"""users and audit_logs

Revision ID: 001
Revises:
Create Date: 2025-02-05

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql

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:
    op.create_table(
        "users",
        sa.Column("id", postgresql.UUID(as_uuid=True), nullable=False),
        sa.Column("username", sa.String(64), nullable=False),
        sa.Column("password_hash", sa.String(256), nullable=False),
        sa.Column("role", sa.String(32), nullable=False, server_default="admin"),
        sa.Column("is_active", sa.Boolean(), nullable=False, server_default="true"),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=True),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index(op.f("ix_users_username"), "users", ["username"], unique=True)

    op.create_table(
        "audit_logs",
        sa.Column("id", postgresql.UUID(as_uuid=True), nullable=False),
        sa.Column("actor_user_id", postgresql.UUID(as_uuid=True), nullable=True),
        sa.Column("action", sa.String(128), nullable=False),
        sa.Column("meta_json", postgresql.JSONB(astext_type=sa.Text()), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=True),
        sa.ForeignKeyConstraint(["actor_user_id"], ["users.id"], ondelete="SET NULL"),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index(op.f("ix_audit_logs_actor_user_id"), "audit_logs", ["actor_user_id"], unique=False)
    op.create_index(op.f("ix_audit_logs_action"), "audit_logs", ["action"], unique=False)


def downgrade() -> None:
    op.drop_index(op.f("ix_audit_logs_action"), table_name="audit_logs")
    op.drop_index(op.f("ix_audit_logs_actor_user_id"), table_name="audit_logs")
    op.drop_table("audit_logs")
    op.drop_index(op.f("ix_users_username"), table_name="users")
    op.drop_table("users")