<?php
// Standard WP check if direct
defined( 'ABSPATH' ) || exit;

// Check for each payment gateway and see if any were disabled fron the last page load
function inspry_toolkit_check_disabled_payment_gateways() {
    // Get all payment gateways
    $gateways = WC_Payment_Gateways::instance()->payment_gateways();

    // Loop through each gateway
    foreach ( $gateways as $gateway_id => $gateway ) {
        // Get the option key for the gateway settings
        $option_key = "woocommerce_{$gateway_id}_settings";

        // Set up an action to check if the gateway was disabled
        add_action( "update_option_{$option_key}", function( $old_value, $new_value ) use ( $gateway ) {
            // Check if the 'enabled' setting changed from 'yes' to 'no'
            $old_enabled = $old_value[ 'enabled' ] ?? 'no';
            $new_enabled = $new_value[ 'enabled' ] ?? 'no';

            // If it was disabled, send notification
            if ( $old_enabled === 'yes' && $new_enabled !== 'yes' ) {
                // Get the payment gateway's name
                $gateway_name = $gateway->get_method_title();

                // Get the user who disabled the gateway
                $current_user = wp_get_current_user();
                $user_email   = $current_user->user_email;
                $user_name    = $current_user->display_name;

                // Get the list of selected users
                $users_ids = get_option( 'inspry_toolkit_payments_test_mode_check_admin_notifications_list' );

                // Loop through users to get emails
                $to = [];
                if ( ! empty( $users_ids ) ) {
                    foreach ( $users_ids as $user_id ) {
                        $user_info = get_userdata( $user_id );
                        if ( $user_info && ! empty( $user_info->user_email ) ) {
                            $to[] = $user_info->user_email;
                        }
                    }
                } else {
                    // Fallback to admin email if no users are selected
                    $to[] = get_option( 'admin_email' );
                }

                // Set up and send the email
                $subject = '⚠️ WooCommerce Gateway Disabled';
                $body = "Attention:\n\nThe " . $gateway_name .  " payment gateway has been disabled on your site (" . home_url() . ") by " . $user_name . " <" . $user_email . ">.\n";
                $body .= "Please log in to ensure this is intentional.";

                wp_mail( $to, $subject, $body );
            }
        }, 10, 2 );
    }
}

// Only run in admin if WooCommerce is active
if ( is_admin() && is_plugin_active( 'woocommerce/woocommerce.php' ) ) {
    add_action( 'init', 'inspry_toolkit_check_disabled_payment_gateways' );
}