from pydantic import BaseModel, Field
from dataclasses import dataclass
from typing import List, Optional

@dataclass
class Presentation(BaseModel):
    title: str = Field(
        description="The main title of the slide. Should be concise and descriptive."
    )
    text: str = Field(
        description="The narrative content of the slide, containing key information."
    )
    bulletPoints: Optional[List[str]] = Field(
        description="A list of bullet points summarizing key information. Ideally, limit to 3-5 points."
    )

@dataclass
class PPT(BaseModel):
    per: list[Presentation] = Field(
        description="A list of `Presentation` objects representing PowerPoint slides."
    )