{% set risk_booking_status = ("NOTAPPROVED", "FLAGGED") %}
{% set no_risk_booking_status = ("APPROVED", "NOFLAGS") %}
{% set incident_duplicated_status = "CLOSED - DUPLICATE" %}
{% set incident_finished_status = (
    "RESOLVED",
    "RESOLVED EXCEPTION",
    "CLOSED - NO REPLY",
    "CLOSED - OTHER",
    "CLOSED - WAIVER CR",
    "CLOSED - LATE REPORT",
    "CLOSED - NOT COVERED",
    "CLOSED - NOT LIABLE",
    "CLOSED HOST REQUEST",
    "CLOSED - NOT APPROVED",
    "CLOSED - THIRD PARTY",
) %}
{% set days_from_checkout_to_completion = 14 %}

{{ config(materialized="table", unique_key=["id_booking"]) }}
with
    int_core__booking_to_service as (
        select * from {{ ref("int_core__booking_to_service") }}
    ),
    int_core__booking_service_detail as (
        select * from {{ ref("int_core__booking_service_detail") }}
    ),
    int_resolutions__incidents as (
        select * from {{ ref("int_resolutions__incidents") }}
    ),
    -- This CTE handles the core backend booking information and aggregates service
    -- details.
    core_backend_booking_modelling as (
        select
            bts.id_booking,
            bts.id_verification_request,
            bts.id_accommodation,
            bts.id_user_product_bundle,
            bts.id_deal,
            bts.id_user_host,
            bts.id_user_guest,
            bts.booking_status,
            bts.program_name,
            bts.booking_created_at_utc,
            bts.booking_created_date_utc,
            bts.booking_updated_at_utc,
            bts.booking_updated_date_utc,
            bts.booking_check_in_at_utc,
            bts.booking_check_in_date_utc,
            bts.booking_check_out_at_utc,
            bts.booking_check_out_date_utc,
            bts.booking_check_out_date_utc
            + {{ days_from_checkout_to_completion }} as booking_completed_date_utc,
            bts.booking_number_of_nights,
            bts.host_currency_code,
            bts.is_user_in_new_dash,
            bts.new_dash_version,
            bts.user_in_new_dash_since_timestamp_at_utc,
            sum(bsd.service_total_price_in_gbp) as booking_total_price_in_gbp,
            min(
                bsd.service_first_chargeable_date_utc
            ) as service_first_chargeable_date_utc,
            max(
                bsd.service_last_chargeable_date_utc
            ) as service_last_chargeable_date_utc,
            min(bsd.service_first_billable_date_utc) as service_first_billable_date_utc,
            max(bsd.service_last_billable_date_utc) as service_last_billable_date_utc,
            min(bsd.service_detail_created_at_utc) as service_first_created_at_utc,
            max(bsd.service_detail_created_at_utc) as service_last_created_at_utc,
            max(bsd.service_detail_updated_at_utc) as service_last_updated_at_utc,
            count(distinct bsd.id_booking_service_detail) as number_of_applied_services,
            count(
                distinct case
                    when bsd.is_paid_service
                    then bsd.id_booking_service_detail
                    else null
                end
            ) as number_of_applied_paid_services,
            count(
                distinct case
                    when bsd.is_upgraded_service
                    then bsd.id_booking_service_detail
                    else null
                end
            ) as number_of_applied_upgraded_services,
            count(
                distinct case
                    when bsd.is_billable_service
                    then bsd.id_booking_service_detail
                    else null
                end
            ) as number_of_applied_billable_services,
            case
                when
                    sum(bsd.service_total_price_in_gbp) > 0
                    and min(bsd.service_first_chargeable_date_utc) is not null
                then true
                else false
            end as is_booking_chargeable,
            case
                when
                    sum(
                        case
                            when bsd.is_billable_service
                            then bsd.service_total_price_in_gbp
                            else 0
                        end
                    )
                    > 0
                    and min(bsd.service_first_billable_date_utc) is not null
                then true
                else false
            end as is_booking_billable,
            case
                when sum(case when bsd.is_missing_currency_code then 1 else 0 end) > 0
                then true
                else false
            end as is_missing_currency_code_in_service_detail,
            case
                when sum(case when bsd.is_booking_cancelled then 1 else 0 end) > 0
                then true
                else false
            end as is_booking_cancelled,
            case
                when bts.id_verification_request is null then false else true
            end as has_verification_request,
            case
                when sum(case when bsd.is_paid_service then 1 else 0 end) > 0
                then true
                else false
            end as has_paid_services,
            case
                when sum(case when bsd.is_upgraded_service then 1 else 0 end) > 0
                then true
                else false
            end as has_upgraded_services,
            case
                when sum(case when bsd.is_billable_service then 1 else 0 end) > 0
                then true
                else false
            end as has_billable_services,
            case
                when
                    sum(
                        case
                            when bsd.service_business_type = 'SCREENING' then 1 else 0
                        end
                    )
                    > 0
                then true
                else false
            end as has_screening_service_business_type,
            case
                when
                    sum(
                        case
                            when
                                bsd.service_business_type = 'SCREENING'
                                and bsd.service_name <> {{ var("default_service") }}
                            then 1
                            else 0
                        end
                    )
                    > 0
                then true
                else false
            end as has_upgraded_screening_service_business_type,
            case
                when
                    sum(
                        case
                            when bsd.service_business_type = 'DEPOSIT_MANAGEMENT'
                            then 1
                            else 0
                        end
                    )
                    > 0
                then true
                else false
            end as has_deposit_management_service_business_type,
            case
                when
                    sum(
                        case
                            when bsd.service_business_type = 'PROTECTION' then 1 else 0
                        end
                    )
                    > 0
                then true
                else false
            end as has_protection_service_business_type,
            bts.is_missing_id_deal,
            case
                when bts.host_currency_code is null then true else false
            end as is_missing_host_currency_code,
            case
                when
                    (current_date - booking_check_out_date_utc)
                    > {{ days_from_checkout_to_completion }}
                then true
                else false
            end as is_booking_past_completion_date,
            case
                when upper(bts.booking_status) in {{ risk_booking_status }}
                then true
                when upper(bts.booking_status) in {{ no_risk_booking_status }}
                then false
                else null
            end as is_booking_flagged_as_risk
        from int_core__booking_to_service bts
        inner join
            int_core__booking_service_detail bsd
            on bts.id_booking_service_detail = bsd.id_booking_service_detail
        group by
            bts.id_booking,
            bts.id_verification_request,
            bts.id_accommodation,
            bts.id_user_product_bundle,
            bts.id_deal,
            bts.id_user_host,
            bts.id_user_guest,
            bts.booking_status,
            bts.program_name,
            bts.booking_created_at_utc,
            bts.booking_created_date_utc,
            bts.booking_updated_at_utc,
            bts.booking_updated_date_utc,
            bts.booking_check_in_at_utc,
            bts.booking_check_in_date_utc,
            bts.booking_check_out_at_utc,
            bts.booking_check_out_date_utc,
            bts.booking_number_of_nights,
            bts.host_currency_code,
            bts.is_missing_id_deal,
            bts.is_user_in_new_dash,
            bts.new_dash_version,
            bts.user_in_new_dash_since_timestamp_at_utc
    ),
    -- This CTE deduplicates resolution incidents by booking ID and aggregates payout
    -- amounts.
    deduplicated_incidents as (
        select
            id_booking,
            sum(submitted_payout_amount_in_gbp) as submitted_payout_amount_in_gbp,
            case
                when sum(submitted_payout_amount_in_gbp) > 0 then true else false
            end as has_submitted_payout,
            case
                when
                    sum(
                        case
                            when
                                upper(current_status_name)
                                in {{ incident_finished_status }}
                            then 1
                            else 0
                        end
                    )
                    > 0
                then true
                else false
            end as is_incident_finished
        from int_resolutions__incidents
        where upper(current_status_name) != '{{ incident_duplicated_status }}'
        group by 1
    )
-- This CTE combines the core backend booking information with the deduplicated
-- incidents to provide a comprehensive booking summary.
select
    -- Retrieve all previous backend booking modelling fields.
    cbbm.*,
    -- Retrieve incident resolution fields.
    case
        when di.id_booking is not null then true else false
    end as has_resolution_incident,
    coalesce(di.is_incident_finished, false) as has_resolution_incident_finished,
    coalesce(di.has_submitted_payout, false) as has_resolution_submitted_payout,
    submitted_payout_amount_in_gbp as resolution_submitted_payout_amount_in_gbp
from core_backend_booking_modelling cbbm
left join deduplicated_incidents di on cbbm.id_booking = di.id_booking