"""Add finance accounts

Revision ID: 002
Revises: 001
Create Date: 2026-03-09
"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa

revision: str = "002"
down_revision: Union[str, None] = "001"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        "finance_accounts",
        sa.Column("id", sa.Integer, primary_key=True),
        sa.Column("name", sa.Text, unique=True, nullable=False),
        sa.Column("account_type", sa.Text, nullable=False),
        sa.Column(
            "created_at",
            sa.DateTime,
            server_default=sa.func.now(),
            nullable=False,
        ),
    )

    op.add_column(
        "finance_transactions",
        sa.Column(
            "account_id",
            sa.Integer,
            sa.ForeignKey("finance_accounts.id", ondelete="SET NULL"),
            nullable=True,
        ),
    )


def downgrade() -> None:
    op.drop_column("finance_transactions", "account_id")
    op.drop_table("finance_accounts")