"""add simulation settings

Revision ID: c7e91a4b2d30
Revises: 2a4c9d8e7f10
Create Date: 2026-07-17 18:30:00.000000

"""
from alembic import op
import sqlalchemy as sa


revision = "c7e91a4b2d30"
down_revision = "2a4c9d8e7f10"
branch_labels = None
depends_on = None


def upgrade():
    # Some development databases received this table manually before it was
    # brought under Alembic. Keep the migration safe for both those databases
    # and clean installations.
    if "simulation_settings" in sa.inspect(op.get_bind()).get_table_names():
        return

    op.create_table(
        "simulation_settings",
        sa.Column("key", sa.String(length=255), nullable=False),
        sa.Column("value", sa.Text(), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
        sa.PrimaryKeyConstraint("key"),
    )


def downgrade():
    if "simulation_settings" in sa.inspect(op.get_bind()).get_table_names():
        op.drop_table("simulation_settings")