syntax = "proto3";
option go_package = "plugins/proto";

import "proto/status.proto";

package proto;

message Empty {}

service Plugin {
  rpc Order (OrderRequest) returns (OrderResponse) {}
  rpc Query (QueryRequest) returns (QueryResponse) {}
  rpc Notify (NotifyRequest) returns (NotifyResponse) {}
}

message Result {
  Status status = 1;
  string order_no = 2;
  string trade_no = 3;
  string message = 4;
  bytes data = 5;
  bytes extra = 6; // 额外特殊返回参数 json 格式
}

message OrderRequest{
  bytes config = 1;
  message Order {
    string order_no = 1;
    string account = 2;
    uint32 quantity = 3;
    float amount = 4; // 订单金额
    bytes extra = 5; // extra 其他的拓展参数 json 格式
  };
  message Product {
    string product_no = 1;
    float price = 2;
    bytes extra = 3; // extra 其他的拓展参数 json 格式
  }
  Order order = 2;
  Product product = 3;
}
message OrderResponse{
  Result result = 1;
}

message QueryRequest{
  bytes config = 1;
  message Order {
    string order_no = 1;
    string trade_no = 2;
    string account = 3;
    bytes extra = 4; // extra 其他的拓展参数 json 格式
  }
  Order order = 2;
}
message QueryResponse{
  Result result = 1;
}

message NotifyRequest{
  bytes config = 1;
  bytes queries = 2; // url 地址中的参数 json
  bytes headers = 3; // header 头里面的参数 json
  bytes body = 4; // 通过 form 表单或者 body 提交的数据 json
}
message NotifyResponse{
  Result result = 1;
}