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

WITH raw_json AS (
    SELECT json_payload FROM {{ source('bronze_lakehouse', 'spku_api_raw') }}
)

SELECT
    (json_payload->>'stasiun_id')::VARCHAR AS stasiun_id,
    (json_payload->>'nama_stasiun')::VARCHAR AS nama_stasiun,
    (json_payload->>'pm25')::NUMERIC(8,2) AS pm25_value,
    (json_payload->>'pm10')::NUMERIC(8,2) AS pm10_value,
    (json_payload->>'recorded_at')::TIMESTAMP AS recorded_at,
    CURRENT_TIMESTAMP AS ingested_at_silver
FROM raw_json