from datetime import date
from enum import Enum

from pydantic import BaseModel


class TimePeriod(str, Enum):
    TODAY = "today"
    YESTERDAY = "yesterday"
    LAST_7_DAYS = "last_7_days"
    LAST_30_DAYS = "last_30_days"
    THIS_MONTH = "this_month"
    LAST_MONTH = "last_month"
    THIS_YEAR = "this_year"
    ALL_TIME = "all_time"

class SalesSummary(BaseModel):
    period: TimePeriod
    total_sales: float
    total_orders: int
    average_order_value: float
    refunded_amount: float

class DateSales(BaseModel):
    date: date
    total_sales: float
    order_count: int

class SalesOverTime(BaseModel):
    period: TimePeriod
    data: list[DateSales]
    total_sales: float
    total_orders: int

class CategorySales(BaseModel):
    category_id: str
    category_name: str
    total_sales: float
    percentage: float

class TopCategorySales(BaseModel):
    period: TimePeriod
    categories: list[CategorySales]
    total_sales: float

class ProductSales(BaseModel):
    product_id: str
    product_name: str
    quantity_sold: int
    total_sales: float

class TopProductSales(BaseModel):
    period: TimePeriod
    products: list[ProductSales]
    total_sales: float

class CustomerSales(BaseModel):
    user_id: str
    user_name: str
    order_count: int
    total_spent: float

class TopCustomerSales(BaseModel):
    period: TimePeriod
    customers: list[CustomerSales]
    total_sales: float

class DashboardSummary(BaseModel):
    sales_summary: SalesSummary
    pending_orders: int
    low_stock_products: int
    new_customers: int
    total_products: int
    total_customers: int

class OrdersPerStatus(BaseModel):
    status: str
    count: int
    percentage: float