{{ config(
    materialized='table',
    schema='gold'
) }}

SELECT
    stasiun_id,
    nama_stasiun,
    CAST(recorded_at AS DATE) AS observation_date,
    AVG(pm25_value) AS avg_pm25,
    MAX(pm25_value) AS max_pm25,
    AVG(pm10_value) AS avg_pm10,
    MAX(pm10_value) AS max_pm10,
    CURRENT_TIMESTAMP AS refreshed_at_gold
FROM {{ ref('silver_spku_sensor_clean') }}
GROUP BY 1, 2, 3