package webutility
  
  import (
  	"net/http"

  )

  func SetHeaders(h http.HandlerFunc) http.HandlerFunc {

  	return func(w http.ResponseWriter, req *http.Request) {

  		SetDefaultHeaders(w)
  		if req.Method == http.MethodOptions {
  			return
  		}

  		h(w, req)
  	}

  }

  func ParseForm(h http.HandlerFunc) http.HandlerFunc {

  	return func(w http.ResponseWriter, req *http.Request) {

  		err := req.ParseForm()
  		if err != nil {
  			BadRequest(w, req, err.Error())
  			return
  		}

  		h(w, req)
  	}

  }

  func ParseMultipartForm(h http.HandlerFunc) http.HandlerFunc {
  	return func(w http.ResponseWriter, req *http.Request) {
  		err := req.ParseMultipartForm(32 << 20)
  		if err != nil {
  			BadRequest(w, req, err.Error())
  			return
  		}
  		h(w, req)
  	}
  }

  func Auth(roles string, h http.HandlerFunc) http.HandlerFunc {

  	return func(w http.ResponseWriter, req *http.Request) {

  		if _, err := AuthCheck(req, roles); err != nil {
  			Unauthorized(w, req, err.Error())

  			return
  		}

  		h(w, req)
  	}

  }