using System;
using UnityEngine;
using UnityEngine.UI;

using RR.Common.Managers;
using RR.Common.Prizes;
using RR.Game2D.Behaviour;
using RR.Game2D.Core.Managers;

namespace RR.Common.UI
{
    /// <summary>
    /// Контроллер панели завершения игры.
    /// Управляет отображением баннеров выигрыша и проигрыша.
    /// </summary>
    public class GameEndUIController : MonoBehaviour
    {
        [Header("Баннеры")]
        [SerializeField] private WinBannerController winBanner;
        [SerializeField] private LoseBannerController loseBanner;
        
        [Header("Фон")]
        [SerializeField] private Image backgroundOverlay;
        [SerializeField] private Color overlayColor = new Color(0, 0, 0, 100f/255f);
        
        /// <summary>
        /// Событие, вызываемое при показе баннера выигрыша.
        /// </summary>
        public event Action<float> WinBannerShown;
        
        /// <summary>
        /// Событие, вызываемое при показе баннера проигрыша.
        /// </summary>
        public event Action<float> LoseBannerShown;
        
        /// <summary>
        /// Событие, вызываемое при закрытии любого баннера.
        /// </summary>
        public event Action BannerDismissed;

        private void OnEnable()
        {
            if (GameManager.Instance == null) return;
            
            GameManager.Instance.GameWonEvent += OnGameWon;
            GameManager.Instance.GameOverEvent += OnGameOver;
            
            // Подписываемся на события закрытия баннеров
            if (winBanner)
            {
                winBanner.WinBannerDismissed += OnBannerDismissed;
            }
            if (loseBanner)
            {
                loseBanner.ContinueClicked += OnBannerDismissed;
            }
        }
        
        private void OnDisable()
        {
            if (GameManager.Instance == null) return;
            
            GameManager.Instance.GameWonEvent -= OnGameWon;
            GameManager.Instance.GameOverEvent -= OnGameOver;
            
            // Отписываемся от событий закрытия баннеров
            if (winBanner)
            {
                winBanner.WinBannerDismissed -= OnBannerDismissed;
            }
            if (loseBanner)
            {
                loseBanner.ContinueClicked -= OnBannerDismissed;
            }
        }
                
        private void Awake()
        {
            // Изначально скрываем фон
            if (backgroundOverlay)
            {
                backgroundOverlay.color = new Color(0, 0, 0, 0);
            }
        }

        private void OnGameWon(float gameTime)
        {
            if (GameManager.Instance)
            {
                GameManager.Instance.SetPause(true);
            }
            
            ShowOverlay();
            
            if (winBanner)
            {
                LevelPrizeConfig prizeConfig = PrizeSystemManager.Instance != null
                    ? PrizeSystemManager.Instance.GetPrizeConfigForCurrentLevel()
                    : new LevelPrizeConfig();

                bool showFinalScore = GameManager.Instance != null && GameManager.Instance.IsCurrentLevelFinal();
                int finalScore = ScoreSystem.Instance != null ? ScoreSystem.Instance.FinalScore : 0;

                winBanner.ShowWin(gameTime, prizeConfig, finalScore, showFinalScore);
            }
            
            WinBannerShown?.Invoke(gameTime);
        }
        
        private void OnGameOver(float gameTime)
        {
            if (GameManager.Instance)
            {
                GameManager.Instance.SetPause(true);
            }
            
            ShowOverlay();
            
            if (loseBanner)
            {
                loseBanner.ShowLose(gameTime);
            }
            
            LoseBannerShown?.Invoke(gameTime);
        }
        
        private void ShowOverlay()
        {
            if (backgroundOverlay)
            {
                backgroundOverlay.color = overlayColor;
            }
        }
        
        private void HideOverlay()
        {
            if (backgroundOverlay)
            {
                backgroundOverlay.color = new Color(0, 0, 0, 0);
            }
        }
        
        private void OnBannerDismissed()
        {
            HideOverlay();
            BannerDismissed?.Invoke();
        }
    }
}