using System.Collections;
using BlueWaterProject.Type;
using PixelCrushers.DialogueSystem;
using UnityEngine;
using UnityEngine.InputSystem;
using DialogueSystemTrigger = PixelCrushers.DialogueSystem.Wrappers.DialogueSystemTrigger;

// ReSharper disable once CheckNamespace
namespace BlueWaterProject
{
    [RequireComponent(typeof(Rigidbody))]
    public class TycoonPlayer : MonoBehaviour
    {
        private float characterSpeed;
        private Transform interactionTarget;
        private Transform visualLook;
        private Rigidbody rb;
        //test character ani TODO : 나중에 스파인으로 바꾸고 삭제
        public SpriteRenderer spriteRenderer;
        public Sprite sideSprite;
        public Sprite backSprite;
        public Sprite frontSprite;
        //test character ani
        
        protected PlayerInput playerInput;
        protected Vector2 movementInput;
        
        public ProximitySelector ProximitySelector { get; set; }

        private void Init()
        {
            characterSpeed = 10;
            visualLook = transform.Find("UnitRoot");
            ProximitySelector = GetComponent<ProximitySelector>();
            rb = GetComponent<Rigidbody>();
            spriteRenderer = visualLook.GetComponent<SpriteRenderer>();
            playerInput = GetComponent<PlayerInput>();
        }

        private void Awake()
        {
            Init();
        }

        private void Start()
        {
            ProximitySelector.enabled = false;
        }

        private void FixedUpdate()
        {
            MoveCharacterPlayer();
        }
        
        public void OnMove(InputValue value) // WASD
        {
            movementInput = value.Get<Vector2>();
        }

        private void OnMouse0(InputValue value)
        {
            
        }

        private void OnInteraction(InputValue value)
        {
            
        }
        
        private void OnCancel(InputValue value)
        {
            
        }

        private void MoveCharacterPlayer()
        {
            var extraGravityForce = (Physics.gravity * rb.mass) * 2f;
            rb.AddForce(extraGravityForce);
            
            Vector3 movement = Vector3.zero;
            
            movement = transform.rotation * new Vector3(movementInput.x, 0, movementInput.y) *
                           (characterSpeed * Time.deltaTime);
            
            gameObject.transform.position += movement;
            
            
            var localScale = visualLook.localScale;       
            // 왼쪽
            if (movement.x < 0)
            {
                localScale.x = Mathf.Abs(localScale.x);
                spriteRenderer.sprite = sideSprite;
            }
            // 오른쪽
            else if (movement.x > 0)
            {
                localScale.x = -Mathf.Abs(localScale.x);
                spriteRenderer.sprite = sideSprite;
            }
            // 뒤로
            else if (movement.z > 0)
            {
                spriteRenderer.sprite = backSprite;
            }
            // 앞으로
            else if (movement.z < 0)
            {
                spriteRenderer.sprite = frontSprite;
            }
            visualLook.localScale = localScale;
            
            // var movement = transform.rotation * new Vector3(-movementInput.y, 0, movementInput.x) * (characterSpeed * Time.deltaTime);
            // rb.MovePosition(rb.position + movement);
        }
        
        private IEnumerator MoveCharacterToPosition(Vector3 position, float scaleX)
        {
            var elapsedTime = 0f;
            var duration = 1f;  // 이동에 걸리는 시간 (초)
            var startingPosition = transform.position;

            // 방향 즉시 변경
            visualLook.localScale = new Vector3(scaleX, visualLook.localScale.y, visualLook.localScale.z);

            while (elapsedTime < duration)
            {
                transform.position = Vector3.Lerp(startingPosition, position, elapsedTime / duration);
                elapsedTime += Time.deltaTime;
                yield return null;
            }

            transform.position = position;
        }


        public void GotoShipDeck()
        {
            var point = GameManager.Inst.ShipPlayer.transform.Find("TeleportPoint");
            transform.position = point.position;
        }
        
        public void StartInteraction(Transform target)
        {
            ProximitySelector.enabled = false;
            interactionTarget = target;
            interactionTarget.GetComponent<InShipNpc>()?.ChangeStateToInteraction();

            var targetPosition = interactionTarget.position;
            var playerPosition = transform.position;

            var directionToTarget = (targetPosition - playerPosition).normalized;

            // 캐릭터가 NPC의 왼쪽 또는 오른쪽에 있는지 확인
            var crossProduct = Vector3.Cross(directionToTarget, transform.forward).y;

            Vector3 desiredPosition;
            float desiredScaleX;  // 캐릭터의 방

            if (crossProduct > 0)  // 캐릭터가 NPC의 왼쪽에 있는 경우
            {
                desiredPosition = targetPosition + interactionTarget.right * 2f;
                desiredScaleX = 1f;  // 오른쪽을 바라봄
            }
            else  // 캐릭터가 NPC의 오른쪽에 있는 경우
            {
                desiredPosition = targetPosition + interactionTarget.right * -2f;
                desiredScaleX = -1f;  // 왼쪽을 바라봄
            }

            // 장애물 감지
            if (Physics.Raycast(playerPosition, (desiredPosition - playerPosition).normalized, Vector3.Distance(playerPosition, desiredPosition), LayerMask.GetMask("Obstacle")))
            {
                // 장애물이 감지되면, 반대쪽으로 이동
                desiredPosition = crossProduct > 0 ? targetPosition + interactionTarget.right * -2f : targetPosition + interactionTarget.right * 2f;
                desiredScaleX = -desiredScaleX;  // 방향을 반전
            }

            // 캐릭터를 원하는 위치와 방향으로 부드럽게 이동 및 회전
            StartCoroutine(MoveCharacterToPosition(desiredPosition, desiredScaleX));
            UiManager.Inst.InShipInteraction.gameObject.SetActive(true);
        }
        
        public void StartConversation()
        {
            if (interactionTarget != null)
            {
                interactionTarget.GetComponent<DialogueSystemTrigger>().OnConversationStart(interactionTarget);
                UiManager.Inst.InShipInteraction.gameObject.SetActive(false);
            }
        }

        public void EndInteraction()
        {
            ProximitySelector.enabled = true;
            
            
            interactionTarget.GetComponent<InShipNpc>()?.RestoreState();
        }

        public void EndConversation()
        {
            UiManager.Inst.InShipInteraction.gameObject.SetActive(true);
            
        }
    }
}