using IVDataFormat;
using IVServerFormat;
using TMPro;
using UnityEngine;

public class MailMgr : MonoBehaviour
{
    #region Const
    private static MailMgr curMgr = null;
    #endregion Const

    #region UI
    [Header("UI")]
    [SerializeField]
    private TextMeshProUGUI txtMainT;
    private GameObject goMainBadge;
    [SerializeField]
    private GameObject goUpBadge;

    [SerializeField]
    private Canvas canvasUI;
    private ButtonIV[] btnTabs;

    [SerializeField]
    private EScrController escrMail;
    private ButtonIV btnGetAll;
    private TextMeshProUGUI txtMailEmpty, txtMailDesc;

    [SerializeField]
    private Sprite sprLetterClose, sprLetterOpen;
    #endregion UI

    #region Variables
    private int iLoading = 1;
    private bool bReLocalize = true;
    private bool bReLocalizeMail = false;
    private int iSelectedTab = -1;
    private int iSvType = -1;

    private int iMailLoading = 0;
    private bool bUpdateMail = true;
    private EnhancedUI.SmallList<int> mails;
    private EnhancedUI.SmallList<int> reads;
    #endregion Variables

    #region Base
    public static void SLocalize(bool bmain)
    {
        if (curMgr != null)
            curMgr.Localize(bmain);
    }

    // 번역.
    private void Localize(bool bmain)
    {
        if (bmain)
        {
            txtMainT.text = LocalizationText.GetText("mail_title");
            goMainBadge = txtMainT.transform.parent.Find("badge").gameObject;
            btnGetAll = canvasUI.transform.Find("btnGetAll").GetComponent<ButtonIV>();
        }
        else
        {
            bReLocalize = false;
            Transform trfcanvas = canvasUI.transform;
            trfcanvas.Find("txtT").GetComponent<TextMeshProUGUI>().text = LocalizationText.GetText("mail_title");

            btnTabs = new ButtonIV[2];
            btnTabs[0] = trfcanvas.Find("tabMail").GetComponent<ButtonIV>();
            btnTabs[1] = trfcanvas.Find("tabRead").GetComponent<ButtonIV>();
            btnTabs[0].transform.Find("txt").GetComponent<TextMeshProUGUI>().text = LocalizationText.GetText("mail_unread");
            btnTabs[1].transform.Find("txt").GetComponent<TextMeshProUGUI>().text = LocalizationText.GetText("mail_read");

            btnGetAll.transform.Find("txt").GetComponent<TextMeshProUGUI>().text = LocalizationText.GetText("all_getall");
            txtMailEmpty = trfcanvas.Find("txtEmpty").GetComponent<TextMeshProUGUI>();
            trfcanvas.Find("txtDesc1").GetComponent<TextMeshProUGUI>().text = LocalizationText.GetText("mail_msgcnt");
            txtMailDesc = trfcanvas.Find("txtDesc2").GetComponent<TextMeshProUGUI>();

            // 읽지 않은 우편.
            if (iSelectedTab == 0)
            {
                txtMailEmpty.text = LocalizationText.GetText("mail_unreadempty");
                txtMailDesc.text = LocalizationText.GetText("mail_msgunread");
            }
            // 읽은 우편.
            else
            {
                txtMailEmpty.text = LocalizationText.GetText("mail_readempty");
                txtMailDesc.text = LocalizationText.GetText("mail_msgread");
            }
        }
    }

    // 설정에서 언어 변경 시 처리.
    public static void SReLocalize()
    {
        curMgr.Localize(true);
        curMgr.bReLocalize = true;
        curMgr.bReLocalizeMail = true;
    }

    // 백버튼 처리.
    public static bool SCloseMenu()
    {
        return curMgr.CloseMenu();
    }

    private bool CloseMenu()
    {
        // 게임 시작 후 열린적 없음.
        if (iSelectedTab < 0)
            return false;

        if (canvasUI.enabled)
        {
            CloseMail();
            return true;
        }
        return false;
    }

    private void Awake()
    {
        curMgr = this;
    }

    void Start()
    {
        iLoading--;
    }
    #endregion Base

    #region UI
    // 우편함 열기.
    public void OpenMail()
    {
        GameUIMgr.SAllOffDownMenu();

        if (iLoading > 0)
            return;
        iLoading++;

        if (bReLocalize)
            Localize(false);
        if (iSelectedTab < 0)
        {
            mails = new EnhancedUI.SmallList<int>();
            reads = new EnhancedUI.SmallList<int>();
            escrMail.LoadDatas(mails);

            TabPress(0);
        }
        else if (iSelectedTab == 0)
        {
            // 우편 목록 갱신.
            if (!RefreshMailList())
            {
                RemoveLimitOverMail();
                UpdateMailList(false);
            }
        }

        if (bReLocalizeMail)
        {
            bReLocalizeMail = false;
            escrMail.Localize();
            escrMail.scroller.RefreshActiveCellViews();
        }
        canvasUI.enabled = true;

        SoundMgr.Instance.PlaySfx(SoundName.BtnPress);
        
        iLoading--;
    }

    // 우편함 닫기.
    public void CloseMail()
    {
        if (!canvasUI.enabled)
            return;
        if (iLoading > 0)
            return;
        iLoading++;

        canvasUI.enabled = false;

        SoundMgr.Instance.PlaySfx(SoundName.BtnPress);

        iLoading--;
    }

    // 닫힌 우편 아이콘.
    public static Sprite SGetIconClose()
    {
        return curMgr.sprLetterClose;
    }

    // 열린 우편 아이콘.
    public static Sprite SGetIconOpen()
    {
        return curMgr.sprLetterOpen;
    }
    #endregion UI

    #region Tab
    public void TabPress(int index)
    {
        if (iSelectedTab == index)
            return;
        iLoading++;

        if (iSelectedTab >= 0)
        {
            btnTabs[iSelectedTab].interactable = true;
        }
        iSelectedTab = index;
        btnTabs[iSelectedTab].interactable = false;

        // 읽지 않은 우편.
        if (iSelectedTab == 0)
        {
            iSvType = 0;
            escrMail.SetType(iSvType);
            txtMailEmpty.text = LocalizationText.GetText("mail_unreadempty");
            txtMailDesc.text = LocalizationText.GetText("mail_msgunread");
            btnGetAll.gameObject.SetActive(true);
            escrMail.LoadDatas(mails);

            if (!RefreshMailList())
            {
                RemoveLimitOverMail();
                UpdateMailList(false);
            }
        }
        // 읽은 우편.
        else
        {
            iSvType = 1;
            escrMail.SetType(iSvType);
            txtMailEmpty.text = LocalizationText.GetText("mail_readempty");
            txtMailDesc.text = LocalizationText.GetText("mail_msgread");
            btnGetAll.gameObject.SetActive(false);

            if (!RefreshReadList())
            {
                UpdateReadList();
            }
        }

        SoundMgr.Instance.PlaySfx(SoundName.BtnPress);

        iLoading--;
    }
    #endregion Tab

    #region Read List
    // 우편 내역 표시 갱신.
    private void UpdateReadList()
    {
        int ilen = DataHandler.GetMailReads().Length;
        txtMailEmpty.gameObject.SetActive(ilen == 0);

        while (ilen < reads.Count)
        {
            reads.RemoveEnd();
        }
        while (ilen > reads.Count)
        {
            reads.Add(reads.Count);
        }
        escrMail.LoadDatas(reads);
    }

    // 우편 내역 갱신.
    private bool RefreshReadList()
    {
        if (DataHandler.MailReadRefreshTime > TimeUtils.Now())
            return false;
        iMailLoading++;
        CoverCamera.Hold();
        SvConnectManager.Instance.RequestSvGet(true, 0, UrlApi.GetUrl(UrlApi.MailReadList), typeof(nMailRefreshReturn), AReadRefreshSucc, AReadRefreshFail, false);
        return true;
    }

    // 통신 성공 - 우편 내역 갱신.
    private void AReadRefreshSucc(object result)
    {
        nMailRefreshReturn data = result as nMailRefreshReturn;
        if (data == null || data.playMail == null)
        {
            AReadRefreshFail(new SvError(eErrorCode.NULL_OR_EMPTY));
            return;
        }
        DataHandler.LoadMailRead(data.playMail, true);

        bUpdateMail = true;
        UpdateReadList();

        CoverCamera.Release();
        iMailLoading--;
    }

    // 통신 실패 - 우편 내역 갱신.
    private void AReadRefreshFail(SvError error)
    {
        CoverCamera.Release();
        iMailLoading--;
    }
    #endregion Read List

    #region Mail List
    // 우편 목록 표시 갱신.
    private void UpdateMailList(bool bstaypos)
    {
        int ilen = DataHandler.GetMails().Length;
        txtMailEmpty.gameObject.SetActive(ilen == 0);
        if (!bUpdateMail)
        {
            escrMail.scroller.RefreshActiveCellViews();
            return;
        }
        bUpdateMail = false;

        while (ilen < mails.Count)
        {
            mails.RemoveEnd();
        }
        while (ilen > mails.Count)
        {
            mails.Add(mails.Count);
        }

        if (bstaypos && escrMail.scroller.ScrollSize != 0)
            escrMail.scroller.ReloadData(escrMail.scroller.ScrollPosition / escrMail.scroller.ScrollSize);
        else
            escrMail.scroller.ReloadData();
    }

    // 우편 수 갱신.
    public static void SSetBadgeAndRecieveAllButton()
    {
        curMgr.goMainBadge.SetActive(DataHandler.MailCount > 0);
        curMgr.goUpBadge.SetActive(curMgr.goMainBadge.activeSelf);
        curMgr.btnGetAll.interactable = curMgr.goMainBadge.activeSelf;
    }

    // 우편 수 임의 갱신. 상점 아이템 구매 후 등 수령할 우편이 생기면 호출.
    public static void SAddMailCount()
    {
        DataHandler.SetMailCount(DataHandler.MailCount + 1);
        curMgr.goMainBadge.SetActive(true);
        curMgr.goUpBadge.SetActive(curMgr.goMainBadge.activeSelf);
        curMgr.btnGetAll.interactable = true;
    }
    #endregion Mail List

    #region Mail Limit Remove & List Reload
    // 만료 우편 수동 제거.
    private void RemoveLimitOverMail()
    {
        int iover = 0;
        dMail[] curmails = DataHandler.GetMails();
        for (int i = 0; i < curmails.Length; i++)
        {
            if (curmails[i].endAt <= TimeUtils.Now())
            {
                iover++;
            }
        }
        if (iover == 0)
            return;

        bUpdateMail = true;
        int curindex = 0;
        dMail[] mails = new dMail[curmails.Length - iover];
        for (int i = 0; i < curmails.Length; i++)
        {
            if (curindex >= mails.Length)
                break;
            if (curmails[i].endAt <= TimeUtils.Now())
                continue;
            mails[curindex] = curmails[i];
            curindex++;
        }
        DataHandler.LoadMail(mails, true, false);
    }

    // 우편 목록 갱신.
    private bool RefreshMailList()
    {
        if (DataHandler.MailRefreshTime > TimeUtils.Now())
            return false;
        iMailLoading++;
        CoverCamera.Hold();
        SvConnectManager.Instance.RequestSvGet(true, 0, UrlApi.GetUrl(UrlApi.MailList), typeof(nMailRefreshReturn), AMailRefreshSucc, AMailRefreshFail, false);
        return true;
    }

    // 통신 성공 - 우편 목록 갱신.
    private void AMailRefreshSucc(object result)
    {
        nMailRefreshReturn data = result as nMailRefreshReturn;
        if (data == null || data.playMail == null)
        {
            AMailRefreshFail(new SvError(eErrorCode.NULL_OR_EMPTY));
            return;
        }
        DataHandler.LoadMail(data.playMail, true, true);

        bUpdateMail = true;
        UpdateMailList(false);
        DataHandler.SetMailCount(data.playMail.Length);
        SSetBadgeAndRecieveAllButton();

        CoverCamera.Release();
        iMailLoading--;
    }

    // 통신 실패 - 우편 목록 갱신.
    private void AMailRefreshFail(SvError error)
    {
        CoverCamera.Release();
        iMailLoading--;
    }
    #endregion Mail Limit Remove & List Reload

    #region Get
    public static void SGetMailItem(int index)
    {
        if (curMgr != null)
            curMgr.GetMailItem(index);
    }

    // 우편 아이템 획득.
    private void GetMailItem(int index)
    {
        if (iMailLoading > 0)
            return;
        dMail mail = DataHandler.GetMailByIndex(index);
        if (mail == null || mail.endAt <= TimeUtils.Now())
        {
            RemoveLimitOverMail();
            UpdateMailList(true);
            return;
        }

        iMailLoading++;
        CoverCamera.Hold();
        SvConnectManager.Instance.RequestSvPost(true, 0, UrlApi.GetUrl(UrlApi.MailReadOne), typeof(nMailGetReturn), AMailGetSucc, AMailGetFail, new nIdStr(mail.id), false);
    }

    // 통신 실패 - 우편 아이템 획득.
    private void AMailGetFail(SvError error, object request)
    {
        CoverCamera.Release();
        iMailLoading--;
    }

    // 통신 성공 - 우편 아이템 획득.
    private void AMailGetSucc(object result, object request)
    {
        nMailGetReturn data = result as nMailGetReturn;
        if (data == null || data.playCurrency == null || data.playMail == null)
        {
            AMailGetFail(new SvError(eErrorCode.NULL_OR_EMPTY), request);
            return;
        }

        DataHandler.AddGoods(data.result, data.playCurrency, true);
        DataHandler.SaveData();
        DataHandler.LoadMail(data.playMail, true, true);

        GameUIMgr.SOpenPopupGoods(data.result, null, LocalizationText.GetText("mail_get"));
        bUpdateMail = true;
        UpdateMailList(true);
        DataHandler.UpdateMailReadTime();
        DataHandler.SetMailCount(data.playMail.Length);
        SSetBadgeAndRecieveAllButton();

        CoverCamera.Release();
        iMailLoading--;
    }

    public void BtnGetAll()
    {
        if (iMailLoading > 0)
            return;
        iMailLoading++;
        CoverCamera.Hold();

        dMail[] curmails = DataHandler.GetMails();
        int icnt = 0;
        for (int i = 0; i < curmails.Length; i++)
        {
            if (curmails[i] == null || curmails[i].endAt <= TimeUtils.Now())
                continue;
            icnt++;
        }

        if (icnt == 0)
        {
            GameUIMgr.SOpenPopup1Button(LocalizationText.GetText("msg_nomail"));
            CoverCamera.Release();
            iMailLoading--;
            return;
        }
        SoundMgr.Instance.PlaySfx(SoundName.BtnPress);

        SvConnectManager.Instance.RequestSvPost(true, 0, UrlApi.GetUrl(UrlApi.MailReadAll), typeof(nMailGetReturn), AMailGetAllSucc, AMailGetAllFail, new nIdCnt(), false);
    }

    // 통신 실패 - 전체 아이템 획득.
    private void AMailGetAllFail(SvError error, object request)
    {
        CoverCamera.Release();
        iMailLoading--;
    }

    // 통신 성공 - 전체 아이템 획득.
    private void AMailGetAllSucc(object result, object request)
    {
        nMailGetReturn data = result as nMailGetReturn;
        nIdlLv requestdata = request as nIdlLv;
        if (data == null || data.playCurrency == null || data.playMail == null)
        {
            AMailGetAllFail(new SvError(eErrorCode.NULL_OR_EMPTY), request);
            return;
        }

        DataHandler.AddGoods(data.result, data.playCurrency, true);
        DataHandler.SaveData();
        DataHandler.LoadMail(data.playMail, true, true);

        GameUIMgr.SOpenPopupGoods(data.result, null, LocalizationText.GetText("mail_get"));
        bUpdateMail = true;
        UpdateMailList(true);
        DataHandler.UpdateMailReadTime();
        DataHandler.SetMailCount(data.playMail.Length);
        SSetBadgeAndRecieveAllButton();

        CoverCamera.Release();
        iMailLoading--;
    }
    #endregion Get
}