import 'dart:io';
import 'dart:convert';
import 'package:http/http.dart' as http;

/// Script untuk menguji integrasi dengan Firefly III API
/// Menjalankan beberapa operasi dasar:
/// 1. Menguji koneksi ke instance Firefly III
/// 2. Menguji autentikasi dengan token
/// 3. Mengambil daftar akun
/// 4. Mengirim transaksi dummy

void main() async {
  // Konfigurasi - Ganti dengan nilai yang sesuai untuk instance Firefly III Anda
  const String baseUrl = 'http://192.168.1.100:8080'; // Contoh URL
  const String accessToken = 'your_access_token_here'; // Contoh token
  const String sourceAccountId = '1'; // ID akun sumber (revenue)
  const String destinationAccountId = '2'; // ID akun tujuan (asset)

  print('=== MENGUJI INTEGRASI FIREFLY III ===\n');

  // 1. Menguji koneksi
  print('1. Menguji koneksi ke Firefly III...');
  try {
    final connectivityResponse = await http.get(Uri.parse('$baseUrl/api/v1/about'));
    if (connectivityResponse.statusCode == 200) {
      print('   ✓ Koneksi berhasil');
    } else {
      print('   ✗ Koneksi gagal (Status code: ${connectivityResponse.statusCode})');
      return;
    }
  } catch (e) {
    print('   ✗ Koneksi gagal dengan error: $e');
    return;
  }

  // 2. Menguji autentikasi
  print('\n2. Menguji autentikasi dengan token...');
  try {
    final authResponse = await http.get(
      Uri.parse('$baseUrl/api/v1/about/user'),
      headers: {
        'Authorization': 'Bearer $accessToken',
        'Accept': 'application/json',
      },
    );
    if (authResponse.statusCode == 200) {
      print('   ✓ Autentikasi berhasil');
    } else {
      print('   ✗ Autentikasi gagal (Status code: ${authResponse.statusCode})');
      print('   Response body: ${authResponse.body}');
      return;
    }
  } catch (e) {
    print('   ✗ Autentikasi gagal dengan error: $e');
    return;
  }

  // 3. Mengambil daftar akun
  print('\n3. Mengambil daftar akun...');
  try {
    final accountsResponse = await http.get(
      Uri.parse('$baseUrl/api/v1/accounts'),
      headers: {
        'Authorization': 'Bearer $accessToken',
        'Accept': 'application/json',
      },
    );
    if (accountsResponse.statusCode == 200) {
      final accountsData = json.decode(accountsResponse.body);
      if (accountsData is Map<String, dynamic> && accountsData.containsKey('data')) {
        final accounts = accountsData['data'] as List;
        print('   ✓ Berhasil mengambil ${accounts.length} akun');
        
        // Tampilkan 3 akun pertama
        print('   Contoh akun:');
        for (int i = 0; i < accounts.length && i < 3; i++) {
          final account = accounts[i];
          if (account is Map<String, dynamic> && account.containsKey('id') && account.containsKey('attributes')) {
            final attributes = account['attributes'];
            if (attributes is Map<String, dynamic> && attributes.containsKey('name') && attributes.containsKey('type')) {
              print('     - ID: ${account['id']}, Nama: ${attributes['name']}, Tipe: ${attributes['type']}');
            }
          }
        }
      } else {
        print('   ✗ Format respons akun tidak sesuai harapan');
        return;
      }
    } else {
      print('   ✗ Gagal mengambil akun (Status code: ${accountsResponse.statusCode})');
      print('   Response body: ${accountsResponse.body}');
      return;
    }
  } catch (e) {
    print('   ✗ Gagal mengambil akun dengan error: $e');
    return;
  }

  // 4. Mengirim transaksi dummy
  print('\n4. Mengirim transaksi dummy...');
  try {
    final transactionPayload = jsonEncode({
      "transactions": [
        {
          "type": "deposit",
          "date": "2025-08-21",
          "amount": "50.00",
          "description": "Transaksi Dummy via Test Script",
          "source_id": sourceAccountId,
          "destination_id": destinationAccountId,
        }
      ]
    });

    final transactionResponse = await http.post(
      Uri.parse('$baseUrl/api/v1/transactions'),
      headers: {
        'Authorization': 'Bearer $accessToken',
        'Accept': 'application/json',
        'Content-Type': 'application/json',
      },
      body: transactionPayload,
    );

    if (transactionResponse.statusCode == 200 || transactionResponse.statusCode == 201) {
      print('   ✓ Transaksi berhasil dikirim');
      
      // Coba parse transaction ID
      try {
        final transactionData = json.decode(transactionResponse.body);
        if (transactionData is Map<String, dynamic> && 
            transactionData.containsKey('data') && 
            transactionData['data'] is List && 
            transactionData['data'].isNotEmpty) {
          
          final firstTransaction = transactionData['data'][0];
          if (firstTransaction is Map<String, dynamic> && firstTransaction.containsKey('transaction_id')) {
            print('   Transaction ID: ${firstTransaction['transaction_id']}');
          } else if (firstTransaction is Map<String, dynamic> && firstTransaction.containsKey('id')) {
            print('   Transaction ID: ${firstTransaction['id']}');
          }
        }
      } catch (e) {
        print('   Tidak dapat mem-parsing transaction ID: $e');
      }
    } else {
      print('   ✗ Gagal mengirim transaksi (Status code: ${transactionResponse.statusCode})');
      print('   Response body: ${transactionResponse.body}');
      return;
    }
  } catch (e) {
    print('   ✗ Gagal mengirim transaksi dengan error: $e');
    return;
  }

  print('\n=== PENGUJIAN SELESAI ===');
  print('Semua pengujian berhasil! Integrasi dengan Firefly III berfungsi dengan baik.');
}