{{ config(
    materialized = 'incremental',
    unique_key = ['KEY_COL_1', 'KEY_COL_2'],
    on_schema_change = 'sync_all_columns',
    incremental_strategy = 'delete+insert'
) }}

{{- sie_dbt_utils.full_refresh_protection() -}}
-- remove the line above if sie_dbt_utils is not available

with
base_table as (
    select *
    from {{ ref('stg_<system>_<table>') }}
    where mandt in ('022', '100')   -- replace with your tenant/client filter
),

related_table as (
    select *
    from {{ ref('stg_<system>_<other_table>') }}
),

final as (
    select
        base_table.COLUMN_1         as READABLE_COLUMN_1,
        base_table.COLUMN_2         as READABLE_COLUMN_2,
        related_table.COLUMN_A      as READABLE_COLUMN_A

    from base_table
    left join related_table
        on base_table.join_key = related_table.join_key

    where year(dateadd(month, 3, to_date(base_table.date_col, 'yyyymmdd')))
          >= year(dateadd(year, -2, dateadd(month, 3, getdate())))
    -- ^ Siemens fiscal year filter (FY = calendar year + 3 months)
    -- Replace with your project's date filter logic

    {% if is_incremental() %}
        and year(dateadd(month, 3, to_date(base_table.date_col, 'yyyymmdd')))
            <= year(add_months(current_date(), 3))
    {% endif %}
)

select * from final