/****************************************************
 文件：Assets/Code/Scripts/Gameplay/UI/UI_BuyEnergyController.cs
 作者：yuntao-Hu
 时间：2024/5
 描述：补充体力UI界面
 说明：
 *****************************************************/


using System.Collections;
using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.UIElements;
using Button = UnityEngine.UI.Button;
using Image = UnityEngine.UI.Image;
using Toggle = UnityEngine.UI.Toggle;
using ScrollView = PhxhSDK.PhxhScrollView;
using Framework;
using System;
using Gameplay;
using Cysharp.Threading.Tasks;
using UnityEngine.Events;
using System.Threading;
using static UnityEngine.Rendering.DebugUI;
using Gameplay.Net;
using Gameplay.Common;
using cfg.ActorCfg;
using PhxhSDK;
using LeanCloud.Realtime.Internal.Protocol;
using static UI_BuyEnergyController;


public class UI_BuyEnergyController : UIWindow
{
    #region enum
    /// <summary>
    /// 补充体力方式 ( 与窗口内顺序对应 )
    /// </summary>
    public enum RechargeMethod
	{
		Recharge_byItem,
        Recharge_byCurrency
    }//TODO 考虑后续以json方式存储补充体力方式信息
    #endregion

	#region Temporary_Constant
    private const int DEFAULT_USAGE_AMOUNT = 1;//默认使用数目,使用时的最小量
    /// <summary>
    /// 体力药物品ID
    /// </summary>
    private const int ENERGY_ITEM_ID = 8;//TODO 体力药物品ID，考虑加入globalconfig

    private readonly int[] itemIDs = { ENERGY_ITEM_ID, GLConfig.Inst.data.DiamondItemId };//TODO 考虑后续将补充体力方式改为json配置后需要调整传参
    #endregion

    #region UI GameObj
    //UI GameObj
    ///Auto Gen Start///
    public Image Image_BG;
	public TMP_Text Text_Title;
	public TMP_Text Text_Currency;
	public Button Button_Close;
	public Image Image_DetailBG;
	public TMP_Text Text_Detail;
	public Image Image_BtnBar;
	public TMP_InputField Text_NumInputField;
	public Button Button_Min;
	public Image Image_Min;
	public TMP_Text Text_Min;
	public Button Button_Minus;
	public Button Button_Max;
	public Image Image_Max;
	public TMP_Text Text_Max;
	public Button Button_Plus;
	public Image Image_ItemBG;
	public Image Image_ItemRect;
	public Image Image_MovePoint;
	public Image Image_Arrow;
	public TMP_Text Text_NowCount;
	public TMP_Text Text_AfterCount;
	public Button Button_Return;
	public TMP_Text Text_Return;
	public Button Button_Buy;
	public TMP_Text Text_Buy;

    ///Auto Gen End///
    private RawImage rawImageGaussianBlurMask;
    #endregion



    #region class

    class MethodButtonObj: UIGameObjectWrapper
    {
        private GameObject chosenCircle;
        private TextMeshProUGUI itemAmountText;
        private Image buttonIcon;

        //TODO 考虑后续，将补充体力方式改为json配置后，可能需要调整传参
        public MethodButtonObj(GameObject root, int i, int itemID, bool isScaleShow = true) : base(root, i, isScaleShow)
        {
            chosenCircle = FindObj("ChooseRect");
            itemAmountText = GetComponent<TextMeshProUGUI>("ImageCount/TextCount");
            buttonIcon = GetComponent<Image>("ItemIcon");
            RefreshIcon(itemID);
        }

        public void BindListener(Action callback)
        {
            BindButton(GameObject.GetComponent<Button>(), callback);
        }

        async void RefreshIcon(int itemID)
        {
            var spritePath = CommonUtils.GetItemPath(itemID);
            buttonIcon.sprite = await LoadAssetAsync<Sprite>(spritePath);
        }

        public void SetChosen(bool isChosen)
        {
            chosenCircle.SetActive(isChosen);
        }

        public void SetItemAmount(uint amount)
        {
            itemAmountText.text = amount.ToString();
        }

        public void SetActive(bool isActive)
        {
            GameObject.SetActive(isActive);
        }
    }

    #endregion

    #region Button_Listener
    public void OnClickClose()
    {
        CloseWindow();
    }

    public void OnMinClick()
    {
        SetUsageAmountAndRefresh(DEFAULT_USAGE_AMOUNT);
    }

    public void OnMinusClick()
    {
        if (m_UsageAmount > DEFAULT_USAGE_AMOUNT)
        {
            m_UsageAmount--;
            SetUsageAmountAndRefresh(m_UsageAmount);
        }
    }

    public void OnMaxClick()
    {
        SetUsageAmountAndRefresh(MaxConsumeAmountWithoutConvert());
    }

    public void OnPlusClick()
    {
        if (m_UsageAmount < MaxConsumeAmountWithoutConvert())
        {
            m_UsageAmount++;
            SetUsageAmountAndRefresh(m_UsageAmount);
        }
    }

    public void OnReturnClick()
    {
        CloseWindow();
    }

    public void OnBuyClick()
    {
        if (m_UsageAmount <= MaxConsumeAmountWithoutConvert() && m_UsageAmount > 0)
        {
            EnergyManager.Instance.BuyEnergy(itemIDs[(int)m_RechargeMethod], (uint)m_UsageAmount);
            CloseWindow();
        }
        else
        {
#if UNITY_EDITOR
            DebugUtil.Log("购买体力数目超出可选择范围！");
#endif
            CommonUtils.ShowMessageTips(CommonUtils.GetLocalizeText("BuyEnergy_failed"));
        }
    }
    #endregion

    private List<MethodButtonObj> rechargeMethodButtons = new List<MethodButtonObj>();
    private Dictionary<RechargeMethod, uint> storageItemCount = new Dictionary<RechargeMethod, uint>();

    private uint m_CurrEnergy;
	private int m_UsageAmount;

    private RechargeMethod m_RechargeMethod;

    /// <summary>
    /// 打开购买体力界面
    /// </summary>
    public static async UniTask<UIWindow> Open()
    {
        CommonUtils.CaptureScreenshot();

        return await UIManager.Instance.CreateAndOpenWindow(UINameConst.UI_BuyEnergy);
    }

    // deal with input data
    public override void PreLoad(object data = null)
    {
        
    }
    
	// Use this for initialization
	public override void OnInit()
	{
		//bind UI GameObj
		UI_BuyEnergyBinder.GetComponents(this);

        rawImageGaussianBlurMask = GetComponent<RawImage>("GaussianBlurMask");
        rawImageGaussianBlurMask.texture = CommonUtils.screenTexture;

        GetStorageFromServer();
		BindButton();
		BindInputFieldListener();
		InitEnergyRefreshTimer();


    }

    /// <summary>
    /// 根据体力刷新情况即时更新界面内体力数目显示
    /// </summary>
	void InitEnergyRefreshTimer()
	{
        m_CurrEnergy = EnergyManager.Instance.GetNowEnergy();

        EventManager.Instance.Register<uint>(EventManager.EventName.ItemChange, OnItemChange);
    }
    private void OnItemChange(uint itemId)
    {
        if ((int)itemId != GLConfig.Inst.data.EnergyPointID)
            return;

        m_CurrEnergy = EnergyManager.Instance.GetNowEnergy();
        int consume = EnergyManager.Instance.GetConvertConsumes(itemIDs[(int)m_RechargeMethod], m_UsageAmount);
        int recharge = EnergyManager.Instance.GetConvertRecharges(itemIDs[(int)m_RechargeMethod], m_UsageAmount);
        RefreshDetailText(consume, recharge);
    }

    void BindInputFieldListener()
	{
		Text_NumInputField.onEndEdit.AddListener(SnapInputToStep);
    }
    /// <summary>
    /// 由于货币输入框输入的数值不一定是阶梯值，需要对输入的数值做向下取整到阶梯值
    /// </summary>
    /// <param name="inputAmount"></param>
    void SnapInputToStep(string inputAmount)
	{
        int parsedValue;
		if (int.TryParse(inputAmount, out parsedValue))
		{
            // 对输入的数据做向下取整到阶梯值
            int snappedValue = (int)(parsedValue / EnergyManager.Instance.GetConvertConsumes(itemIDs[(int)m_RechargeMethod]));
			if (snappedValue < DEFAULT_USAGE_AMOUNT)
			{
				snappedValue = DEFAULT_USAGE_AMOUNT;
			}
            if (snappedValue > MaxConsumeAmountWithoutConvert())
            {
				snappedValue = MaxConsumeAmountWithoutConvert();
            }

            m_UsageAmount = snappedValue;
			SetUsageAmountAndRefresh(m_UsageAmount);
		}
		else
		{
			DebugUtil.LogError("错误输入内容，已舍弃");
			SetUsageAmountAndRefresh(m_UsageAmount);
		}
    }
    /// <summary>
    /// 注意先初始化storageItemCount字典，再绑定按钮
    /// </summary>
    void BindButton()
	{
		BindMethodButton();

		Button_Buy.onClick.AddListener(OnBuyClick);
		Button_Close.onClick.AddListener(OnClickClose);
        Button_Min.onClick.AddListener(OnMinClick);
        Button_Minus.onClick.AddListener(OnMinusClick);
        Button_Max.onClick.AddListener(OnMaxClick);
		Button_Plus.onClick.AddListener(OnPlusClick);
        Button_Return.onClick.AddListener(OnReturnClick);
    }

    /// <summary>
    /// 注意先初始化storageItemCount字典，再绑定补充体力方式选择按钮
    /// </summary>
	void BindMethodButton()
	{
        //体力补充方式选择按钮
        ScrollView methodButtonView = Image_ItemBG.GetComponentInChildren<ScrollView>();
		if (methodButtonView == null)
		{
			DebugUtil.LogError("体力补充方式按钮列表获取失败！");
			return;
		}
		else
		{
            GameObject buttonPrefab = null;
			foreach (Transform buttonGameObj in methodButtonView.content)
			{
                buttonGameObj.gameObject.SetActive(false);

                if (buttonGameObj.GetComponent<Button>() != null)
                    buttonPrefab = buttonGameObj.gameObject;
            }

            for (int i = 0; i < Enum.GetValues(typeof(RechargeMethod)).Length; i++)
            {
                var methodButton = new MethodButtonObj(buttonPrefab, i, itemIDs[i]);
                methodButton.SetActive(true);
                rechargeMethodButtons.Add(methodButton);

                RechargeMethod method = (RechargeMethod)i;
                methodButton.BindListener(() =>
                {
                    if (method != m_RechargeMethod)
                        OnChooseMethod(method);
                });

                if (storageItemCount.ContainsKey(method))
                    methodButton.SetItemAmount(storageItemCount[method]);
                else
                    DebugUtil.LogError("未找到" + method.ToString() + "对应的物品数目！检查正确性或是否初始化storage字典");
            }
		}
	}

	//invoke when open window
	protected override void OnShowWindow(object data = null)
	{

        //TODO 后续补充体力方式增加后，可能要考虑其他物品
        if (isItemRemained(RechargeMethod.Recharge_byItem))
        {
            OnChooseMethod(RechargeMethod.Recharge_byItem);
        }
        else
        {
            HideMethodButton(RechargeMethod.Recharge_byItem);
            OnChooseMethod(RechargeMethod.Recharge_byCurrency);
        }				

		SetUsageAmountAndRefresh(amount: DEFAULT_USAGE_AMOUNT);
	}

	void HideMethodButton(RechargeMethod method)
    {
        if((int)method < rechargeMethodButtons.Count)
		{
			rechargeMethodButtons[(int)method].SetActive(false);
		}
		else
		{
			DebugUtil.LogError("不存在" + method.ToString() + "对应的按钮！");
		}
    }

    //invoke when reload window
    protected override void OnReloadWindow(object data = null)
	{
		
	}
	
	//invoke when close window
	protected override void OnHideWindow()
	{
		
	}
	
	//invoke when destroy
	public override void OnRelease()
	{
        foreach(var btn in rechargeMethodButtons)
        {
            btn.Dispose();
        }
        EventManager.Instance.Unregister<uint>(EventManager.EventName.ItemChange, OnItemChange);
        base.OnRelease();
	}   

    /// <summary>
    /// 初始化补充体力物品数目
    /// </summary>
    void GetStorageFromServer()
	{
        //storageItemCount字典查找物品数目，为后续扩展
        uint m_ItemAmount = Actor.Instance.Item.GetItemCount(ENERGY_ITEM_ID);
        if (!storageItemCount.ContainsKey(RechargeMethod.Recharge_byItem))
		{
			storageItemCount.Add(RechargeMethod.Recharge_byItem, m_ItemAmount);
		}

		uint m_CurrencyAmount = Actor.Instance.Item.GetItemCount(GLConfig.Inst.data.DiamondItemId);
        if (!storageItemCount.ContainsKey(RechargeMethod.Recharge_byCurrency))
		{
			storageItemCount.Add(RechargeMethod.Recharge_byCurrency, m_CurrencyAmount);
		}
	}

    /// <summary>
    /// 体力药是否剩余(可用于判断初始化时的补充体力方式)
    /// </summary>
    /// <returns></returns>
    bool isItemRemained(RechargeMethod method)
    {
        if (storageItemCount.ContainsKey(method))
            return storageItemCount[method] > 0;
        else
        {
            DebugUtil.LogError("未找到" + method.ToString() + "对应的物品数目！检查正确性或是否初始化storage字典");
            return false;
        }
    }
    /// <summary>
    /// 选中补充体力方式Button
    /// </summary>
    /// <param name="chosenMethod"></param>
    void OnChooseMethod(RechargeMethod chosenMethod)
	{
		MethodButtonObj preChosenButton = rechargeMethodButtons[(int)m_RechargeMethod];
        MethodButtonObj curChosenButton = rechargeMethodButtons[(int)chosenMethod];

        m_RechargeMethod = chosenMethod;

        preChosenButton.SetChosen(false);
        curChosenButton.SetChosen(true);

        //切换按钮后，重置界面内相关数目显示
        SetUsageAmountAndRefresh(amount: DEFAULT_USAGE_AMOUNT);
    }

    /// <summary>
    /// 获取当前选中状态下的最大消耗数目(实际数据需要乘比例转化)
    /// </summary>
    /// <returns></returns>
    int MaxConsumeAmountWithoutConvert()
	{
        //道具数目限制
		uint AmountInStorage = storageItemCount[m_RechargeMethod];
		int maxConsumeRate = (int)(AmountInStorage / EnergyManager.Instance.GetConvertConsumes(itemIDs[(int)m_RechargeMethod]));

        //体力上限限制
        DataItem energyData = TableManager.Instance.Tables.Item.Get(GLConfig.Inst.data.EnergyPointID);
        uint energyToMax = (uint)energyData.MaxCount - m_CurrEnergy;
        int maxConsumeRateByEnergy = (int)(energyToMax / EnergyManager.Instance.GetConvertRecharges(itemIDs[(int)m_RechargeMethod]));

        return Math.Min(maxConsumeRate, maxConsumeRateByEnergy);
    }

    /// <summary>
    /// 设定使用数目，并刷新界面内相关数目显示
    /// </summary>
    /// <param name="amount"></param>
    void SetUsageAmountAndRefresh(int amount)
    {
        m_UsageAmount = amount;

        int consume = EnergyManager.Instance.GetConvertConsumes(itemIDs[(int)m_RechargeMethod], m_UsageAmount);
        int recharge = EnergyManager.Instance.GetConvertRecharges(itemIDs[(int)m_RechargeMethod], m_UsageAmount);
        RefreshDetailText(consume, recharge);
    }

	/// <summary>
	/// 刷新文字显示
	/// </summary>
	/// <param name="consume">实际道具消耗显示数</param>
	/// <param name="recharge">转化体力数量</param>
	void RefreshDetailText(int consume,int recharge)
	{
		uint curEnergy = m_CurrEnergy;

        Text_NumInputField.text = consume.ToString();
        Text_NowCount.text = curEnergy.ToString();
        Text_AfterCount.text = (curEnergy + recharge).ToString(); 

        //TODO 配置对应消耗物的json数据
        DataItem dataItem = TableManager.Instance.Tables.Item.Get(ENERGY_ITEM_ID);
		DataItem diamond = TableManager.Instance.Tables.Item.Get(GLConfig.Inst.data.DiamondItemId);
		string[] itemNames = { "个" + CommonUtils.GetLocalizeText(dataItem.NameLocal), CommonUtils.GetLocalizeText(diamond.NameLocal) };

        Text_Detail.text = CommonUtils.GetLocalizeText("BuyEnergy_tips", consume, itemNames[(int)m_RechargeMethod], recharge);


    }
}