app/schemas/personalize.py

from pydantic import BaseModel, field_validator


class PersonalizeRequest(BaseModel):
    content: str
    user_id: int

    @field_validator('content')
    @classmethod
    def content_not_empty(cls, v):
        if not v or not v.strip():
            raise ValueError('Content cannot be empty')
        v = v.strip()
        if len(v) > 50000:
            raise ValueError('Content exceeds maximum length of 50000 characters')
        return v

    @field_validator('user_id')
    @classmethod
    def user_id_positive(cls, v):
        if v <= 0:
            raise ValueError('User ID must be a positive integer')
        return v


class PersonalizeResponse(BaseModel):
    personalized_content: str
    adjustments_made: str