-- 预处理：解析 scoresmap + page 分类
-- v5: 按一级品类 (merge_first_level_cate) 分组 + GROUPING SETS + 曝光占比
-- v6: 新增相对对照组的变化率字段
WITH t_raw AS
(
    SELECT  *
            ,REPLACE(GET_JSON_OBJECT(extend_alg,'$.scoresMap'),"\\","") AS scoresmap
            ,CASE   WHEN page IN ("回流后沉浸页&内页feed","详情后沉浸页","首页feed","详情页") THEN "推荐"
                    WHEN page IN ("回流页","其他") THEN "非推荐"
                    ELSE "其他"
            END AS page_type
    FROM    loghubods.dwd_recsys_alg_sample_all_20250212
    WHERE   dt LIKE '${dt}%'
    AND     apptype IN ("0","4")
    AND     abcode IN ("ab0","ab1","ab2","ab3","ab4","ab5","ab6","ab7","ab8","ab9")
    AND     abcode NOT IN ("ab100")
    AND     extend_alg IS NOT NULL
    AND     GET_JSON_OBJECT(extend_alg,'$.scoresMap') IS NOT NULL
)
-- 过滤：只保留推荐页面
,t_filtered AS
(
    SELECT  *
    FROM    t_raw
    WHERE   page_type = "推荐"
)
-- 特征提取与维度映射
,t_base AS
(
    SELECT  dt
            ,apptype
            ,CASE   WHEN apptype IN ("4") AND abcode IN ("ab0","ab1") THEN "实验组-先验地域降权"
                    WHEN apptype IN ("4") AND abcode IN ("ab6","ab7") THEN "实验组-str+校准&ros-统计量"
                    WHEN apptype IN ("4") AND abcode IN ("ab8","ab9") THEN "实验组-str+校准"
                    WHEN apptype IN ("4") AND abcode IN ("ab2","ab3") THEN "对照组"
                    WHEN apptype IN ("4") AND abcode IN ("ab4","ab5") THEN "ab4-5"
                    ELSE "其他"
            END AS abcode
            ,page_type AS page
            ,mid
            ,vid
            ,is_share
            ,share_cnt
            ,is_return_1
            ,is_return_n
            ,is_return_noself
            ,return_1_uv
            ,return_n_uv
            ,return_n_uv_noself
            ,new_exposure_cnt
            ,flowpool
            ,scoresmap
            ,CAST(GET_JSON_OBJECT(scoresmap,'$.fmRov') AS DOUBLE) AS str_pred
            ,1.22 * pow(CAST(GET_JSON_OBJECT(scoresmap,'$.NorXGBScore') AS DOUBLE), 1.15) AS rosn_pred
            ,CAST(GET_JSON_OBJECT(scoresmap,'$.hasReturnRovScore') AS DOUBLE) AS rosn_stat
            -- 品类信息
            ,COALESCE(GET_JSON_OBJECT(v1_feature,'$.merge_first_level_cate'), 'unknown') AS cate1
            ,COALESCE(GET_JSON_OBJECT(v1_feature,'$.merge_second_level_cate'), 'unknown') AS cate2
    FROM    t_filtered
)
,t_valid AS
(
    SELECT  *
    FROM    t_base
    WHERE   str_pred IS NOT NULL
    AND     rosn_pred IS NOT NULL
)
-- 计算每个 abcode 下曝光量 top10 的一级品类
,t_cate_rank AS
(
    SELECT  dt
            ,apptype
            ,abcode
            ,cate1
            ,COUNT(1) AS cate_exp_cnt
            ,ROW_NUMBER() OVER (PARTITION BY dt, apptype, abcode ORDER BY COUNT(1) DESC) AS cate_rank
    FROM    t_valid
    GROUP BY dt, apptype, abcode, cate1
)
,t_top_cate AS
(
    SELECT  dt, apptype, abcode, cate1, cate_rank
    FROM    t_cate_rank
    WHERE   cate_rank <= 10
)
-- 标记 top 品类
,t_with_top AS
(
    SELECT  a.*
            ,CASE WHEN b.cate1 IS NOT NULL THEN a.cate1 ELSE NULL END AS top_cate1
            ,b.cate_rank AS top_cate_rank
    FROM    t_valid a
    LEFT JOIN t_top_cate b
    ON      a.dt = b.dt
    AND     a.apptype = b.apptype
    AND     a.abcode = b.abcode
    AND     a.cate1 = b.cate1
)
-- 先聚合
,t_agg AS
(
    SELECT  dt
            ,COALESCE(apptype, 'sum') AS apptype
            ,COALESCE(abcode, 'sum') AS abcode
            ,COALESCE(top_cate1, 'all') AS cate1
            ,CASE WHEN GROUPING(top_cate1) = 1 THEN NULL ELSE MAX(top_cate_rank) END AS cate_rank
            -- COPC
            ,round((SUM(is_return_noself) / COUNT(1)) / NULLIF(SUM(str_pred) / COUNT(1), 0), 4) AS str_copc
            ,round((SUM(return_n_uv_noself) / NULLIF(SUM(is_return_noself), 0)) / NULLIF(SUM(rosn_pred) / COUNT(1), 0), 4) AS rosn_copc
            ,round((SUM(return_n_uv_noself) / NULLIF(SUM(is_return_noself), 0)) / NULLIF(SUM(rosn_stat) / COUNT(1), 0), 4) AS rosn_stat_copc
            ,round((SUM(return_n_uv_noself) / COUNT(1)) / NULLIF(AVG(str_pred * rosn_pred), 0), 4) AS rovn_copc
            ,round((SUM(return_n_uv_noself) / COUNT(1)) / NULLIF(AVG(str_pred * rosn_stat), 0), 4) AS rovn_stat_copc
            -- 模型预测与真实值
            ,round(COALESCE(SUM(is_return_noself) / COUNT(1),0),6) AS str_real
            ,round(COALESCE(SUM(str_pred) / COUNT(1),0),6) AS str_pred
            ,round(COALESCE(SUM(return_n_uv_noself) / NULLIF(SUM(is_return_noself), 0),0),6) AS rosn_real
            ,round(COALESCE(SUM(rosn_pred) / COUNT(1),0),6) AS rosn_pred
            ,round(COALESCE(SUM(rosn_stat) / COUNT(1),0),6) AS rosn_stat
            ,round(SUM(return_n_uv_noself) / COUNT(1), 6) AS rovn_real
            ,round(AVG(str_pred * rosn_pred), 6) AS rovn_pred
            ,round(AVG(str_pred * rosn_stat), 6) AS rovn_stat
            -- 误差
            ,round(AVG(ABS(rosn_pred - return_n_uv_noself)),6) AS rosn_pred_mae
            ,round(AVG(ABS(rosn_stat - return_n_uv_noself)),6) AS rosn_stat_mae
            -- 业务指标
            ,round(COALESCE(COUNT(1) / COUNT(DISTINCT mid),0),2) AS exp_per_dau
            ,round(COALESCE(SUM(is_share) / COUNT(1),0),6) AS str_one
            ,round(COALESCE(SUM(return_n_uv) / SUM(is_share),0),6) AS ros_one
            ,round(COALESCE(SUM(share_cnt) / COUNT(1),0),6) AS str
            ,round(COALESCE(SUM(return_n_uv) / SUM(share_cnt),0),6) AS ros
            ,round(COALESCE(SUM(is_return_1) / COUNT(1),0),6) AS str_plus
            ,round(COALESCE(SUM(return_n_uv) / SUM(is_return_1),0),6) AS ros_minus
            ,round(COALESCE(SUM(return_n_uv) / COUNT(1),0),6) AS rovn
            ,round(COALESCE(SUM(new_exposure_cnt) / COUNT(1),0),6) AS vovh24
            ,COUNT(DISTINCT mid) AS dau
            ,COUNT(1) AS exp
            ,COALESCE(SUM(is_share),0) AS is_share
            ,COALESCE(SUM(share_cnt),0) AS share_cnt
            ,COALESCE(SUM(is_return_1),0) AS is_return_1
            ,COALESCE(SUM(return_n_uv),0) AS return_n_uv
            ,COALESCE(SUM(new_exposure_cnt),0) AS viewh24
            ,COALESCE(SUM(return_n_uv_noself),0) AS return_n_uv_noself
    FROM    t_with_top
    GROUP BY dt, apptype, abcode, top_cate1
    GROUPING SETS (
        (dt, apptype, abcode),
        (dt, apptype, abcode, top_cate1)
    )
    HAVING  top_cate1 IS NOT NULL OR GROUPING(top_cate1) = 1
)
-- 新增：获取对照组基准值并计算变化率
,t_with_baseline AS
(
    SELECT  *
            -- 计算曝光占比
            ,round(exp * 1.0 / MAX(CASE WHEN cate1 = 'all' THEN exp END) OVER (PARTITION BY dt, apptype, abcode), 4) AS exp_pct
            -- 对照组基准值（业务指标）
            ,MAX(CASE WHEN abcode = '对照组' THEN exp_per_dau END) OVER (PARTITION BY dt, apptype, cate1) AS exp_per_dau_base
            ,MAX(CASE WHEN abcode = '对照组' THEN str_one END) OVER (PARTITION BY dt, apptype, cate1) AS str_one_base
            ,MAX(CASE WHEN abcode = '对照组' THEN ros_one END) OVER (PARTITION BY dt, apptype, cate1) AS ros_one_base
            ,MAX(CASE WHEN abcode = '对照组' THEN str END) OVER (PARTITION BY dt, apptype, cate1) AS str_base
            ,MAX(CASE WHEN abcode = '对照组' THEN ros END) OVER (PARTITION BY dt, apptype, cate1) AS ros_base
            ,MAX(CASE WHEN abcode = '对照组' THEN str_plus END) OVER (PARTITION BY dt, apptype, cate1) AS str_plus_base
            ,MAX(CASE WHEN abcode = '对照组' THEN ros_minus END) OVER (PARTITION BY dt, apptype, cate1) AS ros_minus_base
            ,MAX(CASE WHEN abcode = '对照组' THEN rovn END) OVER (PARTITION BY dt, apptype, cate1) AS rovn_base
            ,MAX(CASE WHEN abcode = '对照组' THEN vovh24 END) OVER (PARTITION BY dt, apptype, cate1) AS vovh24_base
            -- 对照组基准值（COPC 指标）
            ,MAX(CASE WHEN abcode = '对照组' THEN str_copc END) OVER (PARTITION BY dt, apptype, cate1) AS str_copc_base
            ,MAX(CASE WHEN abcode = '对照组' THEN rosn_copc END) OVER (PARTITION BY dt, apptype, cate1) AS rosn_copc_base
            ,MAX(CASE WHEN abcode = '对照组' THEN rosn_stat_copc END) OVER (PARTITION BY dt, apptype, cate1) AS rosn_stat_copc_base
            ,MAX(CASE WHEN abcode = '对照组' THEN rovn_copc END) OVER (PARTITION BY dt, apptype, cate1) AS rovn_copc_base
            ,MAX(CASE WHEN abcode = '对照组' THEN rovn_stat_copc END) OVER (PARTITION BY dt, apptype, cate1) AS rovn_stat_copc_base
            -- 对照组基准值（真实值）
            ,MAX(CASE WHEN abcode = '对照组' THEN str_real END) OVER (PARTITION BY dt, apptype, cate1) AS str_real_base
            ,MAX(CASE WHEN abcode = '对照组' THEN rosn_real END) OVER (PARTITION BY dt, apptype, cate1) AS rosn_real_base
            ,MAX(CASE WHEN abcode = '对照组' THEN rovn_real END) OVER (PARTITION BY dt, apptype, cate1) AS rovn_real_base
            -- 对照组基准值（计数指标）
            ,MAX(CASE WHEN abcode = '对照组' THEN dau END) OVER (PARTITION BY dt, apptype, cate1) AS dau_base
            ,MAX(CASE WHEN abcode = '对照组' THEN exp END) OVER (PARTITION BY dt, apptype, cate1) AS exp_base
            ,MAX(CASE WHEN abcode = '对照组' THEN is_share END) OVER (PARTITION BY dt, apptype, cate1) AS is_share_base
            ,MAX(CASE WHEN abcode = '对照组' THEN share_cnt END) OVER (PARTITION BY dt, apptype, cate1) AS share_cnt_base
            ,MAX(CASE WHEN abcode = '对照组' THEN is_return_1 END) OVER (PARTITION BY dt, apptype, cate1) AS is_return_1_base
            ,MAX(CASE WHEN abcode = '对照组' THEN return_n_uv END) OVER (PARTITION BY dt, apptype, cate1) AS return_n_uv_base
            ,MAX(CASE WHEN abcode = '对照组' THEN viewh24 END) OVER (PARTITION BY dt, apptype, cate1) AS viewh24_base
            ,MAX(CASE WHEN abcode = '对照组' THEN return_n_uv_noself END) OVER (PARTITION BY dt, apptype, cate1) AS return_n_uv_noself_base
    FROM    t_agg
)
-- 最终输出：原有字段 + 变化率
SELECT  dt
        ,apptype
        ,abcode
        ,cate1
        ,cate_rank
        ,exp_pct
        ,round((dau - dau_base) / NULLIF(dau_base, 0), 4) AS dau_chg
        ,round((exp - exp_base) / NULLIF(exp_base, 0), 4) AS exp_chg
        -- COPC
        ,str_copc, rosn_copc, rosn_stat_copc, rovn_copc, rovn_stat_copc
        -- 模型预测与真实值
        ,str_real, str_pred, rosn_real, rosn_pred, rosn_stat
        ,rovn_real, rovn_pred, rovn_stat
        ,rosn_pred_mae, rosn_stat_mae
        -- 业务指标
        ,exp_per_dau, str_one, ros_one, str, ros, str_plus, ros_minus, rovn, vovh24
        -- 计数
        ,dau, exp, is_share, share_cnt, is_return_1, return_n_uv, viewh24, return_n_uv_noself
        -- ========== 变化率字段 ==========
        -- 业务指标变化率
        ,round((exp_per_dau - exp_per_dau_base) / NULLIF(exp_per_dau_base, 0), 4) AS exp_per_dau_chg
        ,round((str_one - str_one_base) / NULLIF(str_one_base, 0), 4) AS str_one_chg
        ,round((ros_one - ros_one_base) / NULLIF(ros_one_base, 0), 4) AS ros_one_chg
        ,round((str - str_base) / NULLIF(str_base, 0), 4) AS str_chg
        ,round((ros - ros_base) / NULLIF(ros_base, 0), 4) AS ros_chg
        ,round((str_plus - str_plus_base) / NULLIF(str_plus_base, 0), 4) AS str_plus_chg
        ,round((ros_minus - ros_minus_base) / NULLIF(ros_minus_base, 0), 4) AS ros_minus_chg
        ,round((rovn - rovn_base) / NULLIF(rovn_base, 0), 4) AS rovn_chg
        ,round((vovh24 - vovh24_base) / NULLIF(vovh24_base, 0), 4) AS vovh24_chg
        -- COPC 变化率
        ,round((str_copc - str_copc_base) / NULLIF(str_copc_base, 0), 4) AS str_copc_chg
        ,round((rosn_copc - rosn_copc_base) / NULLIF(rosn_copc_base, 0), 4) AS rosn_copc_chg
        ,round((rosn_stat_copc - rosn_stat_copc_base) / NULLIF(rosn_stat_copc_base, 0), 4) AS rosn_stat_copc_chg
        ,round((rovn_copc - rovn_copc_base) / NULLIF(rovn_copc_base, 0), 4) AS rovn_copc_chg
        ,round((rovn_stat_copc - rovn_stat_copc_base) / NULLIF(rovn_stat_copc_base, 0), 4) AS rovn_stat_copc_chg
        -- 真实值变化率
        ,round((str_real - str_real_base) / NULLIF(str_real_base, 0), 4) AS str_real_chg
        ,round((rosn_real - rosn_real_base) / NULLIF(rosn_real_base, 0), 4) AS rosn_real_chg
        ,round((rovn_real - rovn_real_base) / NULLIF(rovn_real_base, 0), 4) AS rovn_real_chg
        -- 计数指标变化率
        ,round((is_share - is_share_base) / NULLIF(is_share_base, 0), 4) AS is_share_chg
        ,round((share_cnt - share_cnt_base) / NULLIF(share_cnt_base, 0), 4) AS share_cnt_chg
        ,round((is_return_1 - is_return_1_base) / NULLIF(is_return_1_base, 0), 4) AS is_return_1_chg
        ,round((return_n_uv - return_n_uv_base) / NULLIF(return_n_uv_base, 0), 4) AS return_n_uv_chg
        ,round((viewh24 - viewh24_base) / NULLIF(viewh24_base, 0), 4) AS viewh24_chg
        ,round((return_n_uv_noself - return_n_uv_noself_base) / NULLIF(return_n_uv_noself_base, 0), 4) AS return_n_uv_noself_chg
FROM    t_with_baseline
ORDER BY dt DESC, apptype, abcode, exp DESC
;
