{% set relevant_document_statuses = "('PAID', 'AUTHORISED')" %}
{% set booking_fee_items = "('EU Booking Fee','ZAR Bookings','Booking fee - non-UK','USD Bookings','CAD Bookings','Booking fee - UK','AUD Bookings')" %}
{% set listing_fee_items = "('USD Listings','Listing fee - non UK','ZAR Listings','CAD Listings','Listing fee - UK','AUD Listings','EU Listings')" %}
{% set verification_fee_items = "('Verification Fee')" %}

with
    xero__invoice_line_items as (select * from {{ ref("xero__invoice_line_items") }}),
    xero__invoices as (select * from {{ ref("xero__invoices") }}),
    xero__credit_note_line_items as (
        select * from {{ ref("xero__credit_note_line_items") }}
    ),
    xero__credit_notes as (select * from {{ ref("xero__credit_notes") }}),
    fees_invoiced as (
        select
            extract(year from i.invoice_issued_date_utc) as invoice_issued_year,
            extract(month from i.invoice_issued_date_utc) as invoice_issued_month,
            case
                when ili.item_code in {{ booking_fee_items }}
                then 'booking_fees'
                when ili.item_code in {{ listing_fee_items }}
                then 'listing_fees'
                when ili.item_code in {{ verification_fee_items }}
                then 'verification_fees'
                else null
            end as fee_category,
            sum(ili.line_amount_wo_taxes_in_gbp) as fees_invoiced
        from xero__invoice_line_items ili
        left join xero__invoices i on i.id_invoice = ili.id_invoice
        where
            i.invoice_status in {{ relevant_document_statuses }}
            and (
                ili.item_code in {{ booking_fee_items }}
                or ili.item_code in {{ listing_fee_items }}
                or ili.item_code in {{ verification_fee_items }}
            )
        group by
            extract(year from i.invoice_issued_date_utc),
            extract(month from i.invoice_issued_date_utc),
            case
                when ili.item_code in {{ booking_fee_items }}
                then 'booking_fees'
                when ili.item_code in {{ listing_fee_items }}
                then 'listing_fees'
                when ili.item_code in {{ verification_fee_items }}
                then 'verification_fees'
                else null
            end
    ),
    fees_credited as (
        select
            extract(
                year from cn.credit_note_issued_date_utc
            ) as credit_note_issued_year,
            extract(
                month from cn.credit_note_issued_date_utc
            ) as credit_note_issued_month,
            case
                when cnli.item_code in {{ booking_fee_items }}
                then 'booking_fees'
                when cnli.item_code in {{ listing_fee_items }}
                then 'listing_fees'
                when cnli.item_code in {{ verification_fee_items }}
                then 'verification_fees'
                else null
            end as fee_category,
            sum(cnli.line_amount_wo_taxes_in_gbp) as fees_credited
        from reporting.xero__credit_note_line_items cnli
        left join
            reporting.xero__credit_notes cn on cn.id_credit_note = cnli.id_credit_note
        where
            cn.credit_note_status in {{ relevant_document_statuses }}
            and (
                cnli.item_code in {{ booking_fee_items }}
                or cnli.item_code in {{ listing_fee_items }}
                or cnli.item_code in {{ verification_fee_items }}
            )
        group by
            extract(year from cn.credit_note_issued_date_utc),
            extract(month from cn.credit_note_issued_date_utc),
            case
                when cnli.item_code in {{ booking_fee_items }}
                then 'booking_fees'
                when cnli.item_code in {{ listing_fee_items }}
                then 'listing_fees'
                when cnli.item_code in {{ verification_fee_items }}
                then 'verification_fees'
                else null
            end
    )
select
    i.invoice_issued_year as issued_year,
    i.invoice_issued_month as issued_month,
    i.fee_category,
    coalesce(i.fees_invoiced, 0) as fees_invoiced_in_gbp,
    coalesce(c.fees_credited, 0) as fees_credited_in_gbp,
    (coalesce(i.fees_invoiced, 0) - coalesce(c.fees_credited, 0)) as net_fees_in_gbp
from fees_invoiced i
left join
    fees_credited c
    on i.invoice_issued_year = c.credit_note_issued_year
    and i.invoice_issued_month = c.credit_note_issued_month
    and i.fee_category = c.fee_category