"""Create blueprints table

Revision ID: 001
Revises: None
Create Date: 2026-02-20
"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa

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


def upgrade() -> None:
    op.create_table(
        "blueprints",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column("version", sa.Integer(), nullable=False, server_default="1"),
        sa.Column("name", sa.String(255), nullable=False),
        sa.Column("nodes", sa.JSON(), nullable=False, server_default="[]"),
        sa.Column("edges", sa.JSON(), nullable=False, server_default="[]"),
        sa.Column(
            "created_at",
            sa.DateTime(timezone=True),
            nullable=False,
            server_default=sa.func.now(),
        ),
        sa.Column(
            "updated_at",
            sa.DateTime(timezone=True),
            nullable=False,
            server_default=sa.func.now(),
        ),
    )


def downgrade() -> None:
    op.drop_table("blueprints")