import 'package:flutter/material.dart';

import 'package:collection/collection.dart';
import 'package:provider/provider.dart';

import 'package:pshared/controllers/balance_mask/wallets.dart';
import 'package:pshared/controllers/payment/source.dart';
import 'package:pshared/models/payment/source.dart';
import 'package:pshared/provider/ledger.dart';

import 'package:pweb/pages/wallet_top_up/content.dart';
import 'package:pweb/pages/wallet_top_up/ledger_content.dart';

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


class WalletTopUpPage extends StatelessWidget {
  final VoidCallback onBack;

  const WalletTopUpPage({super.key, required this.onBack});

  @override
  Widget build(BuildContext context) {
    final loc = AppLocalizations.of(context)!;
    final source = context.watch<PaymentSourceController>().selectedSource;

    if (source == null) {
      return Center(child: Text(loc.noWalletSelected));
    }

    return switch (source.type) {
      PaymentSourceType.wallet => Consumer<WalletsController>(
        builder: (context, provider, child) {
          if (provider.isLoading) {
            return const Center(child: CircularProgressIndicator());
          }

          if (provider.error != null) {
            return Center(
              child: Text(loc.notificationError(provider.error.toString())),
            );
          }

          final wallet = provider.selectedWallet;
          if (wallet == null) {
            return Center(child: Text(loc.noWalletSelected));
          }

          return WalletTopUpContent(wallet: wallet, onBack: onBack);
        },
      ),
      PaymentSourceType.ledger => Consumer<LedgerAccountsProvider>(
        builder: (context, provider, child) {
          if (provider.isLoading) {
            return const Center(child: CircularProgressIndicator());
          }

          if (provider.error != null) {
            return Center(
              child: Text(loc.notificationError(provider.error.toString())),
            );
          }

          final account = provider.accounts.firstWhereOrNull(
            (item) => item.ledgerAccountRef == source.id,
          );
          if (account == null) {
            return Center(child: Text(loc.noWalletSelected));
          }

          return LedgerTopUpContent(account: account, onBack: onBack);
        },
      ),
    };
  }
}