"""Invite codes, for a site that is not open to register

Revision ID: d4e5f6a7b8c9
Revises: c3d4e5f6a7b8
"""
import sqlalchemy as sa
from alembic import op

revision = "d4e5f6a7b8c9"
down_revision = "c3d4e5f6a7b8"
branch_labels = None
depends_on = None


def upgrade() -> None:
    if "invite_codes" in sa.inspect(op.get_bind()).get_table_names():
        return
    op.create_table(
        "invite_codes",
        sa.Column("id", sa.Integer(), primary_key=True, index=True),
        sa.Column("code", sa.String(length=32), nullable=False, unique=True),
        sa.Column("note", sa.String(length=200), nullable=True),
        sa.Column("created_by", sa.Integer(), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True),
        sa.Column("created_at", sa.DateTime(), server_default=sa.func.now()),
        sa.Column("used_by", sa.Integer(), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True),
        sa.Column("used_at", sa.DateTime(), nullable=True),
        sa.Column("revoked_at", sa.DateTime(), nullable=True),
    )
    op.create_index("ix_invite_codes_code", "invite_codes", ["code"], unique=True)


def downgrade() -> None:
    if "invite_codes" in sa.inspect(op.get_bind()).get_table_names():
        op.drop_table("invite_codes")