package web

import (
	"net/http/httptest"
	"strings"
	"testing"

	"gitea.dooplex.hu/admin/felhom-controller/internal/settings"
)

// W13 (rehearsal 2026-10-20): the init page's mount-name box was empty („a household does not know what to type") and
// a press with an empty box did nothing visible — only the browser's tooltip, from `required`. The box now holds the
// next free hdd_N, the hint says „Hagyd így, ha nem tudod", the form is novalidate and the press answers a bad name
// with a visible sentence (the server checks the name again: mountWhere).
func TestW13_StorageInitSuggestsTheNextFreeNameAndNeverFailsSilently(t *testing.T) {
	if got := nextFreeMountName(nil); got != "hdd_1" {
		t.Fatalf("no drive: %q", got)
	}
	reg := []settings.StoragePath{{Path: "/mnt/hdd_1"}, {Path: "/mnt/hdd_3/"}, {Path: "/mnt/felhom-drives/nas"}, {Path: "/mnt/hdd_2", Decommissioned: true}}
	if got := nextFreeMountName(reg); got != "hdd_4" {
		t.Fatalf("hdd_1, hdd_2 (decommissioned) and hdd_3 taken: %q", got)
	}
	if got := nextFreeMountName(reg[:2]); got != "hdd_2" {
		t.Fatalf("hdd_1 and hdd_3 taken: %q", got)
	}

	s := testServer(t)
	s.loadTemplates()
	if err := s.settings.AddStoragePath(settings.StoragePath{Path: "/mnt/hdd_1"}); err != nil {
		t.Fatal(err)
	}
	for _, page := range []string{"storage_init", "storage_attach"} {
		rr := httptest.NewRecorder()
		s.storageWizardPageHandler(rr, httptest.NewRequest("GET", "/storage/init", nil), page)
		body := rr.Body.String()
		if !strings.Contains(body, `id="mount-name" class="form-control" placeholder="hdd_1" value="hdd_2"`) {
			t.Errorf("%s: the mount name is not pre-filled with the next free name", page)
		}
		if !strings.Contains(body, "Hagyd így, ha nem tudod.") {
			t.Errorf("%s: the hint does not say „Hagyd így, ha nem tudod.”", page)
		}
		// THE CONSEQUENCE: no browser-only refusal — the form never lets the browser swallow the press, and the
		// press has a visible sentence for a bad name.
		if !strings.Contains(body, `-form" novalidate onsubmit=`) {
			t.Errorf("%s: the form is not novalidate — an empty name is refused by a tooltip only", page)
		}
		if !strings.Contains(body, "var bad=mountNameProblem();") || !strings.Contains(body, `id="mount-name-error"`) ||
			!strings.Contains(body, "Írj be egy csatlakoztatási nevet.") {
			t.Errorf("%s: a bad name has no visible answer", page)
		}
	}
}