/*
This model provides Month-To-Date (MTD) based on Guest Revenue metrics.

*/
{% set revenue_verification_payment_type_items = "('FEE','WAIVER','CHECKINCOVER')" %}
{% set relevant_document_statuses = "('PAID', 'AUTHORISED')" %}
{% set waiver_items = "('DAMAGE WAVER','DAMAGE WAIVER')" %}

{{ config(materialized="table", unique_key="date") }}
with
    int_core__verification_payments as (
        select * from {{ ref("int_core__verification_payments") }}
    ),
    int_xero__credit_note_line_items as (
        select * from {{ ref("int_xero__credit_note_line_items") }}
    ),
    int_xero__credit_notes as (select * from {{ ref("int_xero__credit_notes") }}),
    int_dates_mtd as (select * from {{ ref("int_dates_mtd") }}),

    -- Paid Guest Revenue MTD --
    guest_payments_year_month as (
        select
            d.date,
            sum(vp.amount_in_gbp) as total_guest_payments_in_gbp,
            sum(
                case
                    when
                        upper(vp.verification_payment_type)
                        in {{ revenue_verification_payment_type_items }}
                    then vp.amount_in_gbp
                    else null
                end
            ) as total_guest_income_in_gbp
        from int_dates_mtd d
        inner join
            int_core__verification_payments vp
            on date_trunc('month', vp.payment_paid_date_utc)::date = d.first_day_month
            and extract(day from vp.payment_paid_date_utc) <= d.day
        where upper(vp.payment_status) = {{ var("paid_payment_state") }}
        group by 1
    ),
    -- Waiver Credit Notes MTD --
    -- We need to get the credited waivers for those
    -- host-takes-waiver cases
    waiver_credit_notes as (
        select d.date, sum(cnli.line_amount_wo_taxes_in_gbp) as waiver_fees_credited
        from int_dates_mtd d
        inner join
            int_xero__credit_notes cn
            on date_trunc('month', cn.credit_note_issued_date_utc)::date = d.first_day_month
            and extract(day from cn.credit_note_issued_date_utc) <= d.day
        inner join
            int_xero__credit_note_line_items cnli
            on cn.id_credit_note = cnli.id_credit_note
        where
            upper(cn.credit_note_status) in {{ relevant_document_statuses }}
            and upper(cnli.item_code) in {{ waiver_items }}
        group by 1
    )
-- Final aggregation of subqueries --
select
    d.year,
    d.month,
    d.day,
    d.date,
    d.is_end_of_month,
    d.is_current_month,
    nullif(gpym.total_guest_payments_in_gbp, 0) as total_guest_payments_in_gbp,
    -- Deduct from total guest income the host-takes-waiver income
    nullif(
        coalesce(gpym.total_guest_income_in_gbp, 0)
        - coalesce(wcn.waiver_fees_credited, 0),
        0
    ) as total_guest_revenue_in_gbp
from int_dates_mtd d
left join guest_payments_year_month gpym on gpym.date = d.date
left join waiver_credit_notes wcn on wcn.date = d.date