-- +goose Up
ALTER TABLE teams
    ADD COLUMN participation_status TEXT NOT NULL DEFAULT 'pending' CHECK (participation_status IN ('pending', 'confirmed', 'cancelled')),
    ADD COLUMN participation_source TEXT NOT NULL DEFAULT '',
    ADD COLUMN participation_answered_at TIMESTAMPTZ,
    ADD COLUMN participation_token_hash BYTEA,
    ADD COLUMN participation_sent_at TIMESTAMPTZ,
    ADD COLUMN participation_attempts INTEGER NOT NULL DEFAULT 0,
    ADD COLUMN participation_next_attempt_at TIMESTAMPTZ,
    ADD COLUMN participation_email_error TEXT NOT NULL DEFAULT '';
CREATE UNIQUE INDEX teams_participation_token ON teams (participation_token_hash);

-- +goose Down
DROP INDEX teams_participation_token;
ALTER TABLE teams
    DROP COLUMN participation_status,
    DROP COLUMN participation_source,
    DROP COLUMN participation_answered_at,
    DROP COLUMN participation_token_hash,
    DROP COLUMN participation_sent_at,
    DROP COLUMN participation_attempts,
    DROP COLUMN participation_next_attempt_at,
    DROP COLUMN participation_email_error;