# app/modules/loyalty/services/loyalty_features.py
"""
Loyalty feature provider for the billing feature system.

Declares loyalty-related billable features (stamps, points, cards, wallets, etc.)
for feature gating.
"""

from __future__ import annotations

import logging
from typing import TYPE_CHECKING

from app.modules.contracts.features import (
    FeatureDeclaration,
    FeatureScope,
    FeatureType,
    FeatureUsage,
)

if TYPE_CHECKING:
    from sqlalchemy.orm import Session

logger = logging.getLogger(__name__)


class LoyaltyFeatureProvider:
    """Feature provider for the loyalty module.

    Declares:
    - loyalty_stamps: stamp-based loyalty programs
    - loyalty_points: points-based loyalty programs
    - loyalty_hybrid: combined stamps and points
    - loyalty_cards: customer card management
    - loyalty_enrollment: customer enrollment
    - loyalty_staff_pins: staff PIN management
    - loyalty_anti_fraud: cooldown and daily limits
    - loyalty_google_wallet: Google Wallet passes
    - loyalty_apple_wallet: Apple Wallet passes
    - loyalty_stats: dashboard statistics
    - loyalty_reports: transaction reports
    """

    @property
    def feature_category(self) -> str:
        return "loyalty"

    def get_feature_declarations(self) -> list[FeatureDeclaration]:
        return [
            FeatureDeclaration(
                code="loyalty_stamps",
                name_key="loyalty.features.loyalty_stamps.name",
                description_key="loyalty.features.loyalty_stamps.description",
                category="loyalty",
                feature_type=FeatureType.BINARY,
                scope=FeatureScope.MERCHANT,
                ui_icon="stamp",
                display_order=10,
            ),
            FeatureDeclaration(
                code="loyalty_points",
                name_key="loyalty.features.loyalty_points.name",
                description_key="loyalty.features.loyalty_points.description",
                category="loyalty",
                feature_type=FeatureType.BINARY,
                scope=FeatureScope.MERCHANT,
                ui_icon="coins",
                display_order=20,
            ),
            FeatureDeclaration(
                code="loyalty_hybrid",
                name_key="loyalty.features.loyalty_hybrid.name",
                description_key="loyalty.features.loyalty_hybrid.description",
                category="loyalty",
                feature_type=FeatureType.BINARY,
                scope=FeatureScope.MERCHANT,
                ui_icon="layers",
                display_order=30,
            ),
            FeatureDeclaration(
                code="loyalty_cards",
                name_key="loyalty.features.loyalty_cards.name",
                description_key="loyalty.features.loyalty_cards.description",
                category="loyalty",
                feature_type=FeatureType.BINARY,
                scope=FeatureScope.MERCHANT,
                ui_icon="credit-card",
                display_order=40,
            ),
            FeatureDeclaration(
                code="loyalty_enrollment",
                name_key="loyalty.features.loyalty_enrollment.name",
                description_key="loyalty.features.loyalty_enrollment.description",
                category="loyalty",
                feature_type=FeatureType.BINARY,
                scope=FeatureScope.MERCHANT,
                ui_icon="user-plus",
                display_order=50,
            ),
            FeatureDeclaration(
                code="loyalty_staff_pins",
                name_key="loyalty.features.loyalty_staff_pins.name",
                description_key="loyalty.features.loyalty_staff_pins.description",
                category="loyalty",
                feature_type=FeatureType.BINARY,
                scope=FeatureScope.MERCHANT,
                ui_icon="shield",
                display_order=60,
            ),
            FeatureDeclaration(
                code="loyalty_anti_fraud",
                name_key="loyalty.features.loyalty_anti_fraud.name",
                description_key="loyalty.features.loyalty_anti_fraud.description",
                category="loyalty",
                feature_type=FeatureType.BINARY,
                scope=FeatureScope.MERCHANT,
                ui_icon="lock",
                display_order=70,
            ),
            FeatureDeclaration(
                code="loyalty_google_wallet",
                name_key="loyalty.features.loyalty_google_wallet.name",
                description_key="loyalty.features.loyalty_google_wallet.description",
                category="loyalty",
                feature_type=FeatureType.BINARY,
                scope=FeatureScope.MERCHANT,
                ui_icon="smartphone",
                display_order=80,
            ),
            FeatureDeclaration(
                code="loyalty_apple_wallet",
                name_key="loyalty.features.loyalty_apple_wallet.name",
                description_key="loyalty.features.loyalty_apple_wallet.description",
                category="loyalty",
                feature_type=FeatureType.BINARY,
                scope=FeatureScope.MERCHANT,
                ui_icon="smartphone",
                display_order=85,
            ),
            FeatureDeclaration(
                code="loyalty_stats",
                name_key="loyalty.features.loyalty_stats.name",
                description_key="loyalty.features.loyalty_stats.description",
                category="loyalty",
                feature_type=FeatureType.BINARY,
                scope=FeatureScope.MERCHANT,
                ui_icon="bar-chart",
                display_order=90,
            ),
            FeatureDeclaration(
                code="loyalty_reports",
                name_key="loyalty.features.loyalty_reports.name",
                description_key="loyalty.features.loyalty_reports.description",
                category="loyalty",
                feature_type=FeatureType.BINARY,
                scope=FeatureScope.MERCHANT,
                ui_icon="file-text",
                display_order=100,
            ),
        ]

    def get_store_usage(
        self,
        db: Session,
        store_id: int,
    ) -> list[FeatureUsage]:
        return []

    def get_merchant_usage(
        self,
        db: Session,
        merchant_id: int,
        platform_id: int,
    ) -> list[FeatureUsage]:
        return []


# Singleton instance for module registration
loyalty_feature_provider = LoyaltyFeatureProvider()

__all__ = [
    "LoyaltyFeatureProvider",
    "loyalty_feature_provider",
]