package inventory

import (
	"encoding/json"
	"reflect"
	"strings"
	"testing"
	"time"
)

// The plan's backups are the contract mesh-delivery reads from `plan-moved` (issue 1065): their JSON field names
// are fixed here, and a plan keeps them through a round trip.
func TestAPlanKeepsItsBackupsThroughItsJSONUnderTheNamesTheDeliveryReads(t *testing.T) {
	at := time.Date(2026, 10, 17, 12, 0, 0, 0, time.UTC)
	p := Plan{ID: "p", Backups: &PlanBackups{State: BackupFailed, NoHolder: []string{"bare"},
		Asked: []PlanBackup{{Machine: "ace", Module: "mail", State: BackupFailed, AskedAt: &at, Words: "no space left"}}}}
	raw, err := json.Marshal(p)
	if err != nil {
		t.Fatal(err)
	}
	for _, name := range []string{`"backups":{"state":"failed","asked":[{"machine":"ace","module":"mail","state":"failed",` +
		`"asked_at":"2026-10-17T12:00:00Z","words":"no space left"}],"no_holder":["bare"]}`} {
		if !strings.Contains(string(raw), name) {
			t.Fatalf("plan JSON %s lacks %s", raw, name)
		}
	}
	var back Plan
	if err := json.Unmarshal(raw, &back); err != nil || !reflect.DeepEqual(back.Backups, p.Backups) {
		t.Fatalf("round trip: %v %+v", err, back.Backups)
	}
	raw, _ = json.Marshal(Plan{ID: "q"})
	if strings.Contains(string(raw), "backups") {
		t.Fatalf("a plan with no backups says none: %s", raw)
	}
}