"""Add users table (Chapter 12 single-admin auth)."""
from alembic import op
import sqlalchemy as sa

revision = "0006_users"
down_revision = "0005_ip_traffic_stats"
branch_labels = None
depends_on = None


def upgrade():
    op.create_table(
        "users",
        sa.Column("id", sa.Integer, primary_key=True),
        sa.Column("email", sa.String(255), nullable=False),
        sa.Column("password_hash", sa.String(255), nullable=False),
        sa.Column("created_at", sa.DateTime, nullable=False),
    )
    op.create_index("ix_users_email", "users", ["email"], unique=True)


def downgrade():
    op.drop_table("users")