"""cardano-checkout — merchant-side Cardano payment lifecycle in Python.

Zero-custody: the merchant brings a wallet xpub and an
:class:`~cardano_checkout.store.InvoiceStore` implementation. The SDK
owns the payment lifecycle — per-invoice receive-address bookkeeping,
Koios UTxO polling, confirm / underpay / overpay classification, and
time-windowed repricing against a consumer-supplied oracle.

Does NOT ship Cardano primitives. Address derivation, transaction
building, chain context, and native-script minting live in
`pycardano <https://github.com/Python-Cardano/pycardano>`_. See the
README for the pairing pattern and the CIP-25 v2 metadata-builder
snippet.

Quick start::

    from cardano_checkout import Invoice, InvoiceStatus, InMemoryStore, InvoiceScheduler

    store = InMemoryStore()  # or your SQLAlchemy / asyncpg / sqlite adapter

    async def my_price_fn(usd: float) -> int:
        rate = await fetch_ada_usd_rate()
        return int(round(usd / rate * 1_000_000))

    scheduler = InvoiceScheduler(store=store, price_fn=my_price_fn)
    await scheduler.start()
"""

from __future__ import annotations

__version__ = "1.0.0-dev"

from cardano_checkout.invoice import Invoice, InvoiceStatus  # noqa: F401
from cardano_checkout.store import InMemoryStore, InvoiceStore  # noqa: F401
from cardano_checkout.monitor import (  # noqa: F401
    CONFIRM_TOLERANCE,
    DEFAULT_MAX_REPRICINGS,
    DEFAULT_PAYMENT_WINDOW_MINUTES,
    KOIOS_URL,
    OVERPAY_THRESHOLD,
    PriceFn,
    check_address_utxos,
    check_pending_invoices,
    evaluate_utxos,
    reprice_expired_invoices,
)
from cardano_checkout.scheduler import InvoiceScheduler  # noqa: F401

__all__ = [
    "__version__",
    # Invoice lifecycle
    "Invoice",
    "InvoiceStatus",
    # Persistence
    "InvoiceStore",
    "InMemoryStore",
    # Monitor + scheduler
    "PriceFn",
    "InvoiceScheduler",
    "check_address_utxos",
    "check_pending_invoices",
    "evaluate_utxos",
    "reprice_expired_invoices",
    "KOIOS_URL",
    "CONFIRM_TOLERANCE",
    "OVERPAY_THRESHOLD",
    "DEFAULT_MAX_REPRICINGS",
    "DEFAULT_PAYMENT_WINDOW_MINUTES",
]