using System;
using UnityEngine;
using UnityEngine.UI;

namespace vamtaco
{
    public class UIButtonKeyboardShortcut : MVRScript
    {
        private const string PluginName = "UIButton KB Shortcut";

        private bool _logErrors = true;
        private bool _logMessages = false;
        private Button _button;

        JSONStorableStringChooser KeyboardStringChooser;

        public override void Init()
        {
            try
            {
                LogMessage("Initializing...");

                this.KeyboardStringChooser = new JSONStorableStringChooser(nameof(KeyboardStringChooser), Enum.GetNames(typeof(KeyCode)).ToList(), "Space", "Shortcut Key:");
                RegisterStringChooser(KeyboardStringChooser);

                CreateScrollablePopup(KeyboardStringChooser);

                var trigger = this.containingAtom.GetStorableByID("Trigger");
                UIButtonTrigger t = trigger.GetComponent<UIButtonTrigger>();
                _button = t.button;

                //You can also get it this way, not sure which would be more efficient.
                //_button = this.containingAtom.GetComponentInChildren<Button>();

                LogMessage("Initialized!");
            }
            catch (Exception e)
            {
                LogError("Exception caught: " + e);
            }
        }

        // Update is called with each rendered frame by Unity
        void Update()
        {
            try
            {
                var key = (KeyCode)System.Enum.Parse(typeof(KeyCode), KeyboardStringChooser.val);
                
                if (Input.GetKeyUp(key))
                {
                    if (_button != null)
                    {
                        _button.onClick.Invoke();
                    }
                }
            }
            catch (Exception e)
            {
                LogError("Exception caught: " + e);
            }
        }

        // OnDestroy is where you should put any cleanup
        // if you registered objects to supercontroller or atom, you should unregister them here
        void OnDestroy()
        {
            DeregisterStringChooser(KeyboardStringChooser);
            LogMessage("DESTROY!");
        }

        public void LogMessage(string message)
        {
            if(_logMessages)
            {
                SuperController.LogMessage($"{PluginName} plugin: {message}.");
            }
        }

        public void LogError(string message)
        {
            if (_logErrors)
            {
                SuperController.LogError($"{PluginName} plugin: {message}.");
            }
        }
    }
}