"""耗材 Schema"""

from typing import Optional
from datetime import datetime
from enum import Enum

from pydantic import BaseModel, Field


class MaterialType(str, Enum):
    """耗材类型枚举"""
    
    CONSUMABLE = "consumable"  # 一般耗材
    INJECTABLE = "injectable"  # 针剂
    PRODUCT = "product"  # 产品


class MaterialBase(BaseModel):
    """耗材基础字段"""
    
    material_code: str = Field(..., min_length=1, max_length=50, description="耗材编码")
    material_name: str = Field(..., min_length=1, max_length=100, description="耗材名称")
    unit: str = Field(..., min_length=1, max_length=20, description="单位")
    unit_price: float = Field(..., ge=0, description="单价")
    supplier: Optional[str] = Field(None, max_length=100, description="供应商")
    material_type: MaterialType = Field(..., description="类型")
    is_active: bool = Field(True, description="是否启用")


class MaterialCreate(MaterialBase):
    """创建耗材请求"""
    pass


class MaterialUpdate(BaseModel):
    """更新耗材请求"""
    
    material_code: Optional[str] = Field(None, min_length=1, max_length=50, description="耗材编码")
    material_name: Optional[str] = Field(None, min_length=1, max_length=100, description="耗材名称")
    unit: Optional[str] = Field(None, min_length=1, max_length=20, description="单位")
    unit_price: Optional[float] = Field(None, ge=0, description="单价")
    supplier: Optional[str] = Field(None, max_length=100, description="供应商")
    material_type: Optional[MaterialType] = Field(None, description="类型")
    is_active: Optional[bool] = Field(None, description="是否启用")


class MaterialResponse(MaterialBase):
    """耗材响应"""
    
    id: int
    created_at: datetime
    updated_at: datetime
    
    class Config:
        from_attributes = True


class MaterialImportResult(BaseModel):
    """批量导入结果"""
    
    total: int = Field(..., description="总数")
    success: int = Field(..., description="成功数")
    failed: int = Field(..., description="失败数")
    errors: list[dict] = Field(default_factory=list, description="错误详情")