"""add agents and activity events

Revision ID: a1b2c3d4e5f6
Revises: 9c4f1a2b3d4e
Create Date: 2026-02-03 23:50:00.000000

"""

from __future__ import annotations

from alembic import op
import sqlalchemy as sa
import sqlmodel


# revision identifiers, used by Alembic.
revision = "a1b2c3d4e5f6"
down_revision = "9c4f1a2b3d4e"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        "agents",
        sa.Column("id", sa.Uuid(), nullable=False),
        sa.Column("name", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
        sa.Column("status", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
        sa.Column("last_seen_at", sa.DateTime(), nullable=False),
        sa.Column("created_at", sa.DateTime(), nullable=False),
        sa.Column("updated_at", sa.DateTime(), nullable=False),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index(op.f("ix_agents_name"), "agents", ["name"], unique=False)
    op.create_index(op.f("ix_agents_status"), "agents", ["status"], unique=False)

    op.create_table(
        "activity_events",
        sa.Column("id", sa.Uuid(), nullable=False),
        sa.Column("event_type", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
        sa.Column("message", sqlmodel.sql.sqltypes.AutoString(), nullable=True),
        sa.Column("agent_id", sa.Uuid(), nullable=True),
        sa.Column("task_id", sa.Uuid(), nullable=True),
        sa.Column("created_at", sa.DateTime(), nullable=False),
        sa.ForeignKeyConstraint(["agent_id"], ["agents.id"]),
        sa.ForeignKeyConstraint(["task_id"], ["tasks.id"]),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index(
        op.f("ix_activity_events_agent_id"), "activity_events", ["agent_id"], unique=False
    )
    op.create_index(
        op.f("ix_activity_events_event_type"),
        "activity_events",
        ["event_type"],
        unique=False,
    )
    op.create_index(
        op.f("ix_activity_events_task_id"), "activity_events", ["task_id"], unique=False
    )


def downgrade() -> None:
    op.drop_index(op.f("ix_activity_events_task_id"), table_name="activity_events")
    op.drop_index(op.f("ix_activity_events_event_type"), table_name="activity_events")
    op.drop_index(op.f("ix_activity_events_agent_id"), table_name="activity_events")
    op.drop_table("activity_events")
    op.drop_index(op.f("ix_agents_status"), table_name="agents")
    op.drop_index(op.f("ix_agents_name"), table_name="agents")
    op.drop_table("agents")