"""make email case insensitive

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

"""

from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op

# 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 ###