"""董事会会议模型。

议程、纪要、决议追踪。
"""

import uuid
from datetime import datetime, timezone

from sqlalchemy import DateTime, ForeignKey, String, Text
from sqlalchemy.orm import Mapped, mapped_column

from app.core.database import Base
from app.core.types import JSONBType


class BoardMeeting(Base):
    """董事会会议。"""

    __tablename__ = "board_meetings"

    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
    company_id: Mapped[str] = mapped_column(String(36), ForeignKey("companies.id"), nullable=False, index=True)
    title: Mapped[str] = mapped_column(String(200), nullable=False, comment="会议主题")
    meeting_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True, comment="会议时间")
    status: Mapped[str] = mapped_column(String(20), nullable=False, default="scheduled", comment="scheduled/in_progress/completed")
    agenda: Mapped[dict | None] = mapped_column(JSONBType, nullable=True, comment="议程列表")
    materials_summary: Mapped[str | None] = mapped_column(Text, nullable=True, comment="AI 会前材料摘要")
    minutes: Mapped[str | None] = mapped_column(Text, nullable=True, comment="会议纪要")
    resolutions: Mapped[dict | None] = mapped_column(JSONBType, nullable=True, comment="决议列表 — 含状态追踪")
    questions: Mapped[dict | None] = mapped_column(JSONBType, nullable=True, comment="AI 提问清单")
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), default=lambda: datetime.now(timezone.utc)
    )
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        default=lambda: datetime.now(timezone.utc),
        onupdate=lambda: datetime.now(timezone.utc),
    )