<?php
sfLoader::loadHelpers(array('Helper', 'stDate'));
/* Klasa bazowa modułu raportów*/

class stReport
{

/* Zwraca dane statystyczne produktu dla zadanego przedziału dat*/
    public static function getProductValue($filters, $product)
    {

        $total_netto = 0;
        $total_brutto = 0;
        $total_count = 0;

        $from_date = $filters['from_date'];
        $to_date = $filters['to_date'];

        $c = new Criteria();
        $c->addSelectColumn(OrderProductPeer::CREATED_AT);
        $inverse = stConfig::getInstance('stCurrencyPlugin')->get('inverse');
        $c->addSelectColumn(sprintf($inverse ? "SUM(%s * %s / %s)" : "SUM(%s * %s * %s)", OrderProductPeer::PRICE, OrderProductPeer::QUANTITY, OrderCurrencyPeer::EXCHANGE));
        $c->addSelectColumn(sprintf($inverse ? "SUM(%s * %s / %s)" : "SUM(%s * %s * %s)", OrderProductPeer::PRICE_BRUTTO, OrderProductPeer::QUANTITY, OrderCurrencyPeer::EXCHANGE));
        $c->addSelectColumn(sprintf("SUM(%s)", OrderProductPeer::QUANTITY));
        $c->addJoin(OrderProductPeer::ORDER_ID, OrderPeer::ID);
        $c->addJoin(OrderPeer::ORDER_CURRENCY_ID, OrderCurrencyPeer::ID);

        $c->add(OrderProductPeer::PRODUCT_ID, $product->getId());
        $criterion = $c->getNewCriterion(OrderProductPeer::CREATED_AT , $from_date, Criteria::GREATER_EQUAL  );
        $criterion->addAnd($c->getNewCriterion(OrderProductPeer::CREATED_AT , $to_date, Criteria::LESS_EQUAL ));
        $c->add($criterion);

        if (isset($filters['filter_order_status']) && "" !== $filters['filter_order_status'])
        {
            OrderPeer::addStatusFilterCriteria($c, $filters['filter_order_status']);
        }

        $display_type = stReport::chartDisplayType($from_date,$to_date);

        if ($display_type == "day" ) {
            $range = stReport::createDaysRangeArray($from_date,$to_date);
            $chart_type = "line";
            $c->addGroupByColumn(OrderProductPeer::CREATED_AT);
        }elseif($display_type == "month" ){
            $range = stReport::createMonthsRangeArray($from_date,$to_date);
            $chart_type = "bar";
            $c->addGroupByColumn(sprintf('MONTH(%s)', OrderProductPeer::CREATED_AT));
            $c->addGroupByColumn(sprintf('YEAR(%s)', OrderProductPeer::CREATED_AT));
        }

        $rs = OrderProductPeer::doSelectRS($c);

        $data = array();
        $quantities = array();

        foreach ($range['data'] as $type_select) {
            $data[$type_select] = 0;
            $quantities[$type_select] = 0;
        }

        while ($rs->next()) {
            $row = $rs->getRow();
            $time = strtotime($row[0]);
            $date = $display_type == "day" ? date('Y-m-d', $time) : date('Y-m', $time).'-01';
            $price_netto = stPrice::round($row[1]);
            $data[$date] += $price_netto;
            $quantities[$date] += $row[3];
            $total_netto += $price_netto;
            $total_brutto += stPrice::round($row[2]);
            $total_count += $row[3];
        }

        $result['set_step'] = $total_count > 0;

        $culture = sfContext::getInstance()->getUser()->getCulture();

        $chart_dates = array();

        foreach ($range["data"] as $value) {
            $chart_dates[] = $culture == 'pl_PL' ? date('d-m-Y', strtotime($value)) : date('n/j/Y', strtotime($value));
        }

        $result['chart_labels'] = json_encode($range['view']);
        $result['chart_data'] = json_encode(array_values($data));
        $result['chart_quantity'] = json_encode(array_values($quantities));
        $result['chart_dates'] = json_encode($chart_dates);

        $result['total_netto'] = $total_netto;
        $result['total_brutto'] = $total_brutto;
        $result['total_count'] = $total_count;
        $result['chart_type'] = $chart_type;
        $result['display_type'] = $display_type;
        $result['period'] = count($range['data']);

/* var_export($result['chart_dates']); */

        return $result;
    }

/* Zwraca rodzaj prezentowanego wykresu w zależności od zakresu dat */
    public static function chartDisplayType($from_date, $to_date)
    {
        $range = stReport::createDaysRangeArray($from_date,$to_date);
        if (count($range['data']) <=61 ) {
            $display_type = "day";
        } else {
            $display_type = "month";
        }

        return $display_type;
    }

/* Zwraca dane z podziałem na dni*/
    public static function createDaysRangeArray($strDateFrom, $strDateTo)
    {

        $aryRange=array();
        $aryRangeView=array();
        $aryRangeData=array();

        $iDateFrom=mktime(1,0,0,substr($strDateFrom,5,2),substr($strDateFrom,8,2),substr($strDateFrom,0,4));
        $iDateTo=mktime(1,0,0,substr($strDateTo,5,2),substr($strDateTo,8,2),substr($strDateTo,0,4));

        if ($iDateTo>=$iDateFrom) {
            array_push($aryRangeView,date('d',$iDateFrom)); // first entry
            array_push($aryRangeData,date('Y-m-d',$iDateFrom)); // first entry

            while ($iDateFrom <= $iDateTo - 86400) {
                $iDateFrom+=86400; // add 24 hours
                array_push($aryRangeView,date('d',$iDateFrom));
                array_push($aryRangeData,date('Y-m-d',$iDateFrom));
            }

        }

        $aryRange['view'] = $aryRangeView;
        $aryRange['data'] = $aryRangeData;

        return $aryRange;
    }

/* Zwraca dane z podziałem na miesiąe*/
    public static function createMonthsRangeArray($date1, $date2)
    {
        $start    = new DateTime($date1);
        $start->modify('first day of this month');
        $end      = new DateTime($date2);
        $interval = DateInterval::createFromDateString('1 month');
        $period   = new DatePeriod($start, $interval, $end);


        $aryRange=array();
        $aryRangeView=array();
        $aryRangeData=array();


        $culture = sfContext::getInstance()->getUser()->getCulture();

        foreach ($period as $dt) {

            array_push($aryRangeView, $culture == 'pl_PL' ? $dt->format("m-Y") : $dt->format("j/Y"));
            array_push($aryRangeData,$dt->format("Y-m-d"));
        }

        $aryRange['view'] = $aryRangeView;
        $aryRange['data'] = $aryRangeData;

        return $aryRange;
    }
}