using System.Collections;
using UnityEngine;

using RR.Game2D.Core;

namespace RR.Game2D.Entities.Platforms
{
    public class TriggeringPlatform : MonoBehaviour
    {
        [Header("Настройки движения платформы")]
        [SerializeField] private float moveSpeed = 3f;
        [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 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);
        }

        public void Move()
        {
            StopAllCoroutines();
            StartCoroutine(MovePlatform(_endPosition));
        }

        public void MoveBack()
        {
            StopAllCoroutines();
            StartCoroutine(MovePlatform(_startPosition));
        }
        
        private IEnumerator MovePlatform(Vector3 targetPosition)
        {
            while (transform.position != targetPosition)
            {
                transform.position = Vector3.MoveTowards(
                    transform.position,
                    targetPosition,
                    Time.deltaTime * moveSpeed);
                yield return null;
            }
            
            transform.position = targetPosition;
        }
    }
}