"""Type de paiement à montant libre

Revision ID: 0021_payment_option_free_amount
Revises: 0020_mecenat_receipt_number
Create Date: 2026-10-03

`form_payment_option.free_amount` : le bénévole saisit lui-même son montant
sur le formulaire public, `amount` en devient le minimum — voir
`app/api/forms.py:_free_amount`. Les types de paiement existants restent à
montant fixe.
"""

from collections.abc import Sequence

import sqlalchemy as sa
from alembic import op

revision: str = "0021_payment_option_free_amount"
down_revision: str | None = "0020_mecenat_receipt_number"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    op.add_column(
        "form_payment_option",
        sa.Column("free_amount", sa.Boolean(), nullable=False, server_default="false"),
    )


def downgrade() -> None:
    op.drop_column("form_payment_option", "free_amount")