from pydantic import BaseModel, Field

class MessageBase(BaseModel):
    message: str = Field(default="yooo", min_length=1)

class MessageCreate(MessageBase):
    class Config:
        schema_extra = {
            "example": {
                "message": "Hello, world!"
            }
        }

class Message(MessageBase):
    class Config:
        orm_mode = True
        schema_extra = {
            "example": {
                "message": "Hello, world!"
            }
        }