package webutility
  
  import (
  	"net/http"

  	"time"
  
  	"git.to-net.rs/marko.tikvic/gologger"

  )

  var httpLogger *gologger.Logger

  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 EnableLogging(log string) (err error) {
  	httpLogger, err = gologger.New(log, gologger.MaxLogSize5MB)
  	return err
  }
  
  func Log(h http.HandlerFunc) http.HandlerFunc {
  	return func(w http.ResponseWriter, req *http.Request) {
  		t1 := time.Now()
  
  		claims, _ := GetTokenClaims(req)
  		in := httpLogger.LogHTTPRequest(req, claims.Username)
  
  		rec := NewStatusRecorder(w)
  
  		h(rec, req)
  
  		t2 := time.Now()
  		out := httpLogger.LogHTTPResponse(rec.Status(), t2.Sub(t1), rec.Size())
  
  		httpLogger.CombineHTTPLogs(in, out)
  	}
  }

  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)
  	}

  }