// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0

syntax = "proto3";

package controller.api.services.v1;

import "controller/api/resources/policies/v1/policy.proto";
import "controller/custom_options/v1/options.proto";
import "google/api/annotations.proto";
import "google/protobuf/field_mask.proto";
import "protoc-gen-openapiv2/options/annotations.proto";

option go_package = "github.com/hashicorp/boundary/internal/gen/controller/api/services;services";
option (custom_options.v1.domain) = "policy";

service PolicyService {
  option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_tag) = {
    name: "Policy service"
    description:
      "The policy service provides endpoints that let you manage policies in Boundary. "
      "Policies are used to define rules for the lifecycle of session recordings."
    external_docs: {
      url: "https://developer.hashicorp.com/boundary/docs/concepts/domain-model/storage-policy";
      description: "Read about policies in the Boundary domain model";
    }
  };
  // GetPolicy returns a policy with the given id, if it exists. The request
  // must include a policy id. An error is returned if the ID is missing,
  // malformed, or if a policy with the provided ID doesn't exist.
  rpc GetPolicy(GetPolicyRequest) returns (GetPolicyResponse) {
    option (google.api.http) = {
      get: "/v1/policies/{id}"
      response_body: "item"
    };
    option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_operation) = {summary: "Gets a single policy with the given id."};
  }

  // ListPolicies returns a list of stored policies in Boundary which exist
  // inside the scope referenced in the request. The request must include the
  // scope ID for the policies being retrieved. An error is returned if the
  // scope ID is missing, malformed, or references a non existing scope.
  rpc ListPolicies(ListPoliciesRequest) returns (ListPoliciesResponse) {
    option (google.api.http) = {get: "/v1/policies"};
    option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_operation) = {summary: "Lists all policies."};
  }

  // CreatePolicy creates and stores a new policy in Boundary. The provided
  // request must include the scope ID in which the policy will be created. An
  // error is returned if the scope ID is missing, malformed or references a non
  // existing scope.
  rpc CreatePolicy(CreatePolicyRequest) returns (CreatePolicyResponse) {
    option (google.api.http) = {
      post: "/v1/policies"
      body: "item"
      response_body: "item"
    };
    option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_operation) = {summary: "Creates a single policy."};
  }

  // UpdatePolicy updates an existing policy in Boundary. The provided policy
  // must not have any read-only fields set. The update mask must be included in
  // the request and contain at least one mutable field. To unset a field's
  // value (if unsettable), include it in the update mask and don't set it in
  // the policy object.
  rpc UpdatePolicy(UpdatePolicyRequest) returns (UpdatePolicyResponse) {
    option (google.api.http) = {
      patch: "/v1/policies/{id}"
      body: "item"
      response_body: "item"
    };
    option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_operation) = {summary: "Updates an existing policy."};
  }

  // DeletePolicy deletes a policy from Boundary. An error is returned if the
  // policy ID is malformed or not provided.
  rpc DeletePolicy(DeletePolicyRequest) returns (DeletePolicyResponse) {
    option (google.api.http) = {delete: "/v1/policies/{id}"};
    option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_operation) = {summary: "Deletes an existing policy."};
  }
}

message GetPolicyRequest {
  string id = 1; // @gotags: `class:"public" eventstream:"observation"`
}

message GetPolicyResponse {
  api.resources.policies.v1.Policy item = 1;
}

message ListPoliciesRequest {
  string scope_id = 1; // @gotags: `class:"public" eventstream:"observation"`
  bool recursive = 2 [json_name = "recursive"]; // @gotags: `class:"public" eventstream:"observation"`
  string filter = 3 [json_name = "filter"]; // @gotags: `class:"public"`
  // An opaque token that Boundary uses to continue an existing iteration or
  // request updated items. If you do not specify a token, pagination
  // starts from the beginning. To learn more about list pagination
  // in Boundary, refer to [list pagination](https://developer.hashicorp.com/boundary/docs/api-clients/api/pagination).
  string list_token = 4 [json_name = "list_token"]; // @gotags: `class:"public"`
  // The maximum size of a page in this iteration.
  // If unset, the default page size configured will be used.
  // If the page_size is greater than the default page configured,
  // the page size will be truncated to this number..
  uint32 page_size = 5 [json_name = "page_size"]; // @gotags: `class:"public"`
}

message ListPoliciesResponse {
  repeated api.resources.policies.v1.Policy items = 1;
  // The type of response, either "delta" or "complete".
  // Delta signifies that this is part of a paginated result
  // or an update to a previously completed pagination.
  // Complete signifies that it is the last page.
  string response_type = 2 [json_name = "response_type"]; // @gotags: `class:"public"`
  // An opaque token used to continue an existing pagination or
  // request updated items. Use this token in the next list request
  // to request the next page.
  string list_token = 3 [json_name = "list_token"]; // @gotags: `class:"public"`
  // The name of the field which the items are sorted by.
  string sort_by = 4 [json_name = "sort_by"]; // @gotags: `class:"public"`
  // The direction of the sort, either "asc" or "desc".
  string sort_dir = 5 [json_name = "sort_dir"]; // @gotags: `class:"public"`
  // A list of item IDs that have been removed since they were returned
  // as part of a pagination. They should be dropped from any client cache.
  // This may contain items that are not known to the cache, if they were
  // created and deleted between listings.
  repeated string removed_ids = 6 [json_name = "removed_ids"]; // @gotags: `class:"public"`
  // An estimate at the total items available. This may change during pagination.
  uint32 est_item_count = 7 [json_name = "est_item_count"]; // @gotags: `class:"public"`
}

message CreatePolicyRequest {
  api.resources.policies.v1.Policy item = 1;
}

message CreatePolicyResponse {
  string uri = 1; // @gotags: `class:"public" eventstream:"observation"`
  api.resources.policies.v1.Policy item = 2;
}

message UpdatePolicyRequest {
  string id = 1; // @gotags: `class:"public" eventstream:"observation"`
  api.resources.policies.v1.Policy item = 2;
  google.protobuf.FieldMask update_mask = 3 [json_name = "update_mask"];
}

message UpdatePolicyResponse {
  api.resources.policies.v1.Policy item = 1;
}

message DeletePolicyRequest {
  string id = 1; // @gotags: `class:"public" eventstream:"observation"`
}

message DeletePolicyResponse {}