package fillwatch

import (
	"io"
	"log"
	"path/filepath"
	"strings"
	"testing"
)

// `09` §3 decision 36 — the drive-full warning names the kept folders on that drive (and only there).
func TestFillwatch_ExtraSentenceRidesTheWarning(t *testing.T) {
	var got []Event
	w := New(filepath.Join(t.TempDir(), "s.json"), log.New(io.Discard, "", 0),
		func() []Target { return []Target{{Path: "/mnt/d", Label: "HDD"}} },
		func(string) *Usage { return &Usage{UsedPercent: 97, AvailGB: 3, UsedGB: 97, TotalGB: 100} })
	w.SetNotify(func(e Event) { got = append(got, e) })
	w.SetExtra(func(tg Target) string {
		if tg.Path == "/mnt/d" {
			return "KEPT: Nextcloud (126.0 MB)."
		}
		return ""
	})
	if err := w.Check(); err != nil {
		t.Fatal(err)
	}
	if len(got) != 1 || !strings.HasSuffix(got[0].Message, " KEPT: Nextcloud (126.0 MB).") {
		t.Fatalf("events = %+v", got)
	}
}