using System.Collections.Generic;
using BlueWater.Interfaces;
using BlueWater.Utility;
using UnityEngine;
using UnityEngine.InputSystem;

namespace BlueWater.Players.Tycoons
{
    public class TycoonInput : MonoBehaviour
    {
        // variables
        #region variables
        
        private List<IPlayerInteraction> _playerInteractions = new();
        private IPlayerInteraction _closestInteraction;
        private IPlayerInteraction _previousInteraction;
        private InputAction _interactionAction;
        private InputAction _developKey01Action;
        
        #endregion

        #region Unity events

        private void Start()
        {
            _interactionAction = PlayerInputKeyManager.Instance.GetAction(InputActionMaps.Tycoon, TycoonActions.Interaction);
            _developKey01Action = PlayerInputKeyManager.Instance.GetAction(InputActionMaps.Tycoon, TycoonActions.DevelopKey01);
            
            _interactionAction.performed += OnInteraction;
            _interactionAction.canceled += OnInteraction;
            _developKey01Action.performed += OnDevelopKey01;
        }

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

        private void OnDestroy()
        {
            _interactionAction.performed -= OnInteraction;
            _interactionAction.canceled -= OnInteraction;
            _developKey01Action.performed -= OnDevelopKey01;
        }

        #endregion

        // Player input methods
        #region Player input methods
        
        // Tycoon
        public void OnInteraction(InputAction.CallbackContext context)
        {
            if (context.performed)
            {
                _closestInteraction?.Interaction();
            }
            else if (context.canceled)
            {
                _closestInteraction?.CancelInteraction();
            }
        }
        
        public void OnDevelopKey01(InputAction.CallbackContext context)
        {
            EventManager.InvokeCreateServerCrew();
            EventManager.InvokeCreateCleanerCrew();
            EventManager.InvokeCreateBartenderCrew();
        }

        #endregion

        #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)
            {
                if (!interaction.CanInteraction()) continue;
                
                var distance = Vector3.Distance(transform.position, interaction.CenterTransform.position);
                if (distance > interaction.InteractionRadius || distance >= closestDistance) continue;
                
                closestDistance = distance;
                closestInteraction = interaction;
            }

            return closestInteraction;
        }
        
        #endregion
    }
}