using System.Collections;
using System.Collections.Generic;
using Platformer.Mechanics;
using UnityEditor;
using UnityEngine;
namespace Platformer
{
    [CustomEditor(typeof(PatrolPath))]
    public class PatrolPathGizmo : Editor
    {
        public void OnSceneGUI()
        {
            var path = target as PatrolPath;
            using (var cc = new EditorGUI.ChangeCheckScope())
            {
                var sp = path.transform.InverseTransformPoint(Handles.PositionHandle(path.transform.TransformPoint(path.startPosition), path.transform.rotation));
                var ep = path.transform.InverseTransformPoint(Handles.PositionHandle(path.transform.TransformPoint(path.endPosition), path.transform.rotation));
                if (cc.changed)
                {
                    sp.y = 0;
                    ep.y = 0;
                    path.startPosition = sp;
                    path.endPosition = ep;
                }
            }
            Handles.Label(path.transform.position, (path.startPosition - path.endPosition).magnitude.ToString());
        }

        [DrawGizmo(GizmoType.Selected | GizmoType.NonSelected)]
        static void OnDrawGizmo(PatrolPath path, GizmoType gizmoType)
        {
            var start = path.transform.TransformPoint(path.startPosition);
            var end = path.transform.TransformPoint(path.endPosition);
            Handles.color = Color.yellow;
            Handles.DrawDottedLine(start, end, 5);
            Handles.DrawSolidDisc(start, path.transform.forward, 0.1f);
            Handles.DrawSolidDisc(end, path.transform.forward, 0.1f);
        }
    }
}