// Author: fruit.com.cn

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:provider/provider.dart';

import 'package:fruitshorts/core/data/models/wallet.dart';
import 'package:fruitshorts/core/data/repositories/commerce_repository.dart';
import 'package:fruitshorts/core/data/services/wallet_controller.dart';
import 'package:fruitshorts/l10n/app_localizations.dart';
import 'package:fruitshorts/pages/wallet/wallet_page.dart';

void main() {
  testWidgets('should_show_server_balance_and_ledger_when_wallet_opens', (
    tester,
  ) async {
    final controller = WalletController(_FakeCommerceRepository());

    await tester.pumpWidget(
      ChangeNotifierProvider<WalletController>.value(
        value: controller,
        child: MaterialApp(
          locale: const Locale('en'),
          localizationsDelegates: AppLocalizations.localizationsDelegates,
          supportedLocales: AppLocalizations.supportedLocales,
          home: const WalletPage(),
        ),
      ),
    );
    await tester.pumpAndSettle();

    expect(find.byKey(const Key('wallet-balance')), findsOneWidget);
    expect(
      tester.widget<Text>(find.byKey(const Key('wallet-balance'))).data,
      '320',
    );
    expect(find.text('Episode unlock'), findsOneWidget);
    expect(find.text('-50'), findsOneWidget);
    expect(find.byKey(const Key('wallet-ledger-11')), findsOneWidget);
  });

  testWidgets('should_show_empty_ledger_copy_when_wallet_has_no_entries', (
    tester,
  ) async {
    final controller = WalletController(
      _FakeCommerceRepository(includeLedger: false),
    );

    await tester.pumpWidget(
      ChangeNotifierProvider<WalletController>.value(
        value: controller,
        child: MaterialApp(
          locale: const Locale('en'),
          localizationsDelegates: AppLocalizations.localizationsDelegates,
          supportedLocales: AppLocalizations.supportedLocales,
          home: const WalletPage(),
        ),
      ),
    );
    await tester.pumpAndSettle();

    expect(find.text('No coin activity yet.'), findsOneWidget);
  });
}

class _FakeCommerceRepository implements CommerceRepository {
  _FakeCommerceRepository({this.includeLedger = true});

  final bool includeLedger;

  @override
  Future<WalletSnapshot> fetchWallet() async => WalletSnapshot(
    wallet: const CoinWallet(
      coinBalance: 320,
      totalRechargedCoin: 500,
      totalConsumedCoin: 180,
      totalRefundedCoin: 0,
    ),
    ledger: includeLedger
        ? [
            CoinLedgerEntry(
              id: '11',
              changeAmount: -50,
              balanceAfter: 320,
              bizType: 'UNLOCK',
              remark: '',
              createdAt: DateTime(2026, 10, 19, 10),
            ),
          ]
        : const [],
  );

  @override
  Future<UnlockResult> unlock(String episodeId) async =>
      const UnlockResult(
        unlocked: true,
        accessType: 'UNLOCKED',
        coinCost: 50,
        coinBalance: 270,
      );
}