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


class MeetingBase(BaseModel):
    title: str = Field(..., max_length=255)
    tags: Optional[str] = None
    meeting_time: Optional[datetime] = None
    status: str = "draft"


class MeetingCreate(MeetingBase):
    pass


class MeetingUpdate(BaseModel):
    title: Optional[str] = None
    tags: Optional[str] = None
    status: Optional[str] = None
    summary: Optional[str] = None


class AttendeeOut(BaseModel):
    attendee_id: int
    user_id: Optional[int]
    display_name: Optional[str] = None
    avatar: Optional[str] = None

    class Config:
        from_attributes = True


class MeetingOut(MeetingBase):
    meeting_id: int
    user_id: Optional[int]
    creator_name: Optional[str] = None
    creator_avatar: Optional[str] = None
    summary: Optional[str] = None
    created_at: datetime
    updated_at: datetime
    attendees: List[AttendeeOut] = []

    class Config:
        from_attributes = True


class TranscriptSegmentOut(BaseModel):
    segment_id: int
    speaker_id: Optional[int]
    speaker_tag: Optional[str]
    start_time_ms: int
    end_time_ms: int
    text_content: str

    class Config:
        from_attributes = True


class MeetingDetailOut(MeetingOut):
    segments: List[TranscriptSegmentOut] = []
    # Add other details like audio list if needed


class MeetingListOut(BaseModel):
    items: List[MeetingOut]
    total: int