"""Add user authentication table.

Revision ID: d4e5f6g7h8i9
Revises: c3d4e5f6g7h8
Create Date: 2025-01-16 01:00:00.000000

"""
import sqlalchemy as sa
from alembic import op

# revision identifiers, used by Alembic.
revision = "d4e5f6g7h8i9"
down_revision = "c3d4e5f6g7h8"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        "user",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("username", sa.String(length=64), nullable=False),
        sa.Column("hashed_password", sa.String(length=128), nullable=False),
        sa.Column(
            "role",
            sa.String(length=16),
            nullable=False,
            server_default="viewer",
            comment="Role: 'admin', 'editor', 'operator', 'viewer'.",
        ),
        sa.Column("is_active", sa.Boolean(), nullable=False, server_default=sa.text("1")),
        sa.Column("created_at", sa.DateTime(), nullable=False),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index(op.f("ix_user_id"), "user", ["id"], unique=False)
    op.create_index(op.f("ix_user_username"), "user", ["username"], unique=True)


def downgrade() -> None:
    op.drop_index(op.f("ix_user_username"), table_name="user")
    op.drop_index(op.f("ix_user_id"), table_name="user")
    op.drop_table("user")