package middleware

import (
	"github.com/gofiber/fiber/v2"
	"github.com/rs/xid"
)

type ContextKey string

const (
	SessionKey = "X-SessionKey"
)

func AnswererChain() fiber.Handler {
	return func(c *fiber.Ctx) error {
		session := c.Get(SessionKey)

		if session == "" {
			session := xid.New().String()
			c.Set(SessionKey, session)
			c.Locals(ContextKey(SessionKey), session)
		} else {
			c.Locals(ContextKey(SessionKey), session)
		}

		return c.Next()
	}
}