#!/usr/bin/python3


import argparse

from datetime import datetime
from decimal import Decimal

from finance.model import Flow
from finance.simulate import simulate
from finance.visualize import display


DESCRIPTION = "Demo application plotting financial data with finance-py"


def main() -> None:
    argparse.ArgumentParser(description=DESCRIPTION).parse_args()

    measured = [
        (datetime(2024, 1, 1), Decimal(105.0)),
        (datetime(2024, 2, 1), Decimal(207.0)),
        (datetime(2024, 3, 1), Decimal(334.0)),
    ]

    flows = (
        Flow(amount=Decimal(100.0), since=None, until=None),
        Flow(
            amount=Decimal(200.0),
            since=datetime(2026, 1, 1),
            until=datetime(2027, 1, 1),
        ),
    )

    simulated = simulate(
        start=datetime(2024, 1, 1),
        end=datetime(2030, 1, 1),
        flows=flows,
    )

    display(
        simulated=simulated,
        measured=measured,
    )


if __name__ == "__main__":
    main()