using System.Collections;
using Core;
using Interactions;
using Minigames.TrashMaze.Core;
using Minigames.TrashMaze.Data;
using UnityEngine;

namespace Minigames.TrashMaze.Objects
{
    /// <summary>
    /// Maze exit interactable that teleports Pulver out of the maze.
    /// Uses camera blend with midway teleportation to create seamless transition.
    /// Does NOT switch controllers - Pulver remains player-controlled.
    /// </summary>
    public class MazeExit : SaveableInteractable
    {
        [Header("Maze Exit Settings")]
        [Tooltip("Transform where Pulver should be teleported to (maze exit position)")]
        [SerializeField] private Transform teleportTarget;
        
        [Tooltip("Camera state to blend to (typically PulverGameplay)")]
        [SerializeField] private TrashMazeCameraState targetCameraState = TrashMazeCameraState.PulverGameplay;

        public override string SaveId => $"{gameObject.scene.name}/MazeExit/{gameObject.name}";

        protected override object GetSerializableState()
        {
            // MazeExit doesn't need to save state - it's a simple trigger
            return null;
        }

        protected override void ApplySerializableState(string state)
        {
            // MazeExit doesn't need to restore state
        }

        protected override bool DoInteraction()
        {
            Logging.Debug("[MazeExit] Starting maze exit sequence");
            
            StartCoroutine(ExitMazeSequence());
            
            return true;
        }

        private IEnumerator ExitMazeSequence()
        {
            // Step 1: Find Pulver (should be the active player-controlled character)
            var pulverController = FindFirstObjectByType<PulverController>();
            if (pulverController == null)
            {
                Debug.LogError("[MazeExit] PulverController not found in scene!");
                yield break;
            }

            GameObject pulverGameObject = pulverController.gameObject;
            Logging.Debug($"[MazeExit] Found Pulver at {pulverGameObject.transform.position}");

            // Step 2: Start camera blend to target state (PulverGameplay)
            TeleportationHelper.StartCameraBlend(targetCameraState);

            // Step 3: Wait for halfway through blend, teleport Pulver, and set tracking target
            yield return TeleportationHelper.TeleportMidBlendAndSetTracking(pulverGameObject, teleportTarget, targetCameraState);

            // Step 4: Wait for camera blend to complete
            yield return TeleportationHelper.WaitForCameraBlend();

            // Step 5: Stop Pulver movement to prevent it from continuing with cached input
            if (pulverController != null)
            {
                pulverController.InterruptMoveTo();
                Logging.Debug("[MazeExit] Stopped Pulver movement after teleportation");
            }

            Logging.Debug("[MazeExit] Maze exit sequence completed");
        }

#if UNITY_EDITOR
        private void OnValidate()
        {
            name = "MazeExit";
            
            // Default to PulverGameplay camera
            if (targetCameraState == TrashMazeCameraState.Gameplay)
            {
                targetCameraState = TrashMazeCameraState.PulverGameplay;
            }
        }
#endif
    }
}