package backup

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

type stoppedStarter struct {
	fakeStarter
	stopped map[string]bool
}

func (s *stoppedStarter) WantsStopped(n string) bool { return s.stopped[n] }

// R-721 (v0.283.1): a controller crash during a volume dump leaves a marker owing the app a restart; if the
// household pressed Stop meanwhile, the startup recovery does not start it — and the marker still clears.
// COMPANION RED-PROOF: remove the WantsStopped skip in Recover → started=[immich].
func TestR721_CrashRecoveryKeepsTheHouseholdsStop(t *testing.T) {
	dir := t.TempDir()
	g1, _ := newGuard(t, dir)
	if err := g1.Begin("volume-dump:immich", ReasonVolumeDump, []string{"immich"}); err != nil {
		t.Fatal(err)
	}
	s := &stoppedStarter{stopped: map[string]bool{"immich": true}}
	g2 := NewAppStopGuard(filepath.Join(dir, "appstop-state.json"), log.New(io.Discard, "", 0))
	g2.SetStarter(s)
	g2.Recover()
	if len(s.starts) != 0 {
		t.Fatalf("the crash recovery started %v — the household stopped it (R-721)", s.starts)
	}
	if markerExists(t, dir) {
		t.Fatal("the marker survived — the next boot would try again")
	}
}