//
//  HomeViewController.swift
//  Vendoo
//
//  Created by Okechi Onyeje on 5/26/16.
//  Copyright © 2016 Okechi Onyeje. All rights reserved.
//

import UIKit

class HomeViewController: UITabBarController {
    //acts as RESTful api call manager for etsy
    //call this from tabbar controller to use etsy REST calls
    let etsyManager: EtsyRESTAPIManager = EtsyRESTAPIManager()
    let fbGraphManager = FacebookGraphAPIManager()
    let firebaseManager = FirebaseManager()
    var userListings: [Listing] = []
    
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // Do any additional setup after loading the view.
        dispatch_async(dispatch_get_main_queue(), {
            self.firebaseManager.ref.child("Users/\(self.firebaseManager.user_email)/user_Listings").observeSingleEventOfType( .Value, withBlock: {
                (snapshot) -> Void in
                
                let listingDict = snapshot.value as? [String : AnyObject]
                if listingDict != nil {
                    dispatch_async(dispatch_get_main_queue(), {
                        
                        for (keys, values) in listingDict! {
                            
                            self.firebaseManager.ref.observeSingleEventOfType(.Value, withBlock: { snapshot in
                                
                                let databaseDict = snapshot.value as! [String : AnyObject]
                                
                                let storageRef = self.firebaseManager.storage.referenceForURL((databaseDict["image_storage"] as? String)!)
                                let listingImage = storageRef.child("images/\(keys).jpg")
                                
                                listingImage.dataWithMaxSize(10 * 1024 * 1024, completion: {
                                    (data, error) -> Void in
                                    
                                    if(error != nil){
                                        print("problem retrieving items")
                                    }else{
                                        
                                        let listingInfo = values as? [String : AnyObject]
                                        let imageData = UIImage(data: data!)
                                        self.userListings.append(
                                            Listing(itemTitle: (listingInfo!["listingTitle"] as? String)!,
                                                itemCategory: listingInfo!["listingCategory"] as? String,
                                                itemPrice: listingInfo!["listingPrice"] as? String,
                                                itemDescription: listingInfo!["listingDescription"] as? String,
                                                itemImage: imageData!,
                                                isDraftListing: (listingInfo!["isListingDraft"] as? Bool)!,
                                                itemKey: keys,
                                                networksSellingOn: (listingInfo!["networks"] as? Dictionary<String, Bool>)!
                                            ))
                                        
                                        NSNotificationCenter.defaultCenter().postNotificationName("finished_fetching_listings", object: nil)
                                        
                                        
                                    }
                                })
                                
                                
                            })
                            
                            
                        }
                        
                        
                        
                    })
                }
                
                
            })
        })
    }

    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.
    }
    */

}