package hub

import (
	"os"
	"path/filepath"
	"testing"
)

// R-840: the agent reports the bundle record itself — "none" when no bundle ever reached the box (so an old wrapper
// cannot hide that), "unknown" when it cannot be read, else the version and sha the root wrapper recorded.
func TestReadBundleRecord(t *testing.T) {
	dir := t.TempDir()
	p := filepath.Join(dir, "config-bundle.json")
	if got := string(readBundleRecord(p)); got != `{"version":"none"}` {
		t.Fatalf("absent: %s", got)
	}
	os.WriteFile(p, []byte("{broken"), 0o644)
	if got := string(readBundleRecord(p)); got != `{"version":"unknown"}` {
		t.Fatalf("broken: %s", got)
	}
	os.WriteFile(p, []byte(`{"format":1,"agent_version":"0.143.0","bundle_sha256":"abc","installed_at":"2026-10-04T20:00:00Z","authority":"signed","files":{"/x":"y"}}`), 0o644)
	if got := string(readBundleRecord(p)); got != `{"authority":"signed","bundle_sha256":"abc","installed_at":"2026-10-04T20:00:00Z","version":"0.143.0"}` {
		t.Fatalf("record: %s", got)
	}
}