using System;
using Cinemachine;
using Sirenix.OdinInspector;
using Unity.VisualScripting;
using UnityEngine;
using UnityEngine.InputSystem;
using UnityEngine.SceneManagement;
using Random = UnityEngine.Random;

// ReSharper disable once CheckNamespace
namespace BlueWaterProject
{
    public class SpawnController : MonoBehaviour
    {
        [SerializeField] private float instantiationDistance = 3f;
        [SerializeField] private float checkRadius = 1f;
        [SerializeField] private LayerMask checkLayer;
        [SerializeField] private LayerMask groundLayer;
        
        [Title("Crewmate 생성")]
        [InfoBox("$CrewmateIndexInfoMessage")]
        [SerializeField] private int crewmatePrefabIndex;

        private Collider[] colliders = new Collider[MAX_COLLIDER];
        
        private GameObject spawnPositionObj;
        private CinemachineVirtualCamera cinemachineVirtualCamera;

        private Transform spawnLocation;
        private string CrewmateIndexInfoMessage => $"0 ~ {GameManager.Inst.CrewmatePrefabList.Count - 1} 숫자를 입력해주세요.";
        
        private const string PLAYER_NAME = "Player";
        private const string IN_ISLAND_PLAYER_NAME = "InIslandPlayer";
        private const int MAX_COLLIDER = 10;

        private void Start()
        {
            groundLayer = LayerMask.GetMask("Ground");
            
            spawnPositionObj = GameObject.Find("StageMap/SpawnPosition");
            if (spawnPositionObj == null)
            {
                print("StageMap 또는 SpawnPosition 오브젝트를 찾을 수 없습니다.");
                return;
            }

            cinemachineVirtualCamera = GameObject.Find("Virtual Camera")?.GetComponent<CinemachineVirtualCamera>();
            if (cinemachineVirtualCamera == null)
            {
                print("Virtual Camera 오브젝트를 찾을 수 없습니다.");
                return;
            }

            spawnLocation = GameObject.Find("Characters")?.transform;
            if (spawnLocation == null)
            {
                spawnLocation = new GameObject("Characters").transform;
            }
            
            var currentSceneName = SceneManager.GetActiveScene().name;
            if (currentSceneName != "02.Main")
            {
                SpawnInIslandPlayer(spawnPositionObj.transform.position, GameManager.Inst.InIslandPlayerPrefab.transform.rotation);
            }
        }
        
        private void SpawnInIslandPlayer(Vector3 spawnPos, Quaternion spawnRotation)
        {
            // if (Physics.Raycast(spawnPos, Vector3.down, out var hit, 10f, groundLayer))
            // {
            //     print(hit.point.y);
            //     spawnPos.y = hit.point.y;
            // }
            
            var islandPlayer = Instantiate(GameManager.Inst.InIslandPlayerPrefab, spawnPos, spawnRotation, spawnLocation);
            islandPlayer.name = IN_ISLAND_PLAYER_NAME;
            islandPlayer.gameObject.SetActive(true);
            
            var playerInput = islandPlayer.GetComponent<PlayerInput>();
            if (playerInput == null)
            {
                playerInput = islandPlayer.transform.AddComponent<PlayerInput>();
            }

            var desiredActionMap = playerInput.actions.FindActionMap(PLAYER_NAME);
            if (desiredActionMap == null)
            {
                print($"Action map named '{PLAYER_NAME}' not found in player actions!");
                return;
            }
            
            playerInput.defaultActionMap = PLAYER_NAME;

            // if (GameManager.Inst.ShipPlayer != null)
            // {
            //     GameManager.Inst.ShipPlayer.GetComponent<PlayerInput>().enabled = false;
            // }

            playerInput.enabled = true;

            var inIslandPlayer = islandPlayer.GetComponent<InIslandPlayer>();
            if (inIslandPlayer == null)
            {
                inIslandPlayer = islandPlayer.AddComponent<InIslandPlayer>();
            }

            InIslandCamera.Inst.SetTarget(islandPlayer.transform);

            GameManager.Inst.SetCurrentInIslandPlayer(inIslandPlayer);
        }

        [DisableIf("@crewmatePrefabIndex >= GameManager.Inst.CrewmatePrefabList.Count || crewmatePrefabIndex < 0")]
        [Button("Crewmate 추가")]
        public void AddCrewmate()
        {
            if (!GameManager.Inst.CurrentInIslandPlayer.GameObject) return;
            
            if (crewmatePrefabIndex >= GameManager.Inst.CrewmatePrefabList.Count || crewmatePrefabIndex < 0)
            {
                print("존재하지 않는 인덱스입니다.");
                return;
            }

            for (var i = 0; i < 50; i++)
            {
                var randomDirection = new Vector3(Random.Range(-1f, 1f), 0, Random.Range(-1f, 1f)).normalized;
                var spawnPos = GameManager.Inst.CurrentInIslandPlayer.Transform.position + (randomDirection * instantiationDistance);

                Array.Clear(colliders, 0, MAX_COLLIDER);
                var size = Physics.OverlapSphereNonAlloc(spawnPos, checkRadius, colliders, checkLayer);
                
                if (size != 0) continue;
                
                var crewmate = Instantiate(GameManager.Inst.CrewmatePrefabList[crewmatePrefabIndex], spawnPos,
                    GameManager.Inst.CrewmatePrefabList[crewmatePrefabIndex].transform.rotation, spawnLocation);
                crewmate.CrewmatePrefabIndex = crewmatePrefabIndex;
                crewmate.gameObject.SetActive(true);

                GameManager.Inst.CurrentCrewmateList.Add(crewmate);
                return;
            }
            
            print("소환할 수 있는 자리가 없습니다.");
        }

        public void SetCrewmatePrefabIndex(int value) => crewmatePrefabIndex = value;
    }
}