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


class ProductParameterBase(BaseModel):
    """商品参数基础字段"""
    model_config = ConfigDict(populate_by_name=True)

    name: str = Field(..., max_length=100, description="参数名称", alias="name")
    code: str = Field(..., max_length=50, description="参数编码", alias="code")
    param_type: str = Field(default="text", description="参数类型：text-文本输入, select-单选下拉, multi_select-多选", alias="paramType")
    options: Optional[str] = Field(None, description="可选值列表，JSON数组格式", alias="options")
    placeholder: Optional[str] = Field(None, max_length=100, description="输入提示文字", alias="placeholder")
    is_required: int = Field(default=0, description="是否必填：0-否, 1-是", alias="isRequired")
    is_active: int = Field(default=1, description="是否启用：0-禁用, 1-启用", alias="isActive")
    sort_order: int = Field(default=0, description="排序", alias="sortOrder")
    remark: Optional[str] = Field(None, max_length=500, description="备注说明", alias="remark")


class ProductParameterCreate(ProductParameterBase):
    """创建商品参数请求"""
    pass


class ProductParameterUpdate(BaseModel):
    """更新商品参数请求"""
    model_config = ConfigDict(populate_by_name=True)

    name: Optional[str] = Field(None, max_length=100, description="参数名称", alias="name")
    code: Optional[str] = Field(None, max_length=50, description="参数编码", alias="code")
    param_type: Optional[str] = Field(None, description="参数类型", alias="paramType")
    options: Optional[str] = Field(None, description="可选值列表", alias="options")
    placeholder: Optional[str] = Field(None, max_length=100, description="输入提示文字", alias="placeholder")
    is_required: Optional[int] = Field(None, description="是否必填", alias="isRequired")
    is_active: Optional[int] = Field(None, description="是否启用", alias="isActive")
    sort_order: Optional[int] = Field(None, description="排序", alias="sortOrder")
    remark: Optional[str] = Field(None, max_length=500, description="备注说明", alias="remark")


class ProductParameterResponse(ProductParameterBase):
    """商品参数响应"""
    id: str
    create_at: datetime
    create_by: Optional[str] = None
    create_name: Optional[str] = None
    update_at: Optional[datetime] = None

    class Config:
        from_attributes = True


class ProductParameterListResponse(BaseModel):
    """商品参数列表响应"""
    list: List[ProductParameterResponse]
    total: int
    page: int
    pageSize: int


class ProductParameterSimpleResponse(BaseModel):
    """商品参数简洁响应（用于下拉选择）"""
    id: str
    name: str
    code: str
    param_type: str
    options: Optional[str] = None

    class Config:
        from_attributes = True