"""Phase 12.4 — POS Lite schema."""
from alembic import op
import sqlalchemy as sa
from app.core.database import Base
import app.models  # noqa: F401

revision = "0005_phase_124_pos_lite"
down_revision = "0004_phase_123_table_svc"
branch_labels = None
depends_on = None


def upgrade():
    bind = op.get_bind()
    Base.metadata.create_all(bind=bind)


def downgrade():
    bind = op.get_bind()
    for table in (
        "pos_ticket_lines",
        "pos_tickets",
        "pos_shifts",
        "pos_registers",
    ):
        if sa.inspect(bind).has_table(table):
            op.drop_table(table)
