"""add league public key

Revision ID: 0002_league_public_key
Revises: 0001_public_foundation
Create Date: 2026-06-23
"""
from __future__ import annotations

from alembic import op
import sqlalchemy as sa


revision = "0002_league_public_key"
down_revision = "0001_public_foundation"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.add_column("leagues", sa.Column("public_key", sa.String(length=12), nullable=True))
    op.execute("UPDATE leagues SET public_key = substr(replace(id, '-', ''), 1, 12) WHERE public_key IS NULL")

    with op.batch_alter_table("leagues") as batch_op:
        batch_op.alter_column("public_key", existing_type=sa.String(length=12), nullable=False)
        batch_op.create_index("ix_leagues_public_key", ["public_key"], unique=True)


def downgrade() -> None:
    with op.batch_alter_table("leagues") as batch_op:
        batch_op.drop_index("ix_leagues_public_key")
        batch_op.drop_column("public_key")