//--------------------------------------------------------
//    [Author]:           第二世界
//    [  Date ]:           Saturday, October 07, 2017
//--------------------------------------------------------

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

namespace Snxxz.UI
{

    public class ScrollTipWin : Window
    {
        [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;
        #region Win
        protected override void AddListeners()
        {

        }

        protected override void BindController()
        {

        }

        protected override void OnAfterClose()
        {

        }

        protected override void OnAfterOpen()
        {

        }

        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();
            }
        }

        protected override void LateUpdate()
        {
            base.LateUpdate();
        }
        #endregion

        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;
        }
    }

}