package middleware

import (
	"bytes"
	"log/slog"
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/stretchr/testify/require"
)

func TestRecover_PanicReturns500(t *testing.T) {
	var buf bytes.Buffer
	log := slog.New(slog.NewJSONHandler(&buf, nil))

	h := Recover(log)(http.HandlerFunc(func(_ http.ResponseWriter, _ *http.Request) {
		panic("boom")
	}))

	rec := httptest.NewRecorder()
	h.ServeHTTP(rec, httptest.NewRequest("GET", "/", nil))
	require.Equal(t, http.StatusInternalServerError, rec.Code)
	require.Contains(t, buf.String(), "boom")
}

func TestRecover_NoPanic_PassThrough(t *testing.T) {
	log := slog.New(slog.NewJSONHandler(&bytes.Buffer{}, nil))
	h := Recover(log)(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
		w.WriteHeader(http.StatusNoContent)
	}))
	rec := httptest.NewRecorder()
	h.ServeHTTP(rec, httptest.NewRequest("GET", "/", nil))
	require.Equal(t, http.StatusNoContent, rec.Code)
}