using System;
using System.Collections;
using System.Collections.Generic;
using Sirenix.OdinInspector;
using UnityEngine;
using UnityEngine.InputSystem;

// ReSharper disable once CheckNamespace
namespace BlueWaterProject
{
    [DefaultExecutionOrder(-1)]
    public class GameManager : Singleton<GameManager>
    {
        // 섬 안의 플레이어 모드 선택
        [field: Title("InIsland Data")]
        [field: SerializeField] public GlobalValue.InIslandPlayerMode IslandPlayerMode { get; private set; }
        [field: Required("Viking Prefab을 넣어주세요.")]
        [field: SerializeField] public GameObject InIslandPlayerPrefab { get; private set; }
        [field: SerializeField] public List<Crewmate> CrewmatePrefabList { get; private set; }
        [field: SerializeField] public List<Crewmate> CurrentCrewmateList { get; set; }
        public IInIslandPlayer CurrentInIslandPlayer { get; set; }
        
        // Player
        [field: Title("Player")]
        [field: SerializeField] public ShipPlayer ShipPlayer { get; private set; }
        [field: SerializeField] public InShipPlayer InShipPlayer { get; private set; }

        // Game Data
        [Title("Game Data")]
        [Range(0f, 1f)]
        [SerializeField] private float slowSpeed = 0.1f;
        
        private const string IN_ISLAND_PLAYER_NAME = "InIslandPlayer";
        
        // Game State
        [field: Title("Game State")]
        [field: SerializeField] public bool IsInShipMode { get; set; }
        [field: SerializeField] public bool IsDredgeMode { get; set; }
        [field: SerializeField] public bool IsTakeAim { get; set; }
        [field: SerializeField] public bool IsShipDeckMode { get; set; }
        
        [field: SerializeField] public bool IsConversation { get; set; }
        [field: SerializeField] public bool IsInteraction { get; set; }
        [field: SerializeField] public GlobalValue.PlayerMode CurrentPlayerMode { get; set; }

        private void Init()
        {
            ShipPlayer = FindAnyObjectByType<ShipPlayer>();
            InShipPlayer = FindAnyObjectByType<InShipPlayer>();
        }
        protected override void OnAwake()
        {
            Init();
        }

        private void Start()
        {
            Cursor.lockState = CursorLockMode.Confined;
        }
        
        public IEnumerator ApplySlowMotion(float targetTimeScale, float duration)
        {
            var startScale = Time.timeScale;
            var time = 0f;

            while (time < duration)
            {
                Time.timeScale = Mathf.Lerp(startScale, targetTimeScale, time / duration);
                Time.fixedDeltaTime = 0.02f * Time.timeScale;
                time += Time.unscaledDeltaTime;
                yield return null;
            }

            Time.timeScale = targetTimeScale;
        }
        
        public void SlowSpeedMode()
        {
            Time.timeScale = slowSpeed;
            Time.fixedDeltaTime = 0.02f * Time.timeScale;
        }
    
        public void DefaultSpeedMode()
        {
            Time.timeScale = 1f;
            Time.fixedDeltaTime = 0.02f;
        }

        public void SetCurrentInIslandPlayer(IInIslandPlayer inIslandPlayer)
        {
            PlayerInput currentPlayerInput;
            
            if (CurrentInIslandPlayer != null)
            {
                currentPlayerInput = CurrentInIslandPlayer.Transform.GetComponent<PlayerInput>();
                if (currentPlayerInput != null)
                {
                    currentPlayerInput.enabled = false;
                }
            }
            
            CurrentInIslandPlayer = inIslandPlayer;
            InIslandCamera.Inst.SetTarget(inIslandPlayer.Transform);
            
            currentPlayerInput = CurrentInIslandPlayer.Transform.GetComponent<PlayerInput>();
            if (currentPlayerInput != null)
            {
                currentPlayerInput.enabled = true;
            }
        }

        #region Player Mode State switch

        public void SwitchDredgeMode(bool isOn)
        {
            if (isOn)
            {
                SwitchTakeAim(false);
                SwitchInShipMode(false);
                SwitchShipDeckMode(false);
                CameraManager.Inst.CamDredgeMode();
                IsDredgeMode = true;
                CurrentPlayerMode = GlobalValue.PlayerMode.DREDGE;
            }
            else if (IsDredgeMode)
            {
                IsDredgeMode = false;
            }
        }
        
        public void SwitchShipDeckMode(bool isOn)
        {
            if (isOn)
            {
                SwitchTakeAim(false);
                SwitchInShipMode(false);
                SwitchDredgeMode(false);
                CameraManager.Inst.CamShipDeckMode();
                IsShipDeckMode = true;
                CurrentPlayerMode = GlobalValue.PlayerMode.IN_DECK;
            }
            else if (IsShipDeckMode)
            {
                CameraManager.Inst.CamDredgeMode();
                IsInShipMode = false;
            }
        }
        
        public void SwitchTakeAim(bool isOn)
        {
            if (isOn)
            {
                SwitchInShipMode(false);
                SwitchShipDeckMode(false);
                SwitchDredgeMode(false);
                CameraManager.Inst.CamTakeAim(true);
                Cursor.visible = false;
                Cursor.lockState = CursorLockMode.Locked;
                IsTakeAim = true;
                CurrentPlayerMode = GlobalValue.PlayerMode.TAKE_AIM;
            }
            else if (IsTakeAim)
            {
                CameraManager.Inst.CamTakeAim(false);
                Cursor.visible = true;
                Cursor.lockState = CursorLockMode.Confined;
                IsTakeAim = false;
            }
            UiManager.Inst.AimOnOff(isOn);
        }

        public void SwitchInShipMode(bool isOn)
        {
            if (isOn)
            {
                SwitchTakeAim(false);
                SwitchShipDeckMode(false);
                SwitchDredgeMode(false);
                CameraManager.Inst.CamInShipMode();
                IsInShipMode = true;
                CurrentPlayerMode = GlobalValue.PlayerMode.IN_SHIP;
                InShipPlayer.ProximitySelector.enabled = true;
            }
            else if (IsInShipMode)
            {
                CameraManager.Inst.CamDredgeMode();
                IsInShipMode = false;
                InShipPlayer.ProximitySelector.enabled = false;
            }
        }

        #endregion
    }
}