from pydantic import BaseModel
from typing import Optional, List, Dict
from enum import Enum

class ProductCategory(str, Enum):
    FOOD = "food"
    BEVERAGE = "beverage"
    PERSONAL_CARE = "personal_care"
    HOUSEHOLD = "household"
    ELECTRONICS = "electronics"
    CLOTHING = "clothing"
    OTHER = "other"

class EnvironmentalFactors(BaseModel):
    deforestation_risk: float  # 0-10
    pollution_risk: float      # 0-10
    biodiversity_impact: float # 0-10
    
class Product(BaseModel):
    id: Optional[int] = None
    name: str
    category: ProductCategory
    ingredients: List[str] = []
    materials: List[str] = []
    packaging: List[str] = []
    is_organic: bool = False
    is_recyclable: bool = False
    contains_palm_oil: bool = False
    contains_chemicals: bool = False
    water_usage: str = "medium"  # low, medium, high
    carbon_footprint: str = "medium"  # low, medium, high
    
class EcoScoreResult(BaseModel):
    product_name: str
    eco_score: float  # 1-10
    factors: EnvironmentalFactors
    breakdown: Dict[str, float]
    
class AlternativeProduct(BaseModel):
    name: str
    category: str
    eco_score: float
    reason: str