package stacks

import (
	"strings"
	"testing"
	"time"
)

// R-679 (v0.270.0): an Update pressed on an app already at the catalog head is refused BEFORE anything
// moves — no backup, no pull, no restart — with its own reason and a sentence in the household's
// language. A re-tested digest for the same tag is NOT current and still updates.
//
// COMPANION RED-PROOF (REPORT.md): drop the UpdateOrderCurrent check from UpdatePreflight → "an app at
// the head was allowed to update".
func TestR679_CurrentAppIsRefused(t *testing.T) {
	m, _, _, _ := newSlice4Manager(t)
	st := m.stacks["nextcloud"]
	st.AppConfig.InstalledImages = map[string]InstalledImage{"web": oi("nextcloud:31.0.14-apache")}
	st.CatalogImages = map[string]string{"web": "nextcloud:31.0.14-apache"}
	ref := m.UpdatePreflight("nextcloud")
	if ref == nil {
		t.Fatal("an app at the head was allowed to update")
	}
	if ref.Reason != "already_current" || ref.Cause == nil || !strings.Contains(ref.Message, "legfrissebb") {
		t.Fatalf("refusal = %q %q (cause %v) — want already_current, a key-bearing Cause, the Hungarian sentence", ref.Reason, ref.Message, ref.Cause)
	}
}

func TestR679_BehindAndRetestedDigestStillUpdate(t *testing.T) {
	m, _, _, _ := newSlice4Manager(t)
	st := m.stacks["nextcloud"]
	st.AppConfig.InstalledImages = map[string]InstalledImage{"web": oi("nextcloud:31.0.13-apache")}
	st.CatalogImages = map[string]string{"web": "nextcloud:31.0.14-apache"}
	if ref := m.UpdatePreflight("nextcloud"); ref != nil {
		t.Fatalf("a behind app was refused: %q", ref.Reason)
	}
	// same tag, a newer TESTED digest than the install → behind, not current
	inst := oi("redis:7-alpine")
	inst.Digest = "sha256:" + strings.Repeat("a", 64)
	inst.At = time.Now().Add(-48 * time.Hour).UTC().Format(time.RFC3339)
	st.AppConfig.InstalledImages = map[string]InstalledImage{"web": inst}
	st.CatalogImages = map[string]string{"web": "redis:7-alpine"}
	st.CatalogDigests = map[string]string{"web": "sha256:" + strings.Repeat("b", 64)}
	st.CatalogTestedAt = time.Now()
	if ref := m.UpdatePreflight("nextcloud"); ref != nil {
		t.Fatalf("a re-tested digest was refused as current: %q", ref.Reason)
	}
}