import 'package:flutter/material.dart';
import 'package:logging/logging.dart';

import 'package:provider/provider.dart';

import 'package:pshared/provider/account.dart';

import 'package:pweb/app/router/pages.dart';
import 'package:pweb/widgets/error/snackbar.dart';

import 'package:pweb/generated/i18n/app_localizations.dart';


class AccountLoader extends StatefulWidget {
  final Widget child;
  const AccountLoader({super.key, required this.child});

  @override
  State<AccountLoader> createState() => _AccountLoaderState();
}

class _AccountLoaderState extends State<AccountLoader> {
  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addPostFrameCallback((_) {
      final provider = Provider.of<AccountProvider>(context, listen: false);
      if (provider.account == null) {
        provider.restoreIfPossible().catchError((error, stack) {
          Logger('Account restore failed: $error');
        });
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    return Consumer<AccountProvider>(builder: (context, provider, _) {
      if (provider.account != null) {
        return widget.child;
      }

      if (provider.error != null) {
        WidgetsBinding.instance.addPostFrameCallback((_) {
          postNotifyUserOfErrorX(
            context: context,
            errorSituation: AppLocalizations.of(context)!.errorLogin,
            exception: provider.error!,
          );
          navigateAndReplace(context, Pages.login);
        });
        return const Center(child: CircularProgressIndicator());
      }

      if (provider.isLoading) return const Center(child: CircularProgressIndicator());
      WidgetsBinding.instance.addPostFrameCallback((_) => navigateAndReplace(context, Pages.login));
      return const Center(child: CircularProgressIndicator());
    });
  }
}