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

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

        SerializedProperty triggerMode, raycastCamera, raycastSource, maxDistance;
        HighlightTrigger trigger;

        void OnEnable() {
            triggerMode = serializedObject.FindProperty("triggerMode");
            raycastCamera = serializedObject.FindProperty("raycastCamera");
            raycastSource = serializedObject.FindProperty("raycastSource");
            maxDistance = serializedObject.FindProperty("maxDistance");
            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);
                EditorGUILayout.PropertyField(maxDistance, new GUIContent("Max Distance", "Max distance for target. 0 = infinity"));;
            }

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

    }

}