using System;
using UnityEngine;
using UnityEngine.UI;
using TMPro;


public class BuyListing : MonoBehaviour
{
    [SerializeField] private TMP_Text itemLevelText;
    [SerializeField] private TMP_Text itemNameText;

    [SerializeField] private TMP_Text costText;
    [SerializeField] private Image itemImage;
    [SerializeField] private TMP_Text itemAmountText;
    
    [SerializeField] private TMP_Text soldByText;

    [SerializeField] private Button buyButton; 
    private TMP_Text buyButtonText;
    
    [SerializeField] private Slider buyListingAmountSlider;
    [SerializeField] private TMP_Text buyListingAmountText;


    private int itemID;
    private int itemCost;
    private int itemAmount;
    private string sellerName;
    private int totalPurchaseCost;
    private int totalPurchaseAmount = 1;
    private void Awake()
    {
        totalPurchaseAmount = 1;
        buyListingAmountSlider.minValue = 1;
        buyListingAmountSlider.value = 1;
        buyButton.onClick.AddListener(HandleBuy);
        buyListingAmountSlider.onValueChanged.AddListener(HandleAmountSlider);
        buyButtonText = buyButton.transform.GetChild(0).GetComponent<TMP_Text>();
        HandleAmountSlider(1);
    }

    public void SetData(int itemID, string itemLevel, string itemName, int itemCost, int itemAmount, string soldByName = "")
    {
        itemLevelText.text = itemLevel;
        itemNameText.text = itemName;
        costText.text = itemCost.ToString();
        itemAmountText.text = "x" + itemAmount;
        soldByText.text = "Sold By: " + soldByName;
        itemImage.sprite = UIManager.Instance.RenderItem(itemID);

        this.itemID = itemID;
        this.itemCost = itemCost;
        this.itemAmount = itemAmount;
        this.sellerName = soldByName;

        buyListingAmountSlider.maxValue = itemAmount > 24 ? 24 : itemAmount;
        buyButton.interactable = true;
        
        //enable the center container after values assigned. (no popping)
        UIManager.Instance.WeaponExchangeController.GetCenterContainer().SetActive(true);
    }

    private void HandleAmountSlider(float value)
    {
        ItemDef itemDef = ItemDef.GetInstance();
        string itemLevel = itemDef.getItemLevel(itemID);
        string itemName = itemDef.getItemName(itemID);
        buyListingAmountText.SetText($"Amount To Buy: {value}");
        buyButtonText.SetText($" Buy {value} of {itemLevel} {itemName} for {itemCost * value} Divi");
        totalPurchaseCost = itemCost;
        totalPurchaseAmount = (int)value;
    }

    private void HandleBuy()
    {
        PacketManager.sendChatMessage($"/buy {sellerName} {itemID} {totalPurchaseAmount} {this.itemCost}");
        buyButton.interactable = false;
        buyButtonText.SetText("Please Confirm Purchase On Your DiviGO Wallet.");
    }
}