module ConsentsHelper

# File app/helpers/consents_helper.rb, line 108
def consent_action_links(consent, session:)
  patient = consent.patient
  programme = consent.programme

  follow_up_link =
    if consent.can_follow_up?
      {
        text: "Follow up",
        href:
          follow_up_session_patient_programme_consent_path(
            session,
            patient,
            programme,
            consent
          )
      }
    end
  withdraw_link =
    if consent.can_withdraw?
      {
        text: "Withdraw consent",
        href:
          withdraw_session_patient_programme_consent_path(
            session,
            patient,
            programme,
            consent
          )
      }
    end
  invalidate_link =
    if consent.can_invalidate?
      {
        text: "Mark as invalid",
        href:
          invalidate_session_patient_programme_consent_path(
            session,
            patient,
            programme,
            consent
          )
      }
    end

  [follow_up_link, withdraw_link, invalidate_link].compact
end

# File app/helpers/consents_helper.rb, line 160
def consent_parent_email(consentable)
  consentable.parent_email.presence ||
    (consentable.respond_to?(:parent) ? consentable.parent&.email : nil)
end

# File app/helpers/consents_helper.rb, line 155
def consent_parent_name(consentable)
  consentable.parent_full_name.presence ||
    (consentable.respond_to?(:parent) ? consentable.parent&.full_name : nil)
end

# File app/helpers/consents_helper.rb, line 165
def consent_parent_phone(consentable)
  consentable.parent_phone.presence ||
    (consentable.respond_to?(:parent) ? consentable.parent&.phone : nil)
end

# File app/helpers/consents_helper.rb, line 170
def consent_parent_phone_receive_updates(consentable)
  value = consentable.parent_phone_receive_updates
  if value.nil? && consentable.respond_to?(:parent)
    consentable.parent&.phone_receive_updates
  else
    value
  end
end

# File app/helpers/consents_helper.rb, line 6
def consent_refusal_reasons(consent)
  reasons = %w[
    already_vaccinated
    will_be_vaccinated_elsewhere
    medical_reasons
    personal_choice
    other
  ]

  if consent.vaccine_may_contain_gelatine?
    reasons.insert(0, "contains_gelatine")
  end

  if consent.respond_to?(:location) && consent.location&.school?
    reasons.insert(-2, "do_not_want_vaccination_at_school")
  end

  reasons.map do |value|
    label = refusal_reason_label(consent, value)
    hint =
      I18n.t(
        "activerecord.attributes.consent.reason_for_refusal_hints.#{value}",
        default: nil
      )

    ConsentRefusalOption.new(value:, label:, hint:, divider: value == "other")
  end
end

# File app/helpers/consents_helper.rb, line 62
def consent_response_tag(consent)
  text =
    if consent.withdrawn?
      Consent.human_enum_name(:response, :given)
    elsif consent.try(:refusal_with_follow_up?)
      Consent.human_enum_name(:response, :follow_up_requested)
    else
      consent.human_enum_name(:response)
    end

  colour =
    if consent.withdrawn? || consent.invalidated?
      "grey"
    elsif consent.response_given?
      "green"
    elsif consent.try(:refusal_with_follow_up?)
      "orange"
    elsif consent.response_refused?
      "red"
    else
      "blue"
    end

  if consent.invalidated? || consent.withdrawn?
    primary_tag = govuk_tag(text: tag.s(text), colour:)

    secondary_text =
      tag.span(class: "nhsuk-u-secondary-text-colour") do
        safe_join(
          [
            if consent.invalidated?
              tag.span("Invalid")
            else
              tag.span("Withdrawn")
            end
          ].compact,
          " "
        )
      end

    safe_join([primary_tag, secondary_text])
  else
    govuk_tag(text:, colour:)
  end
end

# File app/helpers/consents_helper.rb, line 35
def refusal_reason_label(consent, reason_value = nil)
  value = reason_value || consent&.reason_for_refusal
  return if value.blank?

  programme =
    if consent.respond_to?(:programme)
      consent.programme
    elsif consent.respond_to?(:programmes)
      consent.programmes.first
    end

  label_key =
    if value == "contains_gelatine"
      if programme&.flu?
        "contains_gelatine_flu"
      elsif programme&.mmr? && (variant_type = programme.variant_type)
        "contains_gelatine_#{variant_type}"
      else
        value
      end
    else
      value
    end

  Consent.human_enum_name(:reason_for_refusal, label_key)
end