/*         INFINITY CODE         */
/*   https://infinity-code.com   */

using UnityEngine;

namespace InfinityCode.OnlineMapsExamples
{
    /// <summary>
    /// Example of how to dynamically create a 2D marker in the GPS locations of user.
    /// </summary>
    [AddComponentMenu("Infinity Code/Online Maps/Examples (API Usage)/Marker_GPS_Example")]
    public class Marker_GPS_Example : MonoBehaviour
    {
        /// <summary>
        /// Reference to the map. If not specified, the current instance will be used.
        /// </summary>
        public OnlineMaps map;
        
        // Marker, which should display the location.
        private OnlineMapsMarker playerMarker;

        private void Start()
        {
            // If the map is not specified, get the current instance.
            if (map == null) map = OnlineMaps.instance;
            
            // Create a new marker.
            playerMarker = map.markerManager.Create(0, 0, null, "Player");

            // Get instance of LocationService.
            OnlineMapsLocationService locationService = OnlineMapsLocationService.instance;

            if (locationService == null)
            {
                Debug.LogError(
                    "Location Service not found.\nAdd Location Service Component (Component / Infinity Code / Online Maps / Plugins / Location Service).");
                return;
            }

            // Subscribe to the change location event.
            locationService.OnLocationChanged += OnLocationChanged;
        }

        // When the location has changed
        private void OnLocationChanged(Vector2 position)
        {
            // Change the position of the marker.
            playerMarker.position = position;

            // Redraw the map.
            map.Redraw();
        }
    }
}