"""add passkey auth

Revision ID: b4c7d8e9f0a1
Revises: a1b2c3d4e5f6
Create Date: 2025-07-15 10:00:00.000000

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa
import sqlmodel


# revision identifiers, used by Alembic.
revision: str = 'b4c7d8e9f0a1'
down_revision: Union[str, None] = 'a1b2c3d4e5f6'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema."""
    # Make user.password nullable
    op.alter_column('user', 'password',
                    existing_type=sqlmodel.sql.sqltypes.AutoString(),
                    nullable=True)

    # Add created_at to user table
    op.add_column('user',
                  sa.Column('created_at', sa.DateTime(),
                            nullable=True,
                            server_default=sa.func.now()))

    # Create passkeycredential table
    op.create_table('passkeycredential',
        sa.Column('id', sa.Integer(), nullable=False),
        sa.Column('credential_id', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
        sa.Column('public_key', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
        sa.Column('sign_count', sa.Integer(), nullable=False),
        sa.Column('transports', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
        sa.Column('user_id', sa.Integer(), nullable=False),
        sa.Column('created_at', sa.DateTime(), nullable=True,
                  server_default=sa.func.now()),
        sa.ForeignKeyConstraint(['user_id'], ['user.id']),
        sa.PrimaryKeyConstraint('id'),
    )
    op.create_index(op.f('ix_passkeycredential_credential_id'),
                    'passkeycredential', ['credential_id'], unique=True)
    op.create_index(op.f('ix_passkeycredential_user_id'),
                    'passkeycredential', ['user_id'], unique=False)


def downgrade() -> None:
    """Downgrade schema."""
    op.drop_index(op.f('ix_passkeycredential_user_id'),
                  table_name='passkeycredential')
    op.drop_index(op.f('ix_passkeycredential_credential_id'),
                  table_name='passkeycredential')
    op.drop_table('passkeycredential')

    op.drop_column('user', 'created_at')

    op.alter_column('user', 'password',
                    existing_type=sqlmodel.sql.sqltypes.AutoString(),
                    nullable=False)