<?php
/**
 * Copyright since 2007 PrestaShop SA and Contributors
 * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.md.
 * It is also available through the world-wide-web at this URL:
 * https://opensource.org/licenses/OSL-3.0
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@prestashop.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
 * versions in the future. If you wish to customize PrestaShop for your
 * needs please refer to https://devdocs.prestashop.com/ for more information.
 *
 * @author    PrestaShop SA and Contributors <contact@prestashop.com>
 * @copyright Since 2007 PrestaShop SA and Contributors
 * @license   https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
 */
function generate_tax_rules()
{
    $res = true;
    $taxes = Db::getInstance()->executeS('SELECT * from `' . _DB_PREFIX_ . 'tax` WHERE active = 1');

    // if no tax found, nothing to do, return true
    if (!is_array($taxes)) {
        return true;
    }

    foreach ($taxes as $tax) {
        $id_tax = $tax['id_tax'];
        $row = [
            'active' => 1,
            'id_tax_rules_group' => $id_tax,
            'name' => 'Rule ' . $tax['rate'] . '%',
        ];
        $res &= Db::getInstance()->insert('tax_rules_group', $row);
        $id_tax_rules_group = Db::getInstance()->Insert_ID();

        $countries = Db::getInstance()->executeS(
            '
		SELECT * FROM `' . _DB_PREFIX_ . 'country` c
		LEFT JOIN `' . _DB_PREFIX_ . 'zone` z ON (c.`id_zone` = z.`id_zone`)
		LEFT JOIN `' . _DB_PREFIX_ . 'tax_zone` tz ON (tz.`id_zone` = z.`id_zone`)
		WHERE `id_tax` = ' . (int) $id_tax
        );
        if ($countries) {
            foreach ($countries as $country) {
                $res &= Db::getInstance()->execute('INSERT INTO `' . _DB_PREFIX_ . 'tax_rule`
					(`id_tax_rules_group`, `id_country`, `id_state`, `state_behavior`, `id_tax`)
					VALUES
					(' . $id_tax_rules_group . ', ' . (int) $country['id_country'] . ', 0, 0, ' . (int) $id_tax . ')');
            }
        }

        $states = Db::getInstance()->executeS('
		SELECT * FROM `' . _DB_PREFIX_ . 'states` s
		LEFT JOIN `' . _DB_PREFIX_ . 'tax_state` ts ON (ts.`id_state` = s.`id_state`)
		WHERE `id_tax` = ' . (int) $id_tax);

        if ($states) {
            foreach ($states as $state) {
                if (!in_array($state['tax_behavior'], [PS_PRODUCT_TAX, PS_STATE_TAX, PS_BOTH_TAX])) {
                    $tax_behavior = PS_PRODUCT_TAX;
                } else {
                    $tax_behavior = $state['tax_behavior'];
                }
                $res &= Db::getInstance()->execute('
					INSERT INTO `' . _DB_PREFIX_ . 'tax_rule`
					(`id_tax_rules_group`, `id_country`, `id_state`, `state_behavior`, `id_tax`)
					VALUES (
					' . $id_tax_rules_group . ',
				 	' . (int) $state['id_country'] . ',
	 					' . (int) $state['id_state'] . ',
				 ' . (int) $tax_behavior . ',
				 ' . (int) $id_tax .
                 ')');
            }
        }

        $res &= Db::getInstance()->execute(
            '
		UPDATE `' . _DB_PREFIX_ . 'product`
		SET `id_tax_rules_group` = ' . $id_tax_rules_group . '
		WHERE `id_tax` = ' . (int) $id_tax
        );

        $res &= Db::getInstance()->execute(
            '
		UPDATE `' . _DB_PREFIX_ . 'carrier`
		SET `id_tax_rules_group` = ' . $id_tax_rules_group . '
		WHERE `id_tax` = ' . (int) $id_tax
        );

        $socolissimo_overcost_tax = Db::getInstance()->getValue('SELECT value
			FROM `' . _DB_PREFIX_ . 'configuration`
			WHERE name="SOCOLISSIMO_OVERCOST_TAX"');
        if ($socolissimo_overcost_tax == $id_tax) {
            $res &= Db::getInstance()->getValue('UPDATE `' . _DB_PREFIX_ . 'configuration`
			set value="' . $id_tax_rules_group . '" WHERE name="SOCOLISSIMO_OVERCOST_TAX"');
        }
    }

    return $res;
}