from pydantic import BaseModel, ConfigDict
from typing import Optional, List
from datetime import datetime

# Base schema with common attributes
class FileBase(BaseModel):
    name: str
    type: str
    path: str

# Schema for creating a new file
class FileCreate(FileBase):
    pass

# Schema for updating a file
class FileUpdate(BaseModel):
    name: Optional[str] = None
    type: Optional[str] = None
    path: Optional[str] = None

# Schema for reading a file
class File(FileBase):
    id: int
    created_at: datetime
    updated_at: datetime

    model_config = ConfigDict(from_attributes=True)

# Schema for deleting a file
class FileDelete(BaseModel):
    id: int

# Schema for listing files
class FileList(BaseModel):
    files: List[File]
    total: int
    page: int
    limit: int