from __future__ import annotations

from datetime import datetime, timezone

from src.integrations.exchange.models import BalanceSummary, ExchangeHealth, TickerPrice


def mock_exchange_health() -> ExchangeHealth:
    return ExchangeHealth(
        ok=True,
        mode="mock",
        message="Биржа работает в mock mode. Реальный API пока не подключен.",
    )


def mock_ticker_price(symbol: str) -> TickerPrice:
    symbol = symbol.upper().strip()
    fake_prices = {
        "BTCUSDT": 68425.10,
        "ETHUSDT": 3521.44,
        "BNBUSDT": 612.33,
    }
    price = fake_prices.get(symbol, 100.00)
    updated_at = datetime.now(timezone.utc).strftime("%Y-%m-%d %H:%M:%S UTC")
    return TickerPrice(
        symbol=symbol,
        price=price,
        source="mock",
        updated_at=updated_at,
    )


def mock_balance_summary() -> list[BalanceSummary]:
    return [
        BalanceSummary(currency="USDT", available=1500.00, locked=0.0, source="mock"),
        BalanceSummary(currency="BTC", available=0.025, locked=0.0, source="mock"),
    ]