syntax = "proto3";

package api;

import "google/api/annotations.proto";
import "google/protobuf/empty.proto";
import "protoc-gen-swagger/options/annotations.proto";
import "workflow_template.proto";
import "metric.proto";

option (grpc.gateway.protoc_gen_swagger.options.openapiv2_swagger) = {
	schemes: HTTP;
	schemes: HTTPS;
	consumes: "application/json";
	produces: "application/json";
	security_definitions: {
		security: {
			key: "bearer";
			value: {
				type: TYPE_API_KEY;
				in: IN_HEADER;
				name: "authorization";
				description: "Authentication token, prefixed by Bearer: Bearer <token>"
			}
		}
	}
	security: {
		security_requirement: {
			key: "bearer";
			value: {};
		}
	}
};


service WorkflowService {
    // Creates a Workflow
    rpc CreateWorkflowExecution (CreateWorkflowExecutionRequest) returns (WorkflowExecution) {
        option (google.api.http) = {
            post: "/apis/v1beta1/{namespace}/workflow_executions"
            body: "workflowExecution"
        };
    }

    rpc GetWorkflowExecution (GetWorkflowExecutionRequest) returns (WorkflowExecution) {
        option (google.api.http) = {
            get: "/apis/v1beta1/{namespace}/workflow_executions/{name}"
        };
    }

    rpc ListWorkflowExecutions (ListWorkflowExecutionsRequest) returns (ListWorkflowExecutionsResponse) {
        option (google.api.http) = {
            get: "/apis/v1beta1/{namespace}/workflow_executions"
        };
    }

    rpc WatchWorkflowExecution (WatchWorkflowExecutionRequest) returns (stream WorkflowExecution) {
        option (google.api.http) = {
            get: "/apis/v1beta1/{namespace}/workflow_executions/{name}/watch"
        };
    }

    rpc GetWorkflowExecutionLogs (GetWorkflowExecutionLogsRequest) returns (stream LogEntry) {
        option (google.api.http) = {
            get: "/apis/v1beta1/{namespace}/workflow_executions/{name}/pods/{podName}/containers/{containerName}/logs"
        };
    }

    rpc GetWorkflowExecutionMetrics (GetWorkflowExecutionMetricsRequest) returns (GetWorkflowExecutionMetricsResponse) {
        option (google.api.http) = {
            get: "/apis/v1beta1/{namespace}/workflow_executions/{name}/pods/{podName}/metrics"
        };
    }

    rpc ResubmitWorkflowExecution (ResubmitWorkflowExecutionRequest) returns (WorkflowExecution) {
        option (google.api.http) = {
            put: "/apis/v1beta1/{namespace}/workflow_executions/{name}/resubmit"
        };
    }

    rpc TerminateWorkflowExecution (TerminateWorkflowExecutionRequest) returns (google.protobuf.Empty) {
        option (google.api.http) = {
            put: "/apis/v1beta1/{namespace}/workflow_executions/{name}/terminate"
        };
    }

    rpc CreateWorkflowTemplate (CreateWorkflowTemplateRequest) returns (WorkflowTemplate) {
        option (google.api.http) = {
            post: "/apis/v1beta1/{namespace}/workflow_templates"
            body: "workflowTemplate"
        };
    }

    rpc UpdateWorkflowTemplateVersion (UpdateWorkflowTemplateVersionRequest) returns (WorkflowTemplate) {
        option (google.api.http) = {
            put: "/apis/v1beta1/{namespace}/workflow_templates/{workflowTemplate.uid}/versions/{workflowTemplate.version}"
            body: "workflowTemplate"
        };
    }

    rpc CreateWorkflowTemplateVersion (CreateWorkflowTemplateRequest) returns (WorkflowTemplate) {
        option (google.api.http) = {
            post: "/apis/v1beta1/{namespace}/workflow_templates/{workflowTemplate.uid}/versions"
            body: "workflowTemplate"
        };
    }

    rpc GetWorkflowTemplate (GetWorkflowTemplateRequest) returns (WorkflowTemplate) {
        option (google.api.http) = {
            get: "/apis/v1beta1/{namespace}/workflow_templates/{uid}"
            additional_bindings {
				get: "/apis/v1beta1/{namespace}/workflow_templates/{uid}/versions/{version}"
			}
        };
    }

    rpc ListWorkflowTemplateVersions (ListWorkflowTemplateVersionsRequest) returns (ListWorkflowTemplateVersionsResponse) {
        option (google.api.http) = {
            get: "/apis/v1beta1/{namespace}/workflow_templates/{uid}/versions"
        };
    }

    rpc ListWorkflowTemplates (ListWorkflowTemplatesRequest) returns (ListWorkflowTemplatesResponse) {
        option (google.api.http) = {
            get: "/apis/v1beta1/{namespace}/workflow_templates"
        };
    }

    rpc ArchiveWorkflowTemplate (ArchiveWorkflowTemplateRequest) returns (ArchiveWorkflowTemplateResponse) {
        option (google.api.http) = {
            put: "/apis/v1beta1/{namespace}/workflow_templates/{uid}/archive"
        };
    }

    rpc GetArtifact (GetArtifactRequest) returns (ArtifactResponse) {
        option (google.api.http) = {
            get: "/apis/v1beta1/{namespace}/workflow_executions/{name}/artifacts/{key=**}"
        };
    }

    rpc ListFiles (ListFilesRequest) returns (ListFilesResponse) {
        option (google.api.http) = {
            get: "/apis/v1beta1/{namespace}/workflow_executions/{name}/files/{path=**}"
        };
    }
}

message CreateWorkflowExecutionRequest {    
    string namespace = 1;
    WorkflowExecution workflowExecution = 2;
}

message GetWorkflowExecutionRequest {
    string namespace = 1;
    string name = 2;
}

message GetArtifactRequest {
    string namespace = 1;
    string name = 2;
    string key = 3;
}

message WatchWorkflowExecutionRequest {
    string namespace = 1;
    string name = 2;
}

message ResubmitWorkflowExecutionRequest {
    string namespace = 1;
    string name = 2;
}

message TerminateWorkflowExecutionRequest {
    string namespace = 1;
    string name = 2;
}

message GetWorkflowExecutionLogsRequest {
    string namespace = 1;
    string name = 2;
    string podName = 3;
    string containerName = 4;
}

message GetWorkflowExecutionMetricsRequest {
    string namespace = 1;
    string name = 2;
    string podName = 3;
}

message GetWorkflowExecutionMetricsResponse {
    repeated Metric metrics = 1;
}

message ListWorkflowExecutionsRequest {
    string namespace = 1;
    string workflowTemplateUid = 2;
    string workflowTemplateVersion = 3;
    int32 pageSize = 4;
    int32 page = 5;
}

message ListWorkflowExecutionsResponse {
    int32 count = 1;
    repeated WorkflowExecution workflowExecutions = 2;
    int32 page = 3;
    int32 pages = 4;
    int32 totalCount = 5;
}

message LogEntry {
    string timestamp = 1;
    string content = 2;
}

message WorkflowExecution {
    string createdAt = 1;
    string uid = 2;
    string name = 3;
    string phase = 4;
    string startedAt = 5;
    string finishedAt = 6;
    string manifest = 7;

    repeated WorkflowExecutionParameter parameters = 8;

    WorkflowTemplate workflowTemplate = 9;
}

message WorkflowExecutionParameter {
    string name = 1;
    string value = 2;
}

message ArtifactResponse {
    bytes data = 1;
}

message File {
    string path = 1;
    string name = 2;
    string extension = 3;
    int64 size = 4;
    string contentType = 5;
    string lastModified = 6;
    bool directory = 7;
}

message ListFilesRequest {
    string namespace = 1;
    string name = 2;
    string path = 3;
}

message ListFilesResponse {
    repeated File files = 1;
    string parentPath = 2;
}