/*-------------------------------------------------------------------------------------
--- 创建人: 
--- 描  述: 
--- 创建时间: 2022年8月10日
-------------------------------------------------------------------------------------*/
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using Game;
using Axibug.Event;
using System;
using TMPro;

/// <summary>
/// xx 功能界面
/// </summary>
public class UIInputNumChange : MonoBehaviour
{
	//UIAutoBuild_CtrlDefine
	//public InputField iptNumShow;
	//public Button btnAdd;
	//public Button btnRedece;
	//UIAutoBuild_CtrlDefine
	public int mNum { get; private set; } = 0;
	public int mMaxNum = -1;
	public int mMinNum = -1;

	private bool mStateAdd = false;
	private bool mStateReduce = false;
	private float mBeginExp;
	private float mEndExp;
	private float mTickTimeSpeed;
	private float mBeginExp2;
	private float mEndExp2;
	private float mTickTimeSpeed2;

	public TMP_InputField IptNumShow;
	private UILongClickButton mAddBtn;
	private UILongClickButton mReduceBtn;

	/// <summary>
	/// 抛出数值修改事件，父级界面联动用
	/// </summary>
	[HideInInspector]
	public Action ChangeEvent;


	bool bAwake = false;
	public void Awake()
	{
		////UIAutoBuild_CtrlBind
		//Transform tf = transform;
		//iptNumShow = tf.Find("IptNumShow").GetComponent<InputField>();
		//btnAdd = tf.Find("btnAdd").GetComponent<Button>();
		//btnRedece = tf.Find("btnRedece").GetComponent<Button>();
		//UIAutoBuild_CtrlBind

		Transform tf = transform;
		IptNumShow = tf.Find("TIptNumShow").GetComponent<TMP_InputField>();
		mAddBtn = tf.Find("BtnAdd").GetComponent<UILongClickButton>();
		mReduceBtn = tf.Find("BtnRedece").GetComponent<UILongClickButton>();

		bAwake = true;
    }

	void OnEnable()
	{
		//UIAutoBuild_EventReg
		//btnAdd.onClick.AddListener(OnBtnAddClick);
		//btnRedece.onClick.AddListener(OnBtnRedeceClick);
		//UIAutoBuild_EventReg

		mAddBtn.onClick.AddListener(OnBtnAddClick);
		mReduceBtn.onClick.AddListener(OnBtnRedeceClick);
		IptNumShow.onValueChanged.AddListener((param) => { OniptNumShowChange(param); });

        mAddBtn.NumberChange += (() => { AddNum(); });
        mAddBtn.NumberChangeCancel += (() => { AddNumCanel(); });
        mReduceBtn.NumberChange += (() => { ReduceNum(); });
        mReduceBtn.NumberChangeCancel += (() => { ReduceNumCanel(); });

        /*
        AppEntry.Event.Subscribe(NumChangeAddEvent.EventId, AddNum);
		AppEntry.Event.Subscribe(NumChangeReduceEvent.EventId, ReduceNum);
		AppEntry.Event.Subscribe(NumChangeAddCancelEvent.EventId, AddNumCanel);
		AppEntry.Event.Subscribe(NumChangeReduceCancelEvent.EventId, ReduceNumCanel);
		*/
    }

	void OnDisable()
	{
		//UIAutoBuild_EventUnReg
		//btnAdd.onClick.RemoveAllListeners();
		//btnRedece.onClick.RemoveAllListeners();
		//UIAutoBuild_EventUnReg

		mAddBtn.onClick.RemoveAllListeners();
		mReduceBtn.onClick.RemoveAllListeners();
		IptNumShow.onValueChanged.RemoveAllListeners();

		mAddBtn.NumberChange = null;
        mAddBtn.NumberChangeCancel = null;
        mReduceBtn.NumberChange = null;
        mReduceBtn.NumberChangeCancel = null;

		/*
        AppEntry.Event.Unsubscribe(NumChangeAddEvent.EventId, AddNum);
		AppEntry.Event.Unsubscribe(NumChangeReduceEvent.EventId, ReduceNum);
		AppEntry.Event.Unsubscribe(NumChangeAddCancelEvent.EventId, AddNumCanel);
		AppEntry.Event.Unsubscribe(NumChangeReduceCancelEvent.EventId, ReduceNumCanel);
		*/
	}

	void Start()
	{
	}

	// 每次显示都执行, 可定义参数
	public void Show()
	{
	}


	public void ClearNum()
	{
		mNum = 0;

		if (!bAwake) return;

        IptNumShow.text = mNum.ToString();

        ChangeEvent?.Invoke();
    }

	public void SetNum(int tNum)
	{
        if (mMaxNum != -1)
            mNum = Mathf.Min(mMaxNum, tNum);

        if (mMinNum != -1)
            mNum = Mathf.Max(mMinNum, mNum);

        if (!bAwake) return;

        IptNumShow.text = mNum.ToString();

        ChangeEvent?.Invoke();
    }

	private void OniptNumShowChange(string pValue)
    {
        if (int.TryParse(pValue, out int tNum))
        {
			mNum = tNum;

			if(mMaxNum != -1)
				mNum = Mathf.Min(mMaxNum, tNum);

			if(mMinNum != -1)
				mNum = Mathf.Max(mMinNum, mNum);
		}

		IptNumShow.text = mNum.ToString();
        ChangeEvent?.Invoke();
    }

	private void OnBtnAddClick()
	{
		if (int.TryParse(IptNumShow.text, out int tNum))
		{
			++tNum;
			if (mMaxNum != -1)
			{
				tNum = Mathf.Min(tNum, mMaxNum);
			}
			IptNumShow.text = tNum.ToString();
            ChangeEvent?.Invoke();
        }
		else
		{
			Debug.LogError("IptNumShow.text 数据错误: " + IptNumShow.text);
		}
	}

	private void OnBtnRedeceClick()
	{
		if (int.TryParse(IptNumShow.text, out int tNum))
		{
			--tNum;
			if (mMinNum != -1)
			{
				tNum = Mathf.Max(tNum, mMinNum);
			}
			IptNumShow.text = tNum.ToString();
            ChangeEvent?.Invoke();
        }
		else
		{
			Debug.LogError("IptNumShow.text 数据错误: " + IptNumShow.text);
		}
	}


	public void SetMaxNum(int pMaxNum)
	{
		mMaxNum = pMaxNum;
	}
	public void SetMinNum(int pMinNum)
	{
		mMinNum = pMinNum;
	}
	public void SetMaxNumAndMinNum(int pMaxNum, int pMinNum)
	{
		mMaxNum = pMaxNum;
		mMinNum = pMinNum;
	}


	private void AddNum()
	{
		if (mMaxNum == -1) return;

		mNum = int.Parse(IptNumShow.text);

		mStateAdd = true;
	}

	private void ReduceNum()
    {
		if (mMinNum == -1) return;

		mNum = int.Parse(IptNumShow.text);

		mStateReduce = true;
	}

	private void AddNumCanel()
    {
		mStateAdd = false;
		mTickTimeSpeed = 0;
	}
	private void ReduceNumCanel()
	{
		mStateReduce = false;
		mTickTimeSpeed2 = 0;
	}

    private void Update()
    {
        if(mStateAdd)
        {
			int change = mMaxNum - mNum;
			mBeginExp = 0;
			mEndExp = Mathf.Log(change);

			mTickTimeSpeed += Time.deltaTime;
			//Debug.Log(mTickTimeSpeed);

			float currExp = Mathf.Lerp(mBeginExp, mEndExp, mTickTimeSpeed * 0.2f);
			mNum += (int)Mathf.Exp(currExp);
			IptNumShow.text = mNum.ToString();
            ChangeEvent?.Invoke();
        }

		if(mStateReduce)
        {
			int change = mNum - mMinNum;
			mBeginExp2 = 0;
			mEndExp2 = Mathf.Log(change);

			mTickTimeSpeed2 += Time.deltaTime;
			//Debug.Log(mTickTimeSpeed);

			float currExp = Mathf.Lerp(mBeginExp2, mEndExp2, mTickTimeSpeed2 * 0.2f);
			mNum -= (int)Mathf.Exp(currExp);
			IptNumShow.text = mNum.ToString();
			ChangeEvent?.Invoke();

        }
    }
}