#namespace("Degree")
    -- 指定时间范围内，指定场站的充电度数，有峰平谷和总量
    #sql("getDegree")
        WITH station_list AS (
            SELECT id AS station_id, station_name 
            FROM t_station 
            WHERE 1=1
            #if(station_names)
                AND station_name IN (#para(station_names))
            #end
        ),
        charge_data AS (
            -- 12月指定场站的充电信息，计算每条记录的充电量和时段
            SELECT 
                teco.station_id,
                sl.station_name,
                teco.charge_end_degree - teco.charge_begin_degree AS charge_amount,
                HOUR(teco.charge_begin_time) AS hour_of_day
            FROM t_equipment_charge_order teco
            INNER JOIN station_list sl ON teco.station_id = sl.station_id
            WHERE 1=1
            #if(start_time)
                AND teco.charge_begin_time >= #para(start_time)
            #end
            #if(end_time)
                AND teco.charge_begin_time <= #para(end_time)
            #end
        )
        -- 统计各场站峰、平、谷时段的充电量（保留3位小数）
        SELECT 
            station_id,
            station_name,
            -- 峰时段：8:00-11:00，18:00-21:00
            ROUND(SUM(CASE 
                WHEN (hour_of_day >= 8 AND hour_of_day < 11) 
                OR (hour_of_day >= 18 AND hour_of_day < 21) 
                THEN charge_amount ELSE 0 
            END), 3) AS peak_charging_amount,
            
            -- 平时段：11:00-18:00，21:00-22:00
            ROUND(SUM(CASE 
                WHEN (hour_of_day >= 11 AND hour_of_day < 18) 
                OR (hour_of_day >= 21 AND hour_of_day < 22) 
                THEN charge_amount ELSE 0 
            END), 3) AS flat_charging_amount,
            
            -- 谷时段：22:00-次日8:00（跨天处理）
            ROUND(SUM(CASE 
                WHEN hour_of_day >= 22 OR hour_of_day < 8 
                THEN charge_amount ELSE 0 
            END), 3) AS valley_charging_amount,
            
            -- 充电量总量
            ROUND(SUM(charge_amount), 3) AS total_charging_amount
        FROM charge_data
        GROUP BY station_id, station_name
        ORDER BY total_charging_amount DESC
        #if(!station_names)
        LIMIT 10
        #end
        ;
    #end

    #sql("getStationList")
        select id,station_name from t_station
    #end

    -- 查询近3个月的充电趋势及变化
    #sql("getTrendChange")
        WITH monthly_data AS (
            SELECT 
                ts.station_name,
                DATE_FORMAT(teco.charge_begin_time, '%Y-%m') as month_str,
                SUM(teco.charge_end_degree - teco.charge_begin_degree) as monthly_total
            FROM t_equipment_charge_order teco
            JOIN t_station ts ON teco.station_id = ts.id
            WHERE teco.charge_begin_time >= #para(start_time)
              AND teco.charge_begin_time <= #para(end_time)
            GROUP BY ts.station_name, month_str
        ),
        pivoted_data AS (
            SELECT 
                station_name,
                MAX(CASE WHEN month_str = #para(month1) THEN monthly_total ELSE 0 END) as m1_total,
                MAX(CASE WHEN month_str = #para(month2) THEN monthly_total ELSE 0 END) as m2_total,
                MAX(CASE WHEN month_str = #para(month3) THEN monthly_total ELSE 0 END) as m3_total
            FROM monthly_data
            GROUP BY station_name
        )
        SELECT 
            station_name,
            ROUND(m1_total, 2) as month1_total,
            ROUND(m2_total, 2) as month2_total,
            ROUND(m3_total, 2) as month3_total,
            ROUND(m3_total - m1_total, 2) as net_change,
            ROUND(ABS(m3_total - m1_total), 2) as abs_change
        FROM pivoted_data
        ORDER BY abs_change DESC
        LIMIT 10
    #end

    -- 获取指定时间内，按企业充电量由大到小TOP 10
    #sql("getCompanyTop10")
        WITH charge_data AS (
            SELECT 
                tc.company_name,
                teco.charge_degree as charge_amount,
                HOUR(teco.charge_begin_time) AS hour_of_day
            FROM t_equipment_charge_order teco 
            INNER JOIN t_user as tu ON teco.user_id = tu.id 
            INNER JOIN t_company tc ON tc.id = tu.user_owner_id 
            WHERE 1=1
            #if(start_time)
                AND teco.charge_begin_time >= #para(start_time)
            #end
            #if(end_time)
                AND teco.charge_begin_time <= #para(end_time)
            #end
        )
        SELECT 
            company_name,
            -- 峰时段：8:00-11:00，18:00-21:00
            ROUND(SUM(CASE 
                WHEN (hour_of_day >= 8 AND hour_of_day < 11) 
                OR (hour_of_day >= 18 AND hour_of_day < 21) 
                THEN charge_amount ELSE 0 
            END), 2) AS peak_charging_amount,
            
            -- 平时段：11:00-18:00，21:00-22:00
            ROUND(SUM(CASE 
                WHEN (hour_of_day >= 11 AND hour_of_day < 18) 
                OR (hour_of_day >= 21 AND hour_of_day < 22) 
                THEN charge_amount ELSE 0 
            END), 2) AS flat_charging_amount,
            
            -- 谷时段：22:00-次日8:00（跨天处理）
            ROUND(SUM(CASE 
                WHEN hour_of_day >= 22 OR hour_of_day < 8 
                THEN charge_amount ELSE 0 
            END), 2) AS valley_charging_amount,
            
            -- 总量
            ROUND(SUM(charge_amount), 2) as total_charging_amount 
        FROM charge_data
        GROUP BY company_name
        ORDER BY total_charging_amount DESC
        LIMIT 10
    #end
#end