package middleware

import (
	"net/http"

	"music-server/internal/logging"

	"github.com/labstack/echo/v5"
)

// SyncCheck blocks requests with HTTP 423 Locked while a sync is in progress.
func SyncCheck(isSyncing func() bool) echo.MiddlewareFunc {
	return func(next echo.HandlerFunc) echo.HandlerFunc {
		return func(c *echo.Context) error {
			if isSyncing() {
				logging.GetLogger().Info("Syncing is in progress - request blocked")
				return echo.NewHTTPError(http.StatusLocked, "Syncing is in progress")
			}
			return next(c)
		}
	}
}