"""create audit_events table

Revision ID: 20260316_10
Revises: 20260316_09
Create Date: 2026-03-16 17:00:00
"""

from alembic import op
import sqlalchemy as sa


revision = "20260316_10"
down_revision = "20260316_09"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        "audit_events",
        sa.Column("id", sa.BigInteger(), primary_key=True, autoincrement=True),
        sa.Column("audit_event_id", sa.String(length=32), nullable=False),
        sa.Column("scheme_id", sa.String(length=32), nullable=False),
        sa.Column("event_type", sa.String(length=64), nullable=False),
        sa.Column("object_type", sa.String(length=64), nullable=False),
        sa.Column("object_ref", sa.String(length=255), nullable=True),
        sa.Column("details_json", sa.Text(), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
        sa.ForeignKeyConstraint(["scheme_id"], ["schemes.scheme_id"], ondelete="RESTRICT"),
    )
    op.create_index("ix_audit_events_audit_event_id", "audit_events", ["audit_event_id"], unique=True)
    op.create_index("ix_audit_events_scheme_id", "audit_events", ["scheme_id"], unique=False)


def downgrade() -> None:
    op.drop_index("ix_audit_events_scheme_id", table_name="audit_events")
    op.drop_index("ix_audit_events_audit_event_id", table_name="audit_events")
    op.drop_table("audit_events")