package db

func (d *DB) ListRulesForMailbox(mailboxID int64) ([]MailboxFilterRule, error) {
	rows, err := d.Query(`SELECT id, mailbox_id, priority, condition_field, condition_op, condition_value, action, action_value, is_active, created_at
		FROM esrv_mailbox_filter_rules WHERE mailbox_id = ? ORDER BY priority ASC, id ASC`, mailboxID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var out []MailboxFilterRule
	for rows.Next() {
		var r MailboxFilterRule
		var createdAt string
		if err := rows.Scan(&r.ID, &r.MailboxID, &r.Priority, &r.ConditionField, &r.ConditionOp, &r.ConditionValue, &r.Action, &r.ActionValue, &r.IsActive, &createdAt); err != nil {
			return nil, err
		}
		r.CreatedAt, _ = parseTime(createdAt)
		out = append(out, r)
	}
	return out, rows.Err()
}

func (d *DB) CreateRule(mailboxID int64, priority int, field, op, value, action, actionValue string) (int64, error) {
	res, err := d.Exec(`INSERT INTO esrv_mailbox_filter_rules (mailbox_id, priority, condition_field, condition_op, condition_value, action, action_value)
		VALUES (?, ?, ?, ?, ?, ?, ?)`, mailboxID, priority, field, op, value, action, actionValue)
	if err != nil {
		return 0, err
	}
	return res.LastInsertId()
}

// RemoveRule deletes a rule, scoped to mailboxID (mirrors RemoveAppPassword/RemoveAlias).
func (d *DB) RemoveRule(id, mailboxID int64) error {
	_, err := d.Exec(`DELETE FROM esrv_mailbox_filter_rules WHERE id = ? AND mailbox_id = ?`, id, mailboxID)
	return err
}