// Copyright 2019 Google LLC.
//
// 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
//
//     http://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.cloud.scheduler.v1;

import "google/api/annotations.proto";
import "google/api/resource.proto";
import "google/cloud/scheduler/v1/job.proto";
import "google/protobuf/empty.proto";
import "google/protobuf/field_mask.proto";

option go_package = "google.golang.org/genproto/googleapis/cloud/scheduler/v1;scheduler";
option java_multiple_files = true;
option java_outer_classname = "SchedulerProto";
option java_package = "com.google.cloud.scheduler.v1";
option objc_class_prefix = "SCHEDULER";

// The Cloud Scheduler API allows external entities to reliably
// schedule asynchronous jobs.
service CloudScheduler {
  // Lists jobs.
  rpc ListJobs(ListJobsRequest) returns (ListJobsResponse) {
    option (google.api.http) = {
      get: "/v1/{parent=projects/*/locations/*}/jobs"
    };
  }

  // Gets a job.
  rpc GetJob(GetJobRequest) returns (Job) {
    option (google.api.http) = {
      get: "/v1/{name=projects/*/locations/*/jobs/*}"
    };
  }

  // Creates a job.
  rpc CreateJob(CreateJobRequest) returns (Job) {
    option (google.api.http) = {
      post: "/v1/{parent=projects/*/locations/*}/jobs"
      body: "job"
    };
  }

  // Updates a job.
  //
  // If successful, the updated [Job][google.cloud.scheduler.v1.Job] is returned. If the job does
  // not exist, `NOT_FOUND` is returned.
  //
  // If UpdateJob does not successfully return, it is possible for the
  // job to be in an [Job.State.UPDATE_FAILED][google.cloud.scheduler.v1.Job.State.UPDATE_FAILED] state. A job in this state may
  // not be executed. If this happens, retry the UpdateJob request
  // until a successful response is received.
  rpc UpdateJob(UpdateJobRequest) returns (Job) {
    option (google.api.http) = {
      patch: "/v1/{job.name=projects/*/locations/*/jobs/*}"
      body: "job"
    };
  }

  // Deletes a job.
  rpc DeleteJob(DeleteJobRequest) returns (google.protobuf.Empty) {
    option (google.api.http) = {
      delete: "/v1/{name=projects/*/locations/*/jobs/*}"
    };
  }

  // Pauses a job.
  //
  // If a job is paused then the system will stop executing the job
  // until it is re-enabled via [ResumeJob][google.cloud.scheduler.v1.CloudScheduler.ResumeJob]. The
  // state of the job is stored in [state][google.cloud.scheduler.v1.Job.state]; if paused it
  // will be set to [Job.State.PAUSED][google.cloud.scheduler.v1.Job.State.PAUSED]. A job must be in [Job.State.ENABLED][google.cloud.scheduler.v1.Job.State.ENABLED]
  // to be paused.
  rpc PauseJob(PauseJobRequest) returns (Job) {
    option (google.api.http) = {
      post: "/v1/{name=projects/*/locations/*/jobs/*}:pause"
      body: "*"
    };
  }

  // Resume a job.
  //
  // This method reenables a job after it has been [Job.State.PAUSED][google.cloud.scheduler.v1.Job.State.PAUSED]. The
  // state of a job is stored in [Job.state][google.cloud.scheduler.v1.Job.state]; after calling this method it
  // will be set to [Job.State.ENABLED][google.cloud.scheduler.v1.Job.State.ENABLED]. A job must be in
  // [Job.State.PAUSED][google.cloud.scheduler.v1.Job.State.PAUSED] to be resumed.
  rpc ResumeJob(ResumeJobRequest) returns (Job) {
    option (google.api.http) = {
      post: "/v1/{name=projects/*/locations/*/jobs/*}:resume"
      body: "*"
    };
  }

  // Forces a job to run now.
  //
  // When this method is called, Cloud Scheduler will dispatch the job, even
  // if the job is already running.
  rpc RunJob(RunJobRequest) returns (Job) {
    option (google.api.http) = {
      post: "/v1/{name=projects/*/locations/*/jobs/*}:run"
      body: "*"
    };
  }
}

// Request message for listing jobs using [ListJobs][google.cloud.scheduler.v1.CloudScheduler.ListJobs].
message ListJobsRequest {
  // Required.
  //
  // The location name. For example:
  // `projects/PROJECT_ID/locations/LOCATION_ID`.
  string parent = 1;

  // Requested page size.
  //
  // The maximum page size is 500. If unspecified, the page size will
  // be the maximum. Fewer jobs than requested might be returned,
  // even if more jobs exist; use next_page_token to determine if more
  // jobs exist.
  int32 page_size = 5;

  // A token identifying a page of results the server will return. To
  // request the first page results, page_token must be empty. To
  // request the next page of results, page_token must be the value of
  // [next_page_token][google.cloud.scheduler.v1.ListJobsResponse.next_page_token] returned from
  // the previous call to [ListJobs][google.cloud.scheduler.v1.CloudScheduler.ListJobs]. It is an error to
  // switch the value of [filter][google.cloud.scheduler.v1.ListJobsRequest.filter] or
  // [order_by][google.cloud.scheduler.v1.ListJobsRequest.order_by] while iterating through pages.
  string page_token = 6;
}

// Response message for listing jobs using [ListJobs][google.cloud.scheduler.v1.CloudScheduler.ListJobs].
message ListJobsResponse {
  // The list of jobs.
  repeated Job jobs = 1;

  // A token to retrieve next page of results. Pass this value in the
  // [page_token][google.cloud.scheduler.v1.ListJobsRequest.page_token] field in the subsequent call to
  // [ListJobs][google.cloud.scheduler.v1.CloudScheduler.ListJobs] to retrieve the next page of results.
  // If this is empty it indicates that there are no more results
  // through which to paginate.
  //
  // The page token is valid for only 2 hours.
  string next_page_token = 2;
}

// Request message for [GetJob][google.cloud.scheduler.v1.CloudScheduler.GetJob].
message GetJobRequest {
  // Required.
  //
  // The job name. For example:
  // `projects/PROJECT_ID/locations/LOCATION_ID/jobs/JOB_ID`.
  string name = 1;
}

// Request message for [CreateJob][google.cloud.scheduler.v1.CloudScheduler.CreateJob].
message CreateJobRequest {
  // Required.
  //
  // The location name. For example:
  // `projects/PROJECT_ID/locations/LOCATION_ID`.
  string parent = 1;

  // Required.
  //
  // The job to add. The user can optionally specify a name for the
  // job in [name][google.cloud.scheduler.v1.Job.name]. [name][google.cloud.scheduler.v1.Job.name] cannot be the same as an
  // existing job. If a name is not specified then the system will
  // generate a random unique name that will be returned
  // ([name][google.cloud.scheduler.v1.Job.name]) in the response.
  Job job = 2;
}

// Request message for [UpdateJob][google.cloud.scheduler.v1.CloudScheduler.UpdateJob].
message UpdateJobRequest {
  // Required.
  //
  // The new job properties. [name][google.cloud.scheduler.v1.Job.name] must be specified.
  //
  // Output only fields cannot be modified using UpdateJob.
  // Any value specified for an output only field will be ignored.
  Job job = 1;

  // A  mask used to specify which fields of the job are being updated.
  google.protobuf.FieldMask update_mask = 2;
}

// Request message for deleting a job using
// [DeleteJob][google.cloud.scheduler.v1.CloudScheduler.DeleteJob].
message DeleteJobRequest {
  // Required.
  //
  // The job name. For example:
  // `projects/PROJECT_ID/locations/LOCATION_ID/jobs/JOB_ID`.
  string name = 1;
}

// Request message for [PauseJob][google.cloud.scheduler.v1.CloudScheduler.PauseJob].
message PauseJobRequest {
  // Required.
  //
  // The job name. For example:
  // `projects/PROJECT_ID/locations/LOCATION_ID/jobs/JOB_ID`.
  string name = 1;
}

// Request message for [ResumeJob][google.cloud.scheduler.v1.CloudScheduler.ResumeJob].
message ResumeJobRequest {
  // Required.
  //
  // The job name. For example:
  // `projects/PROJECT_ID/locations/LOCATION_ID/jobs/JOB_ID`.
  string name = 1;
}

// Request message for forcing a job to run now using
// [RunJob][google.cloud.scheduler.v1.CloudScheduler.RunJob].
message RunJobRequest {
  // Required.
  //
  // The job name. For example:
  // `projects/PROJECT_ID/locations/LOCATION_ID/jobs/JOB_ID`.
  string name = 1;
}
