package hws

import (
	"net/http"
	"time"

	"github.com/gobwas/glob"
)

// Middleware to add logs to console with details of the request
func logging(next http.Handler, logger *logger) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if logger == nil {
			next.ServeHTTP(w, r)
			return
		}
		if globTest(r.URL.Path, logger.ignoredPaths) {
			next.ServeHTTP(w, r)
			return
		}
		start, err := getStartTime(r.Context())
		if err != nil {
			logger.logger.Error().Err(err)
			return
		}
		wrapped := &wrappedWriter{
			ResponseWriter: w,
			statusCode:     http.StatusOK,
		}
		next.ServeHTTP(wrapped, r)
		logger.logger.Info().
			Int("status", wrapped.statusCode).
			Str("method", r.Method).
			Str("resource", r.URL.Path).
			Dur("time_elapsed", time.Since(start)).
			Str("remote_addr", r.Header.Get("X-Forwarded-For")).
			Msg("Served")
	})
}

func globTest(testPath string, globs []glob.Glob) bool {
	for _, g := range globs {
		if g.Match(testPath) {
			return true
		}
	}
	return false
}