from pydantic import BaseModel, Field


class CreateCategoryRequest(BaseModel):
    category_name: str
    category_code: str
    sort_no: int = 0
    status: int = 1
    remark: str | None = None


class UpdateCategoryRequest(BaseModel):
    category_name: str
    category_code: str
    sort_no: int = 0
    status: int = 1
    remark: str | None = None


class ProductSpecificationPayload(BaseModel):
    specification: str
    unit: str
    category_id: int | None = None
    cost_price: float = 0
    sale_price: float = 0
    status: int = 1
    remark: str | None = None
    is_default: bool = False


class CreateProductRequest(BaseModel):
    product_name: str
    category_id: int | None = None
    status: int = 1
    remark: str | None = None
    specifications: list[ProductSpecificationPayload] = Field(default_factory=list)


class UpdateProductRequest(BaseModel):
    product_name: str
    category_id: int | None = None
    status: int = 1
    remark: str | None = None


class UpdateProductSpecificationRequest(BaseModel):
    specification: str
    unit: str
    category_id: int | None = None
    cost_price: float = 0
    sale_price: float = 0
    status: int = 1
    remark: str | None = None
    is_default: bool = False


class UpdateProductCategoryRequest(BaseModel):
    category_name: str
    category_code: str
    sort_no: int = 0
    status: int = 1
    remark: str | None = None