"""remove user global role

Revision ID: 20260529_01
Revises: 20260528_01
Create Date: 2026-05-29 10:15:00.000000

"""

from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


revision: str = "20260529_01"
down_revision: Union[str, None] = "20260528_01"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    conn = op.get_bind()
    inspector = sa.inspect(conn)
    columns = {column["name"] for column in inspector.get_columns("users")}

    if "is_admin" not in columns:
        op.add_column("users", sa.Column("is_admin", sa.Boolean(), nullable=False, server_default=sa.false()))

    if "role" in columns:
        op.execute("UPDATE users SET is_admin = true WHERE role::text = 'ADMIN'")
        op.drop_column("users", "role")

    op.execute("DROP TYPE IF EXISTS user_role")


def downgrade() -> None:
    op.execute("CREATE TYPE user_role AS ENUM ('ADMIN', 'PM', 'CRA', 'PV', 'QA', 'CTA')")
    op.add_column(
        "users",
        sa.Column("role", sa.Enum("ADMIN", "PM", "CRA", "PV", "QA", "CTA", name="user_role"), nullable=True),
    )
    op.execute("UPDATE users SET role = CASE WHEN is_admin THEN 'ADMIN'::user_role ELSE 'PV'::user_role END")
    op.alter_column("users", "role", nullable=False)
    op.drop_column("users", "is_admin")