"""create events table

Revision ID: e7f3a9b1c5d0
Revises: ab0c56ae4242
Create Date: 2026-07-22 17:30:00.000000

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = 'e7f3a9b1c5d0'
down_revision: Union[str, Sequence[str], None] = 'ab0c56ae4242'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        'events',
        sa.Column('id', sa.String(36), primary_key=True),
        sa.Column('title', sa.String(255), nullable=False),
        sa.Column('level', sa.Enum('A', 'B', 'C', name='eventlevel'), nullable=False),
        sa.Column('domain', sa.String(50), nullable=False, index=True),
        sa.Column(
            'status',
            sa.Enum('active', 'fading', 'dissipating', 'closed', name='eventstatus'),
            nullable=False,
            server_default='active',
        ),
        sa.Column('occurred_date', sa.Date, nullable=False),
        sa.Column('last_reviewed', sa.DateTime, nullable=True),
        sa.Column('no_new_info_count', sa.Integer, nullable=False, server_default='0'),
        sa.Column('next_review', sa.DateTime, nullable=True),
        sa.Column('created_at', sa.DateTime, nullable=False, server_default=sa.func.now()),
        sa.Column('updated_at', sa.DateTime, nullable=False, server_default=sa.func.now()),
    )


def downgrade() -> None:
    op.drop_table('events')
    op.execute('DROP TYPE IF EXISTS eventlevel')
    op.execute('DROP TYPE IF EXISTS eventstatus')