orion/app/api/v1/vendor/payments.py

# Payment configuration and processing
# app/api/v1/vendor/payments.py
"""
Vendor payment configuration and processing endpoints.

Vendor Context: Uses token_vendor_id from JWT token (authenticated vendor API pattern)
"""

import logging

from fastapi import APIRouter, Depends
from sqlalchemy.orm import Session

from app.api.deps import get_current_vendor_api
from app.core.database import get_db
from app.exceptions import InvalidTokenException
from app.services.vendor_service import vendor_service
from models.database.user import User

router = APIRouter(prefix="/payments")
logger = logging.getLogger(__name__)


def _get_vendor_from_token(current_user: User, db: Session):
    """Helper to get vendor from JWT token."""
    if not hasattr(current_user, "token_vendor_id"):
        raise InvalidTokenException("Token missing vendor information. Please login again.")
    return vendor_service.get_vendor_by_id(db, current_user.token_vendor_id)


@router.get("/config")
def get_payment_configuration(
    current_user: User = Depends(get_current_vendor_api),
    db: Session = Depends(get_db),
):
    """
    Get vendor payment configuration.

    TODO: Implement in Slice 5
    - Get payment gateway settings (Stripe, PayPal, etc.)
    - Get accepted payment methods
    - Get currency settings
    - Return masked/secure information only
    """
    vendor = _get_vendor_from_token(current_user, db)  # noqa: F841 - vendor will be used when implemented
    return {
        "payment_gateway": None,
        "accepted_methods": [],
        "currency": "EUR",
        "stripe_connected": False,
        "message": "Payment configuration coming in Slice 5",
    }


@router.put("/config")
def update_payment_configuration(
    payment_config: dict,
    current_user: User = Depends(get_current_vendor_api),
    db: Session = Depends(get_db),
):
    """
    Update vendor payment configuration.

    TODO: Implement in Slice 5
    - Update payment gateway settings
    - Connect/disconnect Stripe account
    - Update accepted payment methods
    - Validate configuration before saving
    """
    vendor = _get_vendor_from_token(current_user, db)  # noqa: F841 - vendor will be used when implemented
    return {"message": "Payment configuration update coming in Slice 5"}


@router.post("/stripe/connect")
def connect_stripe_account(
    stripe_data: dict,
    current_user: User = Depends(get_current_vendor_api),
    db: Session = Depends(get_db),
):
    """
    Connect Stripe account for payment processing.

    TODO: Implement in Slice 5
    - Handle Stripe OAuth flow
    - Store Stripe account ID securely
    - Verify Stripe account is active
    - Enable payment processing
    """
    vendor = _get_vendor_from_token(current_user, db)  # noqa: F841 - vendor will be used when implemented
    return {"message": "Stripe connection coming in Slice 5"}


@router.delete("/stripe/disconnect")
def disconnect_stripe_account(
    current_user: User = Depends(get_current_vendor_api),
    db: Session = Depends(get_db),
):
    """
    Disconnect Stripe account.

    TODO: Implement in Slice 5
    - Remove Stripe account connection
    - Disable payment processing
    - Warn about pending payments
    """
    vendor = _get_vendor_from_token(current_user, db)  # noqa: F841 - vendor will be used when implemented
    return {"message": "Stripe disconnection coming in Slice 5"}


@router.get("/methods")
def get_payment_methods(
    current_user: User = Depends(get_current_vendor_api),
    db: Session = Depends(get_db),
):
    """
    Get accepted payment methods for vendor.

    TODO: Implement in Slice 5
    - Return list of enabled payment methods
    - Include: credit card, PayPal, bank transfer, etc.
    """
    vendor = _get_vendor_from_token(current_user, db)  # noqa: F841 - vendor will be used when implemented
    return {"methods": [], "message": "Payment methods coming in Slice 5"}


@router.get("/transactions")
def get_payment_transactions(
    current_user: User = Depends(get_current_vendor_api),
    db: Session = Depends(get_db),
):
    """
    Get payment transaction history.

    TODO: Implement in Slice 5
    - Get all payment transactions for vendor
    - Filter by date range, status, etc.
    - Include payment details
    - Support pagination
    """
    vendor = _get_vendor_from_token(current_user, db)  # noqa: F841 - vendor will be used when implemented
    return {
        "transactions": [],
        "total": 0,
        "message": "Payment transactions coming in Slice 5",
    }


@router.get("/balance")
def get_payment_balance(
    current_user: User = Depends(get_current_vendor_api),
    db: Session = Depends(get_db),
):
    """
    Get vendor payment balance and payout information.

    TODO: Implement in Slice 5
    - Get available balance
    - Get pending balance
    - Get next payout date
    - Get payout history
    """
    vendor = _get_vendor_from_token(current_user, db)  # noqa: F841 - vendor will be used when implemented
    return {
        "available_balance": 0.0,
        "pending_balance": 0.0,
        "currency": "EUR",
        "next_payout_date": None,
        "message": "Payment balance coming in Slice 5",
    }


@router.post("/refund/{payment_id}")
def refund_payment(
    payment_id: int,
    refund_data: dict,
    current_user: User = Depends(get_current_vendor_api),
    db: Session = Depends(get_db),
):
    """
    Process payment refund.

    TODO: Implement in Slice 5
    - Verify payment belongs to vendor
    - Process refund through payment gateway
    - Update order status
    - Send refund notification to customer
    """
    vendor = _get_vendor_from_token(current_user, db)  # noqa: F841 - vendor will be used when implemented
    return {"message": "Payment refund coming in Slice 5"}