class Reports::CareplusExporter

# File app/lib/reports/careplus_exporter.rb, line 56
def self.call(
  team:,
  programmes:,
  academic_year:,
  start_date:,
  end_date:,
  include_gender:,
  include_missing_nhs_number:,
  vaccine_columns:
)
  vaccination_records =
    vaccination_records_scope(
      team:,
      programmes:,
      academic_year:,
      start_date:,
      end_date:,
      include_missing_nhs_number:
    ).includes(:patient, :vaccine, session: %i[location team_location])

  from_records(
    vaccination_records:,
    team:,
    programmes:,
    academic_year:,
    include_gender:,
    vaccine_columns:
  )
end

# File app/lib/reports/careplus_exporter.rb, line 86
def self.from_records(
  vaccination_records:,
  team:,
  programmes:,
  academic_year:,
  include_gender:,
  vaccine_columns:
)
  new(
    vaccination_records:,
    team:,
    programmes:,
    academic_year:,
    include_gender:,
    vaccine_columns:
  ).call
end

# File app/lib/reports/careplus_exporter.rb, line 104
def self.vaccination_records_scope(
  team:,
  programmes:,
  academic_year:,
  start_date:,
  end_date:,
  include_missing_nhs_number:
)
  scope =
    team
      .vaccination_records
      .sourced_from_service
      .for_programmes(programmes)
      .for_academic_year(academic_year)
      .administered
      .order_by_performed_at
      .created_or_updated_between(start_date, end_date)

  scope =
    scope.joins(:patient).merge(
      Patient.with_nhs_number
    ) unless include_missing_nhs_number

  scope
end

# File app/lib/reports/careplus_exporter.rb, line 45
def call
  CSV.generate(headers:, write_headers: true) do |csv|
    vaccination_records
      .group_by(&:patient)
      .transform_values(&:reverse)
      .each do |patient, vaccination_records|
        rows(patient:, vaccination_records:).each { |row| csv << row }
      end
  end
end