<?php

function generate_tax_rules()
{
	$taxes = Tax::getTaxes(Configuration::get('PS_LANG_DEFAULT'), true);
	$countries = Country::getCountries(Configuration::get('PS_LANG_DEFAULT'));

	foreach ($taxes AS $tax)
	{
		$insert = '';
		$id_tax = $tax['id_tax'];

		$group = new TaxRulesGroup();
		$group->active = 1;
		$group->name = 'Rule '.$tax['rate'].'%';
		$group->save();
		$id_tax_rules_group = $group->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)
			{
					 $res = Db::getInstance()->Execute('
					 INSERT INTO `'._DB_PREFIX_.'tax_rule` (`id_tax_rules_group`, `id_country`, `id_state`, `state_behavior`, `id_tax`)
					 VALUES (
					 '.(int)$group->id.',
					 '.(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'], array(PS_PRODUCT_TAX, PS_STATE_TAX, PS_BOTH_TAX)))
			        $tax_behavior = PS_PRODUCT_TAX;
			    else
			        $tax_behavior = $state['tax_behavior'];

					 $res = Db::getInstance()->Execute('
					 INSERT INTO `'._DB_PREFIX_.'tax_rule` (`id_tax_rules_group`, `id_country`, `id_state`, `state_behavior`, `id_tax`)
					 VALUES (
					 '.(int)$group->id.',
					 '.(int)$state['id_country'].',
					 '.(int)$state['id_state'].',
					 '.(int)$tax_behavior.',
					 '.(int)$id_tax.
					 ')');
			}
		}

		Db::getInstance()->Execute('
		UPDATE `'._DB_PREFIX_.'product`
		SET `id_tax_rules_group` = '.(int)$group->id.'
		WHERE `id_tax` = '.(int)$id_tax
		);

		Db::getInstance()->Execute('
		UPDATE `'._DB_PREFIX_.'carrier`
		SET `id_tax_rules_group` = '.(int)$group->id.'
		WHERE `id_tax` = '.(int)$id_tax
		);


		if (Configuration::get('SOCOLISSIMO_OVERCOST_TAX') == $id_tax)
			Configuration::updateValue('SOCOLISSIMO_OVERCOST_TAX', $group->id);
	}
}