# app/modules/billing/definition.py
"""
Billing module definition.

Defines the billing module including its features, menu items,
route configurations, and scheduled tasks.
"""

from app.modules.base import MenuItemDefinition, MenuSectionDefinition, ModuleDefinition, ScheduledTask
from app.modules.enums import FrontendType


def _get_admin_router():
    """Lazy import of admin router to avoid circular imports."""
    from app.modules.billing.routes.api.admin import admin_router

    return admin_router


def _get_vendor_router():
    """Lazy import of vendor router to avoid circular imports."""
    from app.modules.billing.routes.api.vendor import vendor_router

    return vendor_router


# Billing module definition
billing_module = ModuleDefinition(
    code="billing",
    name="Billing & Subscriptions",
    description=(
        "Platform subscription management, vendor billing, and invoice history. "
        "Uses the payments module for actual payment processing."
    ),
    version="1.0.0",
    requires=["payments"],  # Depends on payments module for payment processing
    features=[
        "subscription_management",  # Manage subscription tiers
        "billing_history",  # View invoices and payment history
        "invoice_generation",  # Generate and download invoices
        "subscription_analytics",  # Subscription stats and metrics
        "trial_management",  # Manage vendor trial periods
        "limit_overrides",  # Override tier limits per vendor
    ],
    menu_items={
        FrontendType.ADMIN: [
            "subscription-tiers",  # Manage tier definitions
            "subscriptions",  # View/manage vendor subscriptions
            "billing-history",  # View all invoices
        ],
        FrontendType.VENDOR: [
            "billing",  # Vendor billing dashboard
            "invoices",  # Vendor invoice history
        ],
    },
    # New module-driven menu definitions
    menus={
        FrontendType.ADMIN: [
            MenuSectionDefinition(
                id="billing",
                label_key="billing.menu.billing_subscriptions",
                icon="credit-card",
                order=50,
                items=[
                    MenuItemDefinition(
                        id="subscription-tiers",
                        label_key="billing.menu.subscription_tiers",
                        icon="tag",
                        route="/admin/subscription-tiers",
                        order=10,
                    ),
                    MenuItemDefinition(
                        id="subscriptions",
                        label_key="billing.menu.vendor_subscriptions",
                        icon="credit-card",
                        route="/admin/subscriptions",
                        order=20,
                    ),
                    MenuItemDefinition(
                        id="billing-history",
                        label_key="billing.menu.billing_history",
                        icon="document-text",
                        route="/admin/billing-history",
                        order=30,
                    ),
                ],
            ),
        ],
        FrontendType.VENDOR: [
            MenuSectionDefinition(
                id="sales",
                label_key="billing.menu.sales_orders",
                icon="currency-euro",
                order=20,
                items=[
                    MenuItemDefinition(
                        id="invoices",
                        label_key="billing.menu.invoices",
                        icon="currency-euro",
                        route="/vendor/{vendor_code}/invoices",
                        order=30,
                    ),
                ],
            ),
            MenuSectionDefinition(
                id="account",
                label_key="billing.menu.account_settings",
                icon="credit-card",
                order=900,
                items=[
                    MenuItemDefinition(
                        id="billing",
                        label_key="billing.menu.billing",
                        icon="credit-card",
                        route="/vendor/{vendor_code}/billing",
                        order=30,
                    ),
                ],
            ),
        ],
    },
    is_core=False,  # Billing can be disabled (e.g., internal platforms)
    # =========================================================================
    # Self-Contained Module Configuration
    # =========================================================================
    is_self_contained=True,
    services_path="app.modules.billing.services",
    models_path="app.modules.billing.models",
    schemas_path="app.modules.billing.schemas",
    exceptions_path="app.modules.billing.exceptions",
    tasks_path="app.modules.billing.tasks",
    # =========================================================================
    # Scheduled Tasks
    # =========================================================================
    scheduled_tasks=[
        ScheduledTask(
            name="billing.reset_period_counters",
            task="app.modules.billing.tasks.subscription.reset_period_counters",
            schedule="5 0 * * *",  # Daily at 00:05
            options={"queue": "scheduled"},
        ),
        ScheduledTask(
            name="billing.check_trial_expirations",
            task="app.modules.billing.tasks.subscription.check_trial_expirations",
            schedule="0 1 * * *",  # Daily at 01:00
            options={"queue": "scheduled"},
        ),
        ScheduledTask(
            name="billing.sync_stripe_status",
            task="app.modules.billing.tasks.subscription.sync_stripe_status",
            schedule="30 * * * *",  # Hourly at :30
            options={"queue": "scheduled"},
        ),
        ScheduledTask(
            name="billing.cleanup_stale_subscriptions",
            task="app.modules.billing.tasks.subscription.cleanup_stale_subscriptions",
            schedule="0 3 * * 0",  # Weekly on Sunday at 03:00
            options={"queue": "scheduled"},
        ),
    ],
)


def get_billing_module_with_routers() -> ModuleDefinition:
    """
    Get billing module with routers attached.

    This function attaches the routers lazily to avoid circular imports
    during module initialization.
    """
    billing_module.admin_router = _get_admin_router()
    billing_module.vendor_router = _get_vendor_router()
    return billing_module


__all__ = ["billing_module", "get_billing_module_with_routers"]