using System.Collections;
using Core;
using Input;
using Items;
using Minigames.TrashMaze.Core;
using Minigames.TrashMaze.Data;
using Unity.Cinemachine;
using UnityEngine;

namespace Minigames.TrashMaze.Objects
{
    /// <summary>
    /// Trash Maze specific controller switch that transitions TO Pulver (maze entrance).
    /// Handles camera blend with midway teleportation to create the illusion of entering the maze.
    /// </summary>
    public class TrashMazeSwitchToPulver : ControllerSwitchItem
    {
        [Header("Trash Maze - To Pulver Settings")]
        [Tooltip("Transform where Pulver should be teleported to (maze entrance)")]
        [SerializeField] private Transform teleportTarget;
        
        [Tooltip("Camera state to blend to (Maze camera)")]
        [SerializeField] private TrashMazeCameraState targetCameraState = TrashMazeCameraState.Maze;

        protected override IEnumerator SwitchControllerSequence()
        {
            _isSwitching = true;

            // Step 1: Get controllers
            var currentController = InputManager.Instance.GetActiveController();
            var targetController = InputManager.Instance.GetController("pulver");
            
            if (currentController == null || targetController == null)
            {
                Debug.LogError($"[TrashMazeSwitchToPulver] Failed to get controllers!");
                _isSwitching = false;
                yield break;
            }
            
            GameObject currentGameObject = (currentController as MonoBehaviour)?.gameObject;
            GameObject targetGameObject = (targetController as MonoBehaviour)?.gameObject;
            
            Logging.Debug($"[TrashMazeSwitchToPulver] Switching from {currentGameObject?.name} to Pulver");

            // Step 2: Deactivate current controller (Trafalgar)
            DeactivateCurrentController(currentController, currentGameObject);
            
            // Step 3: Deactivate Pulver's follower controller (will be teleported)
            if (targetGameObject != null)
            {
                var pulverFollower = targetGameObject.GetComponent<FollowerController>();
                if (pulverFollower != null)
                {
                    pulverFollower.DeactivateFollower();
                }
            }

            // Step 4: Start camera blend to maze
            TeleportationHelper.StartCameraBlend(targetCameraState);
            
            // Step 5: Wait for halfway through the blend, teleport Pulver, and set tracking target
            yield return TeleportationHelper.TeleportMidBlendAndSetTracking(targetGameObject, teleportTarget, targetCameraState);

            // Step 6: Wait for camera blend to complete
            yield return TeleportationHelper.WaitForCameraBlend();

            // Step 7: Activate Pulver controller
            if (targetController is BasePlayerMovementController targetPlayerController)
            {
                targetPlayerController.ActivateController();
            }

            // Step 8: Switch InputManager to Pulver controller
            bool switchSuccess = InputManager.Instance.SwitchToController("pulver");
            
            if (switchSuccess)
            {
                Logging.Debug($"[TrashMazeSwitchToPulver] Successfully switched to Pulver controller");
                OnCharacterSwitch.Invoke();
            }
            else
            {
                Debug.LogError($"[TrashMazeSwitchToPulver] Failed to switch to Pulver controller");
            }

            // Step 9: Mark as used if one-time use
            if (isOneTime)
            {
                DisableVisual();
            }

            _isSwitching = false;
        }

#if UNITY_EDITOR
        private void OnValidate()
        {
            name = "TrashMazeSwitch_ToPulver";
            
            // Default to Maze camera
            if (targetCameraState != TrashMazeCameraState.Maze)
            {
                targetCameraState = TrashMazeCameraState.Maze;
            }
        }
#endif
    }
}