import 'package:easy_localization/easy_localization.dart' hide tr;
import 'package:flutter/material.dart';

import 'package:userfront/i18n.dart';
import '../services/web_window.dart';
import 'locale_storage.dart';
import 'locale_utils.dart';

class LocaleGate extends StatefulWidget {
  const LocaleGate({super.key, required this.localeCode, required this.child});

  final String localeCode;
  final Widget child;

  @override
  State<LocaleGate> createState() => _LocaleGateState();
}

class _LocaleGateState extends State<LocaleGate> {
  @override
  void didChangeDependencies() {
    super.didChangeDependencies();
    _applyLocale();
  }

  @override
  void didUpdateWidget(LocaleGate oldWidget) {
    super.didUpdateWidget(oldWidget);
    if (oldWidget.localeCode != widget.localeCode) {
      _applyLocale();
    }
  }

  Future<void> _applyLocale() async {
    final normalized = normalizeLocaleCode(widget.localeCode);
    LocaleStorage.write(normalized);
    webWindow.setTitle(
      tr('ui.userfront.app_title'),
    );
    if (context.locale.languageCode == normalized) {
      return;
    }
    await context.setLocale(Locale(normalized));
    webWindow.setTitle(
      tr('ui.userfront.app_title'),
    );
  }

  @override
  Widget build(BuildContext context) => widget.child;
}