"""Home Assistant: the connection and the updates Steward was asked to install

Revision ID: homeassistant_001_connection
Revises: (none — a branch off core via depends_on)
Create Date: 2026-10-31
"""
from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op

revision: str = "homeassistant_001_connection"
down_revision: Union[str, None] = None
branch_labels: Union[str, Sequence[str], None] = "homeassistant"
depends_on: Union[str, Sequence[str], None] = ("0004_app_settings",)


def upgrade() -> None:
    op.create_table(
        "homeassistant_connection",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column("url", sa.String(500), nullable=False),
        sa.Column("token", sa.Text, nullable=False),
        sa.Column("webhook_id", sa.Text, nullable=False),
        sa.Column("verify_tls", sa.Boolean, nullable=False, server_default=sa.true()),
        sa.Column("refused", sa.Boolean, nullable=False, server_default=sa.false()),
        sa.Column("last_polled_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("last_ok_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("last_error", sa.Text, nullable=True),
        sa.Column("updates", sa.JSON, nullable=False, server_default="[]"),
        sa.Column("backup", sa.JSON, nullable=False, server_default="{}"),
        sa.Column("automation", sa.String(20), nullable=True),
    )
    op.create_table(
        "homeassistant_updates",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column("entity_id", sa.String(255), nullable=False),
        sa.Column("title", sa.String(255), nullable=False),
        sa.Column("kind", sa.String(10), nullable=False),
        sa.Column("from_version", sa.String(100), nullable=True),
        sa.Column("to_version", sa.String(100), nullable=True),
        sa.Column("state", sa.String(20), nullable=False, server_default="backing_up"),
        sa.Column("message", sa.Text, nullable=True),
        sa.Column("started_by", sa.String(100), nullable=False, server_default=""),
        sa.Column("started_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("backup_before", sa.String(64), nullable=True),
        sa.Column("backup_event_before", sa.String(64), nullable=True),
        sa.Column("triggered_before", sa.String(64), nullable=True),
        sa.Column("backup_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("install_sent_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("finished_at", sa.DateTime(timezone=True), nullable=True),
    )
    op.execute("CREATE UNIQUE INDEX uq_homeassistant_update_under_way ON homeassistant_updates ((true)) "
               "WHERE state IN ('backing_up', 'installing')")


def downgrade() -> None:
    op.drop_table("homeassistant_updates")
    op.drop_table("homeassistant_connection")