using System;
using RR.Game2D.Core;
using UnityEngine;

namespace RR.Game2D.Entities
{
    public class MovingPlatform : MonoBehaviour
    {
        [Header("Настройки движения платформы")]
        [SerializeField] private float moveSpeed = 1f;
        [SerializeField] private float pathLength = 5f;
        [SerializeField] private Direction2D moveDirection = Direction2D.Right;
        
        [Header("Прикрепление игрока")]
        [SerializeField] private bool attachPlayer = true;
        
        private Vector3 _startPosition;
        private Vector3 _endPosition;
        
        private void Awake()
        {
            _startPosition = transform.position;

            _endPosition = moveDirection switch
            {
                Direction2D.Down => _startPosition + Vector3.down * pathLength,
                Direction2D.Left => _startPosition + Vector3.left * pathLength,
                Direction2D.Right => _startPosition + Vector3.right * pathLength,
                Direction2D.Up => _startPosition + Vector3.up * pathLength,
                _ => _startPosition
            };
        }

        private void FixedUpdate()
        {
            float pingPong = Mathf.PingPong(Time.time * moveSpeed, 1f);
            transform.position = Vector3.Lerp(_startPosition, _endPosition, pingPong);
        }

        private void OnCollisionEnter2D(Collision2D other)
        {
            if (!attachPlayer) return;
            if (!other.gameObject.CompareTag("Player")) return;
            other.transform.SetParent(transform);
        }

        private void OnCollisionExit2D(Collision2D other)
        {
            if (!attachPlayer) return;
            if (!other.gameObject.CompareTag("Player")) return;
            other.transform.SetParent(null);
        }
    }
}