from datetime import datetime
from typing import Optional
from pydantic import BaseModel
from .models import MeetingStatus


class UploadUrlRequest(BaseModel):
    filename: str
    content_type: str = "audio/mp4"
    title: Optional[str] = None
    participants: Optional[str] = None


class UploadUrlResponse(BaseModel):
    meeting_id: int
    upload_url: str
    object_key: str


class UploadCompleteRequest(BaseModel):
    meeting_id: int
    file_size: int


class MeetingRead(BaseModel):
    id: int
    title: str
    participants: Optional[str] = None
    duration: Optional[int] = None
    file_size: Optional[int] = None
    status: MeetingStatus
    chunks_done: int
    chunks_total: int
    error: Optional[str] = None
    created_at: datetime

    class Config:
        from_attributes = True