.name = lessonListModel[indexPath.row].name ?? ""
            self.navigationController?.pushViewController(vc, animated: true)
        default:
            let vc = self.storyboard?.instantiateViewController(withIdentifier: "PdfReaderViewController") as! PdfReaderViewController
            vc.id = lessonListModel[indexPath.row].fileId ?? ""
            vc.docType = lessonListModel[indexPath.row].type ?? ""
            vc.name = lessonListModel[indexPath.row].name ?? ""
            self.navigationController?.pushViewController(vc, animated: true)
        }
    }
}

extension LessonListViewController: LessonListProtocol {
    func startLoader() {
        ActivityIndicator.start()
    }
    
    func stopLoader() {
        ActivityIndicator.stop()
    }
    
    func showError(error: String) {
        self.view.makeToast(error)
    }
    
    func lessonListModel(model: [LessonListModel]) {
        self.lessonListModel = model
        self.contentListTableView.reloadData()
    }
}