# app/modules/loyalty/services/wallet_service.py
"""
Unified wallet service.

Provides a unified interface for wallet operations across
Google Wallet and Apple Wallet.
"""

import logging

from sqlalchemy.orm import Session

from app.modules.loyalty.models import LoyaltyCard

logger = logging.getLogger(__name__)


class WalletService:
    """Unified service for wallet operations."""

    def get_add_to_wallet_urls(
        self,
        db: Session,
        card: LoyaltyCard,
    ) -> dict[str, str | None]:
        """
        Get URLs for adding card to wallets.

        Args:
            db: Database session
            card: Loyalty card

        Returns:
            Dict with google_wallet_url and apple_wallet_url
        """
        from app.modules.loyalty.services.apple_wallet_service import (
            apple_wallet_service,
        )
        from app.modules.loyalty.services.google_wallet_service import (
            google_wallet_service,
        )

        urls = {
            "google_wallet_url": None,
            "apple_wallet_url": None,
        }

        program = card.program

        # Google Wallet — platform-wide config via env vars
        if google_wallet_service.is_configured or program.google_class_id:
            try:
                urls["google_wallet_url"] = google_wallet_service.get_save_url(db, card)
            except Exception as e:  # noqa: EXC003
                logger.warning(f"Failed to get Google Wallet URL for card {card.id}: {e}")

        # Apple Wallet
        if program.apple_pass_type_id:
            try:
                urls["apple_wallet_url"] = apple_wallet_service.get_pass_url(card)
            except Exception as e:  # noqa: EXC003
                logger.warning(f"Failed to get Apple Wallet URL for card {card.id}: {e}")

        return urls

    def sync_card_to_wallets(self, db: Session, card: LoyaltyCard) -> dict[str, bool]:
        """
        Sync card data to all configured wallets.

        Called after stamp/points operations to update wallet passes.

        Args:
            db: Database session
            card: Loyalty card to sync

        Returns:
            Dict with success status for each wallet
        """
        from app.modules.loyalty.services.apple_wallet_service import (
            apple_wallet_service,
        )
        from app.modules.loyalty.services.google_wallet_service import (
            google_wallet_service,
        )

        results = {
            "google_wallet": False,
            "apple_wallet": False,
        }


        # Sync to Google Wallet
        if card.google_object_id:
            try:
                google_wallet_service.update_object(db, card)
                results["google_wallet"] = True
            except Exception as e:  # noqa: EXC003
                logger.error(f"Failed to sync card {card.id} to Google Wallet: {e}")

        # Sync to Apple Wallet (via push notification)
        if card.apple_serial_number:
            try:
                apple_wallet_service.send_push_updates(db, card)
                results["apple_wallet"] = True
            except Exception as e:  # noqa: EXC003
                logger.error(f"Failed to send Apple Wallet push for card {card.id}: {e}")

        return results

    def create_wallet_objects(self, db: Session, card: LoyaltyCard) -> dict[str, bool]:
        """
        Create wallet objects for a new card.

        Called during enrollment to set up wallet passes.

        Args:
            db: Database session
            card: Newly created loyalty card

        Returns:
            Dict with success status for each wallet
        """
        from app.modules.loyalty.services.google_wallet_service import (
            google_wallet_service,
        )

        results = {
            "google_wallet": False,
            "apple_wallet": False,
        }

        program = card.program

        # Create Google Wallet object — platform-wide config via env vars
        if google_wallet_service.is_configured:
            try:
                google_wallet_service.create_object(db, card)
                results["google_wallet"] = True
            except Exception as e:  # noqa: EXC003
                logger.error(f"Failed to create Google Wallet object for card {card.id}: {e}")

        # Apple Wallet objects are created on-demand when user downloads pass
        # No pre-creation needed, but we set up the serial number
        if program.apple_pass_type_id:
            card.apple_serial_number = f"card_{card.id}_{card.qr_code_data[:8]}"
            db.commit()
            results["apple_wallet"] = True

        return results


# Singleton instance
wallet_service = WalletService()