import 'package:auto_route/auto_route.dart';
import 'package:flutter/material.dart';
import 'package:flutter_spinkit/flutter_spinkit.dart';

import '../../../common/theme/theme.dart';
import '../../../domain/wallet/wallet.dart';
import '../../../injection.dart';
import '../../components/toast/flushbar.dart';
import '../../router/app_router.gr.dart';
import '../wallet/wallet_ui.dart';

/// Memastikan customer siap memasukkan PIN (§6.1) sebelum aksi yang butuh PIN.
///
/// - Belum punya PIN: buka alur buat PIN, lalu lanjut bila berhasil dibuat.
/// - PIN terkunci: tampilkan jam buka kunci dan tawarkan "Lupa PIN".
///
/// Mengembalikan `true` bila aksi boleh dilanjutkan ke input PIN.
Future<bool> ensurePinReady(BuildContext context) async {
  showDialog<void>(
    context: context,
    barrierDismissible: false,
    builder: (_) => const Center(
      child: SpinKitFadingCircle(color: AppColor.white, size: 40),
    ),
  );

  final result = await getIt<IPinRepository>().getStatus();

  if (!context.mounted) return false;
  Navigator.of(context, rootNavigator: true).pop();

  final failure = result.fold((f) => f, (_) => null);
  if (failure != null) {
    AppFlushbar.showError(context, walletFailureMessage(failure));
    return false;
  }

  final status = result.getOrElse(() => const PinStatus(hasPin: false));

  if (!status.hasPin) {
    final created = await context.router.push<bool>(
      PinSetupRoute(purpose: PinOtpPurpose.setup),
    );
    return created == true;
  }

  if (status.isLocked) {
    await showPinLockedDialog(context, status.lockedUntil!);
    return false;
  }

  return true;
}

Future<void> showPinLockedDialog(
  BuildContext context,
  DateTime lockedUntil,
) async {
  final forgot = await showDialog<bool>(
    context: context,
    builder: (dialogContext) => AlertDialog(
      backgroundColor: AppColor.white,
      title: Text(
        'PIN terkunci',
        style: AppStyle.lg.copyWith(fontWeight: FontWeight.w700),
      ),
      content: Text(
        'PIN terkunci sampai ${formatWibTime(lockedUntil)}.',
        style: AppStyle.md,
      ),
      actions: [
        TextButton(
          onPressed: () => Navigator.of(dialogContext).pop(false),
          child: Text(
            'Tutup',
            style: AppStyle.md.copyWith(color: AppColor.textSecondary),
          ),
        ),
        TextButton(
          onPressed: () => Navigator.of(dialogContext).pop(true),
          child: Text(
            'Lupa PIN',
            style: AppStyle.md.copyWith(
              color: AppColor.primary,
              fontWeight: FontWeight.w700,
            ),
          ),
        ),
      ],
    ),
  );

  if (forgot == true && context.mounted) {
    context.router.push(PinSetupRoute(purpose: PinOtpPurpose.reset));
  }
}