"""subsonic: per-user encrypted app-password

Revision ID: 20260608_subsonic_pw
Revises: 20260608_storage_uri
Create Date: 2026-06-08 12:00:00.000000

Adds ``users.subsonic_password_enc`` — the recoverable, Fernet-encrypted
Subsonic app-password (plan §7). NULL until the user generates one.
"""

from __future__ import annotations

from collections.abc import Sequence

import sqlalchemy as sa
from alembic import op

revision: str = "20260608_subsonic_pw"
down_revision: str | None = "20260608_storage_uri"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    op.add_column(
        "users",
        sa.Column("subsonic_password_enc", sa.String(length=255), nullable=True),
    )


def downgrade() -> None:
    op.drop_column("users", "subsonic_password_enc")