package com.tzld.piaoquan.recommend.server.service.rank.tansform;

import com.tzld.piaoquan.recommend.server.model.MachineInfo;
import com.tzld.piaoquan.recommend.server.service.rank.RankParam;
import com.tzld.piaoquan.recommend.server.service.rank.bo.UserSRBO;
import com.tzld.piaoquan.recommend.server.service.rank.bo.UserShareReturnProfile;
import com.tzld.piaoquan.recommend.server.service.rank.bo.VideoAttrSRBO;
import com.tzld.piaoquan.recommend.server.service.rank.extractor.ExtractorUtils;
import com.tzld.piaoquan.recommend.server.util.FeatureUtils;
import com.tzld.piaoquan.recommend.server.util.SimilarityUtils;
import com.tzld.piaoquan.recommend.similarity.word2vec.Segment;
import org.apache.commons.collections4.MapUtils;
import org.apache.commons.lang3.StringUtils;

import java.util.*;

public class FeatureV6 {
    private static final int seqMaxN = 2;
    private static final int seqLastN = 2;
    private static final double smoothPlus = 5.0;
    private static final double largerSmoothPlus = 30.0;
    private static final double log1Scale = 10.0;
    private static final List<String> c1Periods = Arrays.asList("72h", "168h");
    private static final List<String> b0Periods = Arrays.asList("1h", "3h", "6h", "12h");
    private static final List<String> b1Periods = Arrays.asList("1h", "3h", "6h", "24h", "72h", "168h");
    private static final List<String> b2Periods = Arrays.asList("1h", "3h", "6h", "24h");
    private static final List<String> b3Periods = Arrays.asList("1h", "3h", "6h", "24h", "72h");
    private static final List<String> b4Periods = Arrays.asList("1h", "3h", "6h", "12h", "24h", "72h");
    private static final List<String> b5Periods = Arrays.asList("1h", "3h", "6h", "12h", "24h", "72h");
    private static final List<String> b6Periods = Arrays.asList("1h", "24h");
    private static final List<String> b7Periods = Arrays.asList("1h", "3h", "6h", "12h", "24h", "72h");
    private static final List<String> b8Periods = Arrays.asList("1h", "3h", "6h", "12h", "24h");
    private static final List<String> b9Periods = Arrays.asList("1h", "3h", "6h", "12h", "24h");
    private static final List<String> b10Periods = Arrays.asList("1h", "12h");
    private static final List<String> b11Periods = Arrays.asList("1h", "12h");
    private static final List<String> b13Periods = Arrays.asList("1h", "3h", "6h", "12h", "24h", "72h");
    private static final List<String> b14Periods = Arrays.asList("1h", "2h", "3h", "6h", "12h");
    private static final List<String> b15Periods = Arrays.asList("1h", "2h", "3h", "6h", "12h");
    private static final List<String> videoCateAttrs = Arrays.asList(FeatureUtils.cate1Attr, FeatureUtils.cate2Attr, FeatureUtils.festive1Attr,
            FeatureUtils.channelAttr, FeatureUtils.sourceAttr, FeatureUtils.uidAttr, FeatureUtils.mergeCate1Attr, FeatureUtils.mergeCate2Attr);
    private static final List<String> videoSimAttrs = Arrays.asList("title", "cate2", "cate2_list", "keywords");
    private static final List<String> reqVideoSimAttrs = Arrays.asList("title", "keywords", "merge_first_level_cate", "merge_second_level_cate");
    private static final List<String> creativeSimAttrs = Arrays.asList("title");
    private static final List<String> hVideoSimAttrs = Arrays.asList("title");
    private static final List<String> cfList = Arrays.asList("share", "return");
    private static final List<String> userAttrList = Arrays.asList("province", "city", "model", "brand", "system", "user_channel", "user_level");
    private static final Set<String> appSet = new HashSet<>(Arrays.asList("0", "2", "4"));
    private static final Set<String> hotSceneSet = new HashSet<>(Arrays.asList("1008", "1007", "1058", "1074", "1010"));
    private static final Map<String, String> histotyVideoAttrMAP = new HashMap<>();
    public static final String GS_STR = "\u001D";

    static {
        histotyVideoAttrMAP.put("merge_first_level_cate", "cate1");
        histotyVideoAttrMAP.put("merge_second_level_cate", "cate2");
    }

    public static void getContextFeature(long currentMs, String appType, String hotSceneType, Map<String, Double> featureMap) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTimeInMillis(currentMs);

        int week = calendar.get(Calendar.DAY_OF_WEEK);
        int hour = calendar.get(Calendar.HOUR_OF_DAY) + 1;
        featureMap.put(String.format("%s@%d", "week", week), 1.0);
        featureMap.put(String.format("%s@%d", "hour", hour), 1.0);
        featureMap.put("hour", hour * 1.0);
        String app;
        if (appSet.contains(appType)) {
            app = appType;
        } else {
            app = "other";
        }
        featureMap.put(String.format("%s@%s", "app", app), 1.0);
        String hot;
        if (hotSceneSet.contains(hotSceneType)) {
            hot = hotSceneType;
        } else {
            hot = "other";
        }
        featureMap.put(String.format("%s@%s", "hot", hot), 1.0);
    }

    public static void getUserFeature(Map<String, Map<String, String>> userOriginInfo, Map<String, Double> featMap) {
        oneTypeStatFeature("c1", "return_1_uv", c1Periods, userOriginInfo.get("mid_global_feature_20250212"), featMap);
    }

    public static void getUserProfileFeature(UserShareReturnProfile profile, Map<String, String> userInfo, Map<String, Double> featMap) {
        if (null != profile) {
            long s_pv = profile.getS_pv();              // share_pv(分享pv)
            long s_cnt = profile.getS_cnt();            // share_cnt(分享次数)
            long r_pv = profile.getR_pv();              // return_pv(回流pv)
            long r_uv = profile.getR_uv();              // return_uv(回流uv)
            long m_s_cnt = profile.getM_s_cnt();        // max_share_cnt(最大分享次数)
            long m_r_uv = profile.getM_r_uv();          // max_return_uv(最大回流uv)
            if (s_pv > 0) {
                double s_pv_s = FeatureUtils.log1(s_pv, log1Scale);
                double s_cnt_s = FeatureUtils.log1(s_cnt, log1Scale);
                double r_pv_s = FeatureUtils.log1(r_pv, log1Scale);
                double r_uv_s = FeatureUtils.log1(r_uv, log1Scale);
                double m_s_cnt_s = FeatureUtils.log1(m_s_cnt, log1Scale);
                double m_r_uv_s = FeatureUtils.log1(m_r_uv, log1Scale);
                double ros_one = FeatureUtils.wilsonScore(r_pv, s_pv);
                double ros = FeatureUtils.plusSmooth(r_uv, s_pv, smoothPlus);
                double ros_minus = FeatureUtils.plusSmooth(r_uv, r_pv, smoothPlus);
                double l_ros = FeatureUtils.plusSmooth(r_uv / 5.0, s_pv, largerSmoothPlus, 2);
                double l_ros_minus = FeatureUtils.plusSmooth(r_uv / 5.0, r_pv, largerSmoothPlus, 2);
                featMap.put("c9@s_pv", s_pv_s);
                featMap.put("c9@s_cnt", s_cnt_s);
                featMap.put("c9@r_pv", r_pv_s);
                featMap.put("c9@r_uv", r_uv_s);
                featMap.put("c9@m_s_cnt", m_s_cnt_s);
                featMap.put("c9@m_r_uv", m_r_uv_s);
                featMap.put("c9@ros_one", ros_one);
                featMap.put("c9@ros", ros);
                featMap.put("c9@ros_minus", ros_minus);
                featMap.put("c9@ros_#", l_ros);
                featMap.put("c9@ros_minus_#", l_ros_minus);
            }
        }
        if (null != userInfo && !userInfo.isEmpty()) {
            for (String attr : userAttrList) {
                if (userInfo.containsKey(attr)) {
                    String value = userInfo.get(attr).trim().replaceAll("(\\s+|\\t|:)", "_");
                    if (!value.isEmpty()) {
                        String key = String.format("%s@%s", attr, value.toLowerCase());
                        featMap.put(key, 1.0);
                    }
                }
            }
        }
    }

    public static void getUserTagsCrossVideoFeature(String prefix, Map<String, String> videoInfo, Map<String, String> infoMap, Map<String, Double> featMap) {
        if (null == videoInfo || videoInfo.isEmpty() || null == infoMap || infoMap.isEmpty()) {
            return;
        }
        String title = videoInfo.getOrDefault("title", "");
        if (title.isEmpty()) {
            return;
        }
        for (String period : Arrays.asList("tags_1d", "tags_3d", "tags_7d")) {
            String tags = infoMap.getOrDefault(period, "");
            if (!tags.isEmpty()) {
                Double[] doubles = ExtractorUtils.funcC34567ForTagsNew(tags, title);
                featMap.put(prefix + "_" + period + "@matchnum", doubles[0]);
                featMap.put(prefix + "_" + period + "@maxscore", doubles[1]);
                featMap.put(prefix + "_" + period + "@avgscore", doubles[2]);
            }
        }
    }

    public static void getUserCFFeature(String prefix, String vid, Map<String, Map<String, String[]>> infoMap, Map<String, Double> featMap) {
        if (vid.isEmpty() || null == infoMap || infoMap.isEmpty()) {
            return;
        }
        for (String cfType : cfList) {
            if (infoMap.containsKey(cfType)) {
                Map<String, String[]> cfScoresMap = infoMap.get(cfType);
                if (null != cfScoresMap && cfScoresMap.containsKey(vid)) {
                    String[] scores = cfScoresMap.get(vid);
                    Double score1 = Double.parseDouble(scores[0]);
                    Double score2 = Double.parseDouble(scores[1]);
                    Double score3 = Double.parseDouble(scores[2]) <= 0 ? 0D : 1.0 / Double.parseDouble(scores[2]);
                    featMap.put(prefix + "_" + cfType + "@score", score1);
                    featMap.put(prefix + "_" + cfType + "@num", score2);
                    featMap.put(prefix + "_" + cfType + "@rank", score3);
                }
            }
        }
    }

    public static void getVideoFeature(String vid, Map<String, Map<String, Map<String, String>>> videoOriginInfo, Map<String, Double> featMap) {
        oneTypeStatFeature("b0", b0Periods, videoOriginInfo.getOrDefault(vid, new HashMap<>()).get("alg_recsys_feature_video_clean_stat"), featMap);
        oneTypeStatFeature("b1", "return_1_uv", b1Periods, videoOriginInfo.getOrDefault(vid, new HashMap<>()).get("alg_vid_global_feature_20250212"), featMap);
        oneTypeStatFeature("b2", "return_n_uv", b2Periods, videoOriginInfo.getOrDefault(vid, new HashMap<>()).get("alg_vid_recommend_exp_feature_20250212"), featMap);
        oneTypeStatFeature("b3", "return_n_uv", b3Periods, videoOriginInfo.getOrDefault(vid, new HashMap<>()).get("alg_vid_recommend_flowpool_exp_feature_20250212"), featMap);
        oneTypeStatFeature("b4", "return_n_uv", b4Periods, videoOriginInfo.getOrDefault(vid, new HashMap<>()).get("alg_vid_apptype_recommend_exp_feature_20250212"), featMap);
        oneTypeStatFeature("b5", "return_n_uv", b5Periods, videoOriginInfo.getOrDefault(vid, new HashMap<>()).get("alg_vid_province_recommend_exp_feature_20250212"), featMap);
        oneTypeStatFeature("b6", "return_n_uv", b6Periods, videoOriginInfo.getOrDefault(vid, new HashMap<>()).get("alg_vid_brand_recommend_exp_feature_20250212"), featMap);
        oneTypeStatFeature("b7", "return_n_uv", b7Periods, videoOriginInfo.getOrDefault(vid, new HashMap<>()).get("alg_vid_hotsencetype_recommend_exp_feature_20250212"), featMap);
        oneTypeStatFeature("b8", "return_n_uv", b8Periods, videoOriginInfo.getOrDefault(vid, new HashMap<>()).get("alg_merge_cate1_recommend_exp_feature_20250212"), featMap);
        oneTypeStatFeature("b9", "return_n_uv", b9Periods, videoOriginInfo.getOrDefault(vid, new HashMap<>()).get("alg_merge_cate2_recommend_exp_feature_20250212"), featMap);
        oneTypeStatFeature("b10", "return_n_uv", b10Periods, videoOriginInfo.getOrDefault(vid, new HashMap<>()).get("alg_channel_recommend_exp_feature_20250212"), featMap);
        oneTypeStatFeature("b11", "return_n_uv", b11Periods, videoOriginInfo.getOrDefault(vid, new HashMap<>()).get("alg_festive_recommend_exp_feature_20250212"), featMap);
        oneTypeStatFeature("b13", "return_n_uv", b13Periods, videoOriginInfo.getOrDefault(vid, new HashMap<>()).get("alg_video_unionid_recommend_exp_feature_20250212"), featMap);
        oneTypeStatFeature("b14", b14Periods, videoOriginInfo.getOrDefault(vid, new HashMap<>()).get("alg_recsys_feature_video_recommend_channel_layer"), featMap);
        oneTypeStatFeature("b15", b15Periods, videoOriginInfo.getOrDefault(vid, new HashMap<>()).get("alg_recsys_feature_video_recommend_channel_layer_head"), featMap);

        // head video cf
        headVideoCFD1Feature("d1", videoOriginInfo.getOrDefault(vid, new HashMap<>()).get("scene_type_vid_cf_feature_20250212"), featMap);
        headVideoCFD2Feature("d2", videoOriginInfo.getOrDefault(vid, new HashMap<>()).get("vid_click_cf_feature_20250212"), featMap);
        headVideoCFD3Feature("d3", videoOriginInfo.getOrDefault(vid, new HashMap<>()).get("alg_recsys_feature_cf_i2i_v2"), featMap);
    }

    public static void getVideoBaseFeature(String prefix, long currentMs, Map<String, String> videoInfo, Map<String, Double> featMap) {
        if (null == videoInfo || videoInfo.isEmpty()) {
            return;
        }
        featMap.put(prefix + "@total_time", FeatureUtils.log1(Double.parseDouble(videoInfo.getOrDefault("total_time", "0")), log1Scale));
        featMap.put(prefix + "@bit_rate", FeatureUtils.log1(Double.parseDouble(videoInfo.getOrDefault("bit_rate", "0")), log1Scale));
        String resolution = FeatureUtils.getResolution(videoInfo);
        if (!resolution.isEmpty()) {
            String resKey = String.format("%s@%s@%s", prefix, "res", resolution);
            featMap.put(resKey, 1.0);
        }

        // cate
        getVideoCateFeature(prefix, videoInfo, featMap);
        if (videoInfo.containsKey("title")) {
            int id = FeatureUtils.judgeVideoTimeType(videoInfo.get("title"));
            if (id > 0) {
                String key = String.format("%s@%s@%d", prefix, "tt", id);
                featMap.put(key, 1.0);
            }
        }

        // time
        try {
            if (videoInfo.containsKey("gmt_create_timestamp")) {
                String createMsStr = videoInfo.get("gmt_create_timestamp");
                long createMs = Long.parseLong(createMsStr);
                double createTime = FeatureUtils.getTimeDiff(currentMs, createMs);
                featMap.put(prefix + "@ts", 1 - createTime);
            }
        } catch (Exception ignored) {
        }
    }

    public static void getHeadRankVideoCrossFeature(Map<String, String> headInfo, Map<String, String> rankInfo, Map<String, Double> featMap) {
        getTwoVideoCrossFeature("hr_sim", videoSimAttrs, headInfo, rankInfo, featMap);
    }

    public static void getRequestRankVideoCrossFeature(Map<String, String> headInfo, Map<String, String> rankInfo, Map<String, Double> featMap) {
        getTwoVideoCrossFeature("sim", reqVideoSimAttrs, headInfo, rankInfo, featMap);
    }

    public static void getCreativeBaseFeature(String prefix, Map<String, String> creativeInfo, Map<String, Double> featMap) {
        if (null == creativeInfo || creativeInfo.isEmpty()) {
            return;
        }
        if (creativeInfo.containsKey("ghId")) {
            String ghId = creativeInfo.get("ghId");
            if (null != ghId && !ghId.isEmpty()) {
                String key = String.format("%s@gid@%s", prefix, ghId);
                featMap.put(key, 1.0);
            }
        }
        if (creativeInfo.containsKey("name")) {
            String name = creativeInfo.get("name");
            if (null != name && !name.isEmpty()) {
                List<String> words = Segment.getWords(name);
                for (String word : words) {
                    if (null != word && word.length() > 1) {
                        String key = String.format("%s@name@%s", prefix, word);
                        featMap.put(key, 1.0);
                    }
                }
            }
        }
    }

    public static void getCreativeCrossFeature(String prefix, Map<String, String> creativeInfo, Map<String, String> rankInfo, Map<String, Double> featMap) {
        getTwoVideoCrossFeature(prefix, creativeSimAttrs, creativeInfo, rankInfo, featMap);
    }

    public static void getProfileVideoCrossFeature(long currentMs, UserShareReturnProfile profile, Map<String, String> rankVideo, Map<String, Map<String, String>> hVideoMap, Map<String, Double> featMap) {
        if (null == profile) {
            return;
        }
        getRSCrossFeature(false, "c9_mss", currentMs, seqMaxN, profile.getM_s_s(), rankVideo, hVideoMap, featMap);
        getRSCrossFeature(false, "c9_mrs", currentMs, seqMaxN, profile.getM_r_s(), rankVideo, hVideoMap, featMap);
        getRSCrossFeature(true, "c9_lss", currentMs, seqLastN, profile.getL_s_s(), rankVideo, hVideoMap, featMap);
        getRSCrossFeature(false, "c9_lrs", currentMs, seqLastN, profile.getL_r_s(), rankVideo, hVideoMap, featMap);
        getRSCrossFeature(true, "c9_lr1s", currentMs, seqLastN, profile.getL_r1_s(), rankVideo, hVideoMap, featMap);

        if (null == rankVideo || rankVideo.isEmpty()) {
            return;
        }
        getVideoAttrSRCrossFeature("c9_c1s", rankVideo.getOrDefault("merge_first_level_cate", ""), profile.getC1_s(), featMap);
        getVideoAttrSRCrossFeature("c9_c2s", rankVideo.getOrDefault("merge_second_level_cate", ""), profile.getC2_s(), featMap);
        getVideoAttrSRCrossFeature("c9_l1s", rankVideo.getOrDefault("festive_label1", ""), profile.getL1_s(), featMap);
        getVideoAttrSRCrossFeature("c9_l2s", rankVideo.getOrDefault("festive_label2", ""), profile.getL2_s(), featMap);

        // 视频解构的关键词
        if (rankVideo.containsKey("dk_keywords")) {
            String dkKeywords = rankVideo.get("dk_keywords");
            if (Objects.isNull(dkKeywords) || dkKeywords.isEmpty()) {
                return;
            }
            for (String kw : dkKeywords.split("[,，、]")) {
                kw = kw.replaceAll("(\\s+|\\t|:)", "");
                getVideoAttrSRCrossFeature("c9_dks", kw, profile.getD_k_s(), featMap);
            }
        }
    }

    private static void getRSCrossFeature(boolean flag, String prefix, long currentMs, int maxN, List<UserSRBO> list, Map<String, String> rankVideo, Map<String, Map<String, String>> hVideoMap, Map<String, Double> featMap) {
        if (null != list && !list.isEmpty()) {
            for (int i = 0; i < list.size() && i < maxN; i++) {
                UserSRBO u = list.get(i);
                if (null != u) {
                    long id = u.getId();
                    long cnt = u.getCnt();
                    long uv = u.getUv();
                    long ts = u.getTs();
                    if (id > 0) {
                        String vid = id + "";
                        String baseKey = String.format("%s@%d", prefix, i + 1);
                        if (cnt > 0) {
                            featMap.put(baseKey + "@cnt", FeatureUtils.log1(cnt, log1Scale));
                        }
                        if (uv > 0) {
                            featMap.put(baseKey + "@uv", FeatureUtils.log1(uv, log1Scale));
                        }
                        if (ts > 0) {
                            long historyMs = ts * 1000;
                            featMap.put(baseKey + "@ts", 1 - FeatureUtils.getTimeDiff(currentMs, historyMs));

                            // history week & hour
                            Calendar calendar = Calendar.getInstance();
                            calendar.setTimeInMillis(historyMs);
                            featMap.put(String.format("%s_week@%d", baseKey, calendar.get(Calendar.DAY_OF_WEEK)), 1.0);
                            featMap.put(String.format("%s_hour@%d", baseKey, calendar.get(Calendar.HOUR_OF_DAY) + 1), 1.0);
                        }
                        if (null != hVideoMap && hVideoMap.containsKey(vid)) {
                            Map<String, String> hVideo = hVideoMap.get(vid);
                            getTwoVideoCrossFeature(baseKey, hVideoSimAttrs, hVideo, rankVideo, featMap);
                            if (flag) {
                                getHistoryVideoCateFeature(baseKey, hVideo, featMap);
                            }
                        }
                    }
                }
            }
        }
    }

    private static void getVideoAttrSRCrossFeature(String prefix, String attr, Map<String, VideoAttrSRBO> attrMap, Map<String, Double> featMap) {
        if (null == attrMap || attrMap.isEmpty()) {
            return;
        }
        attr = attr.trim();
        if (attrMap.containsKey(attr)) {
            VideoAttrSRBO bo = attrMap.get(attr);
            if (null != bo) {
                long sp = bo.getSp();    // share_pv
                long rp = bo.getRp();    // return_n_pv_noself
                long ru = bo.getRu();    // return_n_uv_noself
                long mu = bo.getMu();    // max_return_uv
                if (sp > 0) {
                    double sp_s = FeatureUtils.log1(sp, log1Scale);
                    double rp_s = FeatureUtils.log1(rp, log1Scale);
                    double ru_s = FeatureUtils.log1(ru, log1Scale);
                    double mu_s = FeatureUtils.log1(mu, log1Scale);

                    double ros_one = FeatureUtils.wilsonScore(rp, sp);
                    double ros = FeatureUtils.plusSmooth(ru, sp, smoothPlus);
                    double ros_minus = FeatureUtils.plusSmooth(ru, rp, smoothPlus);
                    double l_ros = FeatureUtils.plusSmooth(ru / 5.0, sp, largerSmoothPlus, 2);
                    double l_ros_minus = FeatureUtils.plusSmooth(ru / 5.0, rp, largerSmoothPlus, 2);

                    featMap.put(prefix + "@sp", sp_s);
                    featMap.put(prefix + "@rp", rp_s);
                    featMap.put(prefix + "@ru", ru_s);
                    featMap.put(prefix + "@mu", mu_s);
                    featMap.put(prefix + "@ros_one", ros_one);
                    featMap.put(prefix + "@ros", ros);
                    featMap.put(prefix + "@ros_minus", ros_minus);
                    featMap.put(prefix + "@ros_#", l_ros);
                    featMap.put(prefix + "@ros_minus_#", l_ros_minus);
                }
            }
        }
    }

    private static void getVideoCateFeature(String prefix, Map<String, String> videoInfo, Map<String, Double> featMap) {
        if (null == videoInfo || videoInfo.isEmpty()) {
            return;
        }
        for (String attr : videoCateAttrs) {
            String attrVal = videoInfo.getOrDefault(attr, "");
            attrVal = attrVal.trim();
            if (!attrVal.isEmpty() && !attrVal.equals("unknown")) {
                String key = String.format("%s@%s@%s", prefix, attr, attrVal);
                featMap.put(key, 1.0);
            }
        }
        if (videoInfo.containsKey("keywords")) {
            String keywords = videoInfo.get("keywords");
            if (null != keywords && !keywords.isEmpty()) {
                for (String kw : keywords.split("[,，、]")) {
                    kw = kw.replaceAll("(\\s+|\\t|:)", "");
                    if (!kw.isEmpty()) {
                        String featKey = String.format("%s@kw@%s", prefix, kw);
                        featMap.put(featKey, 1.0);
                    }
                }
            }
        }
        // 视频解构的关键词 ID特征
        if (videoInfo.containsKey("dk_keywords")) {
            String dkKeywords = videoInfo.get("dk_keywords");
            if (Objects.nonNull(dkKeywords) && !dkKeywords.isEmpty()) {
                for (String kw : dkKeywords.split("[,，、]")) {
                    kw = kw.replaceAll("(\\s+|\\t|:)", "");
                    if (!kw.isEmpty()) {
                        String featKey = String.format("%s@dkw@%s", prefix, kw);
                        featMap.put(featKey, 1.0);
                    }
                }
            }
        }
    }

    private static void getTwoVideoCrossFeature(String prefix, List<String> attrs, Map<String, String> video1, Map<String, String> video2, Map<String, Double> featMap) {
        if (null == video1 || video1.isEmpty() || null == video2 || video2.isEmpty()) {
            return;
        }
        for (String attr : attrs) {
            String attr1 = video1.getOrDefault(attr, "");
            String attr2 = video2.getOrDefault(attr, "");
            if (!"".equals(attr1) && !"unknown".equals(attr1) && !"".equals(attr2) && !"unknown".equals(attr2)) {
                double simScore = SimilarityUtils.word2VecSimilarity(attr1, attr2);
                featMap.put(prefix + "@" + attr, simScore);
            }
        }
    }

    private static void headVideoCFD1Feature(String prefix, Map<String, String> infoMap, Map<String, Double> featMap) {
        double ros_cf_score = getOneInfo("ros_cf_score", infoMap);
        double ros_cf_rank = getOneInfo("ros_cf_rank", infoMap);
        double rov_cf_score = getOneInfo("rov_cf_score", infoMap);
        double rov_cf_rank = getOneInfo("rov_cf_rank", infoMap);
        featMap.put(prefix + "@ros_cf_score", ros_cf_score);
        featMap.put(prefix + "@ros_cf_rank", ros_cf_rank);
        featMap.put(prefix + "@rov_cf_score", rov_cf_score);
        featMap.put(prefix + "@rov_cf_rank", rov_cf_rank);
    }

    private static void headVideoCFD2Feature(String prefix, Map<String, String> infoMap, Map<String, Double> featMap) {
        double score = getOneInfo("score", infoMap);
        double rank = getOneInfo("rank", infoMap);
        featMap.put(prefix + "@score", score);
        featMap.put(prefix + "@rank", rank);
    }

    private static void headVideoCFD3Feature(String prefix, Map<String, String> infoMap, Map<String, Double> featMap) {
        double exp = getOneInfo("exp", infoMap);
        double return_n = getOneInfo("return_n", infoMap);
        double rovn = FeatureUtils.plusSmooth(return_n, exp, smoothPlus);
        featMap.put(prefix + "@exp", FeatureUtils.log1(exp, log1Scale));
        featMap.put(prefix + "@return_n", FeatureUtils.log1(return_n, log1Scale));
        featMap.put(prefix + "@rovn", rovn);
    }

    public static Map<String, Map<String, String[]>> parseUCFScore(Map<String, String> mapInfo) {
        Map<String, Map<String, String[]>> allScoresMap = new HashMap<>();
        for (String cfType : cfList) {
            String data = mapInfo.getOrDefault(cfType, "");
            if (!data.isEmpty()) {
                Map<String, String[]> oneScoresMap = new HashMap<>();
                String[] entries = data.split(",");
                for (String entry : entries) {
                    String[] rList = entry.split(":");
                    if (rList.length >= 4) { // 确保分割后有四个元素
                        String key = rList[0];
                        String value1 = rList[1];
                        String value2 = rList[2];
                        String value3 = rList[3];
                        String[] strs = {value1, value2, value3};
                        oneScoresMap.put(key, strs);
                    }
                }
                if (!oneScoresMap.isEmpty()) {
                    allScoresMap.put(cfType, oneScoresMap);
                }
            }
        }
        return allScoresMap;
    }

    private static void oneTypeStatFeature(String prefix, String uvPrefix, List<String> periods, Map<String, String> infoMap, Map<String, Double> featMap) {
        if (null == infoMap || infoMap.isEmpty()) {
            return;
        }
        for (String period : periods) {
            double exp = getOneInfo("exp_" + period, infoMap);
            if (!FeatureUtils.greaterThanZero(exp)) {
                continue;
            }
            double is_share = getOneInfo("is_share_" + period, infoMap);
            double share_cnt = getOneInfo("share_cnt_" + period, infoMap);
            double is_return_1 = getOneInfo("is_return_1_" + period, infoMap);
            double return_n_uv = getOneInfo(uvPrefix + "_" + period, infoMap);

            double exp_s = FeatureUtils.log1(exp, log1Scale);
            double is_share_s = FeatureUtils.log1(is_share, log1Scale);
            double share_cnt_s = FeatureUtils.log1(share_cnt, log1Scale);
            double is_return_1_s = FeatureUtils.log1(is_return_1, log1Scale);
            double return_n_uv_s = FeatureUtils.log1(return_n_uv, log1Scale);

            double str = FeatureUtils.wilsonScore(is_share, exp);
            double str_plus = FeatureUtils.wilsonScore(is_return_1, exp);
            double ros_one = FeatureUtils.wilsonScore(is_return_1, is_share);

            // larger smooth
            double l_rovn = FeatureUtils.plusSmooth(return_n_uv, exp, largerSmoothPlus, 1);
            double l_ros = FeatureUtils.plusSmooth(return_n_uv / 5, is_share, largerSmoothPlus, 2);
            double l_ros_n = FeatureUtils.plusSmooth(return_n_uv / 5, share_cnt, largerSmoothPlus, 2);
            double l_ros_minus = FeatureUtils.plusSmooth(return_n_uv / 5, is_return_1, largerSmoothPlus, 2);

            featMap.put(prefix + "_" + period + "@" + "exp", exp_s);
            featMap.put(prefix + "_" + period + "@" + "is_share", is_share_s);
            featMap.put(prefix + "_" + period + "@" + "share_cnt", share_cnt_s);
            featMap.put(prefix + "_" + period + "@" + "is_return_1", is_return_1_s);
            featMap.put(prefix + "_" + period + "@" + "return_n_uv", return_n_uv_s);
            featMap.put(prefix + "_" + period + "@" + "str", str);
            featMap.put(prefix + "_" + period + "@" + "str_plus", str_plus);
            featMap.put(prefix + "_" + period + "@" + "ros_one", ros_one);

            // larger smooth
            featMap.put(prefix + "_" + period + "@" + "rovn_#", l_rovn);
            featMap.put(prefix + "_" + period + "@" + "ros_#", l_ros);
            featMap.put(prefix + "_" + period + "@" + "ros_n_#", l_ros_n);
            featMap.put(prefix + "_" + period + "@" + "ros_minus_#", l_ros_minus);
        }
    }

    private static void oneTypeStatFeature(String prefix, List<String> periods, Map<String, String> infoMap, Map<String, Double> featMap) {
        if (null == infoMap || infoMap.isEmpty()) {
            return;
        }
        for (String period : periods) {
            double exp = getOneInfo("exp_" + period, infoMap);
            if (!FeatureUtils.greaterThanZero(exp)) {
                continue;
            }
            double is_share = getOneInfo("is_share_" + period, infoMap);
            double share_cnt = getOneInfo("share_cnt_" + period, infoMap);
            double is_return_1 = getOneInfo("is_return_1_" + period, infoMap);
            double return_1_uv = getOneInfo("return_1_uv_" + period, infoMap);
            double return_n_uv = getOneInfo("return_n_uv_" + period, infoMap);

            double exp_s = FeatureUtils.log1(exp, log1Scale);
            double is_share_s = FeatureUtils.log1(is_share, log1Scale);
            double share_cnt_s = FeatureUtils.log1(share_cnt, log1Scale);
            double is_return_1_s = FeatureUtils.log1(is_return_1, log1Scale);
            double return_1_uv_s = FeatureUtils.log1(return_1_uv, log1Scale);
            double return_n_uv_s = FeatureUtils.log1(return_n_uv, log1Scale);

            double str = FeatureUtils.wilsonScore(is_share, exp);
            double str_plus = FeatureUtils.wilsonScore(is_return_1, exp);
            double ros_one = FeatureUtils.wilsonScore(is_return_1, is_share);

            // larger smooth
            double l_rovn1 = FeatureUtils.plusSmooth(return_1_uv, exp, largerSmoothPlus, 1);
            double l_ros1 = FeatureUtils.plusSmooth(return_1_uv / 5, is_share, largerSmoothPlus, 2);
            double l_ros_n1 = FeatureUtils.plusSmooth(return_1_uv / 5, share_cnt, largerSmoothPlus, 2);
            double l_ros_minus1 = FeatureUtils.plusSmooth(return_1_uv / 5, is_return_1, largerSmoothPlus, 2);

            double l_rovn = FeatureUtils.plusSmooth(return_n_uv, exp, largerSmoothPlus, 1);
            double l_ros = FeatureUtils.plusSmooth(return_n_uv / 5, is_share, largerSmoothPlus, 2);
            double l_ros_n = FeatureUtils.plusSmooth(return_n_uv / 5, share_cnt, largerSmoothPlus, 2);
            double l_ros_minus = FeatureUtils.plusSmooth(return_n_uv / 5, is_return_1, largerSmoothPlus, 2);

            featMap.put(prefix + "_" + period + "@" + "exp", exp_s);
            featMap.put(prefix + "_" + period + "@" + "is_share", is_share_s);
            featMap.put(prefix + "_" + period + "@" + "share_cnt", share_cnt_s);
            featMap.put(prefix + "_" + period + "@" + "is_return_1", is_return_1_s);
            featMap.put(prefix + "_" + period + "@" + "return_1_uv", return_1_uv_s);
            featMap.put(prefix + "_" + period + "@" + "return_n_uv", return_n_uv_s);
            featMap.put(prefix + "_" + period + "@" + "str", str);
            featMap.put(prefix + "_" + period + "@" + "str_plus", str_plus);
            featMap.put(prefix + "_" + period + "@" + "ros_one", ros_one);

            // larger smooth
            featMap.put(prefix + "_" + period + "@" + "rovn1_#", l_rovn1);
            featMap.put(prefix + "_" + period + "@" + "ros1_#", l_ros1);
            featMap.put(prefix + "_" + period + "@" + "ros_n1_#", l_ros_n1);
            featMap.put(prefix + "_" + period + "@" + "ros_minus1_#", l_ros_minus1);
            featMap.put(prefix + "_" + period + "@" + "rovn_#", l_rovn);
            featMap.put(prefix + "_" + period + "@" + "ros_#", l_ros);
            featMap.put(prefix + "_" + period + "@" + "ros_n_#", l_ros_n);
            featMap.put(prefix + "_" + period + "@" + "ros_minus_#", l_ros_minus);
        }
    }

    private static double getOneInfo(String name, Map<String, String> map) {
        if (null == map) {
            return 0.0;
        }
        return map.isEmpty() ? 0 : Double.parseDouble(map.getOrDefault(name, "0.0"));
    }

    private static void getHistoryVideoCateFeature(String prefix, Map<String, String> videoInfo, Map<String, Double> featMap) {
        if (null == videoInfo || videoInfo.isEmpty()) {
            return;
        }
        for (Map.Entry<String, String> entry : histotyVideoAttrMAP.entrySet()) {
            String attr = entry.getKey();
            String attrVal = videoInfo.getOrDefault(attr, "");
            attrVal = attrVal.trim();
            if (!attrVal.isEmpty() && !attrVal.equals("unknown")) {
                String key = String.format("%s@%s@%s", prefix, entry.getValue(), attrVal);
                featMap.put(key, 1.0);
            }
        }
    }

    /**
     * 提取 c9 序列特征的 String 原始值（week/hour/cate1/cate2），供 DNN 模型使用。
     * 离线 FG 编码直接取原始值（如 week="3"），在线也需要对齐。
     */
    public static void putProfileVideoCrossStringFeature(long currentMs, UserShareReturnProfile profile,
                                                         Map<String, Map<String, String>> hVideoMap,
                                                         Map<String, String> featureMapString) {
        if (null == profile) {
            return;
        }
        putRSCrossStringFeature(false, "c9_mss", currentMs, seqMaxN, profile.getM_s_s(), hVideoMap, featureMapString);
        putRSCrossStringFeature(false, "c9_mrs", currentMs, seqMaxN, profile.getM_r_s(), hVideoMap, featureMapString);
        putRSCrossStringFeature(true, "c9_lss", currentMs, seqLastN, profile.getL_s_s(), hVideoMap, featureMapString);
        putRSCrossStringFeature(false, "c9_lrs", currentMs, seqLastN, profile.getL_r_s(), hVideoMap, featureMapString);
        putRSCrossStringFeature(true, "c9_lr1s", currentMs, seqLastN, profile.getL_r1_s(), hVideoMap, featureMapString);
    }

    private static void putRSCrossStringFeature(boolean hasCate, String prefix, long currentMs, int maxN,
                                                 List<UserSRBO> list, Map<String, Map<String, String>> hVideoMap,
                                                 Map<String, String> featureMapString) {
        if (null == list || list.isEmpty()) {
            return;
        }
        for (int i = 0; i < list.size() && i < maxN; i++) {
            UserSRBO u = list.get(i);
            if (null == u) continue;
            long id = u.getId();
            long ts = u.getTs();
            if (id <= 0) continue;

            String baseKey = String.format("%s@%d", prefix, i + 1);

            // week & hour
            if (ts > 0) {
                Calendar calendar = Calendar.getInstance();
                calendar.setTimeInMillis(ts * 1000);
                featureMapString.put(baseKey + "_week", String.valueOf(calendar.get(Calendar.DAY_OF_WEEK)));
                featureMapString.put(baseKey + "_hour", String.valueOf(calendar.get(Calendar.HOUR_OF_DAY) + 1));
            }

            // cate1 & cate2
            if (hasCate && null != hVideoMap) {
                String vid = id + "";
                Map<String, String> hVideo = hVideoMap.getOrDefault(vid, new HashMap<>());
                String cate1 = hVideo.getOrDefault("merge_first_level_cate", "").trim();
                String cate2 = hVideo.getOrDefault("merge_second_level_cate", "").trim();
                featureMapString.put(baseKey + "_cate1", (!cate1.isEmpty() && !cate1.equals("unknown")) ? cate1 : "");
                featureMapString.put(baseKey + "_cate2", (!cate2.isEmpty() && !cate2.equals("unknown")) ? cate2 : "");
            }
        }
    }

    public static void putVideoStringFeatures(String prefix, Map<String, String> videoInfo, Map<String, String> featureMapToString) {
        featureMapToString.put(prefix + "@resolution", videoInfo.getOrDefault("resolution", ""));
        featureMapToString.put(prefix + "@time_type", videoInfo.getOrDefault("time_type", ""));
        featureMapToString.put(prefix + "@cate2", videoInfo.getOrDefault("merge_second_level_cate", ""));
        featureMapToString.put(prefix + "@cate1_list", videoInfo.getOrDefault("merge_first_level_cate", ""));
        featureMapToString.put(prefix + "@festive_label1", videoInfo.getOrDefault("festive_label1", ""));
        featureMapToString.put(prefix + "@channel", videoInfo.getOrDefault("channel", ""));
        featureMapToString.put(prefix + "@vid_source", videoInfo.getOrDefault("vid_source", ""));
        featureMapToString.put(prefix + "@uid", videoInfo.getOrDefault("uid", ""));
        featureMapToString.put(prefix + "@keywords", videoInfo.getOrDefault("keywords", ""));
        featureMapToString.put(prefix + "@merge_first_level_cate", videoInfo.getOrDefault("merge_first_level_cate", ""));
        featureMapToString.put(prefix + "@merge_second_level_cate", videoInfo.getOrDefault("merge_second_level_cate", ""));
    }

    public static void putUserNetworkSeqFeature(Map<String, String> featureMapString, Map<String, String> userNetworkSeqFeatureMap, Map<String, Map<String, Map<String, String>>> videoBaseInfoMap) {
        featureMapString.put("act_vid_seq", userNetworkSeqFeatureMap.getOrDefault("a_v_s", ""));
        featureMapString.put("act_type_seq", userNetworkSeqFeatureMap.getOrDefault("a_t_s", ""));


        featureMapString.put("net_vid_seq", userNetworkSeqFeatureMap.getOrDefault("n_v_s", ""));
        featureMapString.put("net_union_id_seq", userNetworkSeqFeatureMap.getOrDefault("n_u_i_s", ""));


        List<String> actVidSeq = FeatureUtils.extractVidsFromUserNetworkSeqFeature(userNetworkSeqFeatureMap, "a_v_s");
        List<String> actCate1Seq = new ArrayList<>(actVidSeq.size());
        List<String> actCate2Seq = new ArrayList<>(actVidSeq.size());
        for (String vid : actVidSeq) {
            Map<String, String> videoBaseInfo = videoBaseInfoMap.getOrDefault(vid, new HashMap<>()).getOrDefault("alg_vid_feature_basic_info", new HashMap<>());
            actCate1Seq.add(videoBaseInfo.getOrDefault("merge_first_level_cate", "unknown"));
            actCate2Seq.add(videoBaseInfo.getOrDefault("merge_second_level_cate", "unknown"));
        }
        featureMapString.put("act_cate1_seq", String.join(GS_STR, actCate1Seq));
        featureMapString.put("act_cate2_seq", String.join(GS_STR, actCate2Seq));

        List<String> netVidSeq = FeatureUtils.extractVidsFromUserNetworkSeqFeature(userNetworkSeqFeatureMap, "n_v_s");
        List<String> netCate1Seq = new ArrayList<>(netVidSeq.size());
        List<String> netCate2Seq = new ArrayList<>(netVidSeq.size());
        for (String vid : netVidSeq) {
            Map<String, String> videoBaseInfo = videoBaseInfoMap.getOrDefault(vid, new HashMap<>()).getOrDefault("alg_vid_feature_basic_info", new HashMap<>());
            netCate1Seq.add(videoBaseInfo.getOrDefault("merge_first_level_cate", "unknown"));
            netCate2Seq.add(videoBaseInfo.getOrDefault("merge_second_level_cate", "unknown"));
        }
        featureMapString.put("net_cate1_seq", String.join(GS_STR, netCate1Seq));
        featureMapString.put("net_cate2_seq", String.join(GS_STR, netCate2Seq));
    }


    public static void parseStringFeatureMap(Map<String, String> featureMapToString, RankParam param) {
        String hotSceneType = Optional.ofNullable(param.getHotSceneType()).map(String::valueOf).orElse("other");
        String province = Optional.ofNullable(param.getProvince()).orElse("");
        String city = Optional.ofNullable(param.getCity()).orElse("");
        String brand = Optional.ofNullable(param.getMachineInfo()).map(MachineInfo::getBrand).orElse("");
        String model = Optional.ofNullable(param.getMachineInfo()).map(MachineInfo::getModel).orElse("");
        String system = Optional.ofNullable(param.getMachineInfo()).map(MachineInfo::getSystem).orElse("");
        String channel = Optional.ofNullable(param.getChannelName()).orElse("");
        String userLevel = "";
        if (FeatureUtils.firstLevel(param.getUserShareDepth())) {
            userLevel = "1st";
        }

        String appTypeStr = String.valueOf(param.getAppType());
        if (appSet.contains(appTypeStr)) {
            featureMapToString.put("ctx_app", appTypeStr);
        } else {
            featureMapToString.put("ctx_app", "other");
        }

        if (hotSceneSet.contains(hotSceneType)) {
            featureMapToString.put("ctx_hot", hotSceneType);
        } else {
            featureMapToString.put("ctx_hot", "other");
        }

        featureMapToString.put("ctx_week", String.valueOf(Calendar.getInstance().get(Calendar.DAY_OF_WEEK)));
        featureMapToString.put("ctx_hour", String.valueOf(Calendar.getInstance().get(Calendar.HOUR_OF_DAY)));
        featureMapToString.put("ctx_hour_val", String.valueOf(Calendar.getInstance().get(Calendar.HOUR_OF_DAY)));
        featureMapToString.put("mid", param.getMid());
        featureMapToString.put("user_province", province);
        featureMapToString.put("user_city", city);
        featureMapToString.put("user_brand", brand);
        featureMapToString.put("user_model", model);
        featureMapToString.put("user_system", system);
        featureMapToString.put("user_channel", channel);
        featureMapToString.put("user_level", userLevel);

        Map<String, String> creativeInfo = param.getCreativeInfoFeature();
        if (MapUtils.isNotEmpty(creativeInfo)) {
            featureMapToString.put("e1_ghid", creativeInfo.getOrDefault("ghid", ""));
            featureMapToString.put("e1_name", creativeInfo.getOrDefault("name", ""));
        }else {
            featureMapToString.put("e1_ghid", "-1024");
            featureMapToString.put("e1_name", "-1024");
        }

        featureMapToString.put("union_id", "union_id_" + Optional.ofNullable(param.getUnionId()).orElse(""));
        featureMapToString.put("headvideoid", "headvideoid_" + Optional.ofNullable(param.getHeadVid()).map(Object::toString).orElse("-1024"));

        String pageSource = param.getCurrentPageSource();
        if (StringUtils.endsWith(pageSource, "pages/user-videos-share")) {
            featureMapToString.put("page_is_return", "1");
        } else {
            featureMapToString.put("page_is_return", "0");
        }
    }
}
