syntax = "proto3";

package render;

option go_package = "github.com/limpidchart/lc-proto/render/v0;render";

import "chart.proto";
import "view.proto";

// RenderChartRequest represents chart rendering request.
message RenderChartRequest {
  // ID of the request.
  string request_id = 1;

  // Chart title.
  string title = 2;

  // Configured chart sizes.
  ChartSizes sizes = 3;

  // Configured chart margins.
  ChartMargins margins = 4;

  // Configured chart axes.
  ChartAxes axes = 5;

  // Configured chart views.
  repeated ChartView views = 6;
}

// RenderChartReply represents chart rendering reply.
message RenderChartReply {
  // ID of the request.
  string request_id = 1;

  // Chart raw bytes representation.
  bytes chart_data = 2;
}

// ChartRenderer represents a service that uses lc-render library to create charts.
service ChartRenderer {
  // Render chart and return its raw bytes representation.
  rpc RenderChart(RenderChartRequest) returns (RenderChartReply) {}
}