using Core;
using Core.Lifecycle;
using Input;
using UnityEngine;
using UnityEngine.UI;

namespace Cinematics
{
    public class SkipCinematic : ManagedBehaviour, ITouchInputConsumer
    {
        [Header("Configuration")]
        [SerializeField] private float holdDuration = 2.0f;
        [SerializeField] private Image radialProgressBar;
        
        private float _holdStartTime;
        private bool _isHolding;
        private bool _skipPerformed;
    
        public override int ManagedAwakePriority => 180; // Cinematic UI
        
        internal override void OnManagedStart()
        {
            // Reset the progress bar
            if (radialProgressBar != null)
            {
                radialProgressBar.fillAmount = 0f;
            }
            
            // Subscribe to CinematicsManager events now that boot is complete
            SubscribeToCinematicsEvents();
            
            Logging.Debug("[SkipCinematic] Initialized");
        }
        
        protected override void OnDestroy()
        {
            base.OnDestroy();
            
            // Clean up subscriptions
            UnsubscribeFromCinematicsEvents();
        }
    
        private void SubscribeToCinematicsEvents()
        {
            if (CinematicsManager.Instance == null) return;
            
            // First unsubscribe to prevent duplicate subscriptions
            UnsubscribeFromCinematicsEvents();
            
            // Now subscribe
            CinematicsManager.Instance.OnCinematicStarted += HandleCinematicStarted;
            CinematicsManager.Instance.OnCinematicStopped += HandleCinematicStopped;
            
            // Check if a cinematic is already playing
            if (CinematicsManager.Instance.IsCinematicPlaying)
                HandleCinematicStarted();
                
            Logging.Debug("[SkipCinematic] Subscribed to cinematics events");
        }
        
        private void UnsubscribeFromCinematicsEvents()
        {
            if (CinematicsManager.Instance != null)
            {
                CinematicsManager.Instance.OnCinematicStarted -= HandleCinematicStarted;
                CinematicsManager.Instance.OnCinematicStopped -= HandleCinematicStopped;
                Logging.Debug("[SkipCinematic] Unsubscribed from cinematics events");
            }
            
            // If still registered as an input override consumer, unregister
            if (InputManager.Instance != null)
            {
                InputManager.Instance.UnregisterOverrideConsumer(this);
                Logging.Debug("[SkipCinematic] Unregistered as input override consumer");
            }
        }

        private void HandleCinematicStarted()
        {
            if (InputManager.Instance != null)
            {
                InputManager.Instance.RegisterOverrideConsumer(this);
            }
        }

        private void HandleCinematicStopped()
        {
            if (InputManager.Instance != null)
            {
                InputManager.Instance.UnregisterOverrideConsumer(this);
            }
        }
    
        void Update()
        {
            // Only process while cinematic is playing and we're holding
            if (_isHolding && CinematicsManager.Instance.IsCinematicPlaying)
            {
                float holdTime = Time.time - _holdStartTime;
                float progress = Mathf.Clamp01(holdTime / holdDuration);
            
                // Update progress bar
                if (radialProgressBar != null)
                {
                    radialProgressBar.fillAmount = progress;
                }
            
                // Check if we've held long enough to skip
                if (progress >= 1.0f && !_skipPerformed)
                {
                    _skipPerformed = true;
                    DoSkipCinematic();
                }
            }
        }
    
        private void DoSkipCinematic()
        {
            CinematicsManager.Instance.SkipCurrentCinematic();
            Logging.Debug("Cinematic skipped via touch hold");
        
            // Reset UI
            if (radialProgressBar != null)
            {
                radialProgressBar.fillAmount = 0f;
            }
            
            // Remember to clear up input override
            InputManager.Instance.UnregisterOverrideConsumer(this);
        }
    
        #region ITouchInputConsumer Implementation
        public void OnTap(Vector2 position)
        {
            // Not using tap for skipping
        }
    
        public void OnHoldStart(Vector2 position)
        {
            // Start tracking hold time
            _isHolding = true;
            _skipPerformed = false;
            _holdStartTime = Time.time;
        
            Logging.Debug("Starting cinematic skip gesture");
        }
    
        public void OnHoldMove(Vector2 position)
        {
            // Hold movement is tracked in Update method
        }
    
        public void OnHoldEnd(Vector2 position)
        {
            // Reset state when hold ends
            _isHolding = false;
        
            // Reset UI
            if (radialProgressBar != null)
            {
                radialProgressBar.fillAmount = 0f;
            }
        
            Logging.Debug("Cinematic skip gesture canceled");
        }
        #endregion
    }
}