package com.gh.gamecenter.adapter;

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;
import android.support.v4.content.ContextCompat;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.RecyclerView.ViewHolder;
import android.text.Html;
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.CommentUtils;
import com.gh.common.util.ConcernContentUtils;
import com.gh.common.util.DataCollectionUtils;
import com.gh.common.util.DataUtils;
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.MessageDetailActivity;
import com.gh.gamecenter.NewsDetailActivity;
import com.gh.gamecenter.R;
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.db.CommentDao;
import com.gh.gamecenter.db.VoteDao;
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 org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Timer;
import java.util.TimerTask;

import retrofit2.HttpException;
import rx.android.schedulers.AndroidSchedulers;
import rx.schedulers.Schedulers;

/**
 * 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;
    boolean isGetRvHeight = true; // 防止评论时弹出软键盘 影响RecyclerView高度
    int rvHeight;
    private ConcernEntity mConcernEntity;
    private OnCommentCallBackListener mOnCommentCallBackListener;
    private RecyclerView mRecyclerView;
    private List<CommentEntity> mHotCommentList;
    private List<CommentEntity> mNormalCommentList;
    private VoteDao mVoteDao;
    private CommentDao mCommentDao;
    private SharedPreferences sp;
    private String userName; //用户名
    private String userIcon; //用户icon
    private String mEntrance;
    private boolean isOver;
    private boolean isLoading;
    private boolean isNetworkError;
    private boolean isRefreshPosition;

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

        mVoteDao = new VoteDao(context);
        mCommentDao = commentDao;

        sp = context.getSharedPreferences(Config.PREFERENCE, Context.MODE_PRIVATE);

        userName = sp.getString("user_name", null);
        userIcon = sp.getString("user_icon", null);

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

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

        mConcernEntity = concernEntity;

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

    public void addHotComment(int offset) {
        RetrofitManager.getComment().getHotComment(mConcernEntity.getId(), 10, offset)
                .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(mNormalCommentList.size()); // 考虑到断网刷新问题
                    }

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

    public void addNormalComment(int offset) {
        if (isLoading) {
            return;
        }
        isLoading = true;
        RetrofitManager.getComment().getComment(mConcernEntity.getId(), 10, offset)
                .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();

                        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("热门评论");
            } else {
                ((CommentHeadViewHolder) holder).commentHeadTitleTv.setText("最新评论");
            }
        }
    }

    @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.read.setText(String.format(Locale.getDefault(), "阅读  %d", mConcernEntity.getViews()));
        }

        if (mConcernEntity.getCommentnum() != 0) {
            if (mConcernEntity.getCommentnum() > 999) {
                viewHolder.commentnum.setText(R.string.thousand);
            } else {
                viewHolder.commentnum.setText(String.valueOf(mConcernEntity.getCommentnum()));
            }
        }

        if (mConcernEntity.getLink() != null) {
            viewHolder.link.setImageResource(R.drawable.ic_link);
        } else {
            viewHolder.link.setImageResource(R.drawable.concern_message_icon);
        }

        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[", mConcernEntity.getGameName(), "])"),
                    mContext.getResources().getDisplayMetrics().widthPixels - DisplayUtils.dip2px(mContext, 34));
        }

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

        viewHolder.share.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                ShareCardPicActivity.startShareCardPicActivity(mContext, mConcernEntity, mEntrance);
            }
        });

        viewHolder.itemView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Map<String, Object> kv = new HashMap<>();
                kv.put("名字", mConcernEntity.getTitle());
                DataUtils.onEvent(mContext, "点击", "消息详情", kv);

                DataCollectionUtils.uploadClick(mContext, "详情", "消息详情", mConcernEntity.getTitle());

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

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

        viewHolder.comment.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (mOnCommentCallBackListener != null) {
                    mOnCommentCallBackListener.onCommentCallback(null);
                }
            }
        });

        viewHolder.itemView.post(new Runnable() {
            @Override
            public void run() {
                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;
        }

        if (commentEntity.getParent() != null) {
            holder.commentContentTv.setText(StringUtils.buildString("回复", commentEntity.getParent().getUser().getName(),
                    ": ", commentEntity.getContent()));
        } else {
            holder.commentContentTv.setText(commentEntity.getContent());
        }


        holder.commentLikeCountTv.setTextColor(ContextCompat.getColor(mContext, R.color.hint));
        holder.commentLikeIv.setImageResource(R.drawable.ic_like_unselect);

        if (commentEntity.getVote() == 0) {
            holder.commentLikeCountTv.setVisibility(View.GONE);
        } else { // 检查是否已点赞
            if (mVoteDao.isVote(commentEntity.getId()) && commentEntity.getVote() >= 1) {
                holder.commentLikeCountTv.setTextColor(ContextCompat.getColor(mContext, R.color.theme));
                holder.commentLikeIv.setImageResource(R.drawable.ic_like_select);
            }
            holder.commentLikeCountTv.setVisibility(View.VISIBLE);
            holder.commentLikeCountTv.setText(String.valueOf(commentEntity.getVote()));
        }

        //检查是否是自身评论
        if (userName != null && userIcon != null && !userIcon.isEmpty() &&
                !userIcon.isEmpty() && mCommentDao.isMyComment(commentEntity.getId())) {
            holder.commentUserNameTv.setText(sp.getString("user_name", null));
//            holder.commentUserIconDv.setImageURI(sp.getString("user_icon", null));
            ImageUtils.display(holder.commentUserIconDv, sp.getString("user_icon", null));
        } else {
            holder.commentUserNameTv.setText(commentEntity.getUser().getName());
            if (commentEntity.getUser().getIcon().isEmpty()) {
                holder.commentUserIconDv.setImageURI(Uri.parse("res:///" + R.drawable.user_default_icon_comment));
            } else {
//                holder.commentUserIconDv.setImageURI(commentEntity.getUser().getIcon());
                ImageUtils.display(holder.commentUserIconDv, commentEntity.getUser().getIcon());
            }
        }

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

        final CommentEntity finalCommentEntity = commentEntity;
        final boolean finalIsHotComment = isHotComment;
        final int finalCommentPosition = commentPosition;
        holder.commentLikeIv.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                CommentUtils.initVote(mContext, finalCommentEntity, mVoteDao, holder.commentLikeCountTv,
                        holder.commentLikeIv, new CommentUtils.OnVoteListener() {
                            @Override
                            public void onVote() {
                                int index = (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(index));
                                }

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

            }
        });

        holder.itemView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                CommentUtils.showReportDialog(finalCommentEntity, mContext, mOnCommentCallBackListener, null);
            }
        });
    }

    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("目前还没有评论");
        } else {
            if (mNormalCommentList.size() > 10) {
                viewHolder.hint.setText("没有更多评论啦");
            } else {
                viewHolder.hint.setText("");
            }
            viewHolder.loading.setVisibility(View.GONE);
        }

        viewHolder.itemView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (isNetworkError) {
                    isNetworkError = false;
                    viewHolder.loading.setVisibility(View.VISIBLE);
                    viewHolder.hint.setText(R.string.loading);
                    addHotComment(0);
                }
            }
        });
    }

    private void statNewsViews(final String news_id) {
        RetrofitManager.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(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(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(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(0, commentEntity);
    }

    public void addCommentCount() {
        mConcernEntity.setCommentnum(mConcernEntity.getCommentnum() + 1);
        notifyItemChanged(0);
    }

    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;
    }

}