from core.registry import (
    register_dashboard_collector,
    register_feature,
    register_portal_nav,
    register_public_nav,
)


def register() -> None:
    register_feature("shop")
    register_public_nav(section="shop", label="Shop", url_name="shop:list", order=30)
    register_portal_nav(
        section="shop_sales",
        label="Sales",
        url_name="shop_portal:sales",
        group="Retail",
        order=5,
    )
    register_portal_nav(
        section="shop_products",
        label="Products",
        url_name="shop_portal:product_list",
        group="Retail",
        order=10,
    )
    register_portal_nav(
        section="shop_orders",
        label="Orders",
        url_name="shop_portal:order_list",
        group="Retail",
        order=20,
    )
    register_dashboard_collector(_dashboard)


def _dashboard(request) -> dict:
    from django.db.models import Q

    from shop.models import Order, Product
    from shop.stats import sales_summary

    sales = sales_summary()
    return {
        "open_shop_orders": Order.objects.filter(
            status__in=[Order.Status.OPEN, Order.Status.PAID]
        ).count(),
        "low_stock_products": Product.objects.filter(
            is_published=True,
            track_inventory=True,
            fulfillment=Product.Fulfillment.STOCKED,
        )
        .filter(Q(colors__stock_qty__lte=3) | Q(colors__isnull=True, stock_qty__lte=3))
        .distinct()
        .count(),
        "shop_sales_30d": sales["order_count"],
        "shop_revenue_30d": sales["revenue"],
    }