<?php

add_filter( 'sliced_email_attachment', 'willy_attach_plaquette', PHP_INT_MAX, 3 );
function willy_attach_plaquette( $attachment, $id, $type ) {
    if ( 'invoice_available' === $type ) {
        $business_opt = get_option( 'sliced_business' );
        if ( ! empty( $business_opt['iban_id'] ) ) {
            $attachment[] = get_attached_file( $business_opt['iban_id'] );
        }
    }
    if ( 'quote_available' === $type ) {
        //
    }
    return $attachment;
}

add_action( 'plugins_loaded', 'will_attach_iban', PHP_INT_MAX );
function will_attach_iban() {
    if ( function_exists( 'sliced_get_currency_symbol' ) ) {
        add_filter( 'sliced_business_option_fields', 'willy_iban_field' );
    }
}

function willy_iban_field( $options ) {
    $options['fields'][] = array(
        'name'      => 'Iban',
        'desc'      => 'Document détaillant les coordonnées bancaires, à joindre automatiquement aux factures.',
        'id'        => 'iban',
        'type'      => 'file',
        'options' => array(
            'url' => false,
        ),
        'text'    => array(
            'add_upload_file_text' => 'Sélectionner l’IBAN',
        ),
        'query_args' => array(
            'type' => 'application/pdf',
        ),
    );
    return $options;
}