from typing import Dict, Any, List
from ..client import OzonClient

class FBSService:
    """Service to handle FBS (Fulfillment by Seller) operations."""
    
    def __init__(self, client: OzonClient):
        self.client = client

    def get_unfulfilled_list(self, dir: str = "ASC", filter_params: Dict[str, Any] = None, limit: int = 100, offset: int = 0) -> Dict[str, Any]:
        """
        Get a list of new/unfulfilled FBS orders.
        Endpoint: /v3/posting/fbs/unfulfilled/list
        """
        payload = {
            "dir": dir,
            "filter": filter_params or {},
            "limit": limit,
            "offset": offset,
            "with": {
                "analytics_data": True,
                "barcodes": True,
                "financial_data": True
            }
        }
        return self.client.post("/v3/posting/fbs/unfulfilled/list", data=payload)

    def ship_packages(self, packages: List[Dict[str, Any]]) -> Dict[str, Any]:
        """
        Ship unfulfilled orders.
        Endpoint: /v3/posting/fbs/ship
        """
        return self.client.post("/v3/posting/fbs/ship", data={"packages": packages})