using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class WaypointsGroup : MonoBehaviour
{
    public PositionConstraint XYZConstraint = PositionConstraint.XYZ;
    [HideInInspector]
    public List<Waypoint> waypoints;   // The waypoint components controlled by this WaypointsGroupl IMMEDIATE children only

    private void Awake()
    {
        if(waypoints != null)
        {
            foreach (Waypoint wp in waypoints)
                wp.SetWaypointGroup(this);
        }
    }

    // Start is called before the first frame update
    void Start()
    {

    }

    // Update is called once per frame
    void Update()
    {

    }

    /// <summary>
    /// Returns a list of  Waypoints; resets the parent transform if reparent == true
    /// </summary>
    /// <returns></returns>
    public List<Waypoint> GetWaypointChildren(bool reparent = true)
    {
        if (waypoints == null)
            waypoints = new List<Waypoint>();

        if(reparent == true)
        { 
            foreach (Waypoint wp in waypoints)
                wp.SetWaypointGroup(this);
            }


        return waypoints;
    }


    public void AddWaypoint(Waypoint wp, int ndx = -1)
    {
        if (waypoints == null) waypoints = new List<Waypoint>();
        if (ndx == -1)
            waypoints.Add(wp);
        else
            waypoints.Insert(ndx, wp);
        wp.SetWaypointGroup(this);
    }

}