using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;

using System;
using System.Collections;
using System.Diagnostics;
using System.Collections.Generic;

using LitJson;

using Debug = UnityEngine.Debug;

public class SocialManager : Regist
{
    #region Config

    public static bool OpenRankPanelFlag;

    public static int RecordCommentLastIndex;
    public static int RecordCommentFirstIndex;
    public static bool OpenCommentFlag;
    public static Vector3 RecordCommentPosition;

    public static bool IsPlayer;
    public static bool IsPanelOpen;
    public static bool PullCommentDataFlag;
    public static bool UpdateCommentDataFlag;

    public static int PlayerLastDisplayIndex = -1;
    public static int PlayerFirstDisplayIndex;
    public static int VisiteeLastDisplayIndex = -1;
    public static int VisiteeFirstDisplayIndex;
    public static int CurrentPlayerCommentPage;
    public static int CurrentVisiteeCommentPage;

    public static bool IsFriendFilterOn;
    public static Text PraiseText;
    public static Button PraiseButton;
    public static Toggle CommentFriendFilterToggle;
    public static DateTime CommentTime;
    public static InputField CommentInputField;
    public static ScrollRectPlus CommentScrollRect;

    public static float UpdateRankDataTime = 5;
    public static float UpdateRankDataTimer = 0;
    public static float UpdatePraiseDataTime = 10;
    public static float UpdatePraiseDataTimer = 5;
    public static float CommentTimeSpan = 30f;
    public static List<CommentData> PlayerCommentDatas = new List<CommentData>();
    public static List<CommentData> VisiteeCommentDatas = new List<CommentData>();
    public static List<CommentItem> CommentItems = new List<CommentItem>();

    private static int CommentPanelMaxRevertAmt = 15;
    private static int CommentPanelMaxChildAmt = 20;
    private static float CommentItemHeight = 120;

    #endregion

    public void Update()
    {
        if (!HttpManager.IsRankDataReady)
        {
            UpdateRankDataTimer += Time.deltaTime;

            if (UpdateRankDataTimer >= UpdateRankDataTime)
            {
                UpdateRankDataTimer = 0;

                HttpManager.GetRankData();
            }
        }

        if (VisitManager.InVisit)
        {
            return;
        }

        UpdatePraiseDataTimer += Time.deltaTime;

        if (UpdatePraiseDataTimer >= UpdatePraiseDataTime)
        {
            UpdatePraiseDataTimer = 0;

            PraiseText.text = HttpManager.PraiseAmt.ToString();
        }
    }


    public override void FirstInit()
    {
        PraiseText = ResourceManager.Get<Text>(ObjectLabel.C_PraiseText);
        PraiseButton = ResourceManager.Get<Button>(ObjectLabel.C_Praise);
        CommentInputField = ResourceManager.Get<InputField>(ObjectLabel.Q_InputField);
        CommentScrollRect = ResourceManager.Get<ScrollRectPlus>(ObjectLabel.Q_ScrollRect);
        CommentFriendFilterToggle = ResourceManager.Get<Toggle>(ObjectLabel.Q_FriendFilterButton);

        CommentFriendFilterToggle.onValueChanged.AddListener(OnCommentFriendFilterToggleClick);

        CommentScrollRect.onValueChanged.AddListener(OnScroll);

        FriendPanel.OnFriendListRefresh += OnFriendListRefresh;
    }


    public static void Praise()
    {
        if (VisitManager.InVisit)
        {
            PraiseText.text = (int.Parse(PraiseText.text) + 1).ToString();

            HttpManager.Praise(HttpManager.SerialNumber, VisitManager.VisiteeSerialNumber);

            DisablePraise();
        }
        else
        {
            throw new Exception();
        }
    }

    public static void EnablePraise()
    {
        PraiseText.color = Lib.PraiseTextBlue;
        PraiseButton.image.color = Color.white;
        PraiseButton.interactable = true;
    }

    public static void DisablePraise()
    {
        PraiseText.color = Lib.PraiseTextWhite;
        PraiseButton.image.color = Lib.Pink;
        PraiseButton.interactable = false;
    }


    public static void Comment()
    {
        if (string.IsNullOrEmpty(CommentInputField.text))
        {
            Bubble.Show(Language.GetStr(LanguageLabel.UI__Lb_Send2));

            return;
        }

        if ((DateTime.Now - CommentTime).TotalSeconds > CommentTimeSpan)
        {
            CommentTime = DateTime.Now;

            string content = StringFilter.GetFilteredString(CommentInputField.text);

            HttpManager.AddComment(HttpManager.SerialNumber, VisitManager.VisiteeSerialNumber, content, CommentType.Garden);

            CommentInputField.text = "";
        }
        else
        {
            Bubble.Show(Language.GetStr(LanguageLabel.UI__Q_CommentTip));
        }
    }

    public static void OpenCommentPanel()
    {
        IsPlayer = !VisitManager.InVisit;

        if (IsPlayer)
        {
            UpdateCommentPage(IsPlayer);
        }
        else
        {
            if (string.IsNullOrEmpty(VisitManager.VisiteeSerialNumber))
            {
                Bubble.Show(null, Language.GetStr(LanguageLabel.UI__C_CannotComment));
                return;
            }
            else
            {
                UpdateCommentPage(IsPlayer);
            }
        }

        IsPanelOpen = true;
        ResourceManager.Get(ObjectLabel.Q_CommentBK).TweenForCG();

        ResourceManager.SetActive(ObjectLabel.Q_InputBK, VisitManager.InVisit);
    }

    public static void CloseCommentPanel()
    {
        ResourceManager.Get(ObjectLabel.Q_CommentBK).TweenBacCG();
        IsPanelOpen = false;
    }

    public static void RecordCommentPanel()
    {
        if (IsPlayer)
        {
            OpenCommentFlag = true;
            RecordCommentLastIndex = PlayerLastDisplayIndex;
            RecordCommentFirstIndex = PlayerFirstDisplayIndex;
            RecordCommentPosition = CommentScrollRect.content.transform.position;
        }
    }

    public static void RecoverCommentPanel()
    {
        if (OpenCommentFlag)
        {
            OpenCommentFlag = false;

            ClearCommentPanel();

            PlayerLastDisplayIndex = -1;
            PlayerFirstDisplayIndex = 0;

            int antiCrush = 0;

            while (PlayerFirstDisplayIndex != RecordCommentFirstIndex || PlayerLastDisplayIndex != RecordCommentLastIndex)
            {
                if (antiCrush > 10000)
                {
                    throw new Exception("Crush");
                }

                if (CommentScrollRect.content.childCount >= CommentPanelMaxChildAmt)
                {
                    CommentItem commentItem = CommentScrollRect.content.GetChild(0).GetComponent<CommentItem>();
                    ResourceManager.Save(commentItem);
                    CommentItems.Remove(commentItem);
                    PlayerFirstDisplayIndex++;
                }

                PlayerLastDisplayIndex++;
                CommentData commentData = PlayerCommentDatas[PlayerLastDisplayIndex];
                CommentItem newCommentItem = ResourceManager.GetCommentItem(commentData.NickName, commentData.SerialNumber, commentData.Content);
                CommentItems.Add(newCommentItem);
            }

            CommentScrollRect.content.transform.position = RecordCommentPosition;

            OpenCommentPanel();
        }
    }


    public static void PullCommentPage(bool isPlayer)
    {
        PullCommentDataFlag = true;
        UpdateCommentDataFlag = false;
        //Debug.Log("PullPage");

        if (isPlayer)
        {
            HttpManager.GetComment
            (
                HttpManager.SerialNumber,
                (CurrentPlayerCommentPage + 1).ToString(),
                CommentType.Garden,
                data =>
                {
                    if (!UpdateCommentDataFlag)
                    {
                        ReceiveCommentDatas(IsPlayer, data);
                        NextCommentPage(IsPlayer, true);
                    }
                    else
                    {
                        PullCommentDataFlag = false;
                    }
                }
            );
        }
        else
        {
            HttpManager.GetComment
            (
                HttpManager.SerialNumber,
                (CurrentVisiteeCommentPage + 1).ToString(),
                CommentType.Garden,
                data =>
                {
                    if (!UpdateCommentDataFlag)
                    {
                        ReceiveCommentDatas(IsPlayer, data);
                        NextCommentPage(IsPlayer, true);
                    }
                    else
                    {
                        PullCommentDataFlag = false;
                    }
                }
            );
        }
    }

    public static void UpdateCommentPage(bool isPlayer)
    {
        UpdateCommentDataFlag = true;

        ClearCommentPanel();

        ResourceManager.Get(ObjectLabel.Q_Tip).TweenForCG();
        LanguageManager.Add(ResourceManager.Get<Text>(ObjectLabel.Q_Tip), Language.GetStr(LanguageLabel.UI__Loading));

        if (isPlayer)
        {
            //Debug.Log("UpdatePlayer");

            PlayerFirstDisplayIndex = 0;
            PlayerLastDisplayIndex = -1;
            CurrentPlayerCommentPage = 0;
            PlayerCommentDatas = new List<CommentData>();

            HttpManager.GetComment
            (
                HttpManager.SerialNumber,
                "1",
                CommentType.Garden,
                data =>
                {
                    if (!VisitManager.InVisit)
                    {
                        DelayCall.Call(0.5f, () => ResourceManager.Get(ObjectLabel.Q_Tip).TweenBacCG());
                        LanguageManager.Add(ResourceManager.Get<Text>(ObjectLabel.Q_Tip), Language.GetStr(LanguageLabel.UI__LoadSucceed));

                        ReceiveCommentDatas(true, data);
                        NextCommentPage(true, true);

                        ResourceManager.Get<CanvasGroup>(ObjectLabel.Q_CommentBK).interactable = false;
                        DelayCall.Call(1, () => ResourceManager.Get<CanvasGroup>(ObjectLabel.Q_CommentBK).interactable = true);
                    }
                }
            );
        }
        else
        {
            //Debug.Log("UpdateVisitee");

            VisiteeFirstDisplayIndex = 0;
            VisiteeLastDisplayIndex = -1;
            CurrentVisiteeCommentPage = 0;
            VisiteeCommentDatas = new List<CommentData>();

            HttpManager.GetComment
            (
                VisitManager.VisiteeSerialNumber,
                "1",
                CommentType.Garden,
                data =>
                {
                    if (VisitManager.InVisit)
                    {
                        DelayCall.Call(0.5f, () => ResourceManager.Get(ObjectLabel.Q_Tip).TweenBacCG());
                        LanguageManager.Add(ResourceManager.Get<Text>(ObjectLabel.Q_Tip), Language.GetStr(LanguageLabel.UI__LoadSucceed));

                        ReceiveCommentDatas(false, data);
                        NextCommentPage(false, true);

                        ResourceManager.Get<CanvasGroup>(ObjectLabel.Q_CommentBK).interactable = false;
                        DelayCall.Call(1, () => ResourceManager.Get<CanvasGroup>(ObjectLabel.Q_CommentBK).interactable = true);
                    }
                }
            );
        }
    }

    public static void ReceiveCommentDatas(bool isPlayer, JsonData jsonData)
    {
        Auxiliary.Instance.DelayCall
        (
            () =>
            {
                PullCommentDataFlag = false;
            },
            1
        );

        if (!jsonData.Inst_Object.ContainsKey("l"))
        {
            return;
        }

        if (jsonData["l"].Count == 0)
        {
            return;
        }

        if (isPlayer)
        {
            CurrentPlayerCommentPage++;

            foreach (JsonData commentData in jsonData["l"])
            {
                PlayerCommentDatas.UniqueAdd(new CommentData(commentData));
            }
        }
        else
        {
            CurrentVisiteeCommentPage++;

            foreach (JsonData commentData in jsonData["l"])
            {
                VisiteeCommentDatas.UniqueAdd(new CommentData(commentData));
            }
        }
    }

    public static void NextCommentPage(bool isPlayer, bool isDownload)
    {
        //Debug.Log("NextPage");
        if (isPlayer)
        {
            int saveAmt = 0;
            int updateAmt = Mathf.Min(15, PlayerCommentDatas.Count - PlayerLastDisplayIndex - 1);

            for (int i = 0; i < updateAmt; i++)
            {
                if (CommentScrollRect.content.childCount >= CommentPanelMaxChildAmt)
                {
                    saveAmt++;
                    CommentItem commentItem = CommentScrollRect.content.GetChild(0).GetComponent<CommentItem>();
                    ResourceManager.Save(commentItem);
                    CommentItems.Remove(commentItem);
                    PlayerFirstDisplayIndex++;
                }

                PlayerLastDisplayIndex++;

                CommentData commentData = PlayerCommentDatas[PlayerLastDisplayIndex];
                CommentItem newCommentItem = ResourceManager.GetCommentItem(commentData.NickName, commentData.SerialNumber, commentData.Content);
                CommentItems.Add(newCommentItem);
            }

            int offset = isDownload ? 1 : 0;
            float scaleFactor = isDownload ? CommentScrollRect.GetComponent<Image>().canvas.scaleFactor : 1;

            if (saveAmt > 0)
            {
                CommentScrollRect.content.position += new Vector3(0, -(saveAmt - offset)*CommentItemHeight*scaleFactor, 0);
                CommentScrollRect.AddContentOffset(new Vector3(0, -(saveAmt - offset)* CommentItemHeight * scaleFactor, 0));
            }
        }
        else
        {
            int saveAmt = 0;
            int updateAmt = Mathf.Min(15, VisiteeCommentDatas.Count - VisiteeLastDisplayIndex - 1);

            for (int i = 0; i < updateAmt; i++)
            {
                if (CommentScrollRect.content.childCount >= CommentPanelMaxChildAmt)
                {
                    saveAmt++;
                    CommentItem commentItem = CommentScrollRect.content.GetChild(0).GetComponent<CommentItem>();
                    ResourceManager.Save(commentItem);
                    CommentItems.Remove(commentItem);
                    VisiteeFirstDisplayIndex++;
                }

                VisiteeLastDisplayIndex++;

                CommentData commentData = VisiteeCommentDatas[VisiteeLastDisplayIndex];
                CommentItem newCommentItem = ResourceManager.GetCommentItem(commentData.NickName, commentData.SerialNumber, commentData.Content);
                CommentItems.Add(newCommentItem);
            }

            int offset = isDownload ? 1 : 0;
            float scaleFactor = isDownload ? CommentScrollRect.GetComponent<Image>().canvas.scaleFactor : 1;

            if (saveAmt > 0)
            {
                CommentScrollRect.content.position += new Vector3(0, -(saveAmt - offset)* CommentItemHeight * scaleFactor, 0);
                CommentScrollRect.AddContentOffset(new Vector3(0, -(saveAmt - offset)* CommentItemHeight * scaleFactor, 0));
            }
        }
    }

    public static void PreviousCommentPage(bool isPlayer)
    {
        if (CommentScrollRect.content.childCount == 0)
        {
            return;
        }

        //Debug.Log("PreviousPage");

        if (isPlayer)
        {
            if (PlayerCommentDatas.Count > CommentPanelMaxChildAmt && PlayerFirstDisplayIndex > 0)
            {
                int revertAmt = Mathf.Min(CommentPanelMaxRevertAmt, PlayerFirstDisplayIndex);

                for (int i = 0; i < revertAmt; i++)
                {
                    CommentItem commentItem = CommentScrollRect.content.GetChild(CommentScrollRect.content.childCount - 1).GetComponent<CommentItem>();
                    ResourceManager.Save(commentItem);
                    CommentItems.Remove(commentItem);
                    CommentData commentData = VisiteeCommentDatas[VisiteeLastDisplayIndex];

                    commentItem = ResourceManager.GetCommentItem(commentData.NickName, commentData.SerialNumber, commentData.Content);
                    CommentItems.Add(commentItem);
                    commentItem.transform.SetAsFirstSibling();

                    PlayerLastDisplayIndex--;
                    PlayerFirstDisplayIndex--;
                }

                if (revertAmt > 0)
                {
                    CommentScrollRect.content.position += new Vector3(0, revertAmt* CommentItemHeight, 0);
                    CommentScrollRect.AddContentOffset(new Vector3(0, revertAmt* CommentItemHeight, 0));
                }
            }
        }
        else
        {
            if (VisiteeCommentDatas.Count > CommentPanelMaxChildAmt && VisiteeFirstDisplayIndex > 0)
            {
                int revertAmt = Mathf.Min(CommentPanelMaxRevertAmt, VisiteeFirstDisplayIndex);

                for (int i = 0; i < revertAmt; i++)
                {
                    CommentItem commentItem = CommentScrollRect.content.GetChild(CommentScrollRect.content.childCount - 1).GetComponent<CommentItem>();
                    ResourceManager.Save(commentItem);
                    CommentItems.Remove(commentItem);
                    CommentData commentData = VisiteeCommentDatas[VisiteeLastDisplayIndex];

                    commentItem = ResourceManager.GetCommentItem(commentData.NickName, commentData.SerialNumber, commentData.Content);
                    CommentItems.Add(commentItem);
                    commentItem.transform.SetAsFirstSibling();

                    VisiteeLastDisplayIndex--;
                    VisiteeFirstDisplayIndex--;
                }

                if (revertAmt > 0)
                {
                    CommentScrollRect.content.position += new Vector3(0, revertAmt* CommentItemHeight, 0);
                    CommentScrollRect.AddContentOffset(new Vector3(0, revertAmt* CommentItemHeight, 0));
                }
            }
        }
    }

    public static void ClearCommentPanel()
    {
        int childAmt = CommentScrollRect.content.childCount;

        for (int i = 0; i < childAmt; i++)
        {
            CommentItem commentItem = CommentScrollRect.content.GetChild(0).GetComponent<CommentItem>();
            ResourceManager.Save(commentItem);
            CommentItems.Remove(commentItem);
        }

        CommentScrollRect.verticalNormalizedPosition = 1;
    }

    public static void OnScroll(Vector2 position)
    {
        if (PullCommentDataFlag)
        {
            return;
        }

        if (CommentScrollRect.content.childCount == 0)
        {
            return;
        }

        if (position.y >= 1)
        {
            PreviousCommentPage(IsPlayer);
        }

        if (position.y <= 0)
        {
            if (IsPlayer)
            {
                if (PlayerLastDisplayIndex == PlayerCommentDatas.Count - 1)
                {
                    PullCommentPage(true);
                }
                else if (PlayerLastDisplayIndex < PlayerCommentDatas.Count - 1)
                {
                    NextCommentPage(true, false);
                }
            }
            else
            {
                if (VisiteeLastDisplayIndex == VisiteeCommentDatas.Count - 1)
                {
                    PullCommentPage(false);
                }
                else if (VisiteeLastDisplayIndex < VisiteeCommentDatas.Count - 1)
                {
                    NextCommentPage(false, false);
                }
            }
        }
    }


    public static void OpenRankPanel()
    {
        AudioManager.PlayClip(AudioLabel.Bubble);

        ResourceManager.Get(ObjectLabel.S_RankBK).TweenForCG();
    }

    public static void CloseRankPanel()
    {
        AudioManager.PlayClip(AudioLabel.ClickButton);

        ResourceManager.Get(ObjectLabel.S_RankBK).TweenBacCG();
    }

    public static void RecordRankPanel()
    {
        OpenRankPanelFlag = true;
    }

    public static void RecoverRankPanel()
    {
        if (OpenRankPanelFlag)
        {
            OpenRankPanelFlag = false;

            OpenRankPanel();
        }
    }

    public static void InitRankPanel()
    {
        if (Initializer.Inited && HttpManager.IsRankDataReady)
        {
            for (int i = 0; i < HttpManager.RankDatas.Count; i++)
            {
                ResourceManager.GetRanktem((i + 1).ToString(), HttpManager.RankDatas[i][1].ToString(), HttpManager.RankDatas[i][0].ToString());
            }
        }
    }


    public static void OnCommentFriendFilterToggleClick(bool value)
    {
        AudioManager.PlayClip(ResourceLabel.BtnClip);
        if (value)
        {
            EnableCommentFriendFilter();
        }
        else
        {
            DisableCommentFriendFilter();
        }
    }

    public static void EnableCommentFriendFilter()
    {
        IsFriendFilterOn = true;
        foreach (var commentItem in CommentItems)
        {
            if (!commentItem.IsFriend(FriendPanel.FriendAccountDatas))
            {
                commentItem.SetActive(false);
            }
        }
    }

    public static void DisableCommentFriendFilter()
    {
        IsFriendFilterOn = false;
        foreach (var commentItem in CommentItems)
        {
            commentItem.SetActive(true);
        }
    }


    private static void OnFriendListRefresh(List<AccountData> accountDatas)
    {
        if (IsFriendFilterOn)
        {
            EnableCommentFriendFilter();
        }
    }
}