package middleware

import (
	"time"

	"github.com/gofiber/fiber/v2"
	"github.com/gofiber/fiber/v2/middleware/limiter"
)

func RateLimiter() fiber.Handler {
	return limiter.New(limiter.Config{
		Max:        30,
		Expiration: 1 * time.Minute,
		KeyGenerator: func(c *fiber.Ctx) string {
			if ip := c.Get("X-Real-IP"); ip != "" {
				return ip
			}
			return c.IP()
		},
		LimitReached: func(c *fiber.Ctx) error {
			return c.Status(fiber.StatusTooManyRequests).JSON(fiber.Map{
				"error": "Rate limit exceeded. Try again later.",
			})
		},
	})
}