using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using TMPro;
public class TradingPost : MonoBehaviour
{
    public Building building;

    public TMP_Text txtMetalAmount;
    public TMP_Text txtGoldAmount;
    public Slider metalSlider;
    // public Slider metalSlider;
    public TMP_Text warningTxt;
    public Button tradeButton;
    void Start()
    {
        metalSlider.onValueChanged.AddListener(OnGoldChanged);
        tradeButton.onClick.AddListener(OnTrade);
        Refresh();
    }

    public void Show(){
        gameObject.SetActive(true);
        Refresh();
    }

    public void Hide(){
        gameObject.SetActive(false);
    }

    
    int metalCount = 10;
    public int goldCount => goldPerMetal * metalCount /10;
    public int goldPerMetal => (int)(float.Parse(building.buildingData.levels[building.curLevel].stats[0].value) * 10);
    
    void OnGoldChanged(float value){
        Refresh();
    }

    void OnTrade(){
        MessageDialog.instance.ShowQuestion("Are you sure?", $"You are about to trade <b>{metalCount} Energy</b> for <b>{goldCount} Coins</b>", OnYes:OnTradeConfirmed, OnNo:()=>{});
    }

    void OnTradeConfirmed(){
        if(Refresh()==1){
            MessageDialog.instance.ShowMessage("Error", "You need to have atleast 10 golds to trade.");
            return;
        }
        Hide();
        DBmanager.SetCoins(DBmanager.Coins + goldCount);
        DBmanager.SetMetal(DBmanager.Metal - metalCount);
    }

    public int Refresh(){
        if(DBmanager.Metal < 10){
            warningTxt.text = "You need atleast 10 golds to trade";
            tradeButton.interactable = false;
            metalSlider.interactable = false;
            txtGoldAmount.text = "0";
            txtMetalAmount.text = "0";
            return 1;
        }
        tradeButton.interactable = true;
        metalSlider.interactable = true;
        warningTxt.text = "";

        float selectedPart = (metalSlider.value/metalSlider.maxValue) * DBmanager.Metal;
        metalCount = ((int)selectedPart).RoundOff();

        
        if(metalCount > DBmanager.Coins){
            metalCount -= 10;
        }
        if(metalCount <= 0){
            metalCount =10;
        }
        txtMetalAmount.text = metalCount.ToString();

        txtGoldAmount.text = (goldCount).ToString();
        Debug.Log(building.curLevel);
        
        return 0;
    }

}