// Copyright 2020 Google LLC. All rights reserved.
//
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License. You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software distributed under
// the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
// ANY KIND, either express or implied. See the License for the specific language governing
// permissions and limitations under the License.

import GoogleMaps
import UIKit

// Sample code for adding a marker.
class MarkersViewController: UIViewController {
  private lazy var sydneyMarker = GMSMarker(
    position: CLLocationCoordinate2D(latitude: -33.8683, longitude: 151.2086))

  private lazy var melbourneMarker = GMSMarker(
    position: CLLocationCoordinate2D(latitude: -37.81969, longitude: 144.966085))

  private lazy var mapView: GMSMapView = {
    let camera = GMSCameraPosition(latitude: -37.81969, longitude: 144.966085, zoom: 4)
    return GMSMapView(frame: .zero, camera: camera)
  }()

  override func loadView() {
    view = mapView

    sydneyMarker.title = "Sydney"
    sydneyMarker.snippet = "Population: 4,605,992"
    sydneyMarker.isFlat = false
    sydneyMarker.rotation = 30
    print("sydneyMarker: \(sydneyMarker)")

    let australiaMarker = GMSMarker(
      position: CLLocationCoordinate2D(latitude: -27.994401, longitude: 140.07019))
    australiaMarker.title = "Australia"
    australiaMarker.appearAnimation = .pop
    australiaMarker.isFlat = true
    australiaMarker.isDraggable = true
    australiaMarker.groundAnchor = CGPoint(x: 0.5, y: 0.5)
    australiaMarker.icon = UIImage(named: "australia")
    australiaMarker.map = mapView

    mapView.selectedMarker = sydneyMarker
    navigationItem.rightBarButtonItem = UIBarButtonItem(
      barButtonSystemItem: .add, target: self, action: #selector(tapAdd))
  }

  @objc func tapAdd() {
    if sydneyMarker.map == nil {
      sydneyMarker.map = mapView
    } else {
      sydneyMarker.map = nil
    }
    melbourneMarker.title = "Melbourne"
    melbourneMarker.snippet = "Population: 4,169,103"
    melbourneMarker.map = mapView
  }
}