"""新增 ingest_jobs 表

Revision ID: 0019_ingest_jobs
Revises: 0018_match_checks
Create Date: 2026-09-21

采集任务状态跟踪:POST /ingest/bzzoiro 创建 pending job 后台执行,
解决 fire-and-forget 不可观测问题(admin 可查询任务级状态与结果摘要)。
"""

from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects.postgresql import JSONB

# revision identifiers, used by Alembic.
revision: str = '0019_ingest_jobs'
down_revision: Union[str, None] = '0018_match_checks'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        'ingest_jobs',
        sa.Column('id', sa.String(36), primary_key=True),
        sa.Column('task', sa.String(20), nullable=False),
        sa.Column('params', JSONB, nullable=False),
        sa.Column('status', sa.String(20), nullable=False, server_default='pending'),
        sa.Column('result', JSONB),
        sa.Column('error', sa.Text()),
        sa.Column('created_at', sa.DateTime(timezone=True)),
        sa.Column('started_at', sa.DateTime(timezone=True)),
        sa.Column('finished_at', sa.DateTime(timezone=True)),
        sa.CheckConstraint(
            "status IN ('pending','running','success','failed')",
            name='ck_ingest_jobs_status',
        ),
    )
    op.create_index('ix_ingest_jobs_created', 'ingest_jobs', ['created_at'])


def downgrade() -> None:
    op.drop_index('ix_ingest_jobs_created', table_name='ingest_jobs')
    op.drop_table('ingest_jobs')