//
//  TestLiveTableViewController.swift
//  TestLive
//
//  Created by Fred van Rijswijk on 31-05-16.
//  Copyright © 2016 HalloBezorger. All rights reserved.
//

import UIKit
import Parse
import ParseUI
import ParseLiveQuery

class TestLiveTableViewController: UITableViewController {


    //Store chat rooms of type PFObject
    var rooms = [PFObject]()
    //Store users of type PFUser
    var users = [PFUser]()

    //-------------

    var messageObjects = [PFObject]()


    private var subscription: Subscription<Message>?

    var myQuery: PFQuery {
        return (Message.query()?
            .whereKey("roomName", equalTo: "test")
            .orderByAscending("createdAt"))!
    }

    override func viewDidLoad() {
        super.viewDidLoad()


        let username = "Tes"
        let password = "testtest"

        PFUser.logInWithUsernameInBackground(username, password: password).continueWithBlock { task in
            return nil
        }

        self.printPriorMessages()
        self.subscribeToUpdates()

    }

    override func viewWillAppear(animated: Bool) {
        super.viewWillAppear(true)

        //If there is a user logged in, load data.
//        if PFUser.currentUser() != nil {
//            loadData()
//        }
    }

    func printPriorMessages() {
        myQuery.findObjectsInBackground().continueWithBlock() { task in
            (task.result as? [Message])?.forEach(self.printMessage)
            print("printPrioMessages")
            self.tableView.reloadData()
            return nil
        }
    }

    func subscribeToUpdates() {
        subscription = liveQueryClient
            .subscribe(myQuery)
            .handle(Event.Created) { _, message in
                self.printMessage(message)
                print("subscribe updates")
                //self.messageObjects.append(message)

        }
    }

    private func printMessage(message: Message) {
        let createdAt = message.createdAt ?? NSDate()
        //print("printMessage")
        self.messageObjects.append(message)
        print("\(createdAt) \(message.authorName ?? "unknown"): \(message.message ?? "")")
    }



    //  DESCRIPTION: TABLE VIEW DATA SOURCE


    override func numberOfSectionsInTableView(tableView: UITableView) -> Int {
        //Return the number of sections
        return 1
    }

    override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        // Return the number of rows in the section
        return messageObjects.count
    }

    override func tableView(tableView: UITableView, heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat {
        return 80
    }

    func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath, object: PFObject!) -> PFTableViewCell? {

        let cell: PFTableViewCell! = tableView.dequeueReusableCellWithIdentifier("cellChat", forIndexPath: indexPath) as? PFTableViewCell
        //let targetUser = users[indexPath.row]
        //cell.nameLabel.text =
        cell.textLabel?.text = "test adding"

        return cell
    }

    override func tableView(tableView: UITableView, didDeselectRowAtIndexPath indexPath: NSIndexPath) {

    }

}