"""Add brands table for inventory brand master.

Revision ID: 012_brands
Revises: 011_item_form_fields
Create Date: 2026-08-05

"""

from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op

revision: str = "012_brands"
down_revision: Union[str, None] = "011_item_form_fields"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        "brands",
        sa.Column("id", sa.String(length=36), nullable=False),
        sa.Column("company_id", sa.String(length=36), nullable=False),
        sa.Column("code", sa.String(length=30), nullable=False),
        sa.Column("name", sa.String(length=200), nullable=False),
        sa.Column("description", sa.String(length=255), nullable=True),
        sa.Column("logo", sa.String(length=500), nullable=True),
        sa.Column("website", sa.String(length=255), nullable=True),
        sa.Column("is_active", sa.Boolean(), nullable=False),
        sa.Column("contact_person", sa.String(length=200), nullable=True),
        sa.Column("email", sa.String(length=255), nullable=True),
        sa.Column("phone", sa.String(length=30), nullable=True),
        sa.Column("address", sa.String(length=500), nullable=True),
        sa.Column("created_at", sa.DateTime(), nullable=False),
        sa.Column("updated_at", sa.DateTime(), nullable=False),
        sa.ForeignKeyConstraint(["company_id"], ["companies.id"], ondelete="CASCADE"),
        sa.PrimaryKeyConstraint("id"),
        sa.UniqueConstraint("company_id", "code", name="uq_brands_company_code"),
    )
    op.create_index("ix_brands_company_id", "brands", ["company_id"], unique=False)


def downgrade() -> None:
    op.drop_index("ix_brands_company_id", table_name="brands")
    op.drop_table("brands")