//
//  TourLocationManager.swift
//  PaiAi
//
//  Created by zhengjianfei on 2016/12/23.
//  Copyright © 2016年 FFIB. All rights reserved.
//

import UIKit
import CoreLocation
let minInterval = 60.0
let maxInterval = 60.0
let minGather_at = 60.0
let maxGather_at = 900.0

class TourLocationManager: CLLocationManager, CLLocationManagerDelegate {
    let bgTask = BGTask.shareTask()
    var interval  = 0.0
    var gathered_at = 0.0
    var isCollect = false
    var currentCoordinate = CLLocationCoordinate2D()
    static let instance = TourLocationManager()
    override init() {
        super.init()
        self.delegate = self
        self.desiredAccuracy = kCLLocationAccuracyBest
        self.distanceFilter = kCLDistanceFilterNone
        self.requestWhenInUseAuthorization()
        self.pausesLocationUpdatesAutomatically = false
    }

    class var sharedManager: TourLocationManager {
        return instance
    }

    func startLocation() {
        if CLLocationManager.locationServicesEnabled() {
            let status = CLLocationManager.authorizationStatus()
            if status == .denied || status == .notDetermined {
                printLog("authorizationStatus failed")
            } else {
                printLog("authorizationStatus authorized")
                startUpdatingLocation()
                perform(#selector(stopLocation), with: nil, afterDelay: gathered_at)
            }
        } else {
            printLog("location servicses false")
        }
    }

    @objc func stopLocation() {
        printLog("stopping locating")
        stopUpdatingLocation()
        NotificationCenter.default.post(name: NSNotification.Name("startPoll"), object: nil)
    }
    func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
        printLog("update location")
        let userLocation = locations[0]
        let marsCoordinate = userLocation.transformationWorldCoordinateToMars()
        let geo = CLGeocoder()
        currentCoordinate = marsCoordinate
        geo.reverseGeocodeLocation(userLocation) { (placemarks, _) in
            NotificationCenter.default.post(name: Notification.Name("location"), object: nil, userInfo: ["position": placemarks?.first?.name ?? ""])
        }
        submitUserLocationData(lat: marsCoordinate.latitude, long: marsCoordinate.longitude)
    }
    
    func locationManager(_ manager: CLLocationManager, didFailWithError error: Error) {
        printLog(error)
    }
    
    var latitude: Double = 39.9266863406
    var longtitude: Double = 116.285584532

    func submitUserLocationData(lat: Double, long: Double) {
        let params = ["user_id": SharedUserInfo.userId, "lon": long, "lat": lat]  as [String : AnyObject]
        let request = StatusNetworkRequest(param: params, path: .submitLocation)
        NetworkApi.share.post(request: request) { _ in }
    }
}