package com.gh.gamecenter.adapter;

import android.app.Activity;
import android.content.Intent;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.RecyclerView.ViewHolder;
import android.text.Html;
import android.text.TextUtils;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;

import com.gh.common.constant.Config;
import com.gh.common.util.CheckLoginUtils;
import com.gh.common.util.CommentUtils;
import com.gh.common.util.ConcernContentUtils;
import com.gh.common.util.DataCollectionUtils;
import com.gh.common.util.DisplayUtils;
import com.gh.common.util.EntranceUtils;
import com.gh.common.util.ImageUtils;
import com.gh.common.util.NewsUtils;
import com.gh.common.util.StringUtils;
import com.gh.common.util.TimestampUtils;
import com.gh.gamecenter.NewsDetailActivity;
import com.gh.gamecenter.PersonalHomeActivity;
import com.gh.gamecenter.R;
import com.gh.gamecenter.ShareCardActivity;
import com.gh.gamecenter.ShareCardPicActivity;
import com.gh.gamecenter.WebActivity;
import com.gh.gamecenter.adapter.viewholder.CommentHeadViewHolder;
import com.gh.gamecenter.adapter.viewholder.CommentViewHolder;
import com.gh.gamecenter.adapter.viewholder.FooterViewHolder;
import com.gh.gamecenter.adapter.viewholder.NewsDigestViewHolder;
import com.gh.gamecenter.entity.ArticleCommentParent;
import com.gh.gamecenter.entity.CommentEntity;
import com.gh.gamecenter.entity.ConcernEntity;
import com.gh.gamecenter.manager.VisitManager;
import com.gh.gamecenter.retrofit.JSONObjectResponse;
import com.gh.gamecenter.retrofit.OkHttpCache;
import com.gh.gamecenter.retrofit.Response;
import com.gh.gamecenter.retrofit.RetrofitManager;
import com.lightgame.adapter.BaseRecyclerAdapter;
import com.lightgame.utils.Utils;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;

import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.schedulers.Schedulers;
import retrofit2.HttpException;

/**
 * Created by khy on 2016/11/8.
 * 消息详情-数据适配器
 */
public class MessageDetailAdapter extends BaseRecyclerAdapter<ViewHolder> {

    private static final int ITEM_TOP = 100;
    private static final int ITEM_TITLE = 101;
    private static final int ITEM_COMMENT = 102;
    private static final int ITEM_FOOTER = 103;

    private ConcernEntity mConcernEntity;

    private OnCommentCallBackListener mOnCommentCallBackListener;

    private RecyclerView mRecyclerView;

    private List<CommentEntity> mHotCommentList;
    private List<CommentEntity> mNormalCommentList;

    private String mEntrance;
    private boolean isOver;
    private boolean isLoading;
    private boolean isNetworkError;
    private boolean isRefreshPosition;
    private boolean isGetRvHeight = true; // 防止评论时弹出软键盘 影响RecyclerView高度
    private int rvHeight;
    private int mPage;

    public MessageDetailAdapter(Activity context, OnCommentCallBackListener listener,
                                RecyclerView messageDetailRv, ConcernEntity concernEntity, String entrance) {
        super(context);
        mRecyclerView = messageDetailRv;
        mEntrance = entrance;
        mOnCommentCallBackListener = listener;

        isOver = false;
        isLoading = false;
        isNetworkError = false;
        isRefreshPosition = true;
        mPage = 1;

        mHotCommentList = new ArrayList<>();
        mNormalCommentList = new ArrayList<>();

        mConcernEntity = concernEntity;

        if (mConcernEntity != null && mConcernEntity.getCommentnum() != 0) {
            addHotComment();
        } else if (mConcernEntity != null) {
            isOver = true;
            notifyItemChanged(getItemCount() - 1);
            if (mOnCommentCallBackListener != null) {
                mOnCommentCallBackListener.onCommentCallback(null);
            }
        }
    }

    public void addHotComment() {
        RetrofitManager.getInstance(mContext).getApi().getHotComment(mConcernEntity.getId(), 10, 1)
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Response<List<CommentEntity>>() {
                    @Override
                    public void onResponse(List<CommentEntity> response) {
                        if (response.size() != 0) {
                            mHotCommentList.clear();
                            mHotCommentList.addAll(response);
                            notifyDataSetChanged();
                        }
                        addNormalComment(); // 考虑到断网刷新问题
                    }

                    @Override
                    public void onFailure(HttpException e) {
                        addNormalComment();
                    }
                });
    }

    public void addNormalComment() {
        if (isLoading) {
            return;
        }
        isLoading = true;
        RetrofitManager.getInstance(mContext).getApi().getComment(mConcernEntity.getId(), 10, mPage, Utils.getTime(mContext))
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Response<List<CommentEntity>>() {
                    @Override
                    public void onResponse(List<CommentEntity> response) {
                        if (response.size() < 10) {
                            isOver = true;
                        }

                        if (response.size() != 0) {
                            mNormalCommentList.addAll(response);
                        }

                        notifyDataSetChanged();

                        mPage++;
                        isLoading = false;
                    }

                    @Override
                    public void onFailure(HttpException e) {
                        isLoading = false;

                        isNetworkError = true;
                        notifyDataSetChanged();
                    }
                });
    }

    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view;
        switch (viewType) {
            case ITEM_TOP:
                view = mLayoutInflater.inflate(R.layout.news_digest_item, parent, false);
                return new NewsDigestViewHolder(view);
            case ITEM_TITLE:
                view = mLayoutInflater.inflate(R.layout.comment_head_item, parent, false);
                return new CommentHeadViewHolder(view);
            case ITEM_COMMENT:
                view = mLayoutInflater.inflate(R.layout.comment_item, parent, false);
                return new CommentViewHolder(view);
            case ITEM_FOOTER:
                view = mLayoutInflater.inflate(R.layout.refresh_footerview, parent, false);
                return new FooterViewHolder(view);
            default:
                return null;
        }
    }

    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
        if (holder instanceof NewsDigestViewHolder) {
            initNewsDigestViewHolder((NewsDigestViewHolder) holder);
        } else if (holder instanceof CommentViewHolder) {
            initCommentViewHolder((CommentViewHolder) holder, position);
        } else if (holder instanceof FooterViewHolder) {
            initFooterViewHolder((FooterViewHolder) holder);
        } else if (holder instanceof CommentHeadViewHolder) {
            if (mHotCommentList.size() != 0 && position == 1) {
                ((CommentHeadViewHolder) holder).commentHeadTitleTv.setText(R.string.comment_hot);
            } else {
                ((CommentHeadViewHolder) holder).commentHeadTitleTv.setText(R.string.comment_new);
            }
        }
    }

    @Override
    public int getItemViewType(int position) {
        int index;
        if (mHotCommentList.size() == 0) {
            index = 1;
        } else {
            index = 2;
        }

        if (position == 0 && mConcernEntity != null) {
            return ITEM_TOP;
        } else if (mHotCommentList.size() != 0 && position == 1 ||
                mNormalCommentList.size() != 0 && mHotCommentList.size() + index == position) {
            return ITEM_TITLE;
        } else if (getItemCount() == position + 1) {
            return ITEM_FOOTER;
        }
        return ITEM_COMMENT;
    }

    @Override
    public int getItemCount() {
        int itemCount = 0;
        if (mHotCommentList.size() != 0) {
            itemCount = itemCount + mHotCommentList.size() + 1;
        }
        if (mNormalCommentList.size() != 0) {
            itemCount = itemCount + mNormalCommentList.size() + 1;
        }
        if (mConcernEntity != null) {
            itemCount = itemCount + 1;
        }
        return itemCount + 1;
    }

    private void initNewsDigestViewHolder(final NewsDigestViewHolder viewHolder) {

        if (mConcernEntity.getViews() != 0) {
            viewHolder.readNum.setText(String.valueOf(mConcernEntity.getViews()));
        }

        if (mConcernEntity.getCommentnum() > 999) {
            viewHolder.commentnum.setText(R.string.thousand);
        } else {
            viewHolder.commentnum.setText(String.valueOf(mConcernEntity.getCommentnum()));
        }

        if (mConcernEntity.getBrief() != null) {
            viewHolder.content.setText(Html.fromHtml(mConcernEntity.getBrief()));
            viewHolder.content.setMaxLines(100);
        } else {
            viewHolder.content.setText(Html.fromHtml(mConcernEntity.getContent()));
            viewHolder.content.setMaxLines(5);
        }

        if (mConcernEntity.getImg().size() == 0) {
            viewHolder.imgLayout.setVisibility(View.GONE);
            viewHolder.imgLayout.removeAllViews();
        } else {
            viewHolder.imgLayout.setVisibility(View.VISIBLE);
            viewHolder.imgLayout.removeAllViews();
            ConcernContentUtils.addContentPic(mContext, viewHolder.imgLayout, mConcernEntity.getImg(),
                    StringUtils.buildString(mEntrance, "+(消息详情)"),
                    mContext.getResources().getDisplayMetrics().widthPixels - DisplayUtils.dip2px(mContext, 34));
        }

        ImageUtils.display(viewHolder.thumb, mConcernEntity.getGameIcon());
        viewHolder.title.setText(mConcernEntity.getGameName());
        NewsUtils.setNewsPublishOn(viewHolder.time, mConcernEntity.getTime());

        viewHolder.share.setOnClickListener(v -> {
            if (mConcernEntity.getImg() != null && mConcernEntity.getImg().size() > 0) {
                ShareCardPicActivity.startShareCardPicActivity(mContext, mConcernEntity, mEntrance);
            } else {
                String shareContent;
                if (mConcernEntity.getBrief() != null) {
                    shareContent = mConcernEntity.getBrief();
                } else {
                    shareContent = mConcernEntity.getContent();
                }
                mContext.startActivity(ShareCardActivity.getIntent(mContext, mConcernEntity, shareContent));
            }
        });

        viewHolder.itemView.setOnClickListener(v -> {
            DataCollectionUtils.uploadClick(mContext, "详情", "消息详情", mConcernEntity.getTitle());

            // 统计阅读量
            statNewsViews(mConcernEntity.getId());

            if (mConcernEntity.getLink() != null) {
                mContext.startActivity(WebActivity.getIntentByNews(mContext, mConcernEntity
                        , StringUtils.buildString(mEntrance, "+(消息详情)")));
            } else {
                Intent intent = new Intent(mContext, NewsDetailActivity.class);
                intent.putExtra(EntranceUtils.KEY_NEWSID, mConcernEntity.getId());
                intent.putExtra(EntranceUtils.KEY_ENTRANCE, StringUtils.buildString(mEntrance, "+(消息详情)"));
                mContext.startActivity(intent);
            }
        });

        viewHolder.comment.setOnClickListener(v -> {
            if (mOnCommentCallBackListener != null) {
                mOnCommentCallBackListener.onCommentCallback(null);
            }
        });

        viewHolder.itemView.post(() -> {
            if (isRefreshPosition) {
                Timer timer = new Timer(); // 延迟半秒，防止出现闪屏现象
                timer.schedule(new TimerTask() {
                    @Override
                    public void run() {
                        mRecyclerView.smoothScrollBy(0, viewHolder.itemView.getHeight()); //定位到评论顶部
                    }
                }, 300);
                isRefreshPosition = false;
            }
        });
    }

    private void initCommentViewHolder(final CommentViewHolder holder, int position) {

        int index;
        if (mHotCommentList.size() == 0) {
            index = 2;
        } else {
            index = 3;
        }

        int commentPosition = 0;//
        boolean isHotComment = false; //区分热门评论和最新评论 - 修改缓存链接
        CommentEntity commentEntity = null;

        // 初始化数据
        if (mHotCommentList.size() != 0 && mHotCommentList.size() > position - 2) {
            commentEntity = mHotCommentList.get(position - 2);
            isHotComment = true;

        } else if (mNormalCommentList.size() != 0 &&
                mNormalCommentList.size() > position - mHotCommentList.size() - index) {
            commentPosition = position - mHotCommentList.size() - index;
            commentEntity = mNormalCommentList.get(position - mHotCommentList.size() - index);
            isHotComment = false;

        }

        if (commentEntity == null) {
            return;
        }

        holder.commentContentTv.setText(commentEntity.getContent());
        ArticleCommentParent parent = commentEntity.getParent();
        if (parent != null && !TextUtils.isEmpty(parent.getUser().getName())) {
            holder.quoteContainer.setVisibility(View.VISIBLE);
            holder.quoteAuthorTv.setText(String.format("@%s", parent.getUser().getName()));
            String content;
            if (parent.getActive()) {
                content = parent.getComment();
            } else {
                content = mContext.getString(R.string.comment_hide_hint);
            }
            holder.quoteContentTv.setText(content);
        } else {
            holder.quoteContainer.setVisibility(View.GONE);
        }

        CommentUtils.setCommentUserView(mContext, holder, commentEntity);

        CommentUtils.setCommentTime(holder.commentTimeTv, commentEntity.getTime());

        final CommentEntity finalCommentEntity = commentEntity;
        final boolean finalIsHotComment = isHotComment;
        final int finalCommentPosition = commentPosition;
        holder.commentLikeIv.setOnClickListener(v ->
                CheckLoginUtils.checkLogin(mContext, "资讯文章详情-评论详情-点赞",
                        () -> CommentUtils.postVote(mContext, finalCommentEntity, holder.commentLikeCountTv,
                                holder.commentLikeIv, () -> {
                                    int index1 = (finalCommentPosition / 10) * 10;

                                    //获取需要修改缓存的链接
                                    String cacheUrl;
                                    if (finalIsHotComment) {
                                        cacheUrl = StringUtils.buildString(Config.COMMENT_HOST, "article/", mConcernEntity.getId(),
                                                "/comment?order=hot&limit=10", "&offset=0"); // 热门评论固定链接
                                    } else {
                                        cacheUrl = StringUtils.buildString(Config.COMMENT_HOST, "article/", mConcernEntity.getId(),
                                                "/comment?limit=10&offset=", String.valueOf(index1));
                                    }

                                    modifyVolleyCache(finalCommentEntity.getId(), cacheUrl); //修改缓存
                                })
                ));

        holder.itemView.setOnClickListener(v ->
                CommentUtils.showReportDialog(finalCommentEntity,
                        mContext, true,
                        mOnCommentCallBackListener, null, "资讯文章详情-评论详情"));

        holder.commentUserNameTv.setOnClickListener(v -> PersonalHomeActivity.startTargetActivity(mContext, finalCommentEntity.getUser().getId(), mEntrance, "文章-评论详情"));
        holder.commentUserIconDv.setOnClickListener(v -> PersonalHomeActivity.startTargetActivity(mContext, finalCommentEntity.getUser().getId(), mEntrance, "文章-评论详情"));

        if (commentEntity.getPriority() != 0) {
            holder.commentBadge.setVisibility(View.VISIBLE);
        } else {
            holder.commentBadge.setVisibility(View.GONE);
        }
    }

    private void initFooterViewHolder(final FooterViewHolder viewHolder) {
        if (isGetRvHeight) {
            rvHeight = mRecyclerView.getHeight();
            isGetRvHeight = false;
        }
        LinearLayout.LayoutParams params;
        int height = 0;
        if (mRecyclerView.getChildCount() != 1) {
            for (int i = 0; i < mRecyclerView.getChildCount(); i++) {
                if (i != 0 || mRecyclerView.getChildAt(0).getHeight() < 200) {
                    height = height + mRecyclerView.getChildAt(i).getHeight();
                }
            }
        }
        if (rvHeight - height < 100 || (mNormalCommentList.size() + mHotCommentList.size()) * 220 > rvHeight) {
            params = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
            ((LinearLayout) viewHolder.itemView).setGravity(Gravity.CENTER);
        } else {
            params = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, rvHeight - height);
            ((LinearLayout) viewHolder.itemView).setGravity(Gravity.CENTER_HORIZONTAL);
        }
        viewHolder.itemView.setLayoutParams(params);

        if (isNetworkError) {
            viewHolder.loading.setVisibility(View.GONE);
            viewHolder.hint.setText(R.string.loading_error_network);
        } else if (!isOver) {
            viewHolder.hint.setText(R.string.loading);
            viewHolder.loading.setVisibility(View.VISIBLE);
        } else if (mNormalCommentList.size() == 0 && mHotCommentList.size() == 0) {
            viewHolder.loading.setVisibility(View.GONE);
            viewHolder.itemView.setLayoutParams(params);
            viewHolder.itemView.setPadding(0, DisplayUtils.dip2px(mContext, 30), 0, 0);
            viewHolder.hint.setText(R.string.comment_empty);
        } else {
            if (mNormalCommentList.size() > 10) {
                viewHolder.hint.setText(R.string.comment_nomore);
            } else {
                viewHolder.hint.setText("");
            }
            viewHolder.loading.setVisibility(View.GONE);
        }

        viewHolder.itemView.setOnClickListener(v -> {
            if (isNetworkError) {
                isNetworkError = false;
                viewHolder.loading.setVisibility(View.VISIBLE);
                viewHolder.hint.setText(R.string.loading);
                addHotComment();
                notifyDataSetChanged();
            }
        });
    }

    private void statNewsViews(final String news_id) {
        RetrofitManager.getInstance(mContext).getData().postNewsViews(news_id)
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new JSONObjectResponse() {
                    @Override
                    public void onResponse(JSONObject response) {
                        if (response.length() != 0) {
                            try {
                                if ("success".equals(response.getString("status"))) {

                                    mConcernEntity.setViews(mConcernEntity.getViews() + 1);
                                    notifyItemChanged(0);

                                    // 更新okhttp缓存数据
                                    VisitManager.updateOkhttpCache(mContext, mConcernEntity.getId());
                                }
                            } catch (JSONException e) {
                                e.printStackTrace();
                            }
                        }
                    }
                });
    }

    private void modifyVolleyCache(String id, String url) {
        if (url == null) {
            return;
        }
        url = TimestampUtils.addTimestamp(url);
        byte[] data = OkHttpCache.getCache(mContext, url);
        if (data != null) {
            try {
                JSONArray jsonArray = new JSONArray(new String(data));
                JSONObject jsonObject;
                for (int i = 0, size = jsonArray.length(); i < size; i++) {
                    jsonObject = jsonArray.getJSONObject(i);
                    if (jsonObject.getString("_id").equals(id)) {
                        jsonObject.put("vote", jsonObject.getInt("vote") + 1);
                        break;
                    }
                }
                OkHttpCache.updateCache(mContext, url, jsonArray.toString().getBytes());
            } catch (JSONException e) {
                e.printStackTrace();
            }
        }
    }

    public ConcernEntity getConcernEntity() {
        return mConcernEntity;
    }

    public boolean isLoading() {
        return isLoading;
    }

    // 往位置0添加评论
    public void addNormalComment(CommentEntity commentEntity) {
        mNormalCommentList.add(findTheLastPriorComment(), commentEntity);
    }

    public void addCommentCount() {
        mConcernEntity.setCommentnum(mConcernEntity.getCommentnum());
        notifyDataSetChanged();
    }

    public int findTheLastPriorComment() {
        int lastPriorityPosition = 0;
        for (int i = 0; i < mNormalCommentList.size(); i++) {
            if (mNormalCommentList.get(i).getPriority() != 0) {
                lastPriorityPosition = i + 1;
            }
        }
        return lastPriorityPosition;
    }

    public int getHotCommentListSize() {
        int index = 0;
        if (mHotCommentList.size() != 0) {
            index = mHotCommentList.size() + 1;
        }
        return index;
    }

    public void addConcernEntity(ConcernEntity concernEntity) {
        this.mConcernEntity = concernEntity;
    }

    public boolean isOver() {
        return isOver;
    }

}