"""create products table

Revision ID: b2c3d4e5f6g7
Revises: 
Create Date: 2023-12-20 10:00:00.000000
"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.sql import func
import uuid

# revision identifiers
revision = 'b2c3d4e5f6g7'
down_revision = None
branch_labels = None
depends_on = None

def upgrade():
    op.create_table(
        'products',
        sa.Column('id', sa.String(), primary_key=True, default=lambda: str(uuid.uuid4())),
        sa.Column('name', sa.String(), nullable=False),
        sa.Column('description', sa.String(), nullable=True),
        sa.Column('price', sa.Float(), nullable=False),
        sa.Column('stock', sa.Integer(), nullable=False, server_default='0'),
        sa.Column('sku', sa.String(), nullable=False),
        sa.Column('is_active', sa.Boolean(), server_default='true'),
        sa.Column('created_at', sa.DateTime(), server_default=func.now()),
        sa.Column('updated_at', sa.DateTime(), server_default=func.now(), onupdate=func.now()),
        sa.PrimaryKeyConstraint('id')
    )
    
    op.create_index('ix_products_name', 'products', ['name'])
    op.create_index('ix_products_sku', 'products', ['sku'], unique=True)

def downgrade():
    op.drop_index('ix_products_sku', 'products')
    op.drop_index('ix_products_name', 'products')
    op.drop_table('products')