// Read the 'greet.proto' ProtoDefinition file as text and store it in a variable
var protoDefinitionText = File.ReadAllText(@"c:\grpc\greet.proto");

// Define an unique identifier for that ProtoDefinition to make it possible to refer
// to that ProtoDefinition in the different mappings
var protoDefinitionId = "GrpcGreet";

// Start the WireMockServer and enable HTTP/2 support
var server = WireMockServer.Start(useHttp2: true);

server
  // Now call the new AddProtoDefinition method to register this identifier
  // and ProtoDefinition in WireMock.Net
  .AddProtoDefinition(protoDefinitionId, protoDefinitionText)

  // Define the Request matching logic which means in this case:
  // - Match on HTTP POST
  // - Match when the client calls the SayHello method on the Greeter-service
  // - Use a JsonMatcher so that this request is only mapped when the name
  //   equals "stef".
  .Given(Request.Create()
    .UsingPost()
    .WithPath("/grpc/greet.Greeter/SayHello")
    .WithBodyAsProtoBuf("greet.HelloRequest", new JsonMatcher(new { name = "stef" }))
  )

  // Define that this mapping should use the specified protoDefinitionId for both 
  // the Request and the Response
  .WithProtoDefinition(protoDefinitionId)

  // Build a response which will:
  // - Return the correct Content-Type header and Grpc Trailing header
  // - Define the response as an anonymous object and use the Handlebars 
  //   Transformer to return a personalized message
  // - Return a ProtoBuf byte-array response using the HelloReply method
  .RespondWith(Response.Create()
    .WithHeader("Content-Type", "application/grpc")
    .WithTrailingHeader("grpc-status", "0")
    .WithBodyAsProtoBuf("greet.HelloReply",
    new
    {
      message = "hello {{request.BodyAsJson.name}} {{request.method}}"
    })
    .WithTransformer()
  );