"""
Dashboard Background Tasks

업로드 완료 시 Dashboard 테이블에 레코드를 삽입하는 백그라운드 태스크입니다.
"""

import logging

from sqlalchemy import select
from sqlalchemy.dialects.mysql import insert

from app.dashboard.models import Dashboard
from app.database.session import BackgroundSessionLocal
from app.social.models import SocialUpload
from app.user.models import SocialAccount

logger = logging.getLogger(__name__)


async def insert_dashboard(upload_id: int) -> None:
    """
    Dashboard 레코드 삽입

    SocialUpload(id=upload_id) 완료 데이터를 DB에서 조회하여 Dashboard에 삽입합니다.
    UniqueConstraint(platform_video_id, platform_user_id) 충돌 시 스킵(INSERT IGNORE).
    """
    try:
        async with BackgroundSessionLocal() as session:
            result = await session.execute(
                select(
                    SocialUpload.user_uuid,
                    SocialUpload.platform,
                    SocialUpload.platform_video_id,
                    SocialUpload.platform_url,
                    SocialUpload.title,
                    SocialUpload.uploaded_at,
                    SocialAccount.platform_user_id,
                )
                .join(SocialAccount, SocialUpload.social_account_id == SocialAccount.id)
                .where(SocialUpload.id == upload_id)
            )
            row = result.one_or_none()

            if not row:
                logger.warning(f"[dashboard] upload_id={upload_id} 데이터 없음")
                return

            stmt = (
                insert(Dashboard)
                .values(
                    user_uuid=row.user_uuid,
                    platform=row.platform,
                    platform_user_id=row.platform_user_id,
                    platform_video_id=row.platform_video_id,
                    platform_url=row.platform_url,
                    title=row.title,
                    uploaded_at=row.uploaded_at,
                )
                .prefix_with("IGNORE")
            )
            await session.execute(stmt)
            await session.commit()

        logger.info(
            f"[dashboard] 삽입 완료 - "
            f"upload_id={upload_id}, platform_video_id={row.platform_video_id}"
        )
    except Exception as e:
        logger.error(
            f"[dashboard] 삽입 실패 - upload_id={upload_id}, error={e}"
        )