package quiesce

import (
	"context"
	"testing"
)

// R-871 (v0.295.0): a scheduled whole-guest cycle waits while a catch-up of a missed night runs (it would stop the
// apps under the catch-up's database dumps), and runs at the next poll once the catch-up has ended.
// COMPANION RED-PROOF: drop the catchUpRunning() check in runOnce → "the backup started while a catch-up ran".
func TestR871_ScheduledCycleWaitsForCatchUp(t *testing.T) {
	be := &fakeBackend{due: true, dueAge: i64(20 * 3600), phases: []string{"done"}}
	st := &fakeStacks{running: []string{"nextcloud"}}
	l := windowLoop(t, be, st, "02:30", atBudapest(5, 0)) // inside [W+2h, W+6h)
	running := true
	l.SetCatchUpFn(func() bool { return running })
	if err := l.runOnce(context.Background()); err != nil {
		t.Fatalf("runOnce: %v", err)
	}
	if be.startCalls != 0 || len(st.stoppedNames()) != 0 {
		t.Fatalf("the backup started while a catch-up ran: start=%d stopped=%v", be.startCalls, st.stoppedNames())
	}
	running = false
	if err := l.runOnce(context.Background()); err != nil {
		t.Fatalf("runOnce: %v", err)
	}
	if be.startCalls != 1 {
		t.Fatalf("after the catch-up the backup must run at the next poll; start=%d", be.startCalls)
	}
}