"""cadastro de imposto

Revision ID: 68cf68a02834
Revises: 9774f406af3f
Create Date: 2026-09-17 23:30:00.000000

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '68cf68a02834'
down_revision: Union[str, None] = '9774f406af3f'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        'imposto',
        sa.Column('id', sa.Integer(), nullable=False),
        sa.Column('codigo', sa.String(length=20), nullable=False),
        sa.Column('nome', sa.String(length=100), nullable=False),
        sa.Column('grupo', sa.String(length=20), nullable=False),
        sa.Column('aliquota_pct', sa.Numeric(precision=6, scale=4), nullable=False),
        sa.CheckConstraint("grupo in ('federal_cbs', 'icms_ibs', 'ir_csll')", name='ck_imposto_grupo'),
        sa.PrimaryKeyConstraint('id'),
        sa.UniqueConstraint('codigo'),
    )


def downgrade() -> None:
    op.drop_table('imposto')