using System;
using System.Collections.Generic;
using BlueWater.Interfaces;
using BlueWater.Maps;
using BlueWater.Uis;
using BlueWater.Utility;
using Sirenix.OdinInspector;
using UnityEngine;
using UnityEngine.InputSystem;

namespace BlueWater.Players.Combat
{
    public class CombatInput : MonoBehaviour
    {
        // variables
        #region variables
        
        // Components
        [SerializeField]
        private PlayerInput _playerInput;

        [SerializeField]
        protected float InteractionRadius = 2f;
        
        [SerializeField]
        private Vector3 _interactionUiOffset = new(0f, 1.5f, 0f); 
        
        private List<IPlayerInteraction> _playerInteractions = new();
        private IPlayerInteraction _closestInteraction;
        private IPlayerInteraction _previousInteraction;
        
        // Events
        public event Action<Vector2> OnMoveInputReceived;
        public event Action OnDashInputReceived;
        public event Action<bool> OnAttackInputReceived;
        public event Action<string> OnActivateMainSkillInputReceived;
        
        #endregion

        private void Awake()
        {
            InitializeComponents();
        }

        private void Start()
        {
            Initialize();
        }

        private void Update()
        {
            _closestInteraction = GetClosestInteraction();
            if (_closestInteraction != null)
            {
                _closestInteraction.ShowInteractionUi();
                if (_previousInteraction != null && _closestInteraction != _previousInteraction)
                {
                    _previousInteraction.HideInteractionUi();
                }
                _previousInteraction = _closestInteraction;
            }
            else
            {
                _previousInteraction?.HideInteractionUi();
                _previousInteraction = null;
            }
        }

        // Initialize methods
        #region Initialize methods
        
        [Button("컴포넌트 초기화")]
        private void InitializeComponents()
        {
            _playerInput = GetComponent<PlayerInput>();
        }
        
        private void Initialize()
        {
            _playerInput.enabled = true;
            PlayerInputKeyManager.Instance.SetCurrentPlayerInput(_playerInput);
            PlayerInputKeyManager.Instance.SwitchCurrentActionMap(InputActionMaps.Combat);
        }
        
        #endregion

        // Player input methods
        #region Player input methods
        
        public void OnMove(InputAction.CallbackContext context)
        {
            var movementInput = context.ReadValue<Vector2>();
            OnMoveInputReceived?.Invoke(movementInput);
        }
        
        public void OnDash(InputAction.CallbackContext context)
        {
            if (context.performed)
            {
                OnDashInputReceived?.Invoke();
            }
        }
        
        public void OnAttack(InputAction.CallbackContext context)
        {
            if (context.performed)
            {
                var device = context.control.device;
                bool usedMouse;
                
                switch (device)
                {
                    case Keyboard:
                        usedMouse = false;
                        break;
                    case Mouse:
                        usedMouse = true;
                        break;
                    default:
                        return;
                }
                
                OnAttackInputReceived?.Invoke(usedMouse);
            }
        }

        public void OnActivateMainSkill(InputAction.CallbackContext context)
        {
            if (context.performed)
            {
                OnActivateMainSkillInputReceived?.Invoke(null);
            }
        }
        
        public void OnInteraction(InputAction.CallbackContext context)
        {
            if (context.performed)
            {
                _closestInteraction?.Interaction();
            }
        }
        
        public void OnOpenItemInventory(InputAction.CallbackContext context)
        {
            if (context.performed)
            {
                CombatUiManager.Instance.CombatItemInventoryUi.Open();
            }
        }
        
        public void OnCloseItemInventory(InputAction.CallbackContext context)
        {
            if (context.performed)
            {
                if (!CombatUiManager.Instance.CombatItemInventoryUi.gameObject.activeSelf) return;
                
                CombatUiManager.Instance.CombatItemInventoryUi.Close();
            }
        }
        
        public void OnOpenMenu(InputAction.CallbackContext context)
        {
            if (context.performed)
            {
                CombatUiManager.Instance.CombatMenuPopupUi.Open();
            }
        }
        
        public void OnOpenDevelopMenu(InputAction.CallbackContext context)
        {
            if (context.performed)
            {
                CombatUiManager.Instance.DevelopMenuPopupUi.Open();
            }
        }
        
        public void OnForceKillBoss(InputAction.CallbackContext context)
        {
            if (context.performed)
            {
                MapManager.Instance.ForceKillCurrentBoss();
            }
        }
        
        public void OnHealthPointMax(InputAction.CallbackContext context)
        {
            if (context.performed)
            {
                GameManager.Instance.CurrentCombatPlayer.SetCurrentHealthPointMax();
            }
        }
        
        public void OnCancel(InputAction.CallbackContext context)
        {
            if (context.performed)
            {
                PopupUiController.CloseLastPopup();
            }
        }
        
        public void OnInteractionUi(InputAction.CallbackContext context)
        {
            if (context.performed)
            {
                if (CombatUiManager.Instance.CombatTutorialUi.CurrentTutorialState == TutorialState.First)
                {
                    CombatUiManager.Instance.CombatTutorialUi.SecondFirstTutorialUi();
                }
                else if (CombatUiManager.Instance.CombatTutorialUi.CurrentTutorialState == TutorialState.Second)
                {
                    CombatUiManager.Instance.CombatTutorialUi.EndTutorialUi();
                }
            }
        }
        
        #endregion

        // Methods
        #region Methods

        public void RegisterPlayerInteraction(IPlayerInteraction playerInteraction)
        {
            Utils.RegisterList(_playerInteractions, playerInteraction);
        }
        
        public void UnregisterPlayerInteraction(IPlayerInteraction playerInteraction)
        {
            Utils.UnregisterList(_playerInteractions, playerInteraction);
        }
        
        private IPlayerInteraction GetClosestInteraction()
        {
            IPlayerInteraction closestInteraction = null;
            var closestDistance = float.MaxValue;

            foreach (var interaction in _playerInteractions)
            {
                var distance = Vector3.Distance(transform.position, interaction.CenterTransform.position);
                if (distance > InteractionRadius || distance >= closestDistance) continue;
                
                closestDistance = distance;
                closestInteraction = interaction;
            }

            return closestInteraction;
        }

        #endregion
    }
}