"""channel poll status

Revision ID: 0013
Revises: 0012
Create Date: 2026-06-17

"""
from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op

revision: str = "0013"
down_revision: Union[str, None] = "0012"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column("channels", sa.Column("last_poll_status", sa.String(length=32), nullable=True))
    op.add_column("channels", sa.Column("last_poll_error_code", sa.String(length=64), nullable=True))
    op.add_column("channels", sa.Column("last_poll_error", sa.Text(), nullable=True))
    op.add_column("channels", sa.Column("last_poll_error_at", sa.DateTime(timezone=True), nullable=True))
    op.create_index("ix_channels_last_poll_status", "channels", ["last_poll_status"])
    op.create_index("ix_channels_last_poll_error_code", "channels", ["last_poll_error_code"])


def downgrade() -> None:
    op.drop_index("ix_channels_last_poll_error_code", table_name="channels")
    op.drop_index("ix_channels_last_poll_status", table_name="channels")
    op.drop_column("channels", "last_poll_error_at")
    op.drop_column("channels", "last_poll_error")
    op.drop_column("channels", "last_poll_error_code")
    op.drop_column("channels", "last_poll_status")