vendoo_v1.0/Vendoo/NotificationsViewController.swift

//
//  NotificationsViewController.swift
//  Vendoo
//
//  Created by Okechi Onyeje on 11/2/16.
//  Copyright © 2016 Okechi Onyeje. All rights reserved.
//

import UIKit

/// Responsible for displaying notifications from authorized networks
class NotificationsViewController: UIViewController {
    var notifications: [Dictionary<String, AnyObject>]! = (NSUserDefaults.standardUserDefaults().objectForKey("notifications") == nil ? [] : (NSUserDefaults.standardUserDefaults().objectForKey("notifications") as! [Dictionary<String, AnyObject>]))
    var fireBase = FirebaseManager()
    
    @IBOutlet weak var notificationTable: UITableView!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        self.notificationTable.dataSource = self
        self.notificationTable.delegate = self

        // Do any additional setup after loading the view.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    

    /*
    // MARK: - Navigation

    // In a storyboard-based application, you will often want to do a little preparation before navigation
    override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
        // Get the new view controller using segue.destinationViewController.
        // Pass the selected object to the new view controller.
    }
    */

}

extension NotificationsViewController: UITableViewDelegate {
    func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
        var notification = self.notifications[indexPath.row]
        
        switch ( notification["network"] as! String) {
        
        // displays new comments from faebook listings with option of dismissing them
        case "facebook":
            let alert = UIAlertController(title: "New Comment from \(notification["senderName"] as! String)", message: (notification["commentMessage"] as! String), preferredStyle: .Alert)
            alert.addAction(UIAlertAction(title: "Mark as Dismissed", style: .Default, handler: {
                (action) -> Void in
                
                    //when user marks as dismissed, mark it in firebase DB so it is no longer retrieved by app
                    notification["seen"] = true
                    self.notifications[indexPath.row] = notification
                    self.fireBase.ref.child("Users/\(self.fireBase.user_email)/notifications/\(notification["UUID"] as! String)").setValue(notification, withCompletionBlock: {
                        (error, reference) -> Void in
                        
                        if error == nil {
                            self.notifications = self.notifications.filter({$0["seen"] as! Bool == false})
                            NSUserDefaults.standardUserDefaults().setObject(self.notifications, forKey: "notifications")
                            self.notificationTable.reloadData()
                            alert.dismissViewControllerAnimated(true, completion: nil)
                        }
                    })
                
            }))
            alert.addAction(UIAlertAction(title: "OK", style: .Cancel, handler: {(action) -> Void in}))
            self.presentViewController(alert, animated: true, completion: nil)
            break
            
        case "ebay":
            let alert = UIAlertController(title: "New Notification", message: "Would you like to dismiss this notification?", preferredStyle: .Alert)
            alert.addAction(UIAlertAction(title: "Mark as Dismissed", style: .Default, handler: {
                (action) -> Void in
                
                //when user marks as dismissed, mark it in firebase DB so it is no longer retrieved by app
                notification["seen"] = true
                self.notifications[indexPath.row] = notification
                self.fireBase.ref.child("Users/\(self.fireBase.user_email)/notifications/\(notification["UUID"] as! String)").setValue(notification, withCompletionBlock: {
                    (error, reference) -> Void in
                    
                    if error == nil {
                        self.notifications = self.notifications.filter({$0["seen"] as! Bool == false})
                        NSUserDefaults.standardUserDefaults().setObject(self.notifications, forKey: "notifications")
                        self.notificationTable.reloadData()
                        alert.dismissViewControllerAnimated(true, completion: nil)
                    }
                })
                
            }))
            alert.addAction(UIAlertAction(title: "Cancel", style: .Cancel, handler: {(action) -> Void in}))
            self.presentViewController(alert, animated: true, completion: nil)
            break
        case "etsy":
            let alert = UIAlertController(title: "New Notification", message: "Would you like to dismiss this notification?", preferredStyle: .Alert)
            alert.addAction(UIAlertAction(title: "Mark as Dismissed", style: .Default, handler: {
                (action) -> Void in
                
                //when user marks as dismissed, mark it in firebase DB so it is no longer retrieved by app
                notification["seen"] = true
                self.notifications[indexPath.row] = notification
                self.fireBase.ref.child("Users/\(self.fireBase.user_email)/notifications/\(notification["UUID"] as! String)").setValue(notification, withCompletionBlock: {
                    (error, reference) -> Void in
                    
                    if error == nil {
                        self.notifications = self.notifications.filter({$0["seen"] as! Bool == false})
                        NSUserDefaults.standardUserDefaults().setObject(self.notifications, forKey: "notifications")
                        self.notificationTable.reloadData()
                        alert.dismissViewControllerAnimated(true, completion: nil)
                    }
                })
                
            }))
            alert.addAction(UIAlertAction(title: "Cancel", style: .Cancel, handler: {(action) -> Void in}))
            self.presentViewController(alert, animated: true, completion: nil)
            break
        case "amazon":
            break
            
        default:
            break
        }
    }
}

extension NotificationsViewController: UITableViewDataSource {
    
    //used to display notification title and the image of the market place it belongs too
    func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
        let cell: NotificationTableViewCell! = self.notificationTable.dequeueReusableCellWithIdentifier("notification_cell") as! NotificationTableViewCell
        let notification = self.notifications[indexPath.row]
        
        switch ( notification["network"] as! String) {
        case "facebook":
            cell.message.text = notification["notification"] as! String
            cell.network.image = UIImage(named: "facebook_icon")
            break
        case "ebay":
            cell.message.text = notification["message"] as! String
            cell.network.image = UIImage(named: "ebay_icon")
            break
        case "etsy":
            cell.message.text = notification["message"] as! String
            cell.network.image = UIImage(named: "etsy_icon")
            break
        case "amazon":
            break
            
        default:
            break
        }
        
        
        
        return cell
    }
    
    func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return self.notifications.count
    }
    
}

extension NotificationsViewController /*IBoutlets*/ {
    @IBAction func dismissNotifications(sender: AnyObject){
        let vc = self.storyboard?.instantiateViewControllerWithIdentifier("Reveal View Controller")
        
        self.presentViewController(vc!, animated: false, completion: nil)
    }
}