"""file folders

Revision ID: 4e5f6a7b8c9d
Revises: 3d4e5f6a7b8c
Create Date: 2026-06-12 00:30:00.000000
"""
from __future__ import annotations

from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa

revision: str = "4e5f6a7b8c9d"
down_revision: Union[str, None] = "3d4e5f6a7b8c"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        "file_folders",
        sa.Column("id", sa.String(length=36), nullable=False),
        sa.Column("tenant_id", sa.String(length=36), nullable=False),
        sa.Column("owner_type", sa.String(length=20), nullable=False),
        sa.Column("owner_user_id", sa.String(length=36), nullable=True),
        sa.Column("owner_group_id", sa.String(length=36), nullable=True),
        sa.Column("path", sa.String(length=1000), nullable=False),
        sa.Column("created_by_user_id", sa.String(length=36), nullable=True),
        sa.Column("deleted_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("metadata", sa.JSON(), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
        sa.ForeignKeyConstraint(["created_by_user_id"], ["users.id"], ondelete="SET NULL"),
        sa.ForeignKeyConstraint(["owner_group_id"], ["groups.id"], ondelete="SET NULL"),
        sa.ForeignKeyConstraint(["owner_user_id"], ["users.id"], ondelete="SET NULL"),
        sa.ForeignKeyConstraint(["tenant_id"], ["tenants.id"], ondelete="CASCADE"),
        sa.PrimaryKeyConstraint("id"),
    )
    for col in ["tenant_id", "owner_type", "owner_user_id", "owner_group_id", "path", "created_by_user_id", "deleted_at"]:
        op.create_index(op.f(f"ix_file_folders_{col}"), "file_folders", [col])


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