//    Copyright 2019 Google Inc.
//
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
//
//        https://www.apache.org/licenses/LICENSE-2.0
//
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.

syntax = "proto3";

package google.fhir.r4.core;

import "google/protobuf/any.proto";
import "google/fhir/core/proto/annotations.proto";
import "google/fhir/r4/proto/core/codes.proto";
import "google/fhir/r4/proto/core/datatypes.proto";

option java_multiple_files = true;
option java_package = "com.google.fhir.r4.core";
option (.google.fhir.proto.fhir_version) = R4;
option go_package = "github.com/google/fhir/go/google/fhir/r4/proto/core/resources/coverage_eligibility_request_go_proto";

// Auto-generated from StructureDefinition for CoverageEligibilityRequest.
// CoverageEligibilityRequest resource.
// See http://hl7.org/fhir/StructureDefinition/CoverageEligibilityRequest
message CoverageEligibilityRequest {
  option (.google.fhir.proto.structure_definition_kind) = KIND_RESOURCE;
  option (.google.fhir.proto.fhir_structure_definition_url) =
      "http://hl7.org/fhir/StructureDefinition/CoverageEligibilityRequest";

  // Logical id of this artifact
  Id id = 1;

  // Metadata about the resource
  Meta meta = 2;

  // A set of rules under which this content was created
  Uri implicit_rules = 3;

  // Language of the resource content
  Code language = 4;

  // Text summary of the resource, for human interpretation
  Narrative text = 5;

  // Contained, inline Resources
  repeated protobuf.Any contained = 6;

  // Field 7 reserved for strongly-typed ContainedResource for id:
  // CoverageEligibilityRequest.contained
  reserved 7;

  // Additional content defined by implementations
  repeated Extension extension = 8;

  // Extensions that cannot be ignored
  repeated Extension modifier_extension = 9;

  // Business Identifier for coverage eligiblity request
  repeated Identifier identifier = 10;

  // active | cancelled | draft | entered-in-error
  message StatusCode {
    option (.google.fhir.proto.structure_definition_kind) = KIND_PRIMITIVE_TYPE;
    option (.google.fhir.proto.fhir_valueset_url) =
        "http://hl7.org/fhir/ValueSet/fm-status";
    option (.google.fhir.proto.fhir_profile_base) =
        "http://hl7.org/fhir/StructureDefinition/code";

    FinancialResourceStatusCode.Value value = 1;

    String id = 2;

    repeated Extension extension = 3;
  }
  StatusCode status = 11
      [(.google.fhir.proto.validation_requirement) = REQUIRED_BY_FHIR];

  // Desired processing priority
  CodeableConcept priority = 12;

  // auth-requirements | benefits | discovery | validation
  message PurposeCode {
    option (.google.fhir.proto.structure_definition_kind) = KIND_PRIMITIVE_TYPE;
    option (.google.fhir.proto.fhir_valueset_url) =
        "http://hl7.org/fhir/ValueSet/eligibilityrequest-purpose";
    option (.google.fhir.proto.fhir_profile_base) =
        "http://hl7.org/fhir/StructureDefinition/code";

    EligibilityRequestPurposeCode.Value value = 1;

    String id = 2;

    repeated Extension extension = 3;
  }
  repeated PurposeCode purpose = 13
      [(.google.fhir.proto.validation_requirement) = REQUIRED_BY_FHIR];

  // Intended recipient of products and services
  Reference patient = 14 [
    (.google.fhir.proto.validation_requirement) = REQUIRED_BY_FHIR,
    (.google.fhir.proto.valid_reference_type) = "Patient"
  ];

  // Estimated date or dates of service
  message ServicedX {
    option (.google.fhir.proto.is_choice_type) = true;

    oneof choice {
      Date date = 1;
      Period period = 2;
    }
  }
  ServicedX serviced = 15;

  // Creation date
  DateTime created = 16
      [(.google.fhir.proto.validation_requirement) = REQUIRED_BY_FHIR];

  // Author
  Reference enterer = 17 [
    (.google.fhir.proto.valid_reference_type) = "Practitioner",
    (.google.fhir.proto.valid_reference_type) = "PractitionerRole"
  ];

  // Party responsible for the request
  Reference provider = 18 [
    (.google.fhir.proto.valid_reference_type) = "Practitioner",
    (.google.fhir.proto.valid_reference_type) = "PractitionerRole",
    (.google.fhir.proto.valid_reference_type) = "Organization"
  ];

  // Coverage issuer
  Reference insurer = 19 [
    (.google.fhir.proto.validation_requirement) = REQUIRED_BY_FHIR,
    (.google.fhir.proto.valid_reference_type) = "Organization"
  ];

  // Servicing facility
  Reference facility = 20
      [(.google.fhir.proto.valid_reference_type) = "Location"];

  // Supporting information
  message SupportingInformation {
    // Unique id for inter-element referencing
    String id = 1;

    // Additional content defined by implementations
    repeated Extension extension = 2;

    // Extensions that cannot be ignored even if unrecognized
    repeated Extension modifier_extension = 3;

    // Information instance identifier
    PositiveInt sequence = 4
        [(.google.fhir.proto.validation_requirement) = REQUIRED_BY_FHIR];

    // Data to be provided
    Reference information = 5 [
      (.google.fhir.proto.validation_requirement) = REQUIRED_BY_FHIR,
      (.google.fhir.proto.valid_reference_type) = "Resource"
    ];

    // Applies to all items
    Boolean applies_to_all = 6;
  }
  repeated SupportingInformation supporting_info = 21;

  // Patient insurance information
  message Insurance {
    // Unique id for inter-element referencing
    String id = 1;

    // Additional content defined by implementations
    repeated Extension extension = 2;

    // Extensions that cannot be ignored even if unrecognized
    repeated Extension modifier_extension = 3;

    // Applicable coverage
    Boolean focal = 4;

    // Insurance information
    Reference coverage = 5 [
      (.google.fhir.proto.validation_requirement) = REQUIRED_BY_FHIR,
      (.google.fhir.proto.valid_reference_type) = "Coverage"
    ];

    // Additional provider contract number
    String business_arrangement = 6;
  }
  repeated Insurance insurance = 22;

  // Item to be evaluated for eligibiity
  message Details {
    // Unique id for inter-element referencing
    String id = 1;

    // Additional content defined by implementations
    repeated Extension extension = 2;

    // Extensions that cannot be ignored even if unrecognized
    repeated Extension modifier_extension = 3;

    // Applicable exception or supporting information
    repeated PositiveInt supporting_info_sequence = 4;

    // Benefit classification
    CodeableConcept category = 5;

    // Billing, service, product, or drug code
    CodeableConcept product_or_service = 6;

    // Product or service billing modifiers
    repeated CodeableConcept modifier = 7;

    // Perfoming practitioner
    Reference provider = 8 [
      (.google.fhir.proto.valid_reference_type) = "Practitioner",
      (.google.fhir.proto.valid_reference_type) = "PractitionerRole"
    ];

    // Count of products or services
    SimpleQuantity quantity = 9;

    // Fee, charge or cost per item
    Money unit_price = 10;

    // Servicing facility
    Reference facility = 11 [
      (.google.fhir.proto.valid_reference_type) = "Location",
      (.google.fhir.proto.valid_reference_type) = "Organization"
    ];

    // Applicable diagnosis
    message Diagnosis {
      // Unique id for inter-element referencing
      String id = 1;

      // Additional content defined by implementations
      repeated Extension extension = 2;

      // Extensions that cannot be ignored even if unrecognized
      repeated Extension modifier_extension = 3;

      // Nature of illness or problem
      message DiagnosisX {
        option (.google.fhir.proto.is_choice_type) = true;

        oneof choice {
          CodeableConcept codeable_concept = 1;
          Reference reference = 2
              [(.google.fhir.proto.valid_reference_type) = "Condition"];
        }
      }
      DiagnosisX diagnosis = 4;
    }
    repeated Diagnosis diagnosis = 12;

    // Product or service details
    repeated Reference detail = 13
        [(.google.fhir.proto.valid_reference_type) = "Resource"];
  }
  repeated Details item = 23;
}
