package log

import (
	"context"
	"io"
	"time"

	kitlog "github.com/go-kit/log"

	"tildegit.org/tjp/gus"
)

func Requests(out io.Writer, logger kitlog.Logger) gus.Middleware {
	if logger == nil {
		logger = kitlog.NewLogfmtLogger(kitlog.NewSyncWriter(out))
	}

	return func(next gus.Handler) gus.Handler {
		return func(ctx context.Context, r *gus.Request) (resp *gus.Response) {
			start := time.Now()
			defer func() {
				end := time.Now()
				logger.Log(
					"msg", "request",
					"ts", end,
					"dur", end.Sub(start),
					"url", r.URL,
					"status", resp.Status,
				)
			}()

			return next(ctx, r)
		}
	}
}