"""Add index on reset_at and server defaults on timestamps

Revision ID: 016
Revises: 015
Create Date: 2026-02-23

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = "016"
down_revision = "015"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_index("ix_todos_reset_at", "todos", ["reset_at"])
    op.alter_column("todos", "created_at", server_default=sa.func.now())
    op.alter_column("todos", "updated_at", server_default=sa.func.now())


def downgrade() -> None:
    op.alter_column("todos", "updated_at", server_default=None)
    op.alter_column("todos", "created_at", server_default=None)
    op.drop_index("ix_todos_reset_at", table_name="todos")