package api

import (
	"encoding/json"
	"net/http/httptest"
	"testing"
)

type testEnvelope struct {
	Code    string          `json:"code"`
	Data    json.RawMessage `json:"data"`
	Message string          `json:"message"`
}

func decodeEnvelope(t *testing.T, rr *httptest.ResponseRecorder, out any) testEnvelope {
	t.Helper()
	var env testEnvelope
	if err := json.Unmarshal(rr.Body.Bytes(), &env); err != nil {
		t.Fatalf("decode envelope: %v", err)
	}
	if out != nil {
		if err := json.Unmarshal(env.Data, out); err != nil {
			t.Fatalf("decode envelope data: %v", err)
		}
	}
	return env
}