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<?php

namespace FluentForm\App\Modules\Payments\Migrations;

if (!defined('ABSPATH')) {
    exit; // Exit if accessed directly.
}

class OrderItems
{
    /**
     * Migrate the table.
     *
     * @return void
     */
    public static function migrate()
    {
        global $wpdb;

$charsetCollate = $wpdb->get_charset_collate();

$table = $wpdb->prefix . 'fluentform_order_items';

if ($wpdb->get_var("SHOW TABLES LIKE '$table'") != $table) {
            $sql = "CREATE TABLE $table (
				id int(11) NOT NULL AUTO_INCREMENT,
				form_id int(11) NOT NULL,
				submission_id int(11) NOT NULL,
				type varchar(255) DEFAULT 'single',
				parent_holder varchar(255),
				billing_interval varchar(255),
				item_name varchar(255),
				quantity int(11) DEFAULT 1,
				item_price BIGINT UNSIGNED,
				line_total BIGINT UNSIGNED,
				created_at timestamp NULL,
				updated_at timestamp NULL,
				PRIMARY  KEY  (id)
			  ) $charsetCollate;";
            require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
            dbDelta($sql);
        } else {
            self::maybeAlterColumns();
        }
    }

public static function maybeAlterColumns()
    {
        global $wpdb;
        $table = $wpdb->prefix . 'fluentform_order_items';
        // find the data types of each column
        $results = $wpdb->get_results("DESCRIBE $table");
        $items = [];
        foreach ($results as $result) {
            $items[$result->Field] = $result->Type;
        }

$isBigInItemPrice = strpos($items['item_price'], 'bigint') !== false;;
        $isBigInitPrice = strpos($items['line_total'], 'bigint') !== false;;

// if not big int convert to big int
        if (!$isBigInItemPrice) {
            $wpdb->query("ALTER TABLE $table MODIFY item_price BIGINT UNSIGNED");
        }

if (!$isBigInitPrice) {
            $wpdb->query("ALTER TABLE $table MODIFY line_total BIGINT UNSIGNED");
        }
    }
}