"""
Add clients table
"""

from alembic import op
import sqlalchemy as sa
from sqlalchemy import inspect

# revision identifiers, used by Alembic.
revision = "add_clients_table"
down_revision = None
branch_labels = None
depends_on = None

def upgrade():
    bind = op.get_bind()
    inspector = inspect(bind)
    if 'clients' not in inspector.get_table_names():
        op.create_table(
            'clients',
            sa.Column('id', sa.Integer, primary_key=True, autoincrement=True),
            sa.Column('name', sa.String, nullable=False),
            sa.Column('email', sa.String, nullable=False, unique=True),
            sa.Column('phone', sa.String, nullable=False),
        )

def downgrade():
    op.drop_table('clients')