"""add_display_name_to_user

Revision ID: 8be4811023d8
Revises: 0df481ee920b
Create Date: 2025-07-19 19:46:01.129412

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa
import sqlmodel


# revision identifiers, used by Alembic.
revision: str = '8be4811023d8'
down_revision: Union[str, Sequence[str], None] = '0df481ee920b'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_constraint(op.f('dbsession_user_id_fkey'), 'dbsession', type_='foreignkey')
    op.create_foreign_key(None, 'dbsession', 'user', ['user_id'], ['username'])
    op.alter_column('publicstream', 'storage_bytes',
               existing_type=sa.INTEGER(),
               nullable=False,
               existing_server_default=sa.text('0'))
    op.create_index(op.f('ix_publicstream_username'), 'publicstream', ['username'], unique=False)
    op.drop_column('publicstream', 'size')
    op.add_column('user', sa.Column('display_name', sqlmodel.sql.sqltypes.AutoString(), nullable=True))
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_column('user', 'display_name')
    op.add_column('publicstream', sa.Column('size', sa.INTEGER(), autoincrement=False, nullable=False))
    op.drop_index(op.f('ix_publicstream_username'), table_name='publicstream')
    op.alter_column('publicstream', 'storage_bytes',
               existing_type=sa.INTEGER(),
               nullable=True,
               existing_server_default=sa.text('0'))
    op.drop_constraint(None, 'dbsession', type_='foreignkey')
    op.create_foreign_key(op.f('dbsession_user_id_fkey'), 'dbsession', 'user', ['user_id'], ['username'], ondelete='CASCADE')
    # ### end Alembic commands ###