using UnityEngine;
using UnityEngine.InputSystem;

public class AmmoPickup : MonoBehaviour
{
    [Header("Настройки")]
    public int ammoAmount = 14;                // Сколько патронов дает коробка
    public bool pickupOnTouch = true;          // Подбирать автоматически при касании
    public float interactionDistance = 2.5f;   // Дистанция для подбора по клавише E
    public AudioClip pickupSound;              // Звук подбора

    [Header("Анимация парения")]
    public bool animateBobbing = true;
    public float rotationSpeed = 45f;
    public float bobSpeed = 2f;
    public float bobHeight = 0.1f;

    private Vector3 startPos;
    private bool isCollected = false;

    void Start()
    {
        startPos = transform.position;
    }

    void Update()
    {
        if (isCollected) return;

        // Анимация вращения и легкого покачивания
        if (animateBobbing)
        {
            transform.Rotate(Vector3.up, rotationSpeed * Time.deltaTime, Space.World);
            float newY = startPos.y + Mathf.Sin(Time.time * bobSpeed) * bobHeight;
            transform.position = new Vector3(startPos.x, newY, startPos.z);
        }

        // Если не автоматический подбор, проверяем дистанцию до игрока и нажатие клавиши E
        if (!pickupOnTouch && Keyboard.current != null && Keyboard.current.eKey.wasPressedThisFrame)
        {
            var playerGun = FindAnyObjectByType<PlayerGun>();
            if (playerGun != null)
            {
                float dist = Vector3.Distance(transform.position, playerGun.transform.position);
                if (dist <= interactionDistance)
                {
                    TryPickup(playerGun);
                }
            }
        }
    }

    private void OnTriggerEnter(Collider other)
    {
        if (isCollected || !pickupOnTouch) return;

        PlayerGun playerGun = other.GetComponentInParent<PlayerGun>();
        if (playerGun != null)
        {
            TryPickup(playerGun);
        }
    }

    private void TryPickup(PlayerGun playerGun)
    {
        if (playerGun == null) return;

        bool added = playerGun.AddAmmo(ammoAmount);
        if (added)
        {
            isCollected = true;

            if (pickupSound != null)
            {
                AudioSource.PlayClipAtPoint(pickupSound, transform.position, 1.0f);
            }

            Debug.Log($"<color=green>[Подбор] Взята коробка патронов (+{ammoAmount})!</color>");
            Destroy(gameObject);
        }
        else
        {
            Debug.Log("[Подбор] Боезапас уже полон!");
        }
    }
}