//--------------------------------------------------------
//    [Author]:           玩个游戏
//    [  Date ]:           Saturday, October 07, 2017
//--------------------------------------------------------

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class ScrollTipWin : UIBase
{
    [SerializeField] RectTransform content;
    [SerializeField] RectTransform mask;

    [SerializeField, Header("显示条数")]
    int tipDisplayCnt = 3;
    [SerializeField, Header("每次滚动的距离")]
    float m_TipDistance = 50.0f;
    [SerializeField, Header("提示预制体高度")]
    float m_TipHeight = 40.0f;
    [SerializeField, Header("显示时间")]
    float m_TipShowTime = 1.0f;
    [SerializeField, Header("移动时间")]
    float m_TipMoveTime = 0.2f;
    [SerializeField, Header("隐藏时间")]
    float m_TipHideTime = 0.5f;

    protected override void InitComponent()
    {

    }

    protected override void OnClose()
    {

    }

    protected override void OnOpen()
    {

    }

    protected override void OnPreClose()
    {
        ScrollTip.OnTipReceiveEvent -= OnTipReceiveEvent;
        ScrollTip.ReleaseAll();
    }

    protected override void OnPreOpen()
    {
        ScrollTip.tipMoveTime = m_TipMoveTime;
        ScrollTip.OnTipReceiveEvent += OnTipReceiveEvent;
        mask.sizeDelta = mask.sizeDelta.SetY(tipDisplayCnt * m_TipHeight + (tipDisplayCnt - 1) * (m_TipDistance - m_TipHeight) + 10);
        for (int i = 0; i < ScrollTip.m_Hints.Count; i++)
        {
            OnTipReceiveEvent();
        }
    }

    private void OnTipReceiveEvent()
    {
        if (ScrollTip.m_Hints.Count > 0 && IsCanAdd())
        {
            if (ScrollTip.m_ActiveTips.Count >= tipDisplayCnt)
            {
                ScrollTip.Release(ScrollTip.m_ActiveTips[0], false);
            }
            if (ScrollTip.m_ActiveTips.Count >= tipDisplayCnt)
            {
                ScrollTip.tipMoveTime = Time.deltaTime;
            }
            else
            {
                ScrollTip.tipMoveTime = m_TipMoveTime;
            }
            for (int i = 0; i < ScrollTip.m_ActiveTips.Count; i++)
            {
                ScrollTip.m_ActiveTips[i].Play(ScrollTip.ScrollTipState.Move);
            }
            ScrollTipDetail tipDetail = ScrollTip.Request();
            if (tipDetail != null)
            {
                tipDetail.SetTipConfig(m_TipShowTime, m_TipHideTime, m_TipDistance);
                ScrollTip.m_ActiveTips.Add(tipDetail);
                var rt = tipDetail.transform;
                rt.SetParent(content.parent);
                rt.localScale = Vector3.one;
                rt.localPosition = content.localPosition;
                var _hint = ScrollTip.m_Hints[0];
                ScrollTip.m_Hints.RemoveAt(0);
                tipDetail.ShowTip(_hint);
                tipDetail.Play(ScrollTip.ScrollTipState.Idle);
            }
        }
    }

    private bool IsCanAdd()
    {
        for (int i = 0; i < ScrollTip.m_ActiveTips.Count; i++)
        {
            if (ScrollTip.m_ActiveTips[i].presentState == ScrollTip.ScrollTipState.Move)
            {
                return false;
            }
        }
        return true;
    }
}