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//! Model for InvoiceAutomaticPaymentSource enum.

use serde::{Deserialize, Serialize};

/// Indicates the automatic payment method for an invoice payment request.
#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
#[serde(rename_all = "SCREAMING_SNAKE_CASE")]
pub enum InvoiceAutomaticPaymentSource {
    /// An automatic payment is not configured for the payment request.
    None,
    /// Use a card on file as the automatic payment method. On the due date, Square charges the card
    /// for the amount of the payment request.
    ///
    /// For `CARD_ON_FILE` payments, the invoice delivery method must be `EMAIL` and `card_id` must
    /// be specified for the payment request before the invoice can be published.
    CardOnFile,
    /// Use a bank account on file as the automatic payment method. On the due date, Square charges
    /// the bank account for the amount of the payment request.
    ///
    /// This payment method applies only to recurring invoices that sellers create in the Seller
    /// Dashboard or other Square first-party applications. The bank account is provided by the
    /// customer during the payment flow.
    ///
    /// You cannot set `BANK_ON_FILE` as a payment method using the Invoices API, but you can change
    /// a `BANK_ON_FILE` payment method to `NONE` or `CARD_ON_FILE`. For `BANK_ON_FILE` payments,
    /// the invoice delivery method must be `EMAIL`.
    BankOnFile,
}