"""Interactive demo for the Visualizer; run manually, not as a test."""

import random
from datetime import datetime

from visualizer import Visualizer
from storage import Book, BookSnapshot, OrderbookLevel


def demo_visualizer_creates_single_bar_on_flush() -> None:
    vis = Visualizer(window_seconds=60, max_bars=10)

    book = Book()
    ts = datetime.now().timestamp()

    snapshot = BookSnapshot(timestamp=int(ts))
    for r in range(100):
        snapshot.bids[100000 + random.random() * 100] = OrderbookLevel(
            price=100000 + random.random() * 100,
            size=1.0,
            liquidation_count=0,
            order_count=1,
        )
        snapshot.asks[100000 + random.random() * 100] = OrderbookLevel(
            price=100000 + random.random() * 100,
            size=1.0,
            liquidation_count=0,
            order_count=1,
        )

    book.add_snapshot(snapshot)

    vis.update_from_book(book)
    vis.flush()
    vis.show()


if __name__ == "__main__":
    demo_visualizer_creates_single_bar_on_flush()