using KTGMGemClient;
using System;
using TMPro;
using TowerDefense.Level;
using TowerDefense.Towers.Placement;
using UnityEngine;
using UnityEngine.UI;

/// <summary>
/// 当前类用于开启新的TowerPlacementGrid，用于无尽模式。当前类附加在对应的购买开启按钮上。
/// </summary>
public class EndlessTowerGridOpen : MonoBehaviour
{
    // 当前Button对应的Cash Text数据
    public TextMeshProUGUI cashText;

    // 当前Button对应的image.
    public Image mImage;

    // 当前的Grid按钮对应的xy坐标.
    protected int gridX;

    protected int gridY;

    /// <summary>
    /// 是否处于等待开启的状态.
    /// </summary>
    protected bool bWaitOpen;

    protected float waitOpenCDTime;

    // 对应放置TowerGrid的类.
    protected TowerPlacementGridEndless towerGrid;

    private bool isOpenTower = false;

    // Start is called before the first frame update
    void Start()
    {
        bWaitOpen = false;
    }

    public void SetBuyBtnInfo(int x, int y, TowerPlacementGridEndless tpg)
    {
        gridX = x;
        gridY = y;
        towerGrid = tpg;
    }

    /// <summary>
    /// 当前类附加的按钮被点击，需要开启当前按钮所在的塔位.
    /// </summary>
    public void OnClick()
    {
        if (bWaitOpen) return;

        if (GameConfig.IsNewbie)
        {
            if (!GameConfig.CanOpenNewTower) return;

            if (!isOpenTower)
            {
                isOpenTower = true;
                EventCenter.Ins.BroadCast((int)KTGMGemClient.EventType.GetOneTowerPos);
            }
        }


        if (towerGrid != null)
        {
            float cashToOpen = TowerPlacementGridEndless.GRID_OPENCASH;
            if (EndlessLevelManager.instance.Currency.currentCurrency < cashToOpen)
                return;

            // 减少Cash并开启相应塔防管理器的兵线
            bool bsucc = EndlessLevelManager.instance.Currency.TryPurchase((int)cashToOpen);

            if (bsucc)
            {
                ++GameConfig.EndlessOpenAttackTowerCount;
                towerGrid.updateGridOpenCoin(gridX, gridY);
                if (mImage)
                    mImage.color = new Color(1.0f, 1.0f, 1.0f, 0.0f);

                bWaitOpen = true;
                waitOpenCDTime = JsonDataCenter.GRIDOPEN_CDTIME;
                Vector3 tpos = cashText.transform.position;
                tpos.y += 20;
                cashText.transform.position = tpos;
                SetWaitOpenTime();
            }
        }
    }

    /// <summary>
    /// 删除当前的界面.
    /// </summary>
    public void Release()
    {
        GameObject.Destroy(gameObject);
    }

    protected void SetWaitOpenTime()
    {
        string distime = ((int)Math.Ceiling(waitOpenCDTime)).ToString() + "s";
        cashText.text = distime;
    }

    // Update is called once per frame
    void Update()
    {
        if (bWaitOpen)
        {
            waitOpenCDTime -= Time.deltaTime;
            if (waitOpenCDTime <= 0)
            {
                // 购买当前的格子.
                towerGrid.BuyTowerGrid(gridX, gridY);
                Release();
                return;
            }
            SetWaitOpenTime();
        }
    }
}