"""Add owner_id to mail_accounts for row-level permissions.

Revision ID: 0053
Revises: 0052
Create Date: 2026-07-29

This migration adds owner_id to mail_accounts so that the universal
visibility/permission system (apply_visibility_filter, check_single_entity_access)
can be used for mail accounts.
"""

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects.postgresql import UUID

revision = "0053"
down_revision = "0052"
branch_labels = None
depends_on = None


def upgrade():
    op.add_column(
        "mail_accounts",
        sa.Column(
            "owner_id",
            UUID(as_uuid=True),
            sa.ForeignKey("users.id", ondelete="SET NULL"),
            nullable=True,
        ),
    )
    op.create_index(
        "ix_mail_accounts_owner",
        "mail_accounts",
        ["owner_id"],
    )


def downgrade():
    op.drop_index("ix_mail_accounts_owner", table_name="mail_accounts")
    op.drop_column("mail_accounts", "owner_id")