package httpmw

import (
	"net/http"
	"runtime/debug"
)

// Recover returns a middleware that catches panics, logs them, and returns 500.
func Recover() func(http.Handler) http.Handler {
	return func(next http.Handler) http.Handler {
		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
			defer func() {
				if rec := recover(); rec != nil {
					stack := debug.Stack()
					http.Error(w, http.StatusText(http.StatusInternalServerError),
						http.StatusInternalServerError)
					_ = stack // available for future logger injection
				}
			}()
			next.ServeHTTP(w, r)
		})
	}
}