using AppleHills.Core.Interfaces;
using AppleHills.Core.Settings;
using Cinematics;
using Core;
using Core.Lifecycle;
using Input;
using Minigames.DivingForPictures.PictureCamera;
using System;
using System.Collections;
using System.Collections.Generic;
using Minigames.DivingForPictures.Bubbles;
using UI.Core;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.Playables;
using Svg;

namespace Minigames.DivingForPictures
{
    public class DivingGameManager : ManagedBehaviour, IPausable
    {
        [Header("Monster Prefabs")]
        [Tooltip("Array of monster prefabs to spawn randomly")]
        [SerializeField] private GameObject[] monsterPrefabs;

        [Header("Rope Damage System")]
        [Tooltip("Ropes that will break one by one as player takes damage")]
        [SerializeField] private RopeBreaker[] playerRopes;

        [Header("Surfacing Settings")]
        [Tooltip("Reference to the PlayableDirector that will play the surfacing timeline")]
        [SerializeField] private PlayableDirector surfacingTimeline;

        [Header("Flash Effect Reference")]
        [Tooltip("Reference to the Flash Effect when the picture is taken")]
        [SerializeField] private GameObject flashRef;


        public CameraViewfinderManager viewfinderManager;

        // Settings reference
        private IDivingMinigameSettings _settings;

        // Private state variables
        private int _playerScore = 0;
        private float _currentSpawnProbability;
        private float _lastSpawnTime = -100f;
        private float _timeSinceLastSpawn = 0f;
        private List<Monster> _activeMonsters = new List<Monster>();

        // Velocity management
        // Velocity state tracking
        private float _currentVelocityFactor = 1.0f; // 1.0 = normal descent speed, -1.0 * surfacingSpeedFactor = full surfacing speed
        private Coroutine _velocityTransitionCoroutine;
        private Coroutine _surfacingSequenceCoroutine;

        // Public properties
        public int PlayerScore => _playerScore;
        public float CurrentVelocityFactor => _currentVelocityFactor;

        // Events
        public event Action<int> OnScoreChanged;
        public event Action<Monster> OnMonsterSpawned;
        public event Action<Monster, int> OnPictureTaken;
        public event Action<float> OnSpawnProbabilityChanged;
        public event Action OnGameOver;
        public event Action<int> OnRopeBroken; // Passes remaining ropes count
        public event Action<float> OnVelocityFactorChanged;

        // Private state variables for rope system
        private int _currentRopeIndex = 0;
        private bool _isGameOver = false;
        private bool _isSurfacing = false;

        // Initialization state
        private bool _isGameInitialized = false;
        
        // Used to track if we're currently surfacing
        public bool IsSurfacing => _isSurfacing;

        // TODO: Get rid of this in favor of proper game pausing?
        public event Action OnGameInitialized;

        
        // List of pausable components controlled by this manager
        private List<IPausable> _pausableComponents = new List<IPausable>();
        
        // Photo sequence state
        private bool _isPhotoSequenceActive = false;
        private Monster _currentPhotoTarget = null;
        private float _capturedProximity = 0f;
        
        // List of components to exempt from pausing during photo sequence
        private List<IPausable> _exemptFromPhotoSequencePausing = new List<IPausable>();
        
        // Photo sequence events
        public event Action<Monster> OnPhotoSequenceStarted;
        public event Action<Monster, float> OnPhotoSequenceCompleted; // Now includes proximity score

        private static DivingGameManager _instance = null;

        public AudioSource deathAudioPlayer;
        public CameraViewfinderManager cameraViewfinderManager;

        public static DivingGameManager Instance => _instance;

        public override bool AutoRegisterPausable => true; // Automatic GameManager registration

        internal override void OnManagedAwake()
        {
            if (_instance == null)
            {
                _instance = this;
            }
            else if (_instance != this)
            {
                Destroy(gameObject);
            }
        }

        internal override void OnManagedStart()
        {
            _settings = GameManager.GetSettingsObject<IDivingMinigameSettings>();
            _currentSpawnProbability = _settings?.BaseSpawnProbability ?? 0.2f;
            
            // Ensure any previous run state is reset when this manager awakes
            _isGameOver = false;
            
            Logging.Debug("[DivingGameManager] Initialized");
        }

        internal override void OnSceneReady()
        {
            InitializeGame();
            
            // Subscribe to scene-specific events
            CinematicsManager.Instance.OnCinematicStopped += EndGame;
            PlayerCollisionBehavior.OnDamageTaken += OnPlayerDamageTaken;
            OnMonsterSpawned += DoMonsterSpawned;
            
            // Validate rope references
            ValidateRopeReferences();

            viewfinderManager = CameraViewfinderManager.Instance;
            
            // Subscribe to viewfinder events if found
            if (viewfinderManager != null)
            {
                viewfinderManager.OnAnimationCompleted += OnViewfinderAnimationCompleted;
                viewfinderManager.OnViewfinderTapped += OnViewfinderTapped;
                viewfinderManager.OnProximityUpdated += OnProximityUpdated;
                viewfinderManager.OnViewfinderTappedDuringAnimation += OnViewfinderTappedDuringAnimation;
                viewfinderManager.OnReverseAnimationStarted += OnReverseAnimationStarted;
                
                // TODO: Give this a second look and make sure this is correct
                // Add the viewfinder manager to exempt list to ensure it keeps working during photo sequences
                if (viewfinderManager is IPausable viewfinderPausable)
                {
                    RegisterExemptFromPhotoSequencePausing(viewfinderPausable);
                }
            }
        }

        internal override void OnManagedDestroy()
        {
            // Unsubscribe from events when the manager is destroyed
            PlayerCollisionBehavior.OnDamageTaken -= OnPlayerDamageTaken;
            OnMonsterSpawned -= DoMonsterSpawned;
            
            if (CinematicsManager.Instance != null)
            {
                CinematicsManager.Instance.OnCinematicStopped -= EndGame;
            }

            // Unregister all pausable components
            _pausableComponents.Clear();
            
            // Unsubscribe from viewfinder events
            if (viewfinderManager != null)
            {
                viewfinderManager.OnAnimationCompleted -= OnViewfinderAnimationCompleted;
                viewfinderManager.OnViewfinderTapped -= OnViewfinderTapped;
                viewfinderManager.OnProximityUpdated -= OnProximityUpdated;
                viewfinderManager.OnViewfinderTappedDuringAnimation -= OnViewfinderTappedDuringAnimation;
                viewfinderManager.OnReverseAnimationStarted -= OnReverseAnimationStarted;
            }
        }

        private void Update()
        {
            if(_settings == null) return;
            
            _timeSinceLastSpawn += Time.deltaTime;

            // Gradually increase spawn probability over time
            float previousProbability = _currentSpawnProbability;
            if (_currentSpawnProbability < _settings.MaxSpawnProbability)
            {
                _currentSpawnProbability += _settings.ProbabilityIncreaseRate * Time.deltaTime;
                _currentSpawnProbability = Mathf.Min(_currentSpawnProbability, _settings.MaxSpawnProbability);

                // Only fire event if probability changed significantly
                if (Mathf.Abs(_currentSpawnProbability - previousProbability) > 0.01f)
                {
                    OnSpawnProbabilityChanged?.Invoke(_currentSpawnProbability);
                }
            }
        }

        private void OnTileSpawned(GameObject tile)
        {
            // Check for spawn points in the new tile
            MonsterSpawnPoint[] spawnPoints = tile.GetComponentsInChildren<MonsterSpawnPoint>();

            if (spawnPoints.Length == 0) return;

            // If we're surfacing, don't spawn new monsters
            if (_isSurfacing) return;

            bool forceSpawn = _timeSinceLastSpawn >= _settings.GuaranteedSpawnTime;
            bool onCooldown = _timeSinceLastSpawn < _settings.SpawnCooldown;

            // Don't spawn if on cooldown, unless forced
            if (onCooldown && !forceSpawn) return;

            // Check probability or forced spawn
            if (forceSpawn || UnityEngine.Random.value <= _currentSpawnProbability)
            {
                // Pick a random spawn point from this tile
                MonsterSpawnPoint spawnPoint = spawnPoints[UnityEngine.Random.Range(0, spawnPoints.Length)];

                // Spawn the monster at the spawn point and parent it
                SpawnMonster(spawnPoint.transform);

                // Reset timer and adjust probability
                _lastSpawnTime = Time.time;
                _timeSinceLastSpawn = 0f;
                _currentSpawnProbability = _settings.BaseSpawnProbability;
                OnSpawnProbabilityChanged?.Invoke(_currentSpawnProbability);
            }
        }

        private void SpawnMonster(Transform spawnPoint)
        {
            Logging.Debug("Spawning monster: " + spawnPoint.name);
            
            if (monsterPrefabs.Length == 0)
            {
                Logging.Warning("No monster prefabs assigned to DivingGameManager.");
                return;
            }

            // Select random monster prefab
            GameObject prefab = monsterPrefabs[UnityEngine.Random.Range(0, monsterPrefabs.Length)];

            // Instantiate monster at spawn point position
            GameObject monsterObj = Instantiate(prefab, spawnPoint.position, Quaternion.identity);
            Monster monster = monsterObj.GetComponent<Monster>();

            if (monster != null)
            {
                // Parent the monster to the spawn point so it moves with the tile
                monsterObj.transform.SetParent(spawnPoint);

                // Flip the spawn point in X axis if facesLeft is true
                MonsterSpawnPoint msp = spawnPoint.GetComponent<MonsterSpawnPoint>();
                if (msp != null && msp.facesLeft)
                {
                    Vector3 scale = spawnPoint.localScale;
                    scale.x *= -1f;
                    spawnPoint.localScale = scale;
                }
                
                // Fire event
                OnMonsterSpawned?.Invoke(monster);
            }
            else
            {
                Debug.LogError($"Monster prefab {prefab.name} does not have a Monster component!");
                Destroy(monsterObj);
            }
        }

        private void DoPictureTaken(Monster monster)
        {
            // Calculate points based on depth
            int depthBonus = Mathf.FloorToInt(Mathf.Abs(monster.transform.position.y) * _settings.DepthMultiplier);
            int pointsAwarded = _settings.BasePoints + depthBonus;

            // Add score
            _playerScore += pointsAwarded;

            // Fire events
            OnScoreChanged?.Invoke(_playerScore);
            OnPictureTaken?.Invoke(monster, pointsAwarded);
        }
        
        /// <summary>
        /// Called when the player takes damage from any collision
        /// </summary>
        private void OnPlayerDamageTaken()
        {
            if (_isGameOver) return;
            
            // Break the next rope in sequence
            BreakNextRope();
            
            // Check if all ropes are broken
            if (_currentRopeIndex >= playerRopes.Length)
            {
                TriggerGameOver();
                deathAudioPlayer.Play();
            }
            else
            {
                // Notify listeners about rope break and remaining ropes
                int remainingRopes = playerRopes.Length - _currentRopeIndex;
                OnRopeBroken?.Invoke(remainingRopes);
                
                Logging.Debug($"[DivingGameManager] Rope broken! {remainingRopes} ropes remaining.");
            }
        }
        
        /// <summary>
        /// Breaks the next available rope in the sequence
        /// </summary>
        private void BreakNextRope()
        {
            if (_currentRopeIndex < playerRopes.Length)
            {
                RopeBreaker ropeToBreak = playerRopes[_currentRopeIndex];
                
                if (ropeToBreak != null)
                {
                    // Let the RopeBreaker component handle the breaking, effects, and sounds
                    ropeToBreak.BreakRope();
                }
                else
                {
                    Logging.Warning($"[DivingGameManager] Rope at index {_currentRopeIndex} is null!");
                }
                
                // Move to the next rope regardless if current was null
                _currentRopeIndex++;
            }
        }
        
        /// <summary>
        /// Manually break a rope (for testing or external events)
        /// </summary>
        public void ForceBreakRope()
        {
            if (!_isGameOver)
            {
                OnPlayerDamageTaken();
            }
        }
        
        /// <summary>
        /// Triggers game over state when all ropes are broken
        /// </summary>
        private void TriggerGameOver()
        {
            if (_isGameOver) return;
            
            _isGameOver = true;
            Logging.Debug("[DivingGameManager] Game Over! All ropes broken. Starting surfacing sequence...");
            
            // Fire game over event
            OnGameOver?.Invoke();
            
            // Start surfacing instead of directly ending the game
            StartSurfacing();
        }
        
        /// <summary>
        /// Validates rope references and logs warnings if any are missing
        /// </summary>
        private void ValidateRopeReferences()
        {
            if (playerRopes == null || playerRopes.Length == 0)
            {
                Logging.Warning("[DivingGameManager] No ropes assigned to break! Damage system won't work properly.");
                return;
            }
            
            for (int i = 0; i < playerRopes.Length; i++)
            {
                if (playerRopes[i] == null)
                {
                    Logging.Warning($"[DivingGameManager] Rope at index {i} is null!");
                }
            }
        }
        
        /// <summary>
        /// Resets the rope system for a new game
        /// </summary>
        public void ResetRopeSystem()
        {
            // Reset rope state
            _currentRopeIndex = 0;
            _isGameOver = false;
            
            // Restore all broken ropes
            if (playerRopes != null)
            {
                foreach (var rope in playerRopes)
                {
                    if (rope != null)
                    {
                        rope.RestoreRope();
                    }
                }
            }
            
            Logging.Debug("[DivingGameManager] Rope system reset.");
        }

        /// <summary>
        /// Starts the surfacing mode - reverses trench direction and adjusts all spawned entities
        /// </summary>
        public void StartSurfacing()
        {
            if (_isSurfacing) return; // Already surfacing
            
            _isSurfacing = true;

            // TODO: Call it here?
            UIPageController.Instance.HideAllUI();
            
            // 1. Initiate smooth velocity transition to surfacing speed
            float targetVelocityFactor = -1.0f * _settings.SurfacingSpeedFactor;
            SetVelocityFactor(targetVelocityFactor);
            
            // 2. Find and notify trench tile spawner about direction change (for spawning/despawning logic)
            TrenchTileSpawner tileSpawner = FindFirstObjectByType<TrenchTileSpawner>();
            if (tileSpawner != null)
            {
                // Subscribe to velocity changes if not already subscribed
                OnVelocityFactorChanged -= tileSpawner.OnVelocityFactorChanged;
                OnVelocityFactorChanged += tileSpawner.OnVelocityFactorChanged;
                
                // Subscribe to the last tile event
                tileSpawner.onLastTileLeft.RemoveListener(OnLastTileLeft);
                tileSpawner.onLastTileLeft.AddListener(OnLastTileLeft);
                
                // Tell spawner to reverse spawn/despawn logic
                tileSpawner.StartSurfacing();
                
                // Immediately send current velocity factor
                tileSpawner.OnVelocityFactorChanged(_currentVelocityFactor);
            }
            
            // Handle the Rock object - disable components and animate it falling offscreen
            GameObject rockObject = GameObject.FindGameObjectWithTag("Rock");
            if (rockObject != null)
            {
                // Disable all components except Transform on the rock object (not its children)
                foreach (Component component in rockObject.GetComponents<Component>())
                {
                    if (!(component is Transform))
                    {
                        if (component is Behaviour behaviour)
                        {
                            behaviour.enabled = false;
                        }
                    }
                }
                
                // Start coroutine to animate the rock falling offscreen
                StartCoroutine(MoveRockOffscreen(rockObject.transform));
                
                Logging.Debug("[DivingGameManager] Disabled rock components and animating it offscreen");
            }
            
            // Handle the Player object - disable components and reset X position
            GameObject playerObject = GameObject.FindGameObjectWithTag("Player");
            if (playerObject != null)
            {
                // Disable all components except Transform, Animator, and PlayerBlinkBehavior on the player object
                foreach (Component component in playerObject.GetComponents<Component>())
                {
                    if (!(component is Transform) && 
                        !(component is Animator) && 
                        !(component is PlayerBlinkBehavior))
                    {
                        if (component is Behaviour behaviour)
                        {
                            behaviour.enabled = false;
                        }
                    }
                }
                
                // Start coroutine to reset X position to 0 over 1 second
                StartCoroutine(ResetPlayerPosition(playerObject.transform));
                
                Logging.Debug("[DivingGameManager] Disabled player components (keeping Animator and PlayerBlinkBehavior) and resetting position");
            }
            
            // 3. Find bubble spawner and slow down existing bubbles (no velocity management needed)
            BubbleSpawner bubbleSpawner = FindFirstObjectByType<BubbleSpawner>();
            if (bubbleSpawner != null)
            {
                bubbleSpawner.StartSurfacing();
            }
            
            // 4. Find obstacle spawner and set up for velocity changes
            ObstacleSpawner obstacleSpawner = FindFirstObjectByType<ObstacleSpawner>();
            if (obstacleSpawner != null)
            {
                // Subscribe to velocity changes
                OnVelocityFactorChanged -= obstacleSpawner.OnVelocityFactorChanged;
                OnVelocityFactorChanged += obstacleSpawner.OnVelocityFactorChanged;
                
                // Tell spawner to reverse spawn/despawn logic
                obstacleSpawner.StartSurfacing();
                
                // Immediately send current velocity factor
                obstacleSpawner.OnVelocityFactorChanged(_currentVelocityFactor);
            }
            
            // Start the surfacing sequence coroutine
            if (_surfacingSequenceCoroutine != null)
            {
                StopCoroutine(_surfacingSequenceCoroutine);
            }
            _surfacingSequenceCoroutine = StartCoroutine(SurfacingSequence());
            
            Logging.Debug($"[DivingGameManager] Started surfacing with target velocity factor: {targetVelocityFactor}");
        }
        
        /// <summary>
        /// Coroutine to animate the rock falling below the screen
        /// </summary>
        private IEnumerator MoveRockOffscreen(Transform rockTransform)
        {
            Vector3 startPosition = rockTransform.position;
            
            // Calculate position below the screen
            UnityEngine.Camera mainCamera = UnityEngine.Camera.main;
            if (mainCamera == null)
            {
                Logging.Warning("[DivingGameManager] Cannot find main camera to calculate offscreen position");
                yield break;
            }
            
            // Get a position below the bottom of the screen
            Vector3 offscreenPosition = mainCamera.ViewportToWorldPoint(new Vector3(0.5f, -0.2f, mainCamera.nearClipPlane));
            Vector3 targetPosition = new Vector3(startPosition.x, offscreenPosition.y, startPosition.z);
            
            float duration = 2.0f;  // Animation duration in seconds
            float elapsed = 0f;
            
            while (elapsed < duration)
            {
                elapsed += Time.deltaTime;
                float t = Mathf.Clamp01(elapsed / duration);
                
                // Use an easing function that accelerates to simulate falling
                float easedT = t * t;  // Quadratic easing
                
                rockTransform.position = Vector3.Lerp(startPosition, targetPosition, easedT);
                yield return null;
            }
            
            // Ensure final position is exactly at target
            rockTransform.position = targetPosition;
        }
        
        /// <summary>
        /// Coroutine to reset the player's X position to 0 over time
        /// </summary>
        private IEnumerator ResetPlayerPosition(Transform playerTransform)
        {
            Vector3 startPosition = playerTransform.position;
            Vector3 targetPosition = new Vector3(0f, startPosition.y, startPosition.z);
            
            float duration = 1.0f;  // Reset duration in seconds (as requested)
            float elapsed = 0f;
            
            while (elapsed < duration)
            {
                elapsed += Time.deltaTime;
                float t = Mathf.Clamp01(elapsed / duration);
                
                // Use smooth step for more natural movement
                float smoothT = Mathf.SmoothStep(0f, 1f, t);
                
                playerTransform.position = Vector3.Lerp(startPosition, targetPosition, smoothT);
                yield return null;
            }
            
            // Ensure final position is exactly at target
            playerTransform.position = targetPosition;
        }
        
        /// <summary>
        /// Coroutine to handle the surfacing sequence timing
        /// </summary>
        private IEnumerator SurfacingSequence()
        {
            // Wait for the configured delay
            yield return new WaitForSeconds(_settings.SurfacingSpawnDelay);
            
            // Find tile spawner and tell it to stop spawning
            TrenchTileSpawner tileSpawner = FindFirstObjectByType<TrenchTileSpawner>();
            if (tileSpawner != null)
            {
                // Tell it to stop spawning new tiles
                tileSpawner.StopSpawning();
                Logging.Debug("[DivingGameManager] Stopped spawning new tiles after delay");
            }
        }
        
        /// <summary>
        /// Called when the last tile leaves the screen
        /// </summary>
        private void OnLastTileLeft()
        {
            // Play the timeline
            if (surfacingTimeline != null)
            {
                //Instead of surfacingTimeline, play the outro cinematic
                deathAudioPlayer.Stop();
                CinematicsManager.Instance.LoadAndPlayCinematic("SurfacingCinematic",true);
                CinematicsManager.Instance.ChangeCinematicBackgroundColour(new Color(0.5058824f, 0.7803922f, 0.8862746f, 1f));
                //PlayerHudManager.Instance.ResizeCinematicPlayer();
                //surfacingTimeline.Play();
                //Logging.Debug("[DivingGameManager] Last tile left the screen, playing timeline");

            }
            else
            {
                Logging.Warning("[DivingGameManager] No surfacing timeline assigned!");
            }
        }

        // Call this when the game ends
        public void EndGame()
        {
            CinematicsManager.Instance.OnCinematicStopped -= EndGame;
            // Start the end game sequence that grants a booster, waits for the UI animation, then shows Game Over.
            StartCoroutine(EndGameSequence());
        }

        private IEnumerator EndGameSequence()
        {
            // Clean up active monsters
            foreach (var monster in _activeMonsters.ToArray())
            {
                if (monster != null)
                {
                    monster.DespawnMonster();
                }
            }

            _activeMonsters.Clear();

            // 1) Call the booster pack giver if available
            bool completed = false;
            var giver = UI.CardSystem.MinigameBoosterGiver.Instance;
            if (giver != null)
            {
                UIPageController.Instance.ShowAllUI();
                Logging.Debug("[DivingGameManager] Starting booster giver sequence");
                giver.GiveBooster(() => 
                { 
                    completed = true;
                    Logging.Debug("[DivingGameManager] Booster giver completed callback received");
                });

                // 2) Wait for it to finish (NO timeout - wait indefinitely for user interaction)
                while (!completed)
                {
                    yield return null;
                }
                
                Logging.Debug("[DivingGameManager] Booster giver sequence finished, proceeding to game over");
            }
            else
            {
                // If no giver is present, proceed immediately
                Logging.Debug("[DivingGameManager] MinigameBoosterGiver not found; skipping booster animation.");
            }

            // 3) Only then show the game over screen
            CinematicsManager.Instance.ShowGameOverScreen();
            
            // Final score could be saved to player prefs or other persistence
            Logging.Debug($"Final Score: {_playerScore}");
        }

        /// <summary>
        /// Starts a smooth transition to the new velocity factor
        /// </summary>
        /// <param name="targetFactor">Target velocity factor (e.g., -1.0 for surfacing speed)</param>
        public void SetVelocityFactor(float targetFactor)
        {
            if (_velocityTransitionCoroutine != null)
            {
                StopCoroutine(_velocityTransitionCoroutine);
            }

            _velocityTransitionCoroutine = StartCoroutine(TransitionVelocityFactor(targetFactor));
        }

        /// <summary>
        /// Coroutine to smoothly transition the velocity factor over time
        /// </summary>
        private IEnumerator<WaitForEndOfFrame> TransitionVelocityFactor(float targetFactor)
        {
            float startFactor = _currentVelocityFactor;
            float elapsed = 0f;

            while (elapsed < _settings.SpeedTransitionDuration)
            {
                elapsed += Time.deltaTime;
                float t = Mathf.Clamp01(elapsed / _settings.SpeedTransitionDuration);

                // Smooth step interpolation
                float smoothStep = t * t * (3f - 2f * t);

                _currentVelocityFactor = Mathf.Lerp(startFactor, targetFactor, smoothStep);

                // Notify listeners about the velocity factor change
                OnVelocityFactorChanged?.Invoke(_currentVelocityFactor);

                yield return null;
            }

            _currentVelocityFactor = targetFactor;

            // Final assignment to ensure exact target value
            OnVelocityFactorChanged?.Invoke(_currentVelocityFactor);
        }

        /// <summary>
        /// Register a component as pausable with this manager
        /// </summary>
        /// <param name="component">The pausable component to register</param>
        public void RegisterPausableComponent(IPausable component)
        {
            if (component != null && !_pausableComponents.Contains(component))
            {
                _pausableComponents.Add(component);
                
                // If the game is already paused, pause the component immediately
                if (GameManager.Instance.IsPaused)
                {
                    component.Pause();
                }
                
                Logging.Debug($"[DivingGameManager] Registered pausable component: {(component as MonoBehaviour)?.name ?? "Unknown"}");
            }
        }
        
        /// <summary>
        /// Unregister a pausable component
        /// </summary>
        /// <param name="component">The pausable component to unregister</param>
        public void UnregisterPausableComponent(IPausable component)
        {
            if (component != null && _pausableComponents.Contains(component))
            {
                _pausableComponents.Remove(component);
                Logging.Debug($"[DivingGameManager] Unregistered pausable component: {(component as MonoBehaviour)?.name ?? "Unknown"}");
            }
        }
        
        /// <summary>
        /// Pause the game and all registered components
        /// </summary>
        public void Pause()
        {
            // Ignore pause requests once the game has reached Game Over
            if (_isGameOver) return;
            DoPause();
         }
         
         public void DoPause(bool turnOffGameInput = true)
         {
            // Ignore pause requests once the game has ended
            if (_isGameOver) return;
             // Pause all registered components
             foreach (var component in _pausableComponents)
             {
                 component.Pause();
             }
             
             // Change input mode to UI when menu is open
             if(turnOffGameInput)
                 InputManager.Instance.SetInputMode(InputMode.GameAndUI);
             
             Logging.Debug($"[DivingGameManager] Game paused. Paused {_pausableComponents.Count} components.");
         }
         
         /// <summary>
         /// Resume the game and all registered components
         /// </summary>
         public void DoResume()
         {
            // Ignore resume requests once the game has ended
            if (_isGameOver) return;
             // Resume all registered components
             foreach (var component in _pausableComponents)
             {
                 component.DoResume();
             }
             
             // Change input mode to UI when menu is open
             InputManager.Instance.SetInputMode(InputMode.GameAndUI);
             
             Logging.Debug($"[DivingGameManager] Game resumed. Resumed {_pausableComponents.Count} components.");
         }
        
        #region Photo Sequence Methods
        
        /// <summary>
        /// Called when the viewfinder animation phase changes to reverse (zoom out)
        /// </summary>
        private void OnReverseAnimationStarted()
        {
            Logging.Debug("[DivingGameManager] Viewfinder animation entering reverse (zoom-out) phase");
        }
        
        /// <summary>
        /// Called when proximity value is updated during animation
        /// </summary>
        private void OnProximityUpdated(float proximity)
        {
            // Store the current proximity value for potential use in scoring
            _capturedProximity = proximity;
        }
        
        /// <summary>
        /// Called when the player taps during the viewfinder animation
        /// </summary>
        private void OnViewfinderTappedDuringAnimation(float proximity)
        {
            if (!_isPhotoSequenceActive || _currentPhotoTarget == null)
                return;
                
            // Store the proximity value at the time of tap for scoring
            _capturedProximity = proximity;
            
            Logging.Debug($"[DivingGameManager] Player tapped during animation! Proximity: {proximity:F2}");
            
            // Take the picture at the current proximity
            TakePicture();
        }
        
        /// <summary>
        /// Takes the picture with the current proximity value for scoring
        /// </summary>
        private void TakePicture()
        {
            if (!_isPhotoSequenceActive || _currentPhotoTarget == null)
                return;
                
            // Notify the monster that its picture was taken
            _currentPhotoTarget.NotifyPictureTaken();
            
            // Calculate score based on proximity and depth
            CalculateScore(_currentPhotoTarget, _capturedProximity);

            //Trigger the Flash Effect
            if (flashRef != null)
            {

                var flash = flashRef.GetComponent<FlashBehaviour>();
                if (flash != null)
                {

                    flash.TriggerFlash();
                    cameraViewfinderManager.PlayShutterSound();
                }
            }

            // Complete the sequence
            CompletePhotoSequence();
        }
        
        /// <summary>
        /// Calculates the score for a picture based on proximity to target and monster depth
        /// </summary>
        private void CalculateScore(Monster monster, float proximity)
        {
            if (monster == null) return;
            
            // Calculate base points from depth
            int depthBonus = Mathf.FloorToInt(Mathf.Abs(monster.transform.position.y) * _settings.DepthMultiplier);
            
            // Apply proximity multiplier (0-100%)
            float proximityMultiplier = Mathf.Clamp01(proximity); // Ensure it's in 0-1 range
            int proximityBonus = Mathf.RoundToInt(_settings.BasePoints * proximityMultiplier);
            
            // Calculate total score
            int pointsAwarded = _settings.BasePoints + proximityBonus + depthBonus;
            
            Logging.Debug($"[DivingGameManager] Picture score calculation: base={proximityBonus} (proximity={proximity:F2}), " +
                    $"depth bonus={depthBonus}, total={pointsAwarded}");
            
            // Add score
            _playerScore += pointsAwarded;
            
            // Fire events
            OnScoreChanged?.Invoke(_playerScore);
            OnPictureTaken?.Invoke(monster, pointsAwarded);
        }

        /// <summary>
        /// Handles completion of the viewfinder animation
        /// </summary>
        private void OnViewfinderAnimationCompleted()
        {
            if (!_isPhotoSequenceActive || _currentPhotoTarget == null)
                return;
            
            // Take the picture at whatever the final proximity was
            TakePicture();
        }
        
        /// <summary>
        /// Cleans up and completes the picture-taking sequence
        /// </summary>
        private void CompletePhotoSequence()
        {
            if (!_isPhotoSequenceActive)
                return;
                
            // Notify listeners that photo sequence has completed (with proximity score)
            if (_currentPhotoTarget != null)
            {
                OnPhotoSequenceCompleted?.Invoke(_currentPhotoTarget, _capturedProximity);
                
                // We no longer despawn the monster after taking a picture
                // _currentPhotoTarget.Despawn(false);
                
                // Just mark the photo sequence as no longer in progress
                _currentPhotoTarget.NotifyPictureTaken();
            }
            
            DoResume();
            
            // Reset state
            _isPhotoSequenceActive = false;
            _currentPhotoTarget = null;
            
            Logging.Debug($"[DivingGameManager] Completed photo sequence with proximity score: {_capturedProximity:F2}");
        }
        
        /// <summary>
        /// Register a component to be exempt from pausing during photo sequence
        /// </summary>
        public void RegisterExemptFromPhotoSequencePausing(IPausable component)
        {
            if (!_exemptFromPhotoSequencePausing.Contains(component))
            {
                _exemptFromPhotoSequencePausing.Add(component);
            }
        }
        
        #endregion

        #region Game Initialization
        
        /// <summary>
        /// Initializes the game components once the orientation is correct.
        /// This is called by SceneOrientationEnforcer when the device is properly oriented.
        /// </summary>
        public void InitializeGame()
        {
            if (_isGameInitialized)
            {
                DoResume();
                return;
            }
            
            // Prevent double initialization
            if (_isGameInitialized) return;
            
            Logging.Debug("[DivingGameManager] Initializing game");
            
            // Subscribe to tile spawned event
            TrenchTileSpawner tileSpawner = FindFirstObjectByType<TrenchTileSpawner>();
            if (tileSpawner != null)
            {
                tileSpawner.onTileSpawned.AddListener(OnTileSpawned);
            }
            else
            {
                Logging.Warning("No TrenchTileSpawner found in scene. Monster spawning won't work.");
            }
            
            // Mark as initialized
            _isGameInitialized = true;
            
            // Notify all listeners that the game is initialized
            OnGameInitialized?.Invoke();
        }
        
        #endregion

        private void DoMonsterSpawned(Monster monster)
        {
            if (monster != null)
            {
                // Subscribe to monster enter/exit events
                monster.OnPlayerEnterDetectionRange += OnPlayerEnterMonsterRange;
                monster.OnPlayerExitDetectionRange += OnPlayerExitMonsterRange;
                monster.OnMonsterDespawned += DoMonsterDespawned;

                // Add to active monsters list
                _activeMonsters.Add(monster);
            }
        }
        
        private void DoMonsterDespawned(Monster monster)
        {
            // Remove from active list
            _activeMonsters.Remove(monster);

            // Unsubscribe from monster events
            if (monster != null)
            {
                monster.OnPlayerEnterDetectionRange -= OnPlayerEnterMonsterRange;
                monster.OnPlayerExitDetectionRange -= OnPlayerExitMonsterRange;
                monster.OnMonsterDespawned -= DoMonsterDespawned;
            }
        }
        
        // Handles player entering monster detection range
        private void OnPlayerEnterMonsterRange(Monster monster)
        {
            if (monster != null && !_isPhotoSequenceActive)
            {
                // Store current target for later use
                _currentPhotoTarget = monster;
                
                // Show the full-screen viewfinder (first step in two-step process)
                if (viewfinderManager != null)
                {
                    viewfinderManager.ShowFullScreenViewfinder();
                    Logging.Debug($"[DivingGameManager] Player entered range of monster {monster.name}, showing full-screen viewfinder");
                }
            }
        }
        
        // Handles player exiting monster detection range
        private void OnPlayerExitMonsterRange(Monster monster)
        {
            // Only hide viewfinder if we're not already in a photo sequence
            if (!_isPhotoSequenceActive && monster == _currentPhotoTarget)
            {
                // Hide the viewfinder
                if (viewfinderManager != null)
                {
                    viewfinderManager.HideViewfinder();
                    Logging.Debug($"[DivingGameManager] Player exited range of monster {monster.name}, hiding viewfinder");
                }
                
                // Clear current target
                _currentPhotoTarget = null;
            }
        }
        
        // Called when the player taps on the viewfinder
        private void OnViewfinderTapped()
        {
            // Only proceed if we have a valid target and not already in a sequence
            if (_currentPhotoTarget != null && !_isPhotoSequenceActive && _currentPhotoTarget.IsPlayerInDetectionRange)
            {
                // Pause the game immediately
                DoPause(false);
                Logging.Debug($"[DivingGameManager] Pausing game before starting viewfinder animation");
                
                // Mark the photo sequence as active
                _isPhotoSequenceActive = true;
                
                // Mark monster as in photo sequence
                _currentPhotoTarget.SetPhotoSequenceInProgress();
                
                // Reset captured proximity
                _capturedProximity = 0f;
                
                // Notify listeners that photo sequence has started
                OnPhotoSequenceStarted?.Invoke(_currentPhotoTarget);
                
                // Start the complete animation sequence to target monster
                if (viewfinderManager != null)
                {
                    viewfinderManager.StartViewfinderSequence(_currentPhotoTarget.transform);
                    Logging.Debug($"[DivingGameManager] Viewfinder tapped for monster {_currentPhotoTarget.name}, starting animation sequence");
                }
                else
                {
                    Debug.LogError("[DivingGameManager] No ViewfinderManager available!");
                    CompletePhotoSequence();
                }
            }
        }
    }
}