using UnityEngine.UI;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using TMPro;
public class SelectedItemMenu : MonoBehaviour
{
    public Text nameTxt;
    public Button upgradeMenuBtn;
    public Button infoBtn;
    public CollectBtn collectBtn;
    public Button joinHallBtn;
    public Button repairRocketsBtn;

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

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

    [Header("Special buildings")]
    public BuildingData mainHall;
    public BuildingData rocketRepair;

    void Start()
    {
        Selector.OnSelectedChanged.AddListener(OnSelectionChanged);
        upgradeMenuBtn.onClick.AddListener(OnUpgradeMenuClicked);
        infoBtn.onClick.AddListener(OnInfoClicked);
        upgradeBtn.onClick.AddListener(OnUpgrade);
        collectBtn.btn.onClick.AddListener(OnCollect);
    }

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


            if(Selector.selectedData.collectable){
                collectBtn.gameObject.SetActive(true);
                Debug.Log("Last collected : " +Selector.selectedBuilding.lastCollected );
                collectBtn.Set(Selector.selectedBuilding.lastCollected,Selector.selectedData.productinoRates[Selector.selectedBuilding.curLevel]);
            }else{
                collectBtn.gameObject.SetActive(false);
            }

            joinHallBtn.gameObject.SetActive((Selector.selectedData == mainHall));
            repairRocketsBtn.gameObject.SetActive((Selector.selectedData == rocketRepair));
        }
        else
        {
            upgradeMenuBtn.gameObject.SetActive(false);
            infoBtn.gameObject.SetActive(false);
            collectBtn.gameObject.SetActive(false);
            joinHallBtn.gameObject.SetActive(false);
            repairRocketsBtn.gameObject.SetActive(false);
        }

        upgradeMenu.SetActive(false);
        infoMenu.SetActive(false);
    }

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

        upgradeMenu.SetActive(true);

        if (Selector.selectedBuilding.curLevel < Selector.selectedData.levels.Count - 1)
        {
            upgradeBtn.interactable = (Selector.selectedData.levels[Selector.selectedBuilding.curLevel + 1].price < DBmanager.Coins);
          upgradeBtn.GetComponentInChildren<TMP_Text>().text = Selector.selectedData.levels[Selector.selectedBuilding.curLevel + 1].price.ToString();
            
        }
        else
        {
            upgradeBtn.interactable = false;
            upgradeBtn.GetComponentInChildren<TMP_Text>().text = "MAX!";
      
            Debug.Log("Already max");
        }

        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;
            }
        }

        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 OnUpgrade()
    {
        upgradeBtn.interactable= false;
        Selector.selectedBuilding.Upgrade();
        OnUpgradeMenuClicked();
    }

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

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

    void OnCollect(){
        Debug.Log("Collecting from : " + Selector.selectedData.buildingName);
    }

}