"""Pydantic schemas - 商品参数值"""
from pydantic import BaseModel, Field, ConfigDict
from typing import Optional, List
from datetime import datetime


class ProductParameterValueBase(BaseModel):
    """商品参数值基础字段"""
    model_config = ConfigDict(populate_by_name=True)

    product_id: str = Field(..., description="商品ID", alias="productId")
    parameter_id: str = Field(..., description="参数ID", alias="parameterId")
    param_value: Optional[str] = Field(None, description="参数值", alias="paramValue")


class ProductParameterValueCreate(ProductParameterValueBase):
    """创建商品参数值请求"""
    pass


class ProductParameterValueUpdate(BaseModel):
    """更新商品参数值请求"""
    model_config = ConfigDict(populate_by_name=True)

    param_value: Optional[str] = Field(None, description="参数值", alias="paramValue")


class ProductParameterValueBatchSave(BaseModel):
    """批量保存商品参数值请求"""
    model_config = ConfigDict(populate_by_name=True)

    product_id: str = Field(..., description="商品ID", alias="productId")
    values: List[ProductParameterValueCreate] = Field(..., description="参数值列表")


class ProductParameterValueResponse(BaseModel):
    """商品参数值响应"""
    id: str
    product_id: str
    parameter_id: str
    parameter_name: Optional[str] = None
    parameter_code: Optional[str] = None
    param_type: Optional[str] = None
    param_value: Optional[str] = None
    sort_order: int
    create_at: datetime
    create_by: Optional[str] = None
    create_name: Optional[str] = None
    update_at: Optional[datetime] = None

    class Config:
        from_attributes = True


class ProductParameterValueListResponse(BaseModel):
    """商品参数值列表响应"""
    list: List[ProductParameterValueResponse]
    total: int


class ProductParameterValueWithParameterResponse(BaseModel):
    """带参数信息的商品参数值响应"""
    id: str
    product_id: str
    parameter_id: str
    parameter_name: str
    parameter_code: str
    param_type: str
    options: Optional[str] = None
    placeholder: Optional[str] = None
    param_value: Optional[str] = None
    sort_order: int

    class Config:
        from_attributes = True