using UnityEngine.UI;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using TMPro;
public class SelectedItemMenu : MonoBehaviour
{
    public Text nameTxt;
    public Button upgradeBtn;
    public Button infoBtn;

    [Header("info menu")]
    public GameObject infoMenu;
    public TMP_Text descriptionTxt;

    [Header("upgrade menu")]
    public GameObject upgradeMenu;
    public Transform upgrade_statParent;
    public Transform price_statParent;


    void Start()
    {
        Selector.OnSelectedChanged.AddListener(OnSelectionChanged);
        upgradeBtn.onClick.AddListener(OnUpgradeClicked);
        infoBtn.onClick.AddListener(OnInfoClicked);
    }

    void OnSelectionChanged()
    {
        if (Selector.selectedBuilding != null)
        {
            infoBtn.gameObject.SetActive(true);
            if (Selector.selectedBuilding.buildingData.levels.Count <= 1)
            {
                upgradeBtn.gameObject.SetActive(false);
            }
            else
            {
                upgradeBtn.gameObject.SetActive(true);
            }
        }
        else
        {
            upgradeBtn.gameObject.SetActive(false);
            infoBtn.gameObject.SetActive(false);
        }
    }

    void OnUpgradeClicked()
    {
        Debug.Log("Opening Upgrade Menu for : " + Selector.selectedBuilding.buildingData.name);

        upgradeMenu.SetActive(true);
        List<BuildingStat> stats = Selector.selectedBuilding.buildingData.levels[Selector.selectedBuilding.curLevel].stats;
        for (int i = 0; i < upgrade_statParent.childCount; i++)
        {
            bool hasDataForThis = i < stats.Count;
            upgrade_statParent.GetChild(i).gameObject.SetActive(hasDataForThis);
            if (hasDataForThis)
            {
                upgrade_statParent.GetChild(i).GetChild(0).GetComponent<TMP_Text>().text = stats[i].name;
                upgrade_statParent.GetChild(i).GetChild(1).GetComponent<TMP_Text>().text = stats[i].value;
                // price_statParent.GetChild(1).GetComponent<TMP_Text>().text = stats[i].price;
                Debug.Log(price_statParent);
                
            }
        }
        if (upgrade_statParent.childCount > stats.Count)
        {
            Debug.LogError("Please add another slot for stats in upgrade menu.\nSlots not enough for " + Selector.selectedBuilding.buildingData.name + " , " + upgrade_statParent.childCount + " slots for " + stats.Count + " stats");
        }
    }

    void OnInfoClicked()
    {
        Debug.Log("Opening Info Menu for : " + Selector.selectedBuilding.buildingData.name);

        infoMenu.SetActive(true);
        descriptionTxt.text = Selector.selectedBuilding.buildingData.description;
    }
}