//
//  NotificationViewController.swift
//  GMERemittance
//
//  Created by FMI-12 on 2/18/18.
//  Copyright © 2018 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit

class NotificationViewController: UIViewController,LoadMoreViewCellDelegate {
    
    var socialfeedviewmodel: SocialFeedViewModel?
    var feedId: String?
    
    var notificationArray = [NotificationModel]()
    
    var loadMoreButtonOutlet: UIButton?
    
    var page: Int = 0
    var size: Int = 20
    
    @IBOutlet weak var tableViewNotification: UITableView!
    
    var notificationviewmodel = NotificationViewModel()
    
    private var activityIndicator: UIActivityIndicatorView = UIActivityIndicatorView()
    
    public static var notificationConnectionTimeOutCheck = 0
    
    override func viewDidAppear(_ animated: Bool) {
        setUpNavBar(id: 205, title: "Notifications")
        setUpAnotherLoginListener(genericviewmodel: notificationviewmodel)
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        setUpNavBar(id: 205, title: "Notifications")
        
        setUpListener()
        
        
        notificationviewmodel.notificationConnectionTimeOut.value = nil
        /**
         connection timeout
         */
        notificationviewmodel.notificationConnectionTimeOut.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            self.enableUserInteractions()
            self.dismissActivityIndicator(activityIndicator: self.activityIndicator)
            if NotificationViewController.notificationConnectionTimeOutCheck == 0{
                NotificationViewController.notificationConnectionTimeOutCheck = NotificationViewController.notificationConnectionTimeOutCheck+1
                self.popUpMessage(value: 29)
            }
        }
        
        /**
         Internet check
         */
        guard Reachability.isConnectedToNetwork() else {
            self.popUpMessage(value: 15)
            return
        }
        
        self.tableViewNotification.estimatedRowHeight = 119
        self.tableViewNotification.rowHeight = UITableViewAutomaticDimension
        
        disableUserInteractions()
        showActivityIndicator(activityIndicator: activityIndicator)
        
        notificationviewmodel.fetchNotification(page: self.page, size: self.size)
        
        tableViewNotification.tableFooterView = UIView()
    }
    /**
     Update notification view
     */
    func setUpListener() {
        notificationviewmodel.notificationFetch.bind{ [unowned self] in
            guard $0 != nil else {
                return
            }
            self.dismissActivityIndicator(activityIndicator: self.activityIndicator)
            self.enableUserInteractions()
            guard $0! else {
                self.messageLabel()
                return
            }
            //Update the view
            self.dismissActivityIndicator(activityIndicator: self.activityIndicator)
            self.enableUserInteractions()
            self.loadTableView()
            
            if self.notificationArray.count == 0 {
                self.messageLabel()
                self.tableViewNotification.isHidden = true
            } else {
                self.tableViewNotification.isHidden = false
                
            }
        }
    }
    
    
    
    
    func loadTableView(){
        self.notificationArray.append(contentsOf:self.notificationviewmodel.getNotificationArray())
        if self.notificationviewmodel.getNotificationArray().count == self.size{
            loadMoreButtonVisibility(hiddenStatus: false)
        }else if (self.notificationviewmodel.getNotificationArray().count < self.size || self.notificationviewmodel.getNotificationArray().count == 0){
            loadMoreButtonVisibility(hiddenStatus: true)
        }
        
        self.tableViewNotification.reloadData()
    }
    
    @objc func loadMoreButtonAction(sender: NotificationTableViewCell) {
        
        if Reachability.isConnectedToNetwork() {
            self.disableUserInteractions()
            self.showActivityIndicator(activityIndicator: self.activityIndicator)
            
            page = page + 1
            
            notificationviewmodel.fetchNotification(page: self.page, size: self.size)
        } else {
            self.popUpMessage(value: 15)
        }
    }
    /**
     Dispaly message on screen if notification is empty
     */
    func messageLabel(){
        let label = UILabel(frame: CGRect(x: 0, y: 0, width: 250, height: 21))
        label.center = CGPoint(x:self.view.center.x, y:284)//self.view.center//
        label.textAlignment = NSTextAlignment.center
        label.text = "You don't have any notification."
        label.textColor = UIColor(hex:0x4A4A4A)
        self.view.addSubview(label)
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    func loadMoreButtonVisibility(hiddenStatus: Bool){
        if hiddenStatus == true{
            self.loadMoreButtonOutlet?.isHidden = true
        }else{
            self.loadMoreButtonOutlet?.isHidden = false
        }
    }
}

extension NotificationViewController: UITableViewDelegate, UITableViewDataSource {
    
    func numberOfSections(in tableView: UITableView) -> Int {
        return 2
    }
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        switch section {
        case 0:
            return self.notificationArray.count
        default:
            return 1
        }
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        
        switch indexPath.section {
        case 0:
            let cell = tableView.dequeueReusableCell(withIdentifier: "notificationCell", for: indexPath) as! NotificationTableViewCell
            cell.layer.borderColor = UIColor(red:0.91, green:0.93, blue:0.95, alpha:1.0).cgColor
            cell.layer.borderWidth = 2
            cell.layer.cornerRadius = 10
            
            cell.imageViewUserImage.layer.cornerRadius = cell.imageViewUserImage.frame.height / 2
            
            cell.labelDate.text = unixTimeStampToDate(unixTimeStamp: self.notificationArray[indexPath.row].createdDate)
            cell.labelMessage.text = self.notificationArray[indexPath.row].notificationMessage
            cell.labelInitialLetter.isHidden = false
            cell.labelInitialLetter.text = notificationArray[indexPath.row].notifierName?.prefix(1).uppercased()
            if let notifireUrl = self.notificationArray[indexPath.row].notifierUrl{
                
                if let imageUrl = URL(string: notifireUrl) {
                    cell.imageViewUserImage.isHidden = false
                    cell.imageViewUserImage.sd_setImage(with: imageUrl,  placeholderImage: nil, options: [.progressiveDownload,.scaleDownLargeImages], completed: nil)
                    
                }
                cell.labelInitialLetter.isHidden = true
            }
            
            return cell
        default:
            let cell = tableView.dequeueReusableCell(withIdentifier: "loadMoreButtonCell", for: indexPath) as! NotificationTableViewCell
            
            self.loadMoreButtonOutlet = cell.loadMoreOutlet
            
            cell.loadMoreOutlet.addTarget(self, action: #selector(loadMoreButtonAction(sender:)), for: .touchUpInside)
            
            return cell
        }
    }
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        
        notificationviewmodel.patchNotification(notificaitonId: notificationArray[indexPath.row].notificationId, viewed: "true")
        
        switch notificationArray[indexPath.row].notificationCode {
//        case "0":
//            print("redirect page 0")
            
//        case "1":
//            print("redirect page 1")
            
//        case "3":
//            print("redirect page 3")
            
        case "200":
            TranscationStatementViewController.notificationCode = "200"
            let storyboard = UIStoryboard.init(name: "TransactionStatement", bundle: Bundle.main)
            let vController = storyboard.instantiateViewController(withIdentifier: "TranscationStatementViewController") as! TranscationStatementViewController
            vController.fromNotification = 0
            self.navigationController!.pushViewController(vController, animated: true)
            
        case "201":
            let storyboard = UIStoryboard.init(name: "WalletTransfer", bundle: Bundle.main)
            let vController = storyboard.instantiateViewController(withIdentifier: "MoneyRequestViewController") as! MoneyRequestViewController
            self.navigationController!.pushViewController(vController, animated: true)
            
        case "202":
            let storyboard = UIStoryboard.init(name: "WalletTransfer", bundle: Bundle.main)
            let vController = storyboard.instantiateViewController(withIdentifier: "WalletTransactionListViewController") as! WalletTransactionListViewController
            vController.walletStatus = "walletBorrow"
            self.navigationController!.pushViewController(vController, animated: true)
            
        case "203":
            TranscationStatementViewController.notificationCode = "203"
            let storyboard = UIStoryboard.init(name: "TransactionStatement", bundle: Bundle.main)
            let vController = storyboard.instantiateViewController(withIdentifier: "TranscationStatementViewController") as! TranscationStatementViewController
            vController.fromNotification = 0
            self.navigationController!.pushViewController(vController, animated: true)
            
        case "204":
            TranscationStatementViewController.notificationCode = "204"
            let storyboard = UIStoryboard.init(name: "TransactionStatement", bundle: Bundle.main)
            let vController = storyboard.instantiateViewController(withIdentifier: "TranscationStatementViewController") as! TranscationStatementViewController
            vController.fromNotification = 0
            self.navigationController!.pushViewController(vController, animated: true)
            
        case "205":
            let storyboard = UIStoryboard.init(name: "WalletTransfer", bundle: Bundle.main)
            let vController = storyboard.instantiateViewController(withIdentifier: "WalletTransactionListViewController") as! WalletTransactionListViewController
            vController.walletStatus = "walletTransfer"
            self.navigationController!.pushViewController(vController, animated: true)
            
        case "206":
            TranscationStatementViewController.notificationCode = "206"
            let storyboard = UIStoryboard.init(name: "TransactionStatement", bundle: Bundle.main)
            let vController = storyboard.instantiateViewController(withIdentifier: "TranscationStatementViewController") as! TranscationStatementViewController
            vController.fromNotification = 0
            self.navigationController!.pushViewController(vController, animated: true)
            
        case "207":
            TranscationStatementViewController.notificationCode = "207"
            
            let storyboard = UIStoryboard.init(name: "TransactionStatement", bundle: Bundle.main)
            let vController = storyboard.instantiateViewController(withIdentifier: "TranscationStatementViewController") as! TranscationStatementViewController
            vController.fromNotification = 0
            self.navigationController!.pushViewController(vController, animated: true)
            
        case "208":
            TranscationStatementViewController.notificationCode = "208"
            let storyboard = UIStoryboard.init(name: "TransactionStatement", bundle: Bundle.main)
            let vController = storyboard.instantiateViewController(withIdentifier: "TranscationStatementViewController") as! TranscationStatementViewController
            vController.fromNotification = 0
            self.navigationController!.pushViewController(vController, animated: true)
            
        case "500":
            InviteViewController.notificationCode = "500"
            let storyboard = UIStoryboard.init(name: "Invite", bundle: Bundle.main)
            let vController = storyboard.instantiateViewController(withIdentifier: "InviteViewController") as! InviteViewController
            vController.fromNotification = 0
            self.navigationController!.pushViewController(vController, animated: true)
            
        case "700":
            let storyboard = UIStoryboard.init(name: "Reward", bundle: Bundle.main)
            let vController = storyboard.instantiateViewController(withIdentifier: "RewardViewController") as! RewardViewController
            vController.fromNotification = 0
            self.navigationController!.pushViewController(vController, animated: true)
            
        case "750":
            feedId = notificationArray[indexPath.row].relatedId!
            performSegue(withIdentifier: "notificationFeed", sender: nil)
            
        default:
            return
        }
    }
    
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        
        if segue.identifier ==  "notificationFeed" {
            let commentsViewController = segue.destination as! CommentsViewController
            commentsViewController.feedIdFromNotification = feedId!
            commentsViewController.fromNotification = 0
            commentsViewController.socialfeedviewmodel = self.socialfeedviewmodel
        }
    }
    
}