using UnityEngine;
using UnityEngine.UI;
using UnityEngine.InputSystem;
using RR.Common.Managers;
using RR.Game2D.Core.Managers;

namespace RR.Common.UI
{
    /// <summary>
    /// Модальное окно настроек игры.
    /// Управляет отображением и сохранением настроек через SettingsManager.
    /// </summary>
    [RequireComponent(typeof(CanvasGroup))]
    public class SettingsUI : Modal
    {
        [Header("Дополнительное управление")]
        [SerializeField] private InputActionReference triggerKey;
        [SerializeField] private Button saveButton;
        
        [Header("Контент настроек")]
        [SerializeField] private Transform content;

        private SettingsUIList settingsUIList;
        private SettingsManager settingsManager;

        protected override void Awake()
        {
            base.Awake();
            
            settingsManager = SettingsManager.Instance;
            
            if (triggerKey != null) 
                triggerKey.action.started += OnTriggerKey;
            
            if (settingsManager == null)
            {
                GameManager.Logger.LogError(name, "SettingsManager is null!");
                return;
            }
            
            settingsManager.OnSettingsLoaded += UpdateSettings;
            settingsManager.OnSettingsSaved += SaveSettingsHandler;
            
            if (saveButton) 
                saveButton.onClick.AddListener(SaveAndClose);
        }

        private void OnDestroy()
        {
            if (settingsManager != null)
            {
                settingsManager.OnSettingsLoaded -= UpdateSettings;
                settingsManager.OnSettingsSaved -= SaveSettingsHandler;
            }
            
            if (triggerKey != null) 
                triggerKey.action.started -= OnTriggerKey;
            
            if (saveButton) 
                saveButton.onClick.RemoveListener(SaveAndClose);
        }

        private void OnTriggerKey(InputAction.CallbackContext ctx)
        {
            if (IsOpen)
            {
                SaveAndClose();
            }
            else
            {
                Open();
            }
        }

        /// <summary>
        /// Переопределяем Open для обновления настроек при открытии.
        /// </summary>
        public override void Open()
        {
            UpdateSettings();
            base.Open();
        }

        private void Save()
        {
            if (settingsUIList == null) 
                settingsUIList = content.GetComponent<SettingsUIList>();
            
            if (settingsUIList != null) 
                settingsUIList.SaveSettings();
        }

        public void SaveAndClose()
        {
            Save();
            Close();
        }
        
        private void UpdateSettings()
        {
            if (settingsUIList == null) 
                settingsUIList = content.GetComponent<SettingsUIList>();
            
            if (settingsUIList != null) 
                settingsUIList.UpdateSettings(settingsManager.GetCurrentGameSettings());
        }
        
        private void SaveSettingsHandler()
        {
            GameManager.Logger.Log(name, "Saved settings");
        }
    }
}