"""Docker plugin initial tables

Revision ID: docker_001_initial
Revises: (none — branch off core via depends_on)
Create Date: 2026-03-22
"""
from typing import Sequence, Union
from alembic import op
import sqlalchemy as sa

revision: str = "docker_001_initial"
down_revision: Union[str, None] = None
branch_labels: Union[str, Sequence[str], None] = "docker"
depends_on: Union[str, Sequence[str], None] = ("0004_app_settings",)


def upgrade() -> None:
    op.create_table(
        "docker_containers",
        sa.Column("name", sa.String(255), primary_key=True),
        sa.Column("container_id", sa.String(64), nullable=False, server_default=""),
        sa.Column("image", sa.String(512), nullable=False, server_default=""),
        sa.Column("status", sa.String(32), nullable=False, server_default="unknown"),
        sa.Column("cpu_pct", sa.Float, nullable=True),
        sa.Column("mem_usage_bytes", sa.Integer, nullable=True),
        sa.Column("mem_limit_bytes", sa.Integer, nullable=True),
        sa.Column("mem_pct", sa.Float, nullable=True),
        sa.Column("restart_count", sa.Integer, nullable=False, server_default="0"),
        sa.Column("ports_json", sa.Text, nullable=False, server_default="[]"),
        sa.Column("started_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("scraped_at", sa.DateTime(timezone=True), nullable=False),
    )

    op.create_table(
        "docker_metrics",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column("container_name", sa.String(255), nullable=False, index=True),
        sa.Column("scraped_at", sa.DateTime(timezone=True), nullable=False, index=True),
        sa.Column("cpu_pct", sa.Float, nullable=False, server_default="0"),
        sa.Column("mem_pct", sa.Float, nullable=False, server_default="0"),
        sa.Column("mem_usage_bytes", sa.Integer, nullable=False, server_default="0"),
    )


def downgrade() -> None:
    op.drop_table("docker_metrics")
    op.drop_table("docker_containers")