using UnityEngine;
using SoftKitty.InventoryEngine;
using SoftKitty;

public class GoldBagPickup : MonoBehaviour
{
    [Header("Gold Settings")]
    public int goldAmount = 50;
    public int currencyType = 0;
    
    [Header("Pickup Settings")]
    public bool autoPickup = true;
    public float pickupRadius = 2.5f;
    public float pickupDelay = 1f;
    
    [Header("Effects")]
    public ParticleSystem spawnParticles;
    public ParticleSystem pickupParticles;
    public AudioClip pickupSound;
    
    [Header("Visuals")]
    public bool enableBobbing = true;
    public float bobHeight = 0.3f;
    public float bobSpeed = 2f;
    public bool enableRotation = true;
    public float rotationSpeed = 90f;
    
    private Vector3 startPos;
    private Transform player;
    private bool pickedUp = false;
    private bool landed = false;
    
    void Start()
    {
        if (spawnParticles) spawnParticles.Play();
        
        GameObject playerObj = GameObject.FindWithTag("Player");
        if (playerObj) player = playerObj.transform;
        
        Invoke("LandGold", 1f);
    }
    
    void LandGold()
    {
        startPos = transform.position;
        landed = true;
        
        Rigidbody rb = GetComponent<Rigidbody>();
        if (rb) Destroy(rb);
        
        Collider col = GetComponent<Collider>();
        if (col) col.enabled = false;
    }
    
    void Update()
    {
        if (pickedUp || !landed) return;
        
        if (enableBobbing)
        {
            float y = startPos.y + Mathf.Sin(Time.time * bobSpeed) * bobHeight;
            transform.position = new Vector3(startPos.x, y, startPos.z);
        }
        
        if (enableRotation)
        {
            transform.Rotate(Vector3.forward, rotationSpeed * Time.deltaTime);
        }
        
        if (!player) return;
        
        float dist = Vector3.Distance(transform.position, player.position);
        if (dist <= pickupRadius)
        {
            if (autoPickup)
            {
                Pickup();
            }
            else if (Input.GetKeyDown(KeyCode.E))
            {
                Pickup();
            }
        }
    }
    
    void Pickup()
    {
        if (pickedUp) return;
        pickedUp = true;
        
        StartCoroutine(PickupWithDelay());
    }
    
    System.Collections.IEnumerator PickupWithDelay()
    {
        if (ItemManager.PlayerInventoryHolder != null)
        {
            ItemManager.PlayerInventoryHolder.AddCurrency(currencyType, goldAmount);
        }
        
        if (pickupParticles)
        {
            ParticleSystem fx = Instantiate(pickupParticles, transform.position, Quaternion.identity);
            Destroy(fx.gameObject, 2f);
        }
        
        if (pickupSound)
        {
            AudioSource.PlayClipAtPoint(pickupSound, transform.position);
        }
        else
        {
            try { SoundManager.Play2D("Loot"); } catch { }
        }
        
        // Show UI message (uncomment after setting up GoldPickupMessage in Canvas)
        GoldPickupNotifier.Show(goldAmount);
        
        yield return new WaitForSeconds(pickupDelay);
        
        Destroy(gameObject);
    }
    
    void OnDrawGizmosSelected()
    {
        Gizmos.color = Color.yellow;
        Gizmos.DrawWireSphere(transform.position, pickupRadius);
    }
}