"""Add is_premium and premium_until fields to users

Revision ID: 20251210_is_premium
Revises: 20251209_story_translation
Create Date: 2025-12-10

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '20251210_is_premium'
down_revision: Union[str, None] = '20251209_story_translation'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column('users', sa.Column('is_premium', sa.Boolean(), nullable=True, server_default='false'))
    op.add_column('users', sa.Column('premium_until', sa.DateTime(), nullable=True))
    op.execute("UPDATE users SET is_premium = false WHERE is_premium IS NULL")


def downgrade() -> None:
    op.drop_column('users', 'premium_until')
    op.drop_column('users', 'is_premium')