"""
CAUTION: You may get a json.decoding error.
This works for some of us but fails for others.
"""

from datetime import datetime

import requests
from rich import box
from rich import console as rich_console
from rich import table as rich_table

LIMIT = 10
TODAY = datetime.now()

API_URL = (
    "https://www.forbes.com/forbesapi/person/rtb/0/position/true.json"
    "?fields=personName,gender,source,countryOfCitizenship,birthDate,finalWorth"
    f"&limit={LIMIT}"
)


def calculate_age(unix_date: int) -> str:
    """Calculates age from given unix time format.

    Returns:
        Age as string

    >>> calculate_age(-657244800000)
    '73'
    >>> calculate_age(46915200000)
    '51'
    """
    birthdate = datetime.fromtimestamp(unix_date / 1000).date()
    return str(
        TODAY.year
        - birthdate.year
        - ((TODAY.month, TODAY.day) < (birthdate.month, birthdate.day))
    )


def get_forbes_real_time_billionaires() -> list[dict[str, str]]:
    """Get top 10 realtime billionaires using forbes API.

    Returns:
        List of top 10 realtime billionaires data.
    """
    response_json = requests.get(API_URL).json()
    return [
        {
            "Name": person["personName"],
            "Source": person["source"],
            "Country": person["countryOfCitizenship"],
            "Gender": person["gender"],
            "Worth ($)": f"{person['finalWorth'] / 1000:.1f} Billion",
            "Age": calculate_age(person["birthDate"]),
        }
        for person in response_json["personList"]["personsLists"]
    ]


def display_billionaires(forbes_billionaires: list[dict[str, str]]) -> None:
    """Display Forbes real time billionaires in a rich table.

    Args:
        forbes_billionaires (list): Forbes top 10 real time billionaires
    """

    table = rich_table.Table(
        title=f"Forbes Top {LIMIT} Real Time Billionaires at {TODAY:%Y-%m-%d %H:%M}",
        style="green",
        highlight=True,
        box=box.SQUARE,
    )
    for key in forbes_billionaires[0]:
        table.add_column(key)

    for billionaire in forbes_billionaires:
        table.add_row(*billionaire.values())

    rich_console.Console().print(table)


if __name__ == "__main__":
    display_billionaires(get_forbes_real_time_billionaires())