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

namespace HighlightPlus {
    [CustomEditor(typeof(HighlightTrigger))]
    public class HighlightTriggerEditor : Editor {

		SerializedProperty triggerMode, raycastCamera, raycastSource;
		HighlightTrigger trigger;

		void OnEnable() {
			triggerMode = serializedObject.FindProperty ("triggerMode");
			raycastCamera = serializedObject.FindProperty ("raycastCamera");
			raycastSource = serializedObject.FindProperty ("raycastSource");
			trigger = (HighlightTrigger)target;
			trigger.Init ();
		}

        public override void OnInspectorGUI() {

			serializedObject.Update ();

			if (trigger.triggerMode == TriggerMode.RaycastOnThisObjectAndChildren) {
				if (trigger.colliders == null || trigger.colliders.Length == 0) {
					EditorGUILayout.HelpBox ("No collider found on this object or any of its children. Add colliders to allow automatic highlighting.", MessageType.Warning);
				}
			} else {
				if (trigger.GetComponent<Collider> () == null) {
					EditorGUILayout.HelpBox ("No collider found on this object. Add a collider to allow automatic highlighting.", MessageType.Error);
				}
			}

			EditorGUILayout.PropertyField (triggerMode);
			if (trigger.triggerMode == TriggerMode.RaycastOnThisObjectAndChildren) {
				EditorGUILayout.PropertyField (raycastCamera);
				EditorGUILayout.PropertyField (raycastSource);
			}

			if (serializedObject.ApplyModifiedProperties ()) {
				trigger.Init ();
			}
        }

    }

}