//
//  MapViewController.swift
//  CheapEat
//
//  Created by Johnathon Moss on 16/01/2015.
//  Copyright (c) 2015 CheapEat. All rights reserved.
//

import UIKit
import MapKit
import CoreLocation

class MapViewController: UIViewController, MKMapViewDelegate, CLLocationManagerDelegate {

    @IBOutlet weak var mapView: MKMapView!

    var latArray = [String]()
    var lngArray = [String]()
    var resName = [String]()

    var deals:[Deal] = [Deal]()
    let model:DealModel = DealModel()

    var lat:String = ""
    var lng:String = ""

    var manager = CLLocationManager()

    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.


        //add logo to nav bar
        let navBarLogo: UIImageView = UIImageView(frame: CGRectMake(0, 0, 120, 36))
        navBarLogo.image = UIImage(named: "logo")
        self.navigationItem.titleView = navBarLogo

        // Core Location
        manager.delegate = self
        manager.desiredAccuracy = kCLLocationAccuracyBest
        manager.requestWhenInUseAuthorization()
        manager.startUpdatingLocation()

        // show user location on map
//        mapView.showsUserLocation = true

        // this combined with manager.stopUpdatingLocation fixed map snapping back issue
//        mapView.userLocation


        // -34.426298, 150.892260

        /*
        var latitude:CLLocationDegrees = -34.426298
        var longitude:CLLocationDegrees = 150.89226

        var latDelta:CLLocationDegrees = 0.03
        var lonDelta:CLLocationDegrees = 0.03

        var span:MKCoordinateSpan = MKCoordinateSpanMake(latDelta, lonDelta)
        var location:CLLocationCoordinate2D = CLLocationCoordinate2DMake(latitude, longitude)

        var region:MKCoordinateRegion = MKCoordinateRegionMake(location, span)

        mapView.setRegion(region, animated: true)
        */

        // add annotations to map

    }

    func locationManager(manager: CLLocationManager!, didUpdateLocations locations: [AnyObject]!) {


//        var userLocation:CLLocation = locations[0] as CLLocation

//        var latitude:CLLocationDegrees = userLocation.coordinate.latitude
//        var longitude:CLLocationDegrees = userLocation.coordinate.longitude

        var latString : NSString = "-34.4232722"
        var lngString : NSString = "150.8865837"

        var latitude = latString.doubleValue
        var longitude = lngString.doubleValue
//        var latString:String = "\(latitude)"
//        var lngString:String = "\(longitude)"

        var latDelta:CLLocationDegrees = 0.03
        var lonDelta:CLLocationDegrees = 0.03

        var span:MKCoordinateSpan = MKCoordinateSpanMake(latDelta, lonDelta)
        var location:CLLocationCoordinate2D = CLLocationCoordinate2DMake(latitude, longitude)

        var region:MKCoordinateRegion = MKCoordinateRegionMake(location, span)

        mapView.setRegion(region, animated: false)

        // stop updating the location
        manager.stopUpdatingLocation()

        self.lat = latString
        self.lng = lngString

        // Get the deals from the deal model
        self.deals = getDeals()

        // Add annotations to the map
        var index:Int
        for var index = 0; index < deals.count; ++index {

            var currentdeal = self.deals[index]
            var lat = NSString(string: currentdeal.latitude.stringByTrimmingCharactersInSet(NSCharacterSet.punctuationCharacterSet()))
            var latDouble:CLLocationDegrees = -lat.doubleValue
            var long = NSString(string: currentdeal.longitude.stringByTrimmingCharactersInSet(NSCharacterSet.punctuationCharacterSet()))
            var longDouble:CLLocationDegrees = long.doubleValue

            var location:CLLocationCoordinate2D = CLLocationCoordinate2DMake(latDouble, longDouble)

            var annotation = MKPointAnnotation()

            annotation.coordinate = location
            annotation.title = currentdeal.location
            annotation.subtitle = "Deal Available"
            self.mapView.addAnnotation(annotation)

        }
    }

    func mapView(mapView: MKMapView!, viewForAnnotation annotation: MKAnnotation!) -> MKAnnotationView! {

        if annotation is MKUserLocation {
            //return nil so map view draws "blue dot" for standard user location
            return nil
        }

        var pinView = mapView.dequeueReusableAnnotationViewWithIdentifier("pin")

        if pinView == nil {
            pinView = MKAnnotationView(annotation: annotation, reuseIdentifier: "pin")
            pinView!.canShowCallout = true
            pinView!.image = UIImage(named: "mappin")

            // Add image to left callout
//            var mugIconView = UIImageView(image: UIImage(named: "mappin"))
//            pinView!.leftCalloutAccessoryView = mugIconView

            // Add detail button to right callout
            var calloutButton = UIButton.buttonWithType(.DetailDisclosure) as UIButton
            pinView!.rightCalloutAccessoryView = calloutButton
            calloutButton.addTarget(self, action: Selector("DetailView"), forControlEvents: UIControlEvents.TouchUpInside)
        }
        else {
            pinView!.annotation = annotation
        }

        return pinView
    }

    func DetailView(){

        println("Button Pressed")
    }

    func locationManager(manager: CLLocationManager!, didFailWithError error: NSError!) {
        println(error)
    }

    func getDeals() -> [Deal] {

        // Array of deal objects
        var deals:[Deal] = [Deal]()
        self.latArray = [String]()
        // Get Json array of dictionaries
        let jsonObjects:[NSDictionary] = self.getRemoteJsonFile()

        // Loop through each dictionary and assign values to our deal objs
        var index:Int
        for index = 0; index < jsonObjects.count; index++ {

            // Current JSON dict
            let jsonDictionary:NSDictionary = jsonObjects[index]

            let restaurantDictionarys:[NSDictionary] = jsonDictionary["restaurants"] as [NSDictionary]


            // Create a deal obj
            var q:Deal = Deal()

            // Assign the values of each key value pair to the deal object
            q.title = jsonDictionary["name"] as String
            q.price = jsonDictionary["price_data"] as String
            q.imageID = jsonDictionary["id"] as String
            q.location = restaurantDictionarys[0]["name"] as String
            q.latitude = restaurantDictionarys[0]["lat"] as String
            self.latArray.append(q.latitude)
            q.longitude = restaurantDictionarys[0]["lng"] as String
            q.days = jsonDictionary["availability_day"] as String
            q.time = jsonDictionary["availability_time"] as String

            // Add the question to the question array
            deals.append(q)
        }
        println(self.latArray)
        // Return list of question objects
        return deals

    }

    func getRemoteJsonFile() -> [NSDictionary] {

        // Create a new URL
//        let remoteUrl:NSURL? = NSURL(string: "http://staging.api.cheapeat.com.au/search?lat=\(self.lat)&lng=\(self.lng)")
        let remoteUrl:NSURL? = NSURL(string: "http://staging.api.cheapeat.com.au/search?lat=-34.4232722&lng=150.8865837")
        let urlString:String = "\(remoteUrl)"
        println(urlString)

        // Check if it's nil
        if let actualRemoteUrl = remoteUrl {

            // Try to get the data
            let fileData:NSData? = NSData(contentsOfURL: actualRemoteUrl)

            // Check if it's nil
            if let actualFileData = fileData {

                // Parse out the dictionaries
                let arrayOfDictionaries:[NSDictionary]? = NSJSONSerialization.JSONObjectWithData(actualFileData, options: NSJSONReadingOptions.MutableContainers, error: nil) as [NSDictionary]?

                if let actualArrayOfDictionaries = arrayOfDictionaries {

                    // Successfully parsed out array of dictionaries
                    return actualArrayOfDictionaries
                }
            }

        }
        return [NSDictionary]()
    }

}