"""Initial schema with users table

Revision ID: 001
Revises:
Create Date: 2025-01-15 10:00:00.000000

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa

# revision identifiers, used by Alembic.
revision: str = '001'
down_revision: Union[str, None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    # Create users table (SQLite compatible)
    op.create_table(
        'users',
        sa.Column('id', sa.String(length=36), primary_key=True),
        sa.Column('username', sa.String(length=100), nullable=False),
        sa.Column('email', sa.String(length=255), nullable=False),
        sa.Column('hashed_password', sa.String(length=255), nullable=False),
        sa.Column('is_active', sa.Boolean(), nullable=False, server_default='1'),
        sa.Column('is_superuser', sa.Boolean(), nullable=False, server_default='0'),
        sa.Column('created_at', sa.DateTime(), server_default=sa.text("(datetime('now'))"), nullable=False),
        sa.Column('updated_at', sa.DateTime(), server_default=sa.text("(datetime('now'))"), nullable=False),
    )

    # Create indexes
    op.create_index('ix_users_username', 'users', ['username'], unique=True)
    op.create_index('ix_users_email', 'users', ['email'], unique=True)


def downgrade() -> None:
    # Drop indexes
    op.drop_index('ix_users_email', table_name='users')
    op.drop_index('ix_users_username', table_name='users')

    # Drop table
    op.drop_table('users')