Generate Transaction Statement

Authorization: Bearer YOUR_ACCESS_TOKEN

async function downloadMonthlyStatement(year: number, month: number) {
  const dateFrom = new Date(year, month - 1, 1).toISOString().split('T')[0];
  const lastDay = new Date(year, month, 0).getDate();
  const dateTo = new Date(year, month - 1, lastDay).toISOString().split('T')[0];

  await downloadStatement({
    dateFrom,
    dateTo,
    format: 'pdf'
  });
}

async function generateAnnualTaxReport(year: number) {
  const dateFrom = `${year}-01-01`;
  const dateTo = `${year}-12-31`;

  await downloadStatement({
    dateFrom,
    dateTo,
    format: 'csv'
  });
}

function StatementDownloader() {
  const [dateFrom, setDateFrom] = useState('');
  const [dateTo, setDateTo] = useState('');
  const [format, setFormat] = useState<'csv' | 'pdf'>('csv');
  const [loading, setLoading] = useState(false);

  const handleDownload = async () => {
    if (!dateFrom || !dateTo) {
      alert('Please select both start and end dates');
      return;
    }

    setLoading(true);
    try {
      await downloadStatement({ dateFrom, dateTo, format });
    } catch (error) {
      console.error('Failed to download statement:', error);
      alert('Failed to download statement. Please try again.');
    } finally {
      setLoading(false);
    }
  };

  return (
    <div>
      <h2>Download Transaction Statement</h2>

      <label>
        From:
        <input
          type="date"
          value={dateFrom}
          onChange={(e) => setDateFrom(e.target.value)}
        />
      </label>

      <label>
        To:
        <input
          type="date"
          value={dateTo}
          onChange={(e) => setDateTo(e.target.value)}
        />
      </label>

      <label>
        Format:
        <select value={format} onChange={(e) => setFormat(e.target.value as 'csv' | 'pdf')}>
          <option value="csv">CSV</option>
          <option value="pdf">PDF</option>
        </select>
      </label>

      <button onClick={handleDownload} disabled={loading}>
        {loading ? 'Downloading...' : 'Download Statement'}
      </button>
    </div>
  );
}

async function scheduleMonthlyReports() {
  const today = new Date();
  const lastMonth = new Date(today.getFullYear(), today.getMonth() - 1, 1);
  const lastDayOfLastMonth = new Date(today.getFullYear(), today.getMonth(), 0);

  const dateFrom = lastMonth.toISOString().split('T')[0];
  const dateTo = lastDayOfLastMonth.toISOString().split('T')[0];

  try {
    await downloadStatement({
      dateFrom,
      dateTo,
      format: 'pdf'
    });

    console.log('Monthly report generated successfully');
  } catch (error) {
    console.error('Failed to generate monthly report:', error);
  }
}

async function parseCSVStatement(dateFrom: string, dateTo: string) {
  const response = await fetch(
    `https://dev.api.baanx.com/v1/card/transactions/statement?dateFrom=${dateFrom}&dateTo=${dateTo}`,
    {
      headers: {
        'x-client-key': 'YOUR_CLIENT_KEY',
        'Authorization': 'Bearer YOUR_ACCESS_TOKEN',
        'Accept': 'text/csv'
      }
    }
  );

  const csvText = await response.text();
  const lines = csvText.split('\n');
  const headers = lines[0].split(',');

  const transactions = lines.slice(1).map(line => {
    const values = line.split(',');
    const transaction: any = {};

    headers.forEach((header, index) => {
      transaction[header.trim()] = values[index]?.trim();
    });

    return transaction;
  });

  return transactions;
}