// Fenrir console screen reader.
// Copyright (c) 2026 Storm Dragon
// SPDX-License-Identifier: GPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation, either version 3 of the License, or (at your option)
// any later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
// more details.
//
// You should have received a copy of the GNU General Public License along with
// this program. If not, see <https://www.gnu.org/licenses/gpl-3.0.html>.

package presentation

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

	"git.stormux.org/storm/fenrir/internal/i18n"
	"git.stormux.org/storm/fenrir/internal/screen"
)

func TestTranslationsDoNotTranslateApplicationContent(t *testing.T) {
	root := t.TempDir()
	dir := filepath.Join(root, "xx", "LC_MESSAGES")
	if err := os.MkdirAll(dir, 0700); err != nil {
		t.Fatal(err)
	}
	if err := os.WriteFile(filepath.Join(dir, "fenrir.po"), []byte("msgid \"blank\"\nmsgstr \"translated-blank\"\n"), 0600); err != nil {
		t.Fatal(err)
	}
	previous := i18n.Use(i18n.New(root, "xx"))
	t.Cleanup(func() { i18n.Use(previous) })
	snapshot := screen.Snapshot{Rows: 1, Cols: 5, Cells: []rune("blank")}
	if got := Line(snapshot, 0); got != "blank" {
		t.Fatal("translated application text", got)
	}
	snapshot.Cells = []rune("     ")
	if got := Line(snapshot, 0); got != "translated-blank" {
		t.Fatal("reader label untranslated", got)
	}
}