package web

import (
	"net/http/httptest"
	"os"
	"path/filepath"
	"regexp"
	"strings"
	"testing"

	"gitea.dooplex.hu/admin/felhom-controller/internal/i18n"
)

var goStringLit = regexp.MustCompile(`"(?:[^"\\]|\\.)*"`)

// R-516 (2026-10-06 night) — the formal („ön") forms that lived in GO LITERALS, where the bundle gate
// cannot read them: the escrow and share handlers, the export upload, the network-storage attach and
// remove errors, the uid refusal. They are bundle keys now, te-form in Hungarian, with English.
//
// Left on purpose (named so the scan's exemptions are not a wish): internal/setup and
// internal/recovery (the setup wizard and the household's recovery-info.txt — R-554, the operator's
// call); internal/notify and internal/fillwatch (the SMART and fill-watch texts are the hub event's
// MESSAGE — wire text the hub mails as is; converting them needs the household-copy producer shape).
//
// COMPANION RED-PROOF (observed): put back „próbálja újra" in share_handlers.go → the source scan fails
// naming the file and the stem. Restored.
func TestR516_GoLiteralFormalFormsAreGone(t *testing.T) {
	b, err := i18n.Shared()
	if err != nil {
		t.Fatal(err)
	}
	want := map[string]string{
		"api.escrow.too_many_attempts":      "Túl sok sikertelen próbálkozás, próbáld újra 1 perc múlva.",
		"api.escrow.no_active_job":          "Nincs aktív helyreállítási folyamat — előbb indítsd el a kódkészítést.",
		"api.share.form_invalid":            "Érvénytelen űrlap — töltsd újra az oldalt.",
		"api.export.upload_size_mismatch":   "A feltöltött méret nem egyezik — próbáld újra.",
		"api.netstorage.add.smb_share":      "A megadott SMB-megosztás nem található a szerveren. Ellenőrizd a megosztás nevét.",
		"api.netstorage.add.busy":           "Már folyamatban van egy csatlakoztatás. Várd meg, amíg befejeződik.",
		"api.netstorage.uid_range":          "Az alkalmazás felhasználói azonosítója (uid) érvénytelen. Adj meg 1 és 65533 közötti értéket — a legtöbb médiaalkalmazás az 1000-est használja.",
		"api.netstorage.add.not_network_fs": "A hálózati tárhely csatolása a rendszeren belül nem jött létre megfelelően. Próbáld újra a csatlakoztatást; ha a hiba ismétlődik, jelezd az üzemeltetőnek.",
	}
	for key, w := range want {
		if got, fellBack, ok := b.Text("hu", key); !ok || fellBack || got != w {
			t.Errorf("hu %s: %q, want %q", key, got, w)
		}
		if _, fellBack, ok := b.Text("en", key); !ok || fellBack {
			t.Errorf("en %s: missing (fell back to Hungarian)", key)
		}
	}

	// Source scan over the Go literals this row converted. ASCII-folded, so an accent cannot hide one.
	fold := strings.NewReplacer("á", "a", "é", "e", "í", "i", "ó", "o", "ö", "o", "ő", "o", "ú", "u", "ü", "u", "ű", "u")
	stems := []string{"probalja", "toltse ujra", "allitson be", "varja meg", "inditsa", "ellenorizze",
		"hasznalja az eszkoz", "kapcsolja be", "allitsa a", "jelezze az", "tavolitsa el vagy", "adjon meg", "valasszon csatlakoztatott"}
	skip := map[string]bool{"setup": true, "recovery": true, "notify": true, "fillwatch": true}
	root := filepath.Join("..")
	scanned := 0
	err = filepath.Walk(root, func(p string, info os.FileInfo, err error) error {
		if err != nil {
			return err
		}
		if info.IsDir() {
			if skip[info.Name()] || info.Name() == "testdata" {
				return filepath.SkipDir
			}
			return nil
		}
		if !strings.HasSuffix(p, ".go") || strings.HasSuffix(p, "_test.go") {
			return nil
		}
		data, rerr := os.ReadFile(p)
		if rerr != nil {
			return rerr
		}
		scanned++
		for i, line := range strings.Split(string(data), "\n") {
			tl := strings.TrimSpace(line)
			if strings.HasPrefix(tl, "//") || !strings.Contains(tl, `"`) {
				continue
			}
			// Only literals with a space are sentences; a bundle KEY (no space) may carry a stem in its name.
			var sentences []string
			for _, m := range goStringLit.FindAllString(tl, -1) {
				if strings.Contains(m, " ") {
					sentences = append(sentences, m)
				}
			}
			lv := fold.Replace(strings.ToLower(strings.Join(sentences, " ")))
			for _, st := range stems {
				if strings.Contains(lv, st) {
					t.Errorf("%s:%d still carries the formal %q: %s", p, i+1, st, tl)
				}
			}
		}
		return nil
	})
	if err != nil {
		t.Fatal(err)
	}
	if scanned < 50 {
		t.Fatalf("the scan read only %d Go files — it judged nothing", scanned)
	}
	// Positive control: the fold turns a formal literal into a matching stem.
	if lv := fold.Replace(strings.ToLower(`"Próbálja újra."`)); !strings.Contains(lv, "probalja") {
		t.Fatal("the ASCII fold does not work — the scan proves nothing")
	}
}

// A detached attach job's failure is rendered in the READER's language, not frozen in the language of
// the moment it failed.
//
// COMPANION RED-PROOF (observed): make handleNetStorageAddStatus return job.Message again → the English
// reader gets the Hungarian sentence and this fails. Restored.
func TestR516_NetAddFailureFollowsTheReader(t *testing.T) {
	s := testServer(t)
	job := &netAddJob{Name: "media", Phase: netAddPhaseFailed, Category: "unreachable", server: "FELHOM", mappedUID: 1000}
	job.Message = s.netAddMessage("hu", job.Category, job.server, job.mappedUID)
	s.netAdd.set(job)

	rr := httptest.NewRecorder()
	s.handleNetStorageAddStatus(rr, httptest.NewRequest("GET", "/api/storage/network/add/status?lang=en", nil))
	body := rr.Body.String()
	if !strings.Contains(body, "The server cannot be reached (FELHOM)") || !strings.Contains(body, "looks like a Windows network name") {
		t.Fatalf("an English reader must get the English failure with its tip: %s", body)
	}
	rr = httptest.NewRecorder()
	s.handleNetStorageAddStatus(rr, httptest.NewRequest("GET", "/api/storage/network/add/status?lang=hu", nil))
	if !strings.Contains(rr.Body.String(), "Ellenőrizd az IP-címet") {
		t.Fatalf("a Hungarian reader must get the te-form sentence: %s", rr.Body.String())
	}
}