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

import "validate/validate.proto";

package proto;

message Empty {}

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

message Config{
  string appId = 2 [(validate.rules).string = {min_len: 1}];
  string appKey = 3 [(validate.rules).string = {min_len: 1}];
  string baseUri = 4;
  string notifyUrl = 5;
}

enum Status{
  INVALID = 0; // 无效的状态
  SUCCESS = 1; // 成功
  ING = 2; // 处理中
  FAIL = 3; // 失败
}

message Result {
  Status status = 1;
  string order_no = 2;
  string trade_no = 3;
  string message = 4;
  bytes data = 5;
}

message OrderRequest{
  Config config = 1;
  message Order {
    string order_no = 1;
    string account = 2;
    bytes extra = 3; // 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{
  Config config = 1;
  message Request {
    string order_no = 1;
    string trade_no = 2;
    bytes extra = 3;
  }
}
message QueryResponse{
  Result result = 1;
}

message NotifyRequest{
  Config 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;
}