"""make email case insensitive

Revision ID: 384be6596b36
Revises: 6bd9f67ec994
Create Date: 2026-06-02 07:58:00.002359

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '384be6596b36'
down_revision: Union[str, None] = '6bd9f67ec994'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index(op.f('ix_users_email'), table_name='users')
    op.create_index('ix_users_email_lower', 'users', [sa.literal_column('lower(email)')], unique=True, postgresql_where=sa.text('email IS NOT NULL'))
    # ### end Alembic commands ###


def downgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index('ix_users_email_lower', table_name='users', postgresql_where=sa.text('email IS NOT NULL'))
    op.create_index(op.f('ix_users_email'), 'users', ['email'], unique=True)
    # ### end Alembic commands ###