import re
from datetime import datetime
from typing import List, Optional

from pydantic import BaseModel, ConfigDict, EmailStr, Field, field_validator


class StatsResponse(BaseModel):
    total_products: int
    unique_brands: int
    unique_categories: int
    unique_marketplaces: int = 0
    unique_shops: int = 0
    total_stock_entries: int = 0
    total_inventory_quantity: int = 0


class MarketplaceStatsResponse(BaseModel):
    marketplace: str
    total_products: int
    unique_shops: int
    unique_brands: int