"""Revision ID: 016
Revises: 015
"""

from typing import Sequence, Union

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

revision: str = "016"
down_revision: Union[str, None] = "015"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        "agent_commands",
        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
        sa.Column("command_uuid", sa.String(length=36), nullable=False),
        sa.Column("host_id", sa.Integer(), nullable=False),
        sa.Column("event_id", sa.Integer(), nullable=True),
        sa.Column("command_type", sa.String(length=32), nullable=False),
        sa.Column("params", postgresql.JSONB(astext_type=sa.Text()), nullable=True),
        sa.Column("status", sa.String(length=16), nullable=False, server_default="pending"),
        sa.Column("result_stdout", sa.Text(), nullable=True),
        sa.Column("result_stderr", sa.Text(), nullable=True),
        sa.Column("requested_by", sa.String(length=128), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.Column("completed_at", sa.DateTime(timezone=True), nullable=True),
        sa.ForeignKeyConstraint(["event_id"], ["events.id"], ondelete="SET NULL"),
        sa.ForeignKeyConstraint(["host_id"], ["hosts.id"], ondelete="CASCADE"),
        sa.PrimaryKeyConstraint("id"),
        sa.UniqueConstraint("command_uuid"),
    )
    op.create_index("ix_agent_commands_command_uuid", "agent_commands", ["command_uuid"])
    op.create_index("ix_agent_commands_host_id", "agent_commands", ["host_id"])
    op.create_index("ix_agent_commands_status", "agent_commands", ["status"])


def downgrade() -> None:
    op.drop_index("ix_agent_commands_status", table_name="agent_commands")
    op.drop_index("ix_agent_commands_host_id", table_name="agent_commands")
    op.drop_index("ix_agent_commands_command_uuid", table_name="agent_commands")
    op.drop_table("agent_commands")