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

[CustomEditor(typeof(Joystick), false)]
public class JoystickEditor : Editor
{
	private SerializedProperty handleRange;
	private SerializedProperty invalidRange;
	private SerializedProperty axisOptions;
	private SerializedProperty snapX;
	private SerializedProperty snapY;

	protected SerializedProperty background;
	protected SerializedProperty handle;
	protected SerializedProperty indicator;

	protected Vector2 center = new Vector2(0.5f, 0.5f);

	protected virtual void OnEnable()
	{
		handleRange = serializedObject.FindProperty("_handleRange");
		invalidRange = serializedObject.FindProperty("_invalidRange");
		axisOptions = serializedObject.FindProperty("_axisOptions");
		snapX = serializedObject.FindProperty("_snapX");
		snapY = serializedObject.FindProperty("_snapY");

		background = serializedObject.FindProperty("background");
		handle = serializedObject.FindProperty("handle");
		indicator = serializedObject.FindProperty("indicator");
	}

	public override void OnInspectorGUI()
	{
		serializedObject.Update();

		DrawValues();
		EditorGUILayout.Space();
		DrawComponents();

		serializedObject.ApplyModifiedProperties();

		if (handle != null)
		{
			RectTransform handleRect = (RectTransform)handle.objectReferenceValue;
			handleRect.anchorMax = center;
			handleRect.anchorMin = center;
			handleRect.pivot = center;
			handleRect.anchoredPosition = Vector2.zero;
		}
	}

	protected virtual void DrawValues()
	{
		EditorGUILayout.PropertyField(handleRange, new GUIContent("Handle Range", "The distance the visual handle can move from the center of the joystick."));
		EditorGUILayout.PropertyField(invalidRange, new GUIContent("Invalid Range", "The distance away from the center input has to be before registering."));
		EditorGUILayout.PropertyField(axisOptions, new GUIContent("Axis Options", "Which axes the joystick uses."));
		EditorGUILayout.PropertyField(snapX, new GUIContent("Snap X", "Snap the horizontal input to a whole value."));
		EditorGUILayout.PropertyField(snapY, new GUIContent("Snap Y", "Snap the vertical input to a whole value."));
	}

	protected virtual void DrawComponents()
	{
		EditorGUILayout.ObjectField(background, new GUIContent("Background", "The background's RectTransform component."));
		EditorGUILayout.ObjectField(handle, new GUIContent("Handle", "The handle's RectTransform component."));
		EditorGUILayout.ObjectField(indicator, new GUIContent("Indicator", "The indicator's RectTransform component."));
	}
}