"""printer lifecycle fields and printer_logs table

Revision ID: 0003
Revises: 0002
Create Date: 2026-06-18

"""
from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op

revision: str = "0003"
down_revision: Union[str, None] = "0002"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column("printers", sa.Column("bought_at", sa.Date(), nullable=True))
    op.add_column("printers", sa.Column("last_maintenance_at", sa.Date(), nullable=True))
    op.add_column("printers", sa.Column("decommissioned_at", sa.Date(), nullable=True))

    op.create_table(
        "printer_logs",
        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
        sa.Column("printer_id", sa.Integer(), nullable=False),
        sa.Column("message", sa.Text(), nullable=False),
        sa.Column("created_at", sa.DateTime(), nullable=False, server_default=sa.text("CURRENT_TIMESTAMP")),
        sa.ForeignKeyConstraint(["printer_id"], ["printers.id"], name="fk_log_printer", ondelete="CASCADE"),
        sa.PrimaryKeyConstraint("id"),
    )


def downgrade() -> None:
    op.drop_table("printer_logs")
    op.drop_column("printers", "decommissioned_at")
    op.drop_column("printers", "last_maintenance_at")
    op.drop_column("printers", "bought_at")