USE [JSDataMiddlePlatform];
GO

/*
  Template: 物流时效/SLA分析
  Window: 最近30天 [date_from, date_to)
*/

DECLARE @date_from datetime2 = CAST(DATEADD(DAY, -30, CAST(GETDATE() AS date)) AS datetime2);
DECLARE @date_to datetime2 = CAST(DATEADD(DAY, 1, CAST(GETDATE() AS date)) AS datetime2);

IF OBJECT_ID('tempdb..#base') IS NOT NULL
    DROP TABLE #base;

SELECT
    e.so_id AS order_id,
    ISNULL(NULLIF(e.shop_name, ''), 'unknown') AS shop_name,
    ISNULL(NULLIF(e.platform_name, ''), 'unknown') AS platform_name,
    ISNULL(NULLIF(e.logistic_company_name, ''), 'unknown') AS logistic_company_name,
    ISNULL(NULLIF(e.logistic_status_name, ''), 'unknown') AS logistic_status_name,
    e.pay_time,
    e.send_time,
    e.fetch_time,
    e.sign_time,
    TRY_CONVERT(decimal(18, 4), e.weight) AS weight,
    TRY_CONVERT(decimal(18, 4), e.f_weight) AS f_weight,
    CASE
        WHEN e.pay_time IS NOT NULL AND e.send_time IS NOT NULL
            THEN DATEDIFF(HOUR, e.pay_time, e.send_time)
        ELSE NULL
    END AS pay_to_send_h,
    CASE
        WHEN e.send_time IS NOT NULL AND e.sign_time IS NOT NULL
            THEN DATEDIFF(HOUR, e.send_time, e.sign_time)
        ELSE NULL
    END AS send_to_sign_h,
    CASE
        WHEN e.pay_time IS NOT NULL AND e.sign_time IS NOT NULL
            THEN DATEDIFF(HOUR, e.pay_time, e.sign_time)
        ELSE NULL
    END AS pay_to_sign_h
INTO #base
FROM dbo.jst_order_express_details AS e WITH (NOLOCK)
WHERE e.createdAt >= @date_from
  AND e.createdAt < @date_to
  AND ISNULL(NULLIF(e.so_id, ''), '') <> ''
  AND ISNULL(NULLIF(e.order_labels, ''), '') NOT LIKE '%配件%'
  AND ISNULL(NULLIF(e.order_labels, ''), '') NOT LIKE '%特殊单%';

-- 1) 全局时效总览
SELECT
    @date_from AS date_from,
    @date_to AS date_to,
    COUNT(*) AS order_count,
    SUM(CASE WHEN sign_time IS NOT NULL THEN 1 ELSE 0 END) AS signed_order_count,
    AVG(CASE WHEN pay_to_send_h >= 0 THEN CAST(pay_to_send_h AS decimal(18, 2)) END) AS avg_pay_to_send_h,
    AVG(CASE WHEN send_to_sign_h >= 0 THEN CAST(send_to_sign_h AS decimal(18, 2)) END) AS avg_send_to_sign_h,
    AVG(CASE WHEN pay_to_sign_h >= 0 THEN CAST(pay_to_sign_h AS decimal(18, 2)) END) AS avg_pay_to_sign_h
FROM #base;

-- 2) 平台时效
SELECT
    platform_name,
    COUNT(*) AS order_count,
    AVG(CASE WHEN pay_to_send_h >= 0 THEN CAST(pay_to_send_h AS decimal(18, 2)) END) AS avg_pay_to_send_h,
    AVG(CASE WHEN send_to_sign_h >= 0 THEN CAST(send_to_sign_h AS decimal(18, 2)) END) AS avg_send_to_sign_h,
    SUM(CASE WHEN pay_to_send_h > 48 THEN 1 ELSE 0 END) AS delayed_send_over_48h,
    SUM(CASE WHEN send_to_sign_h > 120 THEN 1 ELSE 0 END) AS delayed_sign_over_120h
FROM #base
GROUP BY platform_name
ORDER BY order_count DESC;

-- 3) 店铺时效预警（订单数>=100）
SELECT TOP (50)
    shop_name,
    platform_name,
    COUNT(*) AS order_count,
    AVG(CASE WHEN pay_to_send_h >= 0 THEN CAST(pay_to_send_h AS decimal(18, 2)) END) AS avg_pay_to_send_h,
    AVG(CASE WHEN send_to_sign_h >= 0 THEN CAST(send_to_sign_h AS decimal(18, 2)) END) AS avg_send_to_sign_h,
    SUM(CASE WHEN pay_to_send_h > 48 THEN 1 ELSE 0 END) AS delayed_send_over_48h,
    SUM(CASE WHEN send_to_sign_h > 120 THEN 1 ELSE 0 END) AS delayed_sign_over_120h
FROM #base
GROUP BY shop_name, platform_name
HAVING COUNT(*) >= 100
ORDER BY delayed_send_over_48h DESC, avg_send_to_sign_h DESC;

-- 4) 快递公司表现
SELECT TOP (30)
    logistic_company_name,
    COUNT(*) AS order_count,
    AVG(CASE WHEN send_to_sign_h >= 0 THEN CAST(send_to_sign_h AS decimal(18, 2)) END) AS avg_send_to_sign_h,
    SUM(CASE WHEN send_to_sign_h > 120 THEN 1 ELSE 0 END) AS delayed_sign_over_120h
FROM #base
GROUP BY logistic_company_name
ORDER BY order_count DESC;