using SepCore.Definition;
using SepCore.Event;
using UnityEngine.EventSystems;
using UnityGameFramework.Runtime;

namespace SepCore.UI
{
    public partial class MenuForm
    {
        private bool _listenersBound;

        public void RefreshUI(MenuContext context)
        {
            EnsureButtonListeners();

            if (EventSystem.current.currentSelectedGameObject != View.startButton.gameObject)
            {
                EventSystem.current.SetSelectedGameObject(View.startButton.gameObject);
            }
        }

        #region Lifecycle

        protected override void OnOpen(object userData)
        {
            base.OnOpen(userData);

            if (userData is not MenuContext context)
            {
                Log.Error("MenuForm requires MenuContext as userData.");
                return;
            }

            RefreshUI(context);
        }

        #endregion

        private void EnsureButtonListeners()
        {
            if (_listenersBound)
            {
                return;
            }

            _listenersBound = true;

            View.startButton.onClick.AddListener(OnStartButtonClick);
            View.fileButton.onClick.AddListener(OnFileButtonClick);
            View.guideButton.onClick.AddListener(OnGuideButtonClick);
            View.settingButton.onClick.AddListener(OnSettingButtonClick);
            View.quitButton.onClick.AddListener(OnQuitButtonClick);
            View.aboutButton.onClick.AddListener(OnAboutButtonClick);
        }

        private void OnStartButtonClick()
        {
            FireButtonClick(MenuButtonId.StartGame);
        }

        private void OnFileButtonClick()
        {
            FireButtonClick(MenuButtonId.File);
        }

        private void OnGuideButtonClick()
        {
            FireButtonClick(MenuButtonId.Guide);
        }

        private void OnSettingButtonClick()
        {
            FireButtonClick(MenuButtonId.Setting);
        }

        private void OnQuitButtonClick()
        {
            FireButtonClick(MenuButtonId.Quit);
        }

        private void OnAboutButtonClick()
        {
            FireButtonClick(MenuButtonId.About);
        }

        private void FireButtonClick(MenuButtonId button)
        {
            GameEntry.Event.Fire(this, MenuButtonClickEventArgs.Create(button));
        }
    }
}