"""董事会路由：CRUD + 决议追踪。"""

from fastapi import APIRouter, Depends, HTTPException, Query, status
from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession

from app.core.database import get_db
from app.core.dependencies import get_current_user
from app.models.board import BoardMeeting
from app.models.company import Company
from app.models.user import User
from app.schemas.common import ApiResponse, success
from app.services.board_agent import generate_meeting_summary, generate_questions

router = APIRouter(prefix="/board", tags=["board"])


@router.get("", response_model=ApiResponse[list])
async def list_board_meetings(
    company_id: str | None = Query(default=None),
    db: AsyncSession = Depends(get_db),
    user: User = Depends(get_current_user),
):
    """获取董事会会议列表。"""
    query = (
        select(BoardMeeting)
        .join(Company, BoardMeeting.company_id == Company.id)
        .where(Company.tenant_id == user.tenant_id)
    )
    if company_id:
        query = query.where(BoardMeeting.company_id == company_id)
    result = await db.execute(query.order_by(BoardMeeting.meeting_at.desc()))
    items = result.scalars().all()
    return success(data=[
        {
            "id": str(i.id),
            "company_id": str(i.company_id),
            "title": i.title,
            "meeting_at": i.meeting_at.isoformat() if i.meeting_at else None,
            "status": i.status,
            "agenda": i.agenda,
            "materials_summary": i.materials_summary,
            "minutes": i.minutes,
            "resolutions": i.resolutions,
            "questions": i.questions,
        }
        for i in items
    ])


@router.post("", response_model=ApiResponse[dict], status_code=status.HTTP_201_CREATED)
async def create_board_meeting(
    req: dict,
    db: AsyncSession = Depends(get_db),
    user: User = Depends(get_current_user),
):
    """创建董事会会议。"""
    company_result = await db.execute(
        select(Company).where(Company.id == req.get("company_id"), Company.tenant_id == user.tenant_id)
    )
    if not company_result.scalar_one_or_none():
        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="企业不存在")

    meeting = BoardMeeting(
        company_id=req.get("company_id"),
        title=req.get("title"),
        meeting_at=req.get("meeting_at"),
        agenda=req.get("agenda"),
    )
    db.add(meeting)
    await db.flush()
    return success(data={"id": str(meeting.id)}, message="创建成功")


@router.post("/{meeting_id}/generate-summary", response_model=ApiResponse[str])
async def generate_meeting_summary_endpoint(
    meeting_id: str,
    req: dict,
    db: AsyncSession = Depends(get_db),
    user: User = Depends(get_current_user),
):
    """AI 生成会前材料摘要。"""
    summary = await generate_meeting_summary(req.get("materials_text", ""))
    return success(data=summary)


@router.post("/{meeting_id}/generate-questions", response_model=ApiResponse[list])
async def generate_questions_endpoint(
    meeting_id: str,
    req: dict,
    db: AsyncSession = Depends(get_db),
    user: User = Depends(get_current_user),
):
    """AI 生成提问清单。"""
    questions = await generate_questions(req.get("materials_text", ""))
    return success(data=questions)