"""In-memory data fixtures for orders, returns, and FAQ policies.

`ORDERS` and `RETURN_POLICY` are read by both the system prompt (so the prompt
quotes policy verbatim instead of paraphrasing) and the tool handlers (so the
two never drift apart). `RETURNS` is mutated by `initiate_return` at runtime.
"""

from datetime import date, timedelta

# A frozen "today" so the four-order fixture stays deterministic across runs.
TODAY = date(2026, 4, 14)


def _days_ago(n: int) -> str:
    return (TODAY - timedelta(days=n)).isoformat()


RETURN_POLICY: dict = {
    "window_days": 30,
    "condition_requirements": "Items must be unread, undamaged, and in their original packaging.",
    "refund_method": "Refunds are issued to the original payment method.",
    "refund_timeline_days": 7,
    "non_returnable_categories": ["ebooks", "audiobooks", "gift cards", "personalized items"],
}


# Four orders covering the interesting scenarios. Sarah Chen has two orders so
# the agent must disambiguate when she says "my order".
ORDERS: dict = {
    "BK-10042": {
        "order_id": "BK-10042",
        "customer_name": "Sarah Chen",
        "email": "sarah.chen@example.com",
        "status": "delivered",
        "order_date": _days_ago(20),
        "delivered_date": _days_ago(15),
        "tracking_number": "1Z999AA10123456784",
        "items": [
            {"title": "The Goldfinch", "author": "Donna Tartt", "price": 16.99, "category": "fiction"},
            {"title": "Sapiens", "author": "Yuval Noah Harari", "price": 19.99, "category": "nonfiction"},
        ],
        "total": 36.98,
    },
    "BK-10089": {
        "order_id": "BK-10089",
        "customer_name": "James Murphy",
        "email": "james.murphy@example.com",
        "status": "shipped",
        "order_date": _days_ago(4),
        "delivered_date": None,
        "tracking_number": "1Z999AA10987654321",
        "items": [
            {"title": "Project Hail Mary", "author": "Andy Weir", "price": 18.99, "category": "fiction"},
        ],
        "total": 18.99,
    },
    "BK-10103": {
        "order_id": "BK-10103",
        "customer_name": "Sarah Chen",
        "email": "sarah.chen@example.com",
        "status": "processing",
        "order_date": _days_ago(1),
        "delivered_date": None,
        "tracking_number": None,
        "items": [
            {"title": "Tomorrow, and Tomorrow, and Tomorrow", "author": "Gabrielle Zevin", "price": 17.99, "category": "fiction"},
        ],
        "total": 17.99,
    },
    "BK-9871": {
        "order_id": "BK-9871",
        "customer_name": "Maria Gonzalez",
        "email": "maria.gonzalez@example.com",
        "status": "delivered",
        "order_date": _days_ago(60),
        "delivered_date": _days_ago(55),
        "tracking_number": "1Z999AA10555555555",
        "items": [
            {"title": "The Midnight Library", "author": "Matt Haig", "price": 15.99, "category": "fiction"},
        ],
        "total": 15.99,
    },
}


# Verbatim FAQ entries returned by `lookup_policy`. The agent quotes these
# without paraphrasing.
POLICIES: dict[str, str] = {
    "shipping": (
        "Standard shipping is free on orders over $25 and takes 3-5 business days. "
        "Expedited shipping (1-2 business days) is $9.99. We ship to all 50 US states. "
        "International shipping is not currently available."
    ),
    "password_reset": (
        "To reset your password, go to bookly.com/account/login and click \"Forgot password.\" "
        "Enter the email on your account and we will send you a reset link. "
        "The link expires after 24 hours. If you do not receive the email, check your spam folder."
    ),
    "returns_overview": (
        "You can return most items within 30 days of delivery for a full refund to your original "
        "payment method. Items must be unread, undamaged, and in their original packaging. "
        "Ebooks, audiobooks, gift cards, and personalized items are not returnable. "
        "Refunds typically post within 7 business days of us receiving the return."
    ),
}


# Mutated at runtime by `initiate_return`. Keyed by return_id.
RETURNS: dict[str, dict] = {}