<?php

require_once('api/Mgc.php');

class CurrencyAdmin extends Mgc {
    
    public function fetch() {
        // Обработка действий
        if($this->request->method('post')) {
            /*Формирование данных с валютами*/
            foreach($this->request->post('currency') as $n=>$va) {
                foreach($va as $i=>$v) {
                    if(empty($currencies[$i])) {
                        $currencies[$i] = new stdClass;
                    }
                    $currencies[$i]->$n = $v;
                }
            }
            $wrong_iso = array();
            $currencies_ids = array();

            /*Добавление/Удаление валюты*/
            foreach($currencies as $currency) {
                if(!preg_match('(^[a-zA-Z]{1,3}$)',$currency->code)) {
                    $wrong_iso[] = $currency->name;
                }
                if ($currency->id) {
                    $this->money->update_currency($currency->id, $currency);
                } else {
                    $currency->id = $this->money->add_currency($currency);
                }
                $currencies_ids[] = $currency->id;
            }
            if(count($wrong_iso) > 0) {
                $this->design->assign('message_error', 'wrong_iso');
                $this->design->assign('wrong_iso', $wrong_iso);
            }
            
            // Удалить непереданные валюты
            $query = $this->db->placehold('DELETE FROM __currencies WHERE id NOT IN(?@)', $currencies_ids);
            $this->db->query($query);
            
            // Пересчитать курсы
            $old_currency = $this->money->get_currency();
            $new_currency = reset($currencies);
            if($old_currency->id != $new_currency->id) {
                $coef = $new_currency->rate_from/$new_currency->rate_to;
                /*Пересчет цен по курсу валюты*/
                if($this->request->post('recalculate') == 1) {
                    $this->db->query("UPDATE __variants SET price=price*?, compare_price=compare_price*? where currency_id=0", $coef, $coef);
                    $this->db->query("UPDATE __delivery SET price=price*?, free_from=free_from*?", $coef, $coef);
                    $this->db->query("UPDATE __orders SET delivery_price=delivery_price*?", $coef);
                    $this->db->query("UPDATE __orders SET total_price=total_price*?", $coef);
                    $this->db->query("UPDATE __purchases SET price=price*?", $coef);
                    $this->db->query("UPDATE __coupons SET value=value*? WHERE type='absolute'", $coef);
                    $this->db->query("UPDATE __coupons SET min_order_price=min_order_price*?", $coef);
                    $this->db->query("UPDATE __orders SET coupon_discount=coupon_discount*?", $coef);
                }
                
                $this->db->query("UPDATE __currencies SET rate_from=1.0*rate_from*$new_currency->rate_to/$old_currency->rate_to");
                $this->db->query("UPDATE __currencies SET rate_to=1.0*rate_to*$new_currency->rate_from/$old_currency->rate_from");
                $this->db->query("UPDATE __currencies SET rate_to = rate_from WHERE id=?", $new_currency->id);
                $this->db->query("UPDATE __currencies SET rate_to = 1, rate_from = 1 WHERE (rate_to=0 OR rate_from=0) AND id=?", $new_currency->id);
            }
            
            // Отсортировать валюты
            asort($currencies_ids);
            $i = 0;
            foreach($currencies_ids as $currency_id) {
                $this->money->update_currency($currencies_ids[$i], array('position'=>$currency_id));
                $i++;
            }
            
            // Действия с выбранными
            $action = $this->request->post('action');
            $id = $this->request->post('action_id');
            
            if(!empty($action) && !empty($id)) {
                switch($action) {
                    case 'disable': {
                        /*Выключить валюту*/
                        $this->money->update_currency($id, array('enabled'=>0));
                        break;
                    }
                    case 'enable': {
                        /*Включить валюту*/
                        $this->money->update_currency($id, array('enabled'=>1));
                        break;
                    }
                    case 'show_cents': {
                        /*Показывать копейки*/
                        $this->money->update_currency($id, array('cents'=>2));
                        break;
                    }
                    case 'hide_cents': {
                        /*Не показывать копейки*/
                        $this->money->update_currency($id, array('cents'=>0));
                        break;
                    }
                    case 'delete': {
                        /*Удалить валюту*/
                        $this->money->delete_currency($id);
                        break;
                    }
                }
            }
        }
        
        // Отображение
        $currencies = $this->money->get_currencies();
        $currency = $this->money->get_currency();
        $this->design->assign('currency', $currency);
        $this->design->assign('currencies', $currencies);
        return $this->design->fetch('currency.tpl');
    }
    
}