using System;
using System.Collections;
using System.Collections.Generic;
using BlueWater.Utility;
using Sirenix.OdinInspector;
using Unity.Cinemachine;
using UnityEngine;
using UnityEngine.Serialization;

namespace BlueWater
{
    public enum TycoonCameraType
    {
        Base = 0,
        Storage
    }
    
    public class TycoonCameraManager : Singleton<TycoonCameraManager>
    {
        // Components
        #region Components
        
        [Title("카메라")]
        [field: SerializeField]
        public Camera MainCamera { get; private set; }
        
        [SerializeField]
        private Transform cameraLocation;
        
        [field: SerializeField]
        public CinemachineCamera BaseCamera { get; private set; }
        
        [field: SerializeField]
        public CinemachineCamera StorageCamera { get; private set; }
        
        // Variables
        private CinemachineBrain _cinemachineBrain;
        private List<CinemachineCamera> _cinemachineCameras = new();
        
        #endregion

        // Unity events
        #region Unity events
        
        protected override void OnAwake()
        {
            Initialize();
        }
        
        private void Start()
        {
            if (!GameManager.Instance) return;
            
            GameManager.Instance.OnInstantiatePlayer += SetFollow;
        }

        private void OnDestroy()
        {
            if (!GameManager.Instance) return;
            
            GameManager.Instance.OnInstantiatePlayer -= SetFollow;
        }

        #endregion

        // Initialize methods
        #region Initialize methods
        
        [Button("셋팅 초기화")]
        private void Initialize()
        {
            cameraLocation = GameObject.Find("CinemachineCameras").transform;

            MainCamera = GetComponent<Camera>();
            _cinemachineBrain = GetComponent<CinemachineBrain>();
            
            BaseCamera = cameraLocation.Find("BaseCamera").GetComponent<CinemachineCamera>();
            StorageCamera = cameraLocation.Find("StorageCamera").GetComponent<CinemachineCamera>();
            
            _cinemachineCameras.Add(BaseCamera);
            _cinemachineCameras.Add(StorageCamera);

            SetMainCamera(TycoonCameraType.Base);
        }

        #endregion

        // Methods
        #region Methods
        
        public void SetFollow(Transform target)
        {
            BaseCamera.Follow = target;
        }
        
        // public void SetFollowAndLookAt(Transform target)
        // {
        //     BaseCombatCamera.Follow = target;
        //     BaseCombatCamera.LookAt = target;
        // }

        public void SetMainCamera(TycoonCameraType tycoonCameraType)
        {
            var newMainCamera = tycoonCameraType switch
            {
                TycoonCameraType.Base => BaseCamera,
                TycoonCameraType.Storage => StorageCamera,
                _ => throw new ArgumentOutOfRangeException(nameof(tycoonCameraType), tycoonCameraType, null)
            };

            foreach (var element in _cinemachineCameras)
            {
                element.Priority = 0;
            }

            //_cinemachineBrain.DefaultBlend.Style = styles;
            newMainCamera.Priority = 1;
        }
        
        #endregion
    }
}