import pandas as pd

from bank_parsers.helpers import parse_norwegian_date, parse_norwegian_number, convert_memo


def parse_sparebanken_norge(data):
    """
    Parse Sparebanken Norge bank data
    """
    result = []
    
    for _, row in data.iterrows():
        status = row.get('Status')

        if pd.isna(status):
            continue

        cleared = status == "Bokført"

        if row.get('Valuta') != 'NOK':
            raise ValueError(f"Unknown currency {row['Valuta']} in row:\n{row}")

        payee = convert_memo(row.get('Beskrivelse', ''))
        memo = convert_memo(row.get('Melding/KID/Fakt.nr', ''))

        date = row.get('Bokført dato') if cleared else row.get('Utført dato')

        result.append({
            'Date': parse_norwegian_date(date),
            'Payee': payee,
            'Memo': memo,
            'Outflow': -parse_norwegian_number(row['Beløp ut']) or 0,
            'Inflow': parse_norwegian_number(row['Beløp inn']) or 0,
            'Cleared': cleared,
        })
    
    return pd.DataFrame(result)