GHZLangChao/Assets/Game/ShowMail/MailUIContent.cs

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

public class MailUIContent : MonoSingleton<MailUIContent>
{

    public MailUIItem mailItem;

    public Transform uiContent;

    public ScrollRect scrollRect;
    public RectTransform contentPanel;
    public RectTransform sampleListItem;
    public HorizontalLayoutGroup HLG;

    public Button leftNextBtn;
    public Button rightNextBtn;
    public Button delBtn;

    public TMP_Text page;
    public TMP_Text titleName;
    public TMP_Text errorMsg;
    public TMP_Text levelText;
    public TMP_Text timeText;
    public Image levelImage;

    public GameObject mailUI;

    public float snapFore;
    float snapSpeed = 0;
    bool isSnapped;
   public  int currentItem;

    public GameObject unread;
    public TMP_Text unreadText;
    public float unreadNum;

    public GameObject ShowMailUIColor;
    public GameObject ShowImagePoint;

    public GameObject CloseSync;

    public GameObject MailShow;
    public GameObject MailNull;

    LangChaoMailItem nowItem;

  
    private void Start()
    {
        unreadNum = 0;
        LangChaoMailManager.Instance.mailUIItem = mailItem;
        LangChaoMailManager.Instance.mailContent = uiContent;
        LangChaoMailManager.Instance.showImagePoint = ShowImagePoint.transform;
        leftNextBtn.onClick.AddListener(()=> { NetPage(true);});
        rightNextBtn.onClick.AddListener(() => { NetPage(false);});
        delBtn.onClick.AddListener(() => { DelItem(); });
    }


    private void Update()
    {
         currentItem = Mathf.RoundToInt((0 - contentPanel.localPosition.x / (sampleListItem.rect.width + HLG.spacing)));

        if (scrollRect.velocity.magnitude < 200&& !isSnapped)
        {
            scrollRect.velocity = Vector2.zero;
            snapSpeed += snapFore * Time.deltaTime;
            contentPanel.localPosition = new Vector3(Mathf.MoveTowards(contentPanel.localPosition.x, 0 - (currentItem * (sampleListItem.rect.width + HLG.spacing)), snapSpeed), contentPanel.localPosition.y,contentPanel.localPosition.z);
            if (contentPanel.localPosition.x == 0 - (currentItem * (sampleListItem.rect.width + HLG.spacing)))
            {
                isSnapped = false;

             
            }
          //  Debug.Log(LangChaoMailManager.Instance.listMailItem.Count);
            if (LangChaoMailManager.Instance.listMailItem.Count > currentItem && mailUI.activeSelf)
            {
                if (nowItem != LangChaoMailManager.Instance.listMailItem[currentItem])
                {
                    nowItem = LangChaoMailManager.Instance.listMailItem[currentItem];
                    UpdateUI();
                }

            }
        }
        if(scrollRect.velocity.magnitude > 200)
        {
            isSnapped = false;
          
            snapSpeed = 0;
        }
    }

    public void UpdateUI()
    {
        UpdatePage();


        System.DateTime startTime = System.TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));//获取时间戳
        System.DateTime dt = startTime.AddMilliseconds(nowItem.timestamp);

        timeText.text = dt.Year + "-" + dt.Month + "-" + dt.Day + "  " + dt.Hour + ":" + dt.Minute + ":" + dt.Second;

        if (nowItem.title != null)
        {
            levelText.gameObject.SetActive(true);
            levelImage.gameObject.SetActive(true);
            titleName.gameObject.SetActive(true);
            errorMsg.gameObject.SetActive(true);

            Color color;
            switch (nowItem.level)
            {
                case 4:
                    levelText.text = "低级";
                    ColorUtility.TryParseHtmlString("27CFE3", out color);
                    break;
                case 3:
                    levelText.text = "中级";
                    ColorUtility.TryParseHtmlString("F1B720", out color);
                    break;
                case 2:
                    levelText.text = "高级";
                    ColorUtility.TryParseHtmlString("DA791E", out color);
                    break;
                case 1:
                    levelText.text = "重大";
                    ColorUtility.TryParseHtmlString("ED5254", out color);
                    break;
                default:
                    break;
            }
            titleName.text = nowItem.title;
            errorMsg.text = "设备位置: " + nowItem.room + "/" + nowItem.rack + "/" + nowItem.u_addr;
        }
        else
        {
            levelText.gameObject.SetActive(false);
            levelImage.gameObject.SetActive(false);
            titleName.gameObject.SetActive(false);
            errorMsg.gameObject.SetActive(false);
        }

        if (nowItem.isShow == false)
        {
            nowItem.isShow = true;

            ShowUnread(-1);
        }


    }

    public void NetPage( bool isleft)
    {
        if (isleft)
        {
            contentPanel.localPosition += new Vector3(sampleListItem.rect.width + HLG.spacing, 0, 0);
        }
        else
        {
            contentPanel.localPosition -= new Vector3(sampleListItem.rect.width + HLG.spacing, 0, 0);
        }
    }

    public void DelItem()
    {
        if (nowItem == null)
            return;
        LangChaoMailManager.Instance.RemoveMail(nowItem);
        nowItem = null;
        currentItem = Mathf.RoundToInt((0 - contentPanel.localPosition.x / (sampleListItem.rect.width + HLG.spacing)));
        UpdatePage();
        if (LangChaoMailManager.Instance.listMailItem.Count > currentItem)
        {
           
            nowItem = LangChaoMailManager.Instance.listMailItem[currentItem];
            UpdateUI();
        }

        if (LangChaoMailManager.Instance.listMailItem.Count < 1)
        {
            levelText.gameObject.SetActive(false);
            levelImage.gameObject.SetActive(false);
            titleName.gameObject.SetActive(false);
            errorMsg.gameObject.SetActive(false);
        }
          
    }

    public void UpdatePage()
    {
        page.text = (currentItem+1).ToString() + "/" + LangChaoMailManager.Instance.listMailItem.Count.ToString();
    }


    public void ShowMailUI(GameObject mailUI)
    {
        mailUI.SetActive(!mailUI.activeSelf);

        ShowMailUIColor.SetActive(mailUI.activeSelf);
    }

    public void ShowUnread( int num)
    {
        unreadNum += num;
        if(unreadNum > 0)
        {
            unread.SetActive(true);
        }
        else
        {
           
            unread.SetActive(false);
            unreadNum = 0;
        }

        unreadText.text = unreadNum.ToString();

    }
    
    public void StopSync()
    {
        SynPlayerTransform.Instance.StoPushOnClick();
      //  CloseSync.gameObject.SetActive(false);
    }
}