syntax = "proto3";
package email;

service Email {
  rpc SendEmail(SendEmailRequest) returns (EmailResponse);
  rpc BlastEmail(BlastEmailRequest) returns (EmailResponse);
  rpc AddSubscriber(AddSubscriberRequest) returns (EmailResponse);
  rpc RemoveSubscriber(RemoveSubscriberRequest) returns (EmailResponse);
  rpc AddGroup(AddGroupRequest) returns (EmailResponse);
  rpc RemoveGroup(RemoveGroupRequest) returns (EmailResponse);
  rpc GetSubscribers(GetSubscribersRequest) returns (SubscribersResponse);
  rpc GetSubscriberGroups(GetSubscriberGroupsRequest) returns (GroupsResponse);
}

message SendEmailRequest {
  string email = 1;
  string title = 2;
  string body = 3;
}

message BlastEmailRequest {
  string group = 1;
  string title = 2;
  string body = 3;
}

message AddSubscriberRequest {
  string email = 1;
  string group = 2;
}

message RemoveSubscriberRequest {
  string email = 1;
  string group = 2;
}

message AddGroupRequest {
  string name = 1;
  string description = 2;
}

message RemoveGroupRequest { string name = 1; }

message GetSubscribersRequest { string group = 1; }

message GetSubscriberGroupsRequest { string email = 1; }

message EmailResponse { string message = 1; }

message SubscribersResponse {
  message Subscriber { string email = 1; }
  repeated Subscriber subscribers = 1;
}

message GroupsResponse {
  message Group {
    string name = 1;
    string description = 2;
  }
  repeated Group groups = 1;
}