package session

import sushi "git.sharkk.net/Sharkk/Sushi"

// Middleware provides session handling
func Middleware() sushi.Middleware {
	return func(next sushi.Handler) sushi.Handler {
		return func(ctx sushi.Ctx, params []string) {
			sessionID := sushi.GetCookie(ctx, SessionCookieName)
			var sess *Session

			if sessionID != "" {
				if existingSess, exists := GetSession(sessionID); exists {
					sess = existingSess
					sess.Touch()
					StoreSession(sess)
					SetSessionCookie(ctx, sessionID)
				}
			}

			if sess == nil {
				sess = CreateSession(0) // Guest session
				SetSessionCookie(ctx, sess.ID)
			}

			ctx.SetUserValue(SessionCtxKey, sess)
			next(ctx, params)
		}
	}
}